622 lines
18 KiB
C#
622 lines
18 KiB
C#
namespace BLL
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{
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Data.Linq;
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using System.Reflection;
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using System.Text;
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/// <summary>
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/// 通用方法类。
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/// </summary>
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public static class Funs
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{
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/// <summary>
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/// 维护一个DB集合
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/// </summary>
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private static Dictionary<int, Model.HJGLDB> dataBaseLinkList = new System.Collections.Generic.Dictionary<int, Model.HJGLDB>();
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/// <summary>
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/// 维护一个DB集合
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/// </summary>
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public static System.Collections.Generic.Dictionary<int, Model.HJGLDB> DBList
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{
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get
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{
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return dataBaseLinkList;
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}
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}
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/// <summary>
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/// 数据库连接字符串
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/// </summary>
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private static string connString;
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/// <summary>
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/// 数据库连结字符串。
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/// </summary>
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public static string ConnString
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{
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get
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{
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if (connString == null)
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{
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throw new NotSupportedException("请设置连接字符串！");
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}
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return connString;
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}
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set
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{
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if (connString != null)
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{
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throw new NotSupportedException("连接已设置！");
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}
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connString = value;
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}
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}
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/// <summary>
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/// 单位设置
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/// </summary>
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public static string UnitSet
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{
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get;
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set;
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}
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/// <summary>
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/// 路径
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/// </summary>
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public static string RootPath
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{
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get;
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set;
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}
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/// <summary>
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/// 系统名
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/// </summary>
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public static string SystemName
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{
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get;
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set;
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}
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/// <summary>
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/// APP下载地址
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/// </summary>
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public static string APPUrl
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{
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get;
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set;
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}
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/// <summary>
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/// 使用单位
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/// </summary>
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public static string UsingUnit
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{
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get;
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set;
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}
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/// <summary>
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/// 每页数量
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/// </summary>
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public static int PageSize
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{
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get;
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set;
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} = 15;
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/// <summary>
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/// 数据库上下文。
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/// </summary>
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public static Model.HJGLDB DB
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{
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get
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{
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if (!DBList.ContainsKey(System.Threading.Thread.CurrentThread.ManagedThreadId))
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{
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DBList.Add(System.Threading.Thread.CurrentThread.ManagedThreadId, new Model.HJGLDB(connString));
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}
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return DBList[System.Threading.Thread.CurrentThread.ManagedThreadId];
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}
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}
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public static void PleaseSelect(System.Web.UI.WebControls.DropDownList DDL, string itemText)
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{
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DDL.Items.Insert(0, new System.Web.UI.WebControls.ListItem(itemText, BLL.Const._Null));
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return;
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}
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/// <summary>
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/// 为目标下拉框加上 "请选择" 项
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/// </summary>
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/// <param name="DLL">目标下拉框</param>
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public static void FineUIPleaseSelect(FineUIPro.DropDownList DDL)
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{
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DDL.Items.Insert(0, new FineUIPro.ListItem("- 请选择 -", BLL.Const._Null));
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return;
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}
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public static void FineUIPleaseSelect(FineUIPro.DropDownList DDL, string itemText)
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{
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DDL.Items.Insert(0, new FineUIPro.ListItem(itemText, BLL.Const._Null));
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return;
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}
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/// <summary>
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/// 为目标下拉框加上 "重新编制" 项
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/// </summary>
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/// <param name="DLL">目标下拉框</param>
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public static void ReCompileSelect(System.Web.UI.WebControls.DropDownList DDL)
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{
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DDL.Items.Insert(0, new System.Web.UI.WebControls.ListItem("重新编制", "0"));
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return;
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}
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/// <summary>
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/// 为目标下拉框加上 "重新编制" 项
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/// </summary>
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/// <param name="DLL">目标下拉框</param>
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public static void FineUIReCompileSelect(FineUIPro.DropDownList DDL)
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{
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DDL.Items.Insert(0, new FineUIPro.ListItem("重新编制", "0"));
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return;
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}
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/// <summary>
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/// 加密密码
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/// </summary>
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/// <param name="password">加密前的密码</param>
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/// <returns>加密后的密码</returns>
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public static string EncryptionPassword(string password)
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{
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System.Security.Cryptography.MD5 md5 = System.Security.Cryptography.MD5.Create();
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return BitConverter.ToString(md5.ComputeHash(Encoding.UTF8.GetBytes(password))).Replace("-", null);
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//return System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(password, "MD5");
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}
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/// <summary>
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/// 字符串是否为浮点数
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/// </summary>
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/// <param name="decimalStr">要检查的字符串</param>
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/// <returns>返回是或否</returns>
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public static bool IsDecimal(string decimalStr)
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{
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if (String.IsNullOrEmpty(decimalStr))
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{
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return false;
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}
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try
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{
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Convert.ToDecimal(decimalStr, NumberFormatInfo.InvariantInfo);
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return true;
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}
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catch (Exception ex)
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{
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ErrLogInfo.WriteLog(ex);
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return false;
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}
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}
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/// <summary>
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/// 判断一个字符串是否是整数
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/// </summary>
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/// <param name="integerStr">要检查的字符串</param>
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/// <returns>返回是或否</returns>
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public static bool IsInteger(string integerStr)
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{
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if (String.IsNullOrEmpty(integerStr))
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{
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return false;
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}
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try
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{
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Convert.ToInt32(integerStr, NumberFormatInfo.InvariantInfo);
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return true;
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}
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catch (Exception ex)
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{
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ErrLogInfo.WriteLog(ex);
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return false;
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}
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}
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/// <summary>
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/// 获取新的数字
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/// </summary>
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/// <param name="number">要转换的数字</param>
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/// <returns>新的数字</returns>
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public static string InterceptDecimal(object number)
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{
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if (number == null)
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{
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return null;
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}
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decimal newNumber = 0;
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string newNumberStr = "";
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int an = -1;
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string numberStr = number.ToString();
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int n = numberStr.IndexOf(".");
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if (n == -1)
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{
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return numberStr;
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}
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for (int i = n + 1; i < numberStr.Length; i++)
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{
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string str = numberStr.Substring(i, 1);
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if (str == "0")
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{
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if (GetStr(numberStr, i))
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{
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an = i;
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break;
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}
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}
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}
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if (an == -1)
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{
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newNumber = Convert.ToDecimal(numberStr);
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}
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else if (an == n + 1)
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{
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newNumberStr = numberStr.Substring(0, an - 1);
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newNumber = Convert.ToDecimal(newNumberStr);
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}
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else
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{
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newNumberStr = numberStr.Substring(0, an);
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newNumber = Convert.ToDecimal(newNumberStr);
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}
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return newNumber.ToString();
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}
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/// <summary>
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/// 判断字符串从第n位开始以后是否都为0
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/// </summary>
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/// <param name="number">要判断的字符串</param>
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/// <param name="n">开始的位数</param>
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/// <returns>false不都为0，true都为0</returns>
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public static bool GetStr(string number, int n)
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{
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for (int i = n; i < number.Length; i++)
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{
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if (number.Substring(i, 1) != "0")
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{
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return false;
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}
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}
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return true;
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}
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/// <summary>
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/// 获取三位流水号
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/// </summary>
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/// <param name="num"></param>
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/// <returns></returns>
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public static string GetThreeNumber(string num)
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{
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int number = 0;
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string reValue = string.Empty;
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try
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{
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number = Int32.Parse(num) + 1;
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if (number.ToString().Length == 1)
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{
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reValue = "00" + number.ToString();
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}
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else if (number.ToString().Length == 2)
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{
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reValue = "0" + number.ToString();
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}
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else
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{
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reValue = number.ToString();
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}
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return reValue;
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}
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catch (Exception ex)
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{
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ErrLogInfo.WriteLog(ex);
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return "";
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}
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}
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/// <summary>
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/// 截取字符串长度
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/// </summary>
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/// <param name="str">要截取的字符串</param>
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/// <param name="n">长度</param>
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/// <returns>截取后字符串</returns>
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public static string GetSubStr(object str, object n)
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{
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if (str != null)
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{
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if (str.ToString().Length > Convert.ToInt32(n))
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{
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return str.ToString().Substring(0, Convert.ToInt32(n)) + "....";
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}
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else
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{
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return str.ToString();
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}
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}
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return "";
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}
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/// <summary>
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/// 输入文本转换时间类型
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/// </summary>
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/// <returns></returns>
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public static DateTime? GetNewDateTime(string time)
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{
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if (!String.IsNullOrEmpty(time))
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{
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try
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{
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return DateTime.Parse(time);
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}
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catch (Exception ex)
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{
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ErrLogInfo.WriteLog(ex);
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return null;
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}
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}
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else
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{
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return null;
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}
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}
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/// <summary>
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/// 输入文本转换数字
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/// </summary>
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/// <returns></returns>
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public static decimal? GetNewDecimal(string value)
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{
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if (!String.IsNullOrEmpty(value))
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{
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try
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{
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return decimal.Parse(value);
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}
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catch (Exception ex)
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{
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ErrLogInfo.WriteLog(ex);
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return null;
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}
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}
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else
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{
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return null;
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}
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}
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/// <summary>
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/// 输入文本转换数字
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/// </summary>
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/// <returns></returns>
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public static decimal GetNewDecimalOrZero(string value)
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{
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decimal returnValue = 0;
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if (!String.IsNullOrEmpty(value))
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{
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try
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{
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returnValue = decimal.Parse(value);
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}
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catch (Exception ex)
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{
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ErrLogInfo.WriteLog(ex);
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return returnValue;
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}
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}
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return returnValue;
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}
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/// <summary>
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/// 输入文本转换数字类型
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/// </summary>
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/// <returns></returns>
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public static int? GetNewInt(string value)
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{
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if (!String.IsNullOrEmpty(value))
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{
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try
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{
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return Int32.Parse(value);
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}
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catch (Exception ex)
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{
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ErrLogInfo.WriteLog(ex);
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return null;
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}
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}
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else
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{
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return null;
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}
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}
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/// <summary>
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/// 输入文本转换数字类型
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/// </summary>
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/// <returns></returns>
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public static int GetNewIntOrZero(string value)
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{
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int returnValue = 0;
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if (!String.IsNullOrEmpty(value))
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{
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try
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{
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returnValue = Int32.Parse(value);
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}
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catch (Exception ex)
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{
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ErrLogInfo.WriteLog(ex);
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return returnValue;
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}
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}
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return returnValue;
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}
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/// <summary>
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/// 指定上传文件的名称
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/// </summary>
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/// <returns></returns>
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public static string GetNewFileName()
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{
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Random rm = new Random(System.Environment.TickCount);
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return System.DateTime.Now.ToString("yyyyMMddhhmmss") + rm.Next(1000, 9999).ToString();
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}
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/// <summary>
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/// 根据标识返回字符串list
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/// </summary>
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/// <param name="str"></param>
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/// <param name="n"></param>
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/// <returns></returns>
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public static List<string> GetStrListByStr(string str, char n)
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{
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List<string> strList = new List<string>();
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if (!string.IsNullOrEmpty(str))
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{
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strList.AddRange(str.Split(n));
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}
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return strList;
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}
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/// <summary>
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/// 去除小数后无效的0
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/// </summary>
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/// <param name="str"></param>
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/// <param name="n"></param>
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/// <returns></returns>
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public static string GetClearZero(decimal dNum)
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{
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string strNum = dNum.ToString();
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if (strNum.Contains("."))
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{
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strNum = strNum.TrimEnd('0').TrimEnd('.');
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}
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return strNum;
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}
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/// <summary>
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/// 根据第一页和第二页行数及总记录数，确定需要打印几页
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/// </summary>
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/// <param name="pageSize1">第一页行数</param>
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/// <param name="pageSize2">第二页行数</param>
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/// <param name="count">总记录数</param>
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/// <returns></returns>
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public static int GetPagesCountByPageSize(int pageSize1, int pageSize2, int count)
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{
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int pagesCount = 0;
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if (pageSize1 >= count) //总记录数小于等于第一页行数
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{
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pagesCount = 1;
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}
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else if (count > pageSize1 && count <= (pageSize1 + pageSize2)) //总记录数大于第一页行数且小于等于第一页加第二页总行数
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{
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pagesCount = 2;
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}
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else //总记录数大于第一页加第二页总行数
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{
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int lastCount = count - pageSize1;
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decimal c = Convert.ToDecimal(Math.Round(Convert.ToDecimal(lastCount) / Convert.ToDecimal(pageSize2), 2));
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if (c.ToString().IndexOf(".") > 0 && c.ToString().Substring(c.ToString().IndexOf("."), c.ToString().Length - c.ToString().IndexOf(".")) != ".00")
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{
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string c1 = c.ToString().Substring(0, c.ToString().IndexOf("."));
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pagesCount = Convert.ToInt32(c1) + 1;
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}
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else
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{
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pagesCount = Convert.ToInt32(c);
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}
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pagesCount = pagesCount + 1;
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}
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return pagesCount;
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}
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/// <summary>
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/// 在设定的数值内产生随机数的数量
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/// </summary>
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/// <param name="num">随机数的数量</param>
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/// <param name="minValue">随机数的最小值</param>
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/// <param name="maxValue">随机数的最大值</param>
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/// <returns></returns>
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public static int[] GetRandomNum(int num, int minValue, int maxValue)
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{
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if ((maxValue + 1 - minValue - num < 0))
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maxValue += num - (maxValue + 1 - minValue);
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Random ra = new Random(unchecked((int)DateTime.Now.Ticks));
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int[] arrNum = new int[num];
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int tmp = 0;
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StringBuilder sb = new StringBuilder(num * maxValue.ToString().Trim().Length);
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for (int i = 0; i <= num - 1; i++)
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{
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tmp = ra.Next(minValue, maxValue);
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while (sb.ToString().Contains("#" + tmp.ToString().Trim() + "#"))
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tmp = ra.Next(minValue, maxValue + 1);
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arrNum[i] = tmp;
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sb.Append("#" + tmp.ToString().Trim() + "#");
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}
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return arrNum;
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}
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// 获取一个随机数
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public static int GetRandomNum(int minValue, int maxValue)
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{
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Random ra = new Random(unchecked((int)DateTime.Now.Ticks));
|
||
return ra.Next(minValue, maxValue);
|
||
}
|
||
|
||
/// <summary>
|
||
/// 创建一个对象锁
|
||
/// </summary>
|
||
private static object newIdLocker = new object();
|
||
|
||
/// <summary>
|
||
/// 生成一个新的用于指定表的主键。
|
||
/// </summary>
|
||
/// <returns></returns>
|
||
public static string GetNewID()
|
||
{
|
||
lock (newIdLocker)
|
||
{
|
||
return Guid.NewGuid().ToString();
|
||
}
|
||
}
|
||
public static IEnumerable<TSource> DistinctBy<TSource, TKey>(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector)
|
||
{
|
||
HashSet<TKey> seenKeys = new HashSet<TKey>();
|
||
foreach (TSource element in source)
|
||
{
|
||
if (seenKeys.Add(keySelector(element)))
|
||
{
|
||
yield return element;
|
||
}
|
||
}
|
||
}
|
||
|
||
}
|
||
}
|
||
|