380 lines
13 KiB
C#
380 lines
13 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Configuration;
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using System.Text;
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using SuperMap.RealEstate.Web.UI.WebControls;
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namespace HZQR.Common.Common
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{
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/// <summary>
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/// 通用方法
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/// </summary>
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public class Common
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{
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#region 方法 -> 获得GridView的查询条件
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/// <summary>
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/// 获得GridView的查询条件
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/// </summary>
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/// <param name="e">SelectMethodParametersArgs</param>
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/// <returns></returns>
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public static string GetSqlWhereByParameter(SelectMethodParametersArgs e)
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{
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string sqlWhere = "";
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string whereSqlString = e.WhereSqlString;
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foreach (var item in e.Parameters)
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{
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var key = item.Key;
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var val = item.Value.ToString();
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if (val.StartsWith("%") && val.EndsWith("%"))
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{
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whereSqlString = whereSqlString.Replace(":" + key + " ", "'" + val + "' ").Replace(":" + key + ")", "'" + val + "')");
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}
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else
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{
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whereSqlString = whereSqlString.Replace(":" + key, val);
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}
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}
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sqlWhere = whereSqlString.TrimStart(' ');
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if (!string.IsNullOrEmpty(sqlWhere) && !sqlWhere.StartsWith("where"))
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{
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sqlWhere = " WHERE " + sqlWhere;
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}
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if (sqlWhere.IndexOf("order by") > -1)
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{
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sqlWhere = sqlWhere.Substring(0, sqlWhere.IndexOf("order by"));
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}
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return sqlWhere;
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}
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#endregion
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#region 方法 -> SQL中拼IN最大表达式数为1000,超过则用OR替换
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public static string GetInString(string id, List<string> list)
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{
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StringBuilder sb = new StringBuilder();
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String returnString = "";
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if (list.Count == 0 || null == list)
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{
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returnString = sb.Append(id).Append("=''").ToString();
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}
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for (int i = 0; i < list.Count; i++)
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{
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if (i == 0)
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{
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sb.Append(id);
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sb.Append(" in (");
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}
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sb.Append("'");
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sb.Append(list[i].ToString());
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sb.Append("'");
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if (i >= 900 && i < list.Count - 1)
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{
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if (i % 900 == 0)
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{
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sb.Append(") or ");
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sb.Append(id);
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sb.Append(" in (");
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}
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else
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{
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sb.Append(",");
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}
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}
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else
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{
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if (i < list.Count - 1)
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{
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sb.Append(",");
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}
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}
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if (i == list.Count - 1)
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{
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sb.Append(")");
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}
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}
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returnString = "(" + sb.ToString() + ")";
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return returnString;
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}
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#endregion
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#region 方法 -> 获取上个月第一天和最后一天
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//获取上个月第一天
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public static DateTime FirstDayOfPreviousMonth(DateTime datetime)
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{
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return datetime.AddDays(1 - datetime.Day).AddMonths(-1);
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}
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//获取上个月的最后一天
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public static DateTime LastDayOfPrdviousMonth(DateTime datetime)
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{
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return datetime.AddDays(1 - datetime.Day).AddDays(-1);
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}
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#endregion
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#region 方法 -> 将DateTime类型转换为long类型
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/// <summary>
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/// 将DateTime类型转换为long类型
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/// </summary>
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/// <param name="dt">时间</param>
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/// <returns></returns>
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public static long ConvertDataTimeLong(DateTime dt)
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{
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DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));
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TimeSpan toNow = dt.Subtract(dtStart);
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long timeStamp = toNow.Ticks;
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timeStamp = long.Parse(timeStamp.ToString().Substring(0, timeStamp.ToString().Length - 7));
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return timeStamp;
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}
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#endregion
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#region 方法 -> 将Long类型转换为DateTime类型
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/// <summary>
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/// 将Long类型转换为DateTime类型
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/// </summary>
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/// <param name="d">long</param>
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/// <returns></returns>s
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public static DateTime ConvertLongDateTime(long d)
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{
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DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));
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long lTime = long.Parse(d + "0000000");
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TimeSpan toNow = new TimeSpan(lTime);
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DateTime dtResult = dtStart.Add(toNow);
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return dtResult;
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}
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/// <summary>
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/// 时间戳(毫秒值)String转换为DateTime类型转换
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/// </summary>
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/// <param name="time">毫秒时间戳</param>
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/// <returns></returns>
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public static DateTime TicksToDate(string time)
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{
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return new DateTime((Convert.ToInt64(time) * 10000) + 621355968000000000);
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}
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#endregion
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#region 方法 -> 解析数字型的日期
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/// <summary>
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/// 解析数字型的日期
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/// </summary>
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/// <param name="DateTimeString">数字型的日期</param>
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/// <returns></returns>
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public static string TranslateDateTime(string DateTimeString)
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{
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string str = "";
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switch (DateTimeString.Length)
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{
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case 6:
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str = DateTimeString.Substring(0, 4) + "/" + DateTimeString.Substring(4, 2);
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break;
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case 8:
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str = DateTimeString.Substring(0, 4) + "/" + DateTimeString.Substring(4, 2) +
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"/" + DateTimeString.Substring(6, 2);
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break;
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default:
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if (DateTimeString.Length >= 14)
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{
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str = DateTimeString.Substring(0, 4) + "/" + DateTimeString.Substring(4, 2) +
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"/" + DateTimeString.Substring(6, 2) + " " + DateTimeString.Substring(8, 2) + ":" +
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DateTimeString.Substring(10, 2) + ":" + DateTimeString.Substring(12, 2);
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}
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break;
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}
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return str;
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}
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#endregion
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#region 方法 -> 将数字型月份转成日期格式（当月第一天）
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/// <summary>
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/// 将数字型月份转成日期格式（当月第一天）
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/// </summary>
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/// <param name="MonthString">月份字符串</param>
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/// <returns></returns>
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public static DateTime TranslateMonth(string MonthString)
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{
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string str = MonthString.Substring(0, 4) + "-" + MonthString.Substring(4, 2) + "-01";
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return DateTime.Parse(str);
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}
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#endregion
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#region 方法 -> 将数字型数据插入到Oracle数据库
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/// <summary>
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/// 将数字型数据插入到Oracle数据库
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/// </summary>
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/// <param name="data">数字型数据</param>
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/// <returns></returns>
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public static string InsertNumberToOracle(int? data)
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{
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if (data != null)
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{
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return data.ToString();
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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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/// 将数字型数据插入到Oracle数据库
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/// </summary>
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/// <param name="data">字符串数据</param>
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/// <returns></returns>
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public static string InsertNumberToOracle(string data)
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{
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if (!string.IsNullOrWhiteSpace(data))
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{
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return data;
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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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#endregion
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#region 方法 -> 将日期型数据插入到Oracle数据库
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/// <summary>
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/// 将日期型数据插入到Oracle数据库
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/// </summary>
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/// <param name="data">日期型数据</param>
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/// <returns></returns>
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public static string InsertDateToOracle(DateTime? data)
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{
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if (data != null)
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{
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return "TO_DATE('" + data + "','YYYY/MM/DD HH24:MI:SS')";
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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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/// 将日期型数据插入到Oracle数据库
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/// </summary>
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/// <param name="data">字符串数据</param>
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/// <returns></returns>
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public static string InsertDateToOracle(string data)
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{
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if (!string.IsNullOrWhiteSpace(data))
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{
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return "TO_DATE('" + data + "','YYYY/MM/DD HH24:MI:SS')";
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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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#endregion
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#region 方法 -> 获取字符串中某个字符在第几次出现的位置
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/// <summary>
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/// 获取字符串中某个字符在第几次出现的位置
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/// </summary>
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/// <param name="originValue">字符串</param>
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/// <param name="searchValue">检索字符</param>
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/// <param name="startIndex">搜索起始位置</param>
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/// <param name="searchTime">第几次出现</param>
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/// <returns></returns>
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public static int ValueIndexOf(string originValue, char searchValue, int startIndex = 0, uint searchTime = 1)
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{
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int position = -1;
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//判断字符串中是否存在检索字符串
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if (originValue.Substring(startIndex).IndexOf(searchValue) > 0)
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{
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//将字符串按照originValue进行分组
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string[] values = originValue.Substring(startIndex).Split(searchValue);
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//遍历数组，查找searchValue出现的位置
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for (int showTime = 0; showTime < values.Length && showTime < searchTime; showTime++)
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{
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position += values[showTime].Length + 1;
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}
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}
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return position;
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}
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/// <summary>
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/// 获取字符串中某个字符在第几次出现的位置
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/// </summary>
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/// <param name="originValue">字符串</param>
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/// <param name="searchValue">检索字符串</param>
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/// <param name="startIndex">搜索起始位置</param>
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/// <param name="searchTime">第几次出现</param>
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/// <returns></returns>
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public static int ValueIndexOf(string originValue, string searchValue, int startIndex = 0, uint searchTime = 1)
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{
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int position = -1;
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//判断字符串中是否存在检索字符串
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if (originValue.Substring(startIndex).IndexOf(searchValue) > 0)
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{
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//将字符串按照originValue进行分组
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string[] values = originValue.Substring(startIndex).Split(searchValue);
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//遍历数组，查找searchValue出现的位置
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for (int showTime = 0; showTime < values.Length && showTime < searchTime; showTime++)
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{
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position += values[showTime].Length + 1;
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}
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}
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return position;
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}
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#endregion
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#region 方法 -> 更新AppSettings中的键值
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/// <summary>
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/// 更新AppSettings中的键值
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/// </summary>
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/// <param name="key">指定键的字符串</param>
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/// <param name="value">指定值的字符串</param>
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public static void AddUpdateAppSettings(string key, string value)
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{
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var configFile = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
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var settings = configFile.AppSettings.Settings;
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if (settings[key] == null)
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{
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settings.Add(key, value);
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}
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else
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{
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settings[key].Value = value;
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}
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configFile.Save(ConfigurationSaveMode.Modified);
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ConfigurationManager.RefreshSection(configFile.AppSettings.SectionInformation.Name);
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}
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#endregion
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#region 方法 -> 获取数据表字段查询语句
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/// <summary>
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/// 获取数据表字段查询语句
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/// </summary>
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/// <param name="OwnerName">用户名称</param>
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/// <param name="TableName">数据表名</param>
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/// <returns></returns>
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public static string GetTableColumnSQL(string OwnerName, string TableName)
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{
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string SQLString = string.Format(@"SELECT
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A.OWNER,A.TABLE_NAME,A.COLUMN_NAME,B.COMMENTS,
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A.DATA_TYPE,A.CHAR_LENGTH,A.DATA_PRECISION,
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A.DATA_SCALE,A.NULLABLE,A.DATA_DEFAULT,A.COLUMN_ID
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FROM
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DBA_TAB_COLUMNS A
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LEFT JOIN
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ALL_COL_COMMENTS B
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ON
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A.OWNER = B.OWNER AND
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A.TABLE_NAME = B.TABLE_NAME AND
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A.COLUMN_NAME = B.COLUMN_NAME
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WHERE
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A.OWNER = '{0}' AND A.TABLE_NAME = '{1}'", OwnerName, TableName);
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return SQLString;
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}
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#endregion
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}
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}
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