类别:程序开发

日期:2020-01-24 浏览:2575 评论:0

完整代码:

202001291580304645134191.png

using System;
using System.Collections.Specialized;
using System.IO;using System.Net;
using System.Text;
using System.Text.RegularExpressions;
using System.Collections.Generic;using System.Configuration;
using System.Data;
using System.Data.SqlClient;
using System.Security.Cryptography.X509Certificates;
using System.Net.Security;
using System.Reflection;
using System.ComponentModel;
namespace DBUtility
{   public class DButility
    {        private static Random ran = new Random();        
             private static readonly int TIMEOUT = 5000;        
             #region DBNull类型转换        
             public static long ToInt64(object value)
        {            return (Convert.IsDBNull(value)) ? 0 : Convert.ToInt64(value);
        }        public static int ToInt32(object value)
        {            return (Convert.IsDBNull(value)) ? 0 : Convert.ToInt32(value);
        }        public static short ToInt16(object value)
        {            return (Convert.IsDBNull(value)) ? (short)0 : Convert.ToInt16(value);
        }        public static string ToString(object value)
        {            return value.ToString();
        }        public static decimal ToDecimal(object value)
        {            return (Convert.IsDBNull(value)) ? 0 : Convert.ToDecimal(value);
        }        public static DateTime ToDateTime(object value)
        {            return (Convert.IsDBNull(value)) ? DateTime.MinValue : Convert.ToDateTime(value);
        }        #endregion

        #region AES 加密/解密        /// <summary>
        ///  AES 加密        /// </summary>
        /// <param name="str">明文(待加密)</param>
        /// <param name="key">密文</param>
        /// <returns></returns>
        public static string AesEncryptToHex(string str, string key)
        {            if (string.IsNullOrEmpty(str)) return null;
            Byte[] toEncryptArray = Encoding.UTF8.GetBytes(str);   //命名空间: using System.Text;
            System.Security.Cryptography.RijndaelManaged rm = new System.Security.Cryptography.RijndaelManaged
            {
                Key = Encoding.UTF8.GetBytes(key),
                Mode = System.Security.Cryptography.CipherMode.ECB,
                Padding = System.Security.Cryptography.PaddingMode.PKCS7
            };

            System.Security.Cryptography.ICryptoTransform cTransform = rm.CreateEncryptor();
            Byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);            var hex = BitConverter.ToString(resultArray, 0).Replace("-", string.Empty).ToLower();            return hex;
        }        /// <summary>
        ///  AES 解密        /// </summary>
        /// <param name="str">明文(待解密)</param>
        /// <param name="key">密文</param>
        /// <returns></returns>
        public static string AesDecryptFromHex(string str, string key)
        {            if (string.IsNullOrEmpty(str)) return null;            var toEncryptArray = new byte[str.Length / 2];            for (var x = 0; x < toEncryptArray.Length; x++)
            {                var i = Convert.ToInt32(str.Substring(x * 2, 2), 16);
                toEncryptArray[x] = (byte)i;
            }            //Byte[] toEncryptArray = Convert.FromBase64String(str);
            System.Security.Cryptography.RijndaelManaged rm = new System.Security.Cryptography.RijndaelManaged
            {
                Key = Encoding.UTF8.GetBytes(key),
                Mode = System.Security.Cryptography.CipherMode.ECB,
                Padding = System.Security.Cryptography.PaddingMode.PKCS7
            };

            System.Security.Cryptography.ICryptoTransform cTransform = rm.CreateDecryptor();
            Byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);            return Encoding.UTF8.GetString(resultArray);
        }        #endregion

        #region 获取时间戳,取随机数        /// <summary>
        /// 获取时间戳        /// </summary>
        /// <returns></returns>
        public static long GetTimeStamp()
        {
            TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);            return Convert.ToInt64(ts.TotalSeconds);
        }        /// <summary>
        /// 取随机数        /// </summary>
        /// <param name="min"></param>
        /// <param name="max"></param>
        /// <returns></returns>
        public static int GetRandom(int min, int max)
        {            return ran.Next(min, max);
        }        /// <summary>
        /// 获取当前本地时间戳        /// </summary>
        /// <returns></returns>
        public static long GetCurrentTimeUnix()
        {
            TimeSpan cha = (DateTime.Now - TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1)));            long t = (long)cha.TotalSeconds;            return t;
        }        /// <summary>
        /// 时间戳转换为本地时间对象        /// </summary>
        /// <returns></returns>
        public static DateTime GetUnixDateTime(long unix)
        {            //long unix = 1500863191;
            DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));
            DateTime newTime = dtStart.AddSeconds(unix);            return newTime;
        }        /// <summary>
        /// Unicode转字符串        /// </summary>
        /// <param name="source">经过Unicode编码的字符串</param>
        /// <returns>正常字符串</returns>
        public static string UnicodeToString(string source)
        {            return new Regex(@"\\u([0-9A-F]{4})", RegexOptions.IgnoreCase | RegexOptions.Compiled).Replace(
                         source, x => string.Empty + Convert.ToChar(Convert.ToUInt16(x.Result("$1"), 16)));
        }        /// <summary>
        /// Stream流转化为字符串        /// </summary>
        /// <returns></returns>
        public static string StreamToString(Stream stream)
        {            if (stream == null || stream.Length == 0)
            {                return string.Empty;
            }
            StreamReader sr = new StreamReader(stream);            return sr.ReadToEnd();
        }        /// <summary>
        /// RequestForm转换成String, key=value格式        /// </summary>
        /// <returns></returns>
        public static string RequestFormToString(NameValueCollection form)
        {            if (form == null)
            {                return null;
            }            string strTemp = string.Empty;

            String[] requestItem = form.AllKeys;            for (int i = 0; i < requestItem.Length; i++)
            {
                strTemp += requestItem[i] + "=" + form[requestItem[i]] + "&";
            }

            strTemp = strTemp.TrimEnd('&');            return strTemp;
        }        #endregion

        #region HttpUtils        public static string HttpPost(string Url, string mobiles, string content)
        {            string postData = string.Format("mobiles={0}&content={1}", mobiles, content);

            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);
            System.Net.ServicePointManager.DefaultConnectionLimit = 200;
            request.Method = "POST";
            request.KeepAlive = false;
            request.ContentType = "application/x-www-form-urlencoded";
            request.ContentLength = Encoding.UTF8.GetByteCount(postData);
            Stream myRequestStream = request.GetRequestStream();
            StreamWriter myStreamWriter = new StreamWriter(myRequestStream, Encoding.GetEncoding("gb2312"));
            myStreamWriter.Write(postData, 0, postData.Length);
            myStreamWriter.Close();
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();

            Stream myResponseStream = response.GetResponseStream();
            StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));            string retString = myStreamReader.ReadToEnd();
            myStreamReader.Close();

            myResponseStream.Close();

            response = null;
            request = null;            return retString;
        }        /// <summary>  
        /// 指定Post地址使用Get 方式获取全部字符串  
        /// </summary>  
        /// <param name="url">请求后台地址</param>  
        /// <returns></returns>  
        public static string Post(string url, Dictionary<string, string> dic)
        {            string result = "";
            HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);            string mobiles = dic["mobiles"];            string content = dic["content"];
            req.Method = "POST";
            req.ContentType = "application/x-www-form-urlencoded";            #region 添加Post 参数
            StringBuilder builder = new StringBuilder();            int i = 0;            foreach (var item in dic)
            {                if (i > 0)
                    builder.Append("&");
                builder.AppendFormat("{0}={1}", item.Key, item.Value);
                i++;
            }            byte[] data = Encoding.UTF8.GetBytes(builder.ToString());
            req.ContentLength = data.Length;            using (Stream reqStream = req.GetRequestStream())
            {
                reqStream.Write(data, 0, data.Length);
                reqStream.Close();
            }            #endregion
            HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
            Stream stream = resp.GetResponseStream();            //获取响应内容  
            using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))
            {
                result = reader.ReadToEnd();
            }            return result;
        }        /// <summary>  
        /// 指定地址使用Get 方式获取全部字符串  
        /// </summary>  
        /// <param name="url">请求后台地址</param>  
        /// <returns></returns>  
        public static string Get(string url, Dictionary<string, string> dic)
        {            string result = "";
            HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);            string uname = dic["username"];            string pwd = dic["password"];
            req.Method = "GET";
            req.ContentType = "application/x-www-form-urlencoded";
            HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
            Stream stream = resp.GetResponseStream();            //获取响应内容  
            using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))
            {
                result = reader.ReadToEnd();
            }            return result;
        }        public static string PostSend(string url, string param)
        {            return PostSend(url, "UTF-8", param);
        }        public static string PostSend(string url, string encoding, string param, string contentType = "application/x-www-form-urlencoded")
        {            try
            {                byte[] postData = Encoding.UTF8.GetBytes(param);

                HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
                Encoding myEncoding = Encoding.UTF8;
                request.Method = "POST";
                request.KeepAlive = false;
                request.AllowAutoRedirect = true;
                request.ContentType = contentType;
                request.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR  3.0.04506.648; .NET CLR 3.5.21022; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)";
                request.ContentLength = postData.Length;
                request.Timeout = TIMEOUT;

                System.IO.Stream outputStream = request.GetRequestStream();
                outputStream.Write(postData, 0, postData.Length);
                outputStream.Close();

                HttpWebResponse response = request.GetResponse() as HttpWebResponse;

                Stream responseStream = response.GetResponseStream();

                StreamReader reader = new System.IO.StreamReader(responseStream, Encoding.GetEncoding("UTF-8"));                string retVal = reader.ReadToEnd();

                reader.Close();                return retVal;
            }            catch (Exception ex)
            {
                LogHelper.Error("PostSend [url:]" + url + " [params:]" + param + " [error:]" + ex.Message);                return ex.Message;
            }
        }        public static string PostSendWithCert(string url, string param)
        {            return PostSendWithCert(url, "UTF-8", param);
        }        public static string PostSendWithCert(string url, string encoding, string param, string contentType = "application/x-www-form-urlencoded")
        {            try
            {                string cert = System.Configuration.ConfigurationManager.AppSettings["CertPath"];                string password = System.Configuration.ConfigurationManager.AppSettings["xcxMchId"];
                ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);
                X509Certificate2 cer = new X509Certificate2(cert, password, X509KeyStorageFlags.PersistKeySet | X509KeyStorageFlags.MachineKeySet);                byte[] postData = Encoding.UTF8.GetBytes(param);

                HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
                Encoding myEncoding = Encoding.UTF8;
                request.ClientCertificates.Add(cer);
                request.Method = "POST";
                request.KeepAlive = false;
                request.AllowAutoRedirect = true;
                request.ContentType = contentType;
                request.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR  3.0.04506.648; .NET CLR 3.5.21022; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)";
                request.ContentLength = postData.Length;
                request.Timeout = TIMEOUT;

                System.IO.Stream outputStream = request.GetRequestStream();
                outputStream.Write(postData, 0, postData.Length);
                outputStream.Close();

                HttpWebResponse response = request.GetResponse() as HttpWebResponse;

                Stream responseStream = response.GetResponseStream();

                StreamReader reader = new System.IO.StreamReader(responseStream, Encoding.GetEncoding("UTF-8"));                string retVal = reader.ReadToEnd();

                reader.Close();                return retVal;
            }            catch (Exception ex)
            {
                LogHelper.Error("PostSend [url:]" + url + " [params:]" + param + " [error:]" + ex.Message);                return ex.Message;
            }
        }        /// <summary>
        /// 发请求获取图片到本地路径        /// </summary>
        /// <param name="url"></param>
        /// <param name="param"></param>
        /// <param name="pathName"></param>
        /// <param name="contentType"></param>
        public static void PostSaveToFile(string url, string param, string pathName, string contentType = "application/x-www-form-urlencoded")
        {            try
            {                byte[] postData = Encoding.UTF8.GetBytes(param);

                HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
                Encoding myEncoding = Encoding.UTF8;
                request.Method = "POST";
                request.KeepAlive = false;
                request.AllowAutoRedirect = true;
                request.ContentType = contentType;
                request.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR  3.0.04506.648; .NET CLR 3.5.21022; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)";
                request.ContentLength = postData.Length;
                request.Timeout = TIMEOUT;

                System.IO.Stream outputStream = request.GetRequestStream();
                outputStream.Write(postData, 0, postData.Length);
                outputStream.Close();

                HttpWebResponse response = request.GetResponse() as HttpWebResponse;

                Stream responseStream = response.GetResponseStream();

                System.Drawing.Image.FromStream(responseStream).Save(pathName);
            }            catch (Exception ex)
            {
                LogHelper.Error("PostSend [url:]" + url + " [params:]" + param + " [error:]" + ex.Message);
            }
        }        public static string HttpGet(string Url, string postDataStr = "")
        {            try
            {
                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url + (postDataStr == "" ? "" : "?") + postDataStr);                // https
                if (Url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
                {
                    ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);
                    request.ProtocolVersion = HttpVersion.Version10;
                }

                request.Method = "GET";
                request.ContentType = "text/html;charset=UTF-8";
                request.Timeout = 3000;

                HttpWebResponse response = (HttpWebResponse)request.GetResponse();
                Stream myResponseStream = response.GetResponseStream();
                StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));                string retString = myStreamReader.ReadToEnd();
                myStreamReader.Close();
                myResponseStream.Close();                return retString;
            }            catch (Exception e)
            {
                Console.WriteLine(e.Message);                return null;
            }
        }        private static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors)
        {            return true; //总是接受          }        #endregion

        #region MD5加密        /// <summary>
        /// 
        /// </summary>
        /// <param name="sDataIn"></param>
        /// <param name="move">给空即可</param>
        /// <returns></returns>
        public static string GetMD532(string sDataIn, string move)
        {
            System.Security.Cryptography.MD5CryptoServiceProvider md5 = new System.Security.Cryptography.MD5CryptoServiceProvider();            byte[] bytValue, bytHash;
            bytValue = System.Text.Encoding.UTF8.GetBytes(move + sDataIn);
            bytHash = md5.ComputeHash(bytValue);
            md5.Clear();            string sTemp = "";            for (int i = 0; i < bytHash.Length; i++)
            {
                sTemp += bytHash[i].ToString("x").PadLeft(2, '0');
            }            return sTemp;
        }        public static string GetMD516(string ConvertString)
        {
            System.Security.Cryptography.MD5CryptoServiceProvider md5 = new System.Security.Cryptography.MD5CryptoServiceProvider();            string t2 = BitConverter.ToString(md5.ComputeHash(UTF8Encoding.Default.GetBytes(ConvertString)), 4, 8);
            t2 = t2.Replace("-", "");

            t2 = t2.ToLower();            return t2;
        }        #endregion
    }    #region log4net 日志类    public class LogHelper
    {        //在 <configuration></configuration>里面添加下面配置        //      <configSections>        //  <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net"/>        //</configSections>        //        <log4net>        //  <logger name="logerror">        //    <level value="ERROR"/>        //    <appender-ref ref="ErrorAppender"/>        //  </logger>        //  <logger name="loginfo">        //    <level value="INFO"/>        //    <appender-ref ref="InfoAppender"/>        //  </logger>        //  <appender name="ErrorAppender" type="log4net.Appender.RollingFileAppender">        //    <param name="File" value="Log\Error\"/>        //    <param name="AppendToFile" value="true"/>        //    <param name="CountDirection" value="-1"/>        //    <param name="MaxSizeRollBackups" value="15"/>        //    <param name="MaximumFileSize" value="5MB"/>        //    <param name="lockingModel" type="log4net.Appender.FileAppender+MinimalLock"/>        //    <rollingStyle value="Date"/>        //    <datePattern value="yyyyMMdd'.txt'"/>        //    <staticLogFileName value="false"/>        //    <layout type="log4net.Layout.PatternLayout">        //      <conversionPattern value="%d [%t]%c %m%n"/>        //    </layout>        //  </appender>        //  <appender name="InfoAppender" type="log4net.Appender.RollingFileAppender">        //    <param name="File" value="Log\Info\"/>        //    <param name="AppendToFile" value="true"/>        //    <param name="CountDirection" value="-1"/>        //    <param name="MaxSizeRollBackups" value="15"/>        //    <param name="MaximumFileSize" value="5MB"/>        //    <param name="lockingModel" type="log4net.Appender.FileAppender+MinimalLock"/>        //    <rollingStyle value="Date"/>        //    <datePattern value="yyyyMMdd'.txt'"/>        //    <staticLogFileName value="false"/>        //    <layout type="log4net.Layout.PatternLayout">        //      <conversionPattern value="%d [%t]%c %m%n"/>        //    </layout>        //  </appender>        //</log4net>


        private static readonly log4net.ILog ILogInfo = log4net.LogManager.GetLogger("loginfo");  //添加log4net 引用

        public static readonly log4net.ILog ILogError = log4net.LogManager.GetLogger("logerror");        public static void Info(string msg)
        {
            ILogInfo.Info(msg);
        }        public static void Error(string msg)
        {
            ILogError.Error(msg);
        }        /// <summary>
        /// 废弃 改用FileNameError        /// </summary>
        /// <param name="type"></param>
        /// <param name="msg"></param>
        public static void TypeError(string type, string msg)
        {            // eg: type=Order, msg=数据库更新失败, OrderId:111222333            //     msg:[Order] 数据库更新失败, OrderId:111222333
            ILogError.Error("[" + type + "] " + msg);
        }        public static void FileNameInfo(string fileName, string msg)
        {
            ILogInfo.Info(fileName + " " + msg);
        }        public static void FileNameError(string fileName, string msg)
        {
            ILogError.Error(fileName + " " + msg);
        }
    }    #endregion

    #region DataTable,DataSet,list集合 互转    public class ModelHandler<T> where T : new()
    {        #region DataSet=>List        /// <summary>
        /// 填充对象列表:用DataSet的第一个表填充实体类        /// </summary>
        /// <param name="ds">DataSet</param>
        /// <returns></returns>
        public List<T> FillModelByDataSet(DataSet ds)
        {            if (ds == null || ds.Tables[0] == null || ds.Tables[0].Rows.Count == 0)
            {                return null;
            }            else
            {                return FillModelByDataTable(ds.Tables[0]);
            }
        }        #endregion

        #region DataTable=>List        #region

        /// <summary>
        /// 类型枚举        /// </summary>
        private enum ModelType
        {            //值类型            Struct,

            Enum,            //引用类型            String,

            Object,
            Else
        }        private static ModelType GetModelType(Type modelType)
        {            //值类型
            if (modelType.IsEnum)
            {                return ModelType.Enum;
            }            //值类型
            if (modelType.IsValueType)
            {                return ModelType.Struct;
            }            //引用类型 特殊类型处理
            if (modelType == typeof(string))
            {                return ModelType.String;
            }            //引用类型 特殊类型处理
            return modelType == typeof(object) ? ModelType.Object : ModelType.Else;
        }        #endregion

        /// <summary>  
        /// 填充对象列表:用DataTable填充实体类        /// </summary>  
        public List<T> FillModelByDataTable(DataTable dt)
        {            if (dt == null || dt.Rows.Count == 0)
            {                return null;
            }
            List<T> modelList = new List<T>();            foreach (DataRow dr in dt.Rows)
            {                //T model = (T)Activator.CreateInstance(typeof(T));  
                T model = new T();                for (int i = 0; i < dr.Table.Columns.Count; i++)
                {
                    PropertyInfo propertyInfo = model.GetType().GetProperty(dr.Table.Columns[i].ColumnName);                    if (propertyInfo != null && dr[i] != DBNull.Value)
                        propertyInfo.SetValue(model, dr[i], null);
                }

                modelList.Add(model);
            }            return modelList;
        }        /// <summary>
        /// datatable转换为List<T>集合        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="table"></param>
        /// <returns></returns>
        public static List<T> DataTableToList<T>(DataTable table)
        {            var list = new List<T>();            foreach (DataRow item in table.Rows)
            {
                list.Add(DataRowToModel<T>(item));
            }            return list;
        }        #endregion




        #region DataRow=>Model        /// <summary>  
        /// 填充对象:用DataRow填充实体类        /// </summary>  
        public T FillModelByDataRow(DataRow dr)
        {            if (dr == null)
            {                return default(T);
            }            //T model = (T)Activator.CreateInstance(typeof(T));  
            T model = new T();            for (int i = 0; i < dr.Table.Columns.Count; i++)
            {
                PropertyInfo propertyInfo = model.GetType().GetProperty(dr.Table.Columns[i].ColumnName);                if (propertyInfo != null && dr[i] != DBNull.Value)
                    propertyInfo.SetValue(model, dr[i], null);
            }            return model;
        }        public static T DataRowToModel<T>(DataRow row)
        {
            T model;            var type = typeof(T);            var modelType = GetModelType(type);            switch (modelType)
            {                //值类型
                case ModelType.Struct:
                    {
                        model = default(T);                        if (row[0] != null)
                            model = (T)row[0];
                    }                    break;                //值类型
                case ModelType.Enum:
                    {
                        model = default(T);                        if (row[0] != null)
                        {                            var fiType = row[0].GetType();                            if (fiType == typeof(int))
                            {
                                model = (T)row[0];
                            }                            else if (fiType == typeof(string))
                            {
                                model = (T)Enum.Parse(typeof(T), row[0].ToString());
                            }
                        }
                    }                    break;                //引用类型 c#对string也当做值类型处理
                case ModelType.String:
                    {
                        model = default(T);                        if (row[0] != null)
                            model = (T)row[0];
                    }                    break;                //引用类型 直接返回第一行第一列的值
                case ModelType.Object:
                    {
                        model = default(T);                        if (row[0] != null)
                            model = (T)row[0];
                    }                    break;                //引用类型
                case ModelType.Else:
                    {                        //引用类型 必须对泛型实例化
                        model = Activator.CreateInstance<T>();                        //获取model中的属性
                        var modelPropertyInfos = type.GetProperties();                        //遍历model每一个属性并赋值DataRow对应的列
                        foreach (var pi in modelPropertyInfos)
                        {                            //获取属性名称
                            var name = pi.Name;                            if (!row.Table.Columns.Contains(name) || row[name] == null || row[name] == DBNull.Value) continue;                            var piType = GetModelType(pi.PropertyType);                            switch (piType)
                            {                                case ModelType.Struct:
                                    {                                        object value;                                        if (!pi.PropertyType.Name.ToLower().Contains("nullable"))
                                            value = Convert.ChangeType(row[name], pi.PropertyType);                                        else
                                            value = new NullableConverter(pi.PropertyType).ConvertFromString(row[name].ToString());
                                        pi.SetValue(model, value, null);
                                    }                                    break;                                case ModelType.Enum:
                                    {                                        var fiType = row[0].GetType();                                        if (fiType == typeof(int))
                                        {
                                            pi.SetValue(model, row[name], null);
                                        }                                        else if (fiType == typeof(string))
                                        {                                            var value = (T)Enum.Parse(typeof(T), row[name].ToString());                                            if (value != null)
                                                pi.SetValue(model, value, null);
                                        }
                                    }                                    break;                                case ModelType.String:
                                    {                                        var value = Convert.ChangeType(row[name], pi.PropertyType);
                                        pi.SetValue(model, value, null);
                                    }                                    break;                                case ModelType.Object:
                                    {
                                        pi.SetValue(model, row[name], null);
                                    }                                    break;                                case ModelType.Else:                                    throw new Exception("不支持该类型转换");                                default:                                    throw new Exception("未知类型");
                            }
                        }
                    }                    break;                default:
                    model = default(T);                    break;
            }            return model;
        }        #endregion
    }    #endregion

    #region SqlHelper    public class SqlHelper
    {        /// <summary>
        /// 从配置文件中读取数据库连接字符串        /// </summary>
        public static string ConnectionString = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;        private static SqlConnection conn;        #region 公共静态方法        /// <summary>
        /// 填充DataTable        /// </summary>
        /// <param name="spname">存储过程名</param>
        /// <param name="sqlParams">参数集</param>
        /// <returns>结果datatable</returns>
        public static DataTable FillDataTable(string spname, params SqlParameter[] sqlParams)
        {
            conn = new SqlConnection(ConnectionString);            using (SqlDataAdapter adapter = new SqlDataAdapter(spname, conn))
            {
                adapter.SelectCommand.CommandType = CommandType.StoredProcedure;                if (sqlParams != null && sqlParams.Length > 0)
                {                    for (int i = 0; i < sqlParams.Length; i++)
                    {
                        adapter.SelectCommand.Parameters.Add(sqlParams[i]);
                    }
                }
                DataTable table = new DataTable();
                adapter.Fill(table);                return table;
            }
        }        /// <summary>
        /// 执行一条SQL的select语句,用返回的结果填充DataTable        /// </summary>
        /// <param name="sql">要执行的SQL语句</param>
        /// <param name="oParams">SQL语句中的参数</param>
        /// <returns>已填充数据的DataTable</returns>
        public static DataTable FillSqlDataTable(string sql, params SqlParameter[] oParams)
        {            using (conn = new SqlConnection(ConnectionString))
            {
                SqlDataAdapter adapter = new SqlDataAdapter(sql, conn);                if (oParams != null && oParams.Length > 0)
                {                    foreach (SqlParameter prm in oParams)
                    {
                        adapter.SelectCommand.Parameters.Add(prm);
                    }
                }
                DataTable table = new DataTable();
                adapter.Fill(table);                return table;
            }
        }        /// <summary>
        /// 执行一条存储过程,返回SqlDataReader        /// </summary>
        /// <param name="spname">存储过程名称</param>
        /// <param name="sqlParams">存储过程参数集合</param>
        /// <returns>SqlDataReader</returns>
        public static SqlDataReader ExecuteReader(string spname, params SqlParameter[] sqlParams)
        {            return ExecuteReader(CommandType.StoredProcedure, spname, sqlParams);
        }        /// <summary>
        /// 执行一条存储过程或SQL语句,返回SqlDataReader        /// </summary>
        /// <param name="cmdText">SQL语句或存储过程名称</param>
        /// <param name="sqlParams">SQL参数集合</param>
        /// <returns>SqlDataReader</returns>
        public static SqlDataReader ExecuteReader(CommandType cmdType, string cmdText, params SqlParameter[] sqlParams)
        {
            conn = new SqlConnection(ConnectionString);            using (SqlCommand cmd = new SqlCommand(cmdText, conn))
            {
                cmd.CommandType = cmdType;                if (sqlParams != null && sqlParams.Length > 0)
                {                    for (int i = 0; i < sqlParams.Length; i++)
                    {
                        cmd.Parameters.Add(sqlParams[i]);
                    }
                }                try
                {
                    cmd.Connection.Open();                    return cmd.ExecuteReader(CommandBehavior.CloseConnection);
                }                catch
                {
                    cmd.Connection.Close();                    throw;
                }
            }
        }        /// <summary>
        /// 执行存储过程        /// </summary>
        /// <param name="spname">存储过程名称</param>
        /// <param name="sqlParams">存储过程参数集合</param>
        /// <returns>受影响的记录行数</returns>
        public static int ExecuteNonQuery(string spname, params SqlParameter[] sqlParams)
        {            return ExecuteNonQuery(CommandType.StoredProcedure, spname, sqlParams);
        }        /// <summary>
        /// 执行一条SQL语句,获取受SQL语句中delete、update和insert语句影响的行数        /// </summary>
        /// <param name="sql">要执行的SQL语句</param>
        /// <param name="oParams">SQL语句中的参数</param>
        /// <returns>受SQL语句中delete、update和insert语句影响的行数</returns>
        public static int ExecuteSqlNonQuery(string sql, params SqlParameter[] oParams)
        {            using (conn = new SqlConnection(ConnectionString))
            {
                SqlCommand cmd = new SqlCommand(sql, conn);
                conn.Open();                if (oParams != null && oParams.Length > 0)
                {                    foreach (SqlParameter prm in oParams)
                    {
                        cmd.Parameters.Add(prm);
                    }
                }                int reslt = cmd.ExecuteNonQuery();
                conn.Close();                return reslt;
            }
        }        /// <summary>
        /// 执行SQL语句或存储过程        /// </summary>
        /// <param name="cmdType">执行类型:SQL语句或存储过程</param>
        /// <param name="cmdText">要执行的SQL语句或存储过程名</param>
        /// <param name="sqlParams">SQL参数集合</param>
        /// <returns>受影响的记录行数</returns>
        public static int ExecuteNonQuery(CommandType cmdType, string cmdText, params SqlParameter[] sqlParams)
        {
            conn = new SqlConnection(ConnectionString);            using (SqlCommand cmd = new SqlCommand(cmdText, conn))
            {
                cmd.CommandType = cmdType;                if (sqlParams != null && sqlParams.Length > 0)
                {                    for (int i = 0; i < sqlParams.Length; i++)
                    {
                        cmd.Parameters.Add(sqlParams[i]);
                    }
                }
                conn.Open();                int j = cmd.ExecuteNonQuery();
                conn.Close();                return j;
            }
        }        /// <summary>
        /// 执行SQL语句或存储过程返回第一行第一列的数据        /// </summary>
        /// <param name="cmdType">执行类型:SQL语句或存储过程</param>
        /// <param name="sqlParams">参数集</param>
        /// <param name="cmdText">执行语句</param>
        /// <returns>返回第一行第一列的数据</returns>
        public static object ExecuteScalar(CommandType cmdType, string cmdText, params SqlParameter[] sqlParams)
        {
            conn = new SqlConnection(ConnectionString);            using (SqlCommand cmd = new SqlCommand(cmdText, conn))
            {
                cmd.CommandType = cmdType;                if (sqlParams != null && sqlParams.Length > 0)
                {                    for (int i = 0; i < sqlParams.Length; i++)
                    {
                        cmd.Parameters.Add(sqlParams[i]);
                    }
                }
                conn.Open();                object obj = null;                try
                {
                    obj = cmd.ExecuteScalar();
                }                catch
                {
                    conn.Close();
                    conn.Open();
                    obj = cmd.ExecuteScalar();
                }
                conn.Close();                return obj;
            }
        }        /// <summary>
        /// 执行存储过程,填充DataRow,若无数据则返回null        /// </summary>
        /// <param name="spname">执行语句</param>
        /// <param name="sqlParams">参数集</param>
        /// <returns>返回DataRow</returns>
        public static DataRow FillDataRow(string spname, params SqlParameter[] sqlParams)
        {
            DataTable table = FillDataTable(spname, sqlParams);            if (table.Rows.Count > 0)                return table.Rows[0];            return null;
        }        /// <summary>
        /// 向数据库中插入或更新数据时,设置存储过程参数        /// </summary>
        /// <param name="pName">存储过程参数名</param>
        /// <param name="pValue">参数值</param>
        /// <returns>返回SqlParameter</returns>
        public static SqlParameter SetParam(string pName, object pValue)
        {            //如果pValue为null,则直接返回 2004-12-6
            if (pValue == null)                return new SqlParameter(pName, pValue);            switch (Type.GetTypeCode(pValue.GetType()))
            {                case TypeCode.String:                    string tempStr = (string)pValue;                    if (tempStr.Equals(null) || tempStr.Trim().Length.Equals(0))
                    {                        return new SqlParameter(pName, DBNull.Value);
                    }                    return new SqlParameter(pName, tempStr);                case TypeCode.DateTime:
                    DateTime tempdt = (DateTime)pValue;                    if (tempdt.Equals(DateTime.MinValue))
                    {                        return new SqlParameter(pName, DBNull.Value);
                    }                    return new SqlParameter(pName, tempdt);                default:                    return new SqlParameter(pName, pValue);
            }
        }        /// <summary>
        /// 获取SqlDataReader中指定字符串字段的值        /// </summary>
        /// <param name="reader">包含数据的SqlDataReader</param>
        /// <param name="fieldName">字段名</param>
        /// <returns>字段值,若字段为空则返回空字符串</returns>
        public static string GetStringFieldValue(SqlDataReader reader, string fieldName)
        {            if (Convert.IsDBNull(reader[fieldName]))
            {                return String.Empty;
            }            return reader[fieldName].ToString();
        }        /// <summary>
        /// 获取SqlDataReader中指定Int字段的值,若该字段为空则返回指定的替换值        /// </summary>
        /// <param name="reader">包含数据的SqlDataReader</param>
        /// <param name="fieldName">字段名</param>
        /// <param name="replaceValue">要替换值为空的字段的值</param>
        /// <returns>字段值,若该字段为空则返回replaceValue</returns>
        public static int GetIntFieldValue(SqlDataReader reader, string fieldName, int replaceValue)
        {            if (Convert.IsDBNull(reader[fieldName]))
            {                return replaceValue;
            }            object obj = reader[fieldName];            return Convert.ToInt32(reader[fieldName]);
        }        /// <summary>
        /// 获取SqlDataReader中指定Int字段的值        /// </summary>
        /// <param name="reader">包含数据的SqlDataReader</param>
        /// <param name="fieldName">字段名</param>
        /// <returns>字段值,若该字段为空则返回0</returns>
        public static int GetIntFieldValue(SqlDataReader reader, string fieldName)
        {            return GetIntFieldValue(reader, fieldName, 0);
        }        /// <summary>
        /// 获取SqlDataReader中指定byte字段(SQL Server中为tinyint类型)的值        /// </summary>
        /// <param name="reader">包含数据的SqlDataReader</param>
        /// <param name="fieldName">要取值的字段名</param>
        /// <returns>返回byte类型结果</returns>
        public static byte GetByteFieldValue(SqlDataReader reader, string fieldName)
        {            if (Convert.IsDBNull(reader[fieldName]))                return 0;            return (byte)reader[fieldName];
        }        /// <summary>
        /// 获取SqlDataReader中指定decimal字段的值,若该字段为空则返回指定的替换值        /// </summary>
        /// <param name="reader">包含数据的SqlDataReader</param>
        /// <param name="fieldName">要取值的字段名</param>
        /// <param name="replaceValue">要替换值为空的字段的值</param>
        /// <returns>返回double类型结果</returns>
        public static Double GetDoubleFieldValue(SqlDataReader reader, string fieldName, Double replaceValue)
        {            if (Convert.IsDBNull(reader[fieldName]))                return replaceValue;            return (Double)reader[fieldName];
        }        /// <summary>
        /// 获取SqlDataReader中指定Int字段的值,若该字段为空则返回0        /// </summary>
        /// <param name="reader">包含数据的SqlDataReader</param>
        /// <param name="fieldName">要取值的字段名</param>
        /// <returns>返回double类型结果</returns>
        public static Double GetDoubleFieldValue(SqlDataReader reader, string fieldName)
        {            return GetDoubleFieldValue(reader, fieldName, 0);
        }        /// <summary>
        /// 获取SqlDataReader中指定float字段的值,若该字段为空则返回0        /// </summary>
        /// <param name="reader">包含数据的SqlDataReader</param>
        /// <param name="fieldName">要取值的字段名</param>
        /// <returns>返回double类型结果</returns>
        public static float GetFloatFieldValue(SqlDataReader reader, string fieldName)
        {            return GetFloatFieldValue(reader, fieldName, 0);
        }        /// <summary>
        /// 获取SqlDataReader中指定decimal字段的值,若该字段为空则返回指定的替换值        /// </summary>
        /// <param name="reader">包含数据的SqlDataReader</param>
        /// <param name="fieldName">要取值的字段名</param>
        /// <param name="replaceValue">要替换值为空的字段的值</param>
        /// <returns>返回double类型结果</returns>
        public static float GetFloatFieldValue(SqlDataReader reader, string fieldName, float replaceValue)
        {            if (Convert.IsDBNull(reader[fieldName]))                return replaceValue;            return float.Parse(reader[fieldName].ToString());
        }        /// <summary>
        /// 获取SqlDataReader中指定Int字段的值,若该字段为空则返回DateTime的最小值        /// </summary>
        /// <param name="reader">包含数据的SqlDataReader</param>
        /// <param name="fieldName">要取值的字段名</param>
        /// <returns>返回DateTime类型结果</returns>
        public static DateTime GetDateTimeFieldValue(SqlDataReader reader, string fieldName)
        {            if (Convert.IsDBNull(reader[fieldName]))                return DateTime.MinValue;            return (DateTime)reader[fieldName];
        }        #region 仅用于综合查询        /// <summary>
        /// 执行查询语句,返回DataSet(zhaibl 09-11-04添加此方法)        /// </summary>
        /// <param name="SQLString">查询语句</param>
        /// <returns>DataSet</returns>
        public static DataSet Query(string SQLString)
        {            using (SqlConnection connection = new SqlConnection(ConnectionString))
            {
                DataSet ds = new DataSet();                try
                {
                    connection.Open();
                    SqlDataAdapter command = new SqlDataAdapter(SQLString, connection);
                    command.Fill(ds, "ds");
                }                catch (System.Data.SqlClient.SqlException ex)
                {                    throw new Exception(ex.Message);
                }                return ds;
            }
        }        /// <summary>
        /// 执行一条计算查询结果语句,返回查询结果(object)。        /// </summary>
        /// <param name="SQLString">计算查询结果语句</param>
        /// <returns>查询结果(object)</returns>
        public static object GetSingle(string SQLString)
        {            using (SqlConnection connection = new SqlConnection(ConnectionString))
            {                using (SqlCommand cmd = new SqlCommand(SQLString, connection))
                {                    try
                    {
                        connection.Open();                        object obj = cmd.ExecuteScalar();                        if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
                        {                            return null;
                        }                        else
                        {                            return obj;
                        }
                    }                    catch (System.Data.SqlClient.SqlException e)
                    {
                        connection.Close();                        throw new Exception(e.Message);
                    }
                }
            }
        }        /// <summary>
        /// 填充数据集(执行带参的sql),返回DataSet        /// </summary>
        /// <param name="sql">sql语句</param>
        /// <param name="oParams">参数集</param>
        /// <returns>datasat</returns>
        public static DataSet FillDataSet(string sql, params SqlParameter[] oParams)
        {            using (SqlConnection conn = new SqlConnection(ConnectionString))
            {
                SqlDataAdapter adapter = new SqlDataAdapter(sql, conn);                if (oParams != null && oParams.Length > 0)
                {                    foreach (SqlParameter prm in oParams)
                    {
                        adapter.SelectCommand.Parameters.Add(prm);
                    }
                }
                DataSet ds = new DataSet();
                adapter.Fill(ds);                return ds;
            }
        }        /// <summary>
        /// 执行一条SQL语句,获取受SQL语句中delete、update和insert语句影响的行数        /// </summary>
        /// <param name="sql">要执行的SQL语句</param>
        /// <param name="oParams">SQL语句中的参数</param>
        /// <returns>受SQL语句中delete、update和insert语句影响的行数</returns>
        public static int ExecuteSqlNonQuery1(string sql, params SqlParameter[] oParams)
        {            int reslt = 0;            try
            {                using (conn = new SqlConnection(ConnectionString))
                {
                    SqlCommand cmd = new SqlCommand(sql, conn);
                    conn.Open();
                    cmd.CommandType = CommandType.StoredProcedure;
                    cmd.Parameters.AddRange(oParams);
                    reslt = cmd.ExecuteNonQuery();
                    conn.Close();
                }
            }            catch (Exception e)
            {                throw new Exception(e.Message);
            }            return reslt;
        }        /// <summary>
        /// 获取查询结果        /// </summary>
        /// <param name="sql">要执行的SQL语句</param>
        /// <returns>DataTable</returns>
        public static DataTable GetQueryResult(string sql)
        {
            DataTable tbl = new DataTable();
            conn = new SqlConnection(ConnectionString);            using (SqlDataAdapter adapter = new SqlDataAdapter(sql, conn))
            {
                adapter.Fill(tbl);
            }
            conn.Close();            return tbl;
        }        #endregion 仅用于综合查询        #endregion 公共静态方法        #region 事务--Bao--2017-08-17        /// <summary>
        /// 创建一个事务        /// </summary>
        /// <returns></returns>
        public static SqlTransaction CreateTrans()
        {
            conn = new SqlConnection(ConnectionString);
            conn.Open();            return conn.BeginTransaction();
        }        /// <summary>
        /// 关闭并释放与事务有关的资源        /// </summary>
        /// <param name="trans"></param>
        public static void CloseTrans(SqlTransaction trans)
        {            if (trans == null) return;

            trans.Dispose();            if (conn == null || conn.State != ConnectionState.Open) return;
            conn.Close();
            conn.Dispose();
        }        /// <summary>
        /// 执行一条不返回结果的SqlCommand,通过一个已经存在的数据库事物处理        /// 使用参数数组提供参数        /// </summary>
        /// <param name="trans">一个存在的 sql 事物处理</param>
        /// <param name="commandType">SqlCommand命令类型 (存储过程, T-SQL语句, 等等。)</param>
        /// <param name="commandText">存储过程的名字或者 T-SQL 语句</param>
        /// <param name="sqlParams">以数组形式提供SqlCommand命令中用到的参数列表</param>
        /// <returns>返回一个数值表示此SqlCommand命令执行后影响的行数</returns>
        public static int ExecuteNonQuery(SqlTransaction trans, CommandType cmdType, string cmdText, params SqlParameter[] sqlParams)
        {            if (trans == null) return ExecuteNonQuery(cmdType, cmdText, sqlParams);            using (SqlCommand cmd = new SqlCommand())
            {
                PrepareCommand(cmd, trans.Connection, trans, cmdType, cmdText, sqlParams);                int val = cmd.ExecuteNonQuery();
                cmd.Parameters.Clear();                return val;
            }
        }        /// <summary>
        /// 执行SQL语句或存储过程返回第一行第一列的数据        /// </summary>
        /// <param name="trans">一个存在的 sql 事物处理</param>
        /// <param name="cmdType">执行类型:SQL语句或存储过程</param>
        /// <param name="sqlParams">参数集</param>
        /// <param name="cmdText">执行语句</param>
        /// <returns>返回第一行第一列的数据</returns>
        public static object ExecuteScalar(SqlTransaction trans, CommandType cmdType, string cmdText, params SqlParameter[] sqlParams)
        {            if (trans == null) return ExecuteScalar(cmdType, cmdText, sqlParams);            using (SqlCommand cmd = new SqlCommand())
            {
                PrepareCommand(cmd, trans.Connection, trans, cmdType, cmdText, sqlParams);                object val = cmd.ExecuteScalar();
                cmd.Parameters.Clear();                return val;
            }
        }        /// <summary>
        /// 为执行命令准备参数        /// </summary>
        /// <param name="cmd">SqlCommand 命令</param>
        /// <param name="conn">已经存在的数据库连接</param>
        /// <param name="trans">数据库事物处理</param>
        /// <param name="cmdType">SqlCommand命令类型 (存储过程, T-SQL语句, 等等。)</param>
        /// <param name="cmdText">Command text,T-SQL语句 例如 Select * from Products</param>
        /// <param name="cmdParms">返回带参数的命令</param>
        private static void PrepareCommand(SqlCommand cmd, SqlConnection conn, SqlTransaction trans, CommandType cmdType, string cmdText, SqlParameter[] cmdParms)
        {            //判断数据库连接状态
            if (conn.State != ConnectionState.Open)
                conn.Open();

            cmd.Connection = conn;
            cmd.CommandText = cmdText;            //判断是否需要事物处理
            if (trans != null)
                cmd.Transaction = trans;

            cmd.CommandType = cmdType;            if (cmdParms != null)
            {                foreach (SqlParameter parm in cmdParms)
                    cmd.Parameters.Add(parm);
            }
        }        #endregion 事务--Bao--2017-08-17        public static void LogInfo(string msg)
        {            string FilePath = AppDomain.CurrentDomain.SetupInformation.ApplicationBase + "log\\";            if (!System.IO.Directory.Exists(FilePath))
            {
                System.IO.Directory.CreateDirectory(FilePath);
            }            try
            {                string fileName = FilePath + DateTime.Now.ToString("yyyyMMdd") + ".log";                var logStreamWriter = new System.IO.StreamWriter(fileName, true, Encoding.GetEncoding("gb2312"));


                logStreamWriter.WriteLine(msg);
                logStreamWriter.Close();
            }            catch
            { }
        }        #region 标准MD5加密        /// <summary>
        /// MD5加密字符串        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static string Md5String(string str)
        {            string pwd = String.Empty;
            MD5 md5 = MD5.Create();            // 编码UTF8/Unicode 
            byte[] s = md5.ComputeHash(Encoding.UTF8.GetBytes(str));            // 转换成字符串
            for (int i = 0; i < s.Length; i++)
            {                //格式后的字符是小写的字母                //如果使用大写(X)则格式后的字符是大写字符
                pwd = pwd + s[i].ToString("x2");
            }            return pwd;
        }        #endregion

        #region 分页        /// <summary>
        /// 获取分页数据        /// </summary>
        /// <param name="tableName">表名</param>
        /// <param name="primaryKey">主键字段名</param>
        /// <param name="pageIndex">页码</param>
        /// <param name="pageSize">页尺寸</param>
        /// <param name="isReCount">返回记录总数, 非 0 值则返回</param>
        /// <param name="orderType">设置排序类型, 非 0 值则降序</param>
        /// <param name="where">查询条件 (注意: 不要加 where)</param>
        /// <param name="recount">返回记录总数</param>
        /// <param name="pageCount">返回总页数</param>
        /// <returns></returns>
        public static DataTable GetPage(string tableName, string primaryKey, int pageIndex, int pageSize, int isReCount, int orderType, string where, out int recount, out int pageCount)
        {            string procName = "SP_Page";
            SqlParameter[] paras = new SqlParameter[]{                new SqlParameter("@Recount",SqlDbType.Int),                new SqlParameter("@PageCount",SqlDbType.Int),                new SqlParameter("@tblName",tableName),                new SqlParameter("@fldName",primaryKey),                new SqlParameter("@PageSize",pageSize),                new SqlParameter("@PageIndex",pageIndex),                new SqlParameter("@IsReCount",isReCount),                new SqlParameter("@OrderType",orderType),                new SqlParameter("@strWhere",where)
            };

            paras[0].Direction = ParameterDirection.Output;
            paras[1].Direction = ParameterDirection.Output;

            DataTable dt = SqlHelper.FillDataTable(procName, paras);

            recount = int.Parse(paras[0].Value.ToString());
            pageCount = int.Parse(paras[1].Value.ToString());            return dt;
        }        public static string newShowPageNavNew(int pageCurrent, int totalCount, int pageSize = 5, string methodName = "getlist")
        {            var totalPage = Math.Max((totalCount + pageSize - 1) / pageSize, 1);            //if (totalPage >= 1)            //{            //要输出的超链接字符串
            var pageNav = new StringBuilder();            //左边代码            //无数据
            if (totalCount == 0)
            {
                pageNav.AppendFormat("<div class='col-sm-4'><div class='dataTables_info' id='editable_info' role='alert' aria-live='polite' aria-relevant='all'>显示 0 项,共 0 项</div></div>");
            }            else
            {                //最后一页文件数量
                if (pageCurrent == totalPage)
                {
                    pageNav.AppendFormat("<div class='col-sm-4'><div class='dataTables_info' id='editable_info' role='alert' aria-live='polite' aria-relevant='all'>显示 " + ((pageCurrent - 1) * pageSize + 1) + " 到 " + totalCount + " 项,共 " + totalCount + " 项</div></div>");
                }                else
                {
                    pageNav.AppendFormat("<div class='col-sm-4'><div class='dataTables_info' id='editable_info' role='alert' aria-live='polite' aria-relevant='all'>显示 " + ((pageCurrent - 1) * pageSize + 1) + " 到 " + (pageCurrent * pageSize) + " 项,共 " + totalCount + " 项</div></div>");
                }
            }            //右边代码
            pageNav.AppendFormat("<div class='col-sm-8'><div class='dataTables_paginate paging_simple_numbers' id='editable_paginate'><ul class='pagination'>");            //如果当前是第一页,则“上一页”不可点
            if (pageCurrent == 1)
            {
                pageNav.AppendFormat("<li class='paginate_button previous disabled' aria-controls='editable' tabindex='0' id='editable_previous'><a href='javascript:void(0)'>上一页</a></li>");
            }            else
            {
                pageNav.AppendFormat("<li class='paginate_button previous' aria-controls='editable' tabindex='0' id='editable_previous'><a href='javascript:void(0)' onclick='" + methodName + "({0},{1})'>{2}</a></li>", pageCurrent - 1, pageSize, "上一页");
            }            //中间页码 
            if (pageCurrent <= 3)
            {                for (int i = 1; i < 8; i++)
                {                    if (i <= totalPage)
                    {                        if (pageCurrent == i) //当前页处理                        {
                            pageNav.AppendFormat("<li class='paginate_button active' aria-controls='editable' tabindex='0'><a href='javascript:void(0)'>{0}</a></li>", pageCurrent);
                        }                        else //一般页处理                        {
                            pageNav.AppendFormat("<li class='paginate_button previous' aria-controls='editable' tabindex='0' id='editable_previous'><a href='javascript:void(0)' onclick='" + methodName + "({0},{1})'>{2}</a></li>", i, pageSize, i);
                        }
                    }
                }
            }            else if (pageCurrent > 3 && pageCurrent < totalPage - 3)
            {                int current = 4;                for (int i = 1; i < 8; i++)
                {                    if ((pageCurrent + i - current) >= 1 && (pageCurrent + i - current) <= totalPage)
                    {                        if (current == i) //当前页处理                        {
                            pageNav.AppendFormat("<li class='paginate_button active' aria-controls='editable' tabindex='0'><a href='javascript:void(0)'>{0}</a></li>", pageCurrent);
                        }                        else //一般页处理                        {
                            pageNav.AppendFormat("<li class='paginate_button previous' aria-controls='editable' tabindex='0' id='editable_previous'><a href='javascript:void(0)' onclick='" + methodName + "({0},{1})'>{2}</a></li>", pageCurrent + i - current, pageSize, pageCurrent + i - current);
                        }
                    }
                }

            }            else
            {                for (int i = totalPage - 6; i <= totalPage; i++)
                {                    if (i <= totalPage && i > 0)
                    {                        if (pageCurrent == i) //当前页处理                        {
                            pageNav.AppendFormat("<li class='paginate_button active' aria-controls='editable' tabindex='0'><a href='javascript:void(0)'>{0}</a></li>", pageCurrent);
                        }                        else //一般页处理                        {
                            pageNav.AppendFormat("<li class='paginate_button previous' aria-controls='editable' tabindex='0' id='editable_previous'><a href='javascript:void(0)' onclick='" + methodName + "({0},{1})'>{2}</a></li>", i, pageSize, i);
                        }
                    }
                }
            }            //如果当前是最后一页,则“下一页”不可点
            if (pageCurrent == totalPage)
            {
                pageNav.AppendFormat("<li class='paginate_button next disabled' aria-controls='editable' tabindex='0' id='editable_next'><a href='javascript:void(0)'>下一页</a></li>");
            }            else
            {
                pageNav.AppendFormat("<li class='paginate_button next' aria-controls='editable' tabindex='0' id='editable_next'><a href='javascript:void(0)' onclick='" + methodName + "({0},{1})'>{2}</a></li>", pageCurrent + 1, pageSize, "下一页");
            }
            pageNav.AppendFormat("</ul></div></div>");            return pageNav.ToString();            //}            //else            //{            //    return string.Empty;            //}        }        #endregion
    }    #endregion}


本文标题:工具类:C# 最牛逼的Utility工具类
本文链接:https://vtzw.com/post/5.html
作者授权:除特别说明外,本文由 零一 原创编译并授权 零一的世界 刊载发布。
版权声明:本文不使用任何协议授权,您可以任何形式自由转载或使用。
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