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331 lines
11 KiB
331 lines
11 KiB
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Web;
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namespace FangYar.WebUI.ashx
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{
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/// <summary>
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/// A_CommonHandler 的摘要说明
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/// </summary>
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public class A_CommonHandler : IHttpHandler
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{
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public void ProcessRequest(HttpContext context)
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{
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context.Response.ContentType = "text/plain";
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string action = context.Request.Params["Action"];
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string returnstr = "";
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switch (action)
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{
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case "InsInfo":
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returnstr = InsInfo(context);
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break;
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case "UpdInfo":
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returnstr = UpdInfo(context);
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break;
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case "DelInfo":
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returnstr = DelInfo(context);
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break;
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case "SelInfo":
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returnstr = SelInfo(context);
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break;
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case "SelInfoPage":
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returnstr = SelInfoPage(context);
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break;
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}
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context.Response.Write(returnstr);
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}
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/// <summary>
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/// 添加信息
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/// </summary>
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/// <param name="context"></param>
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/// <returns></returns>
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private string InsInfo(HttpContext context)
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{
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string returnstr = "";
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int code = 0;
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string msg = "";
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try
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{
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//表名
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string tbName = context.Request.Params["tbName"];
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//列名
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string columns = context.Request.Params["columns"];
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//内容
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string values = context.Request.Params["values"];
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StringBuilder strsql = new StringBuilder();
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strsql.Append(" insert into " + tbName + " (" + columns + ") values (" + values + ") ");
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int i = FangYar.Common.MySqlHelper.Execute(strsql.ToString());
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if (i > 0)
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{
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msg = "保存成功！";
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code = 1;
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}
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else { msg = "保存失败！"; }
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}
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catch (Exception e)
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{
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code = 2;
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msg = e.Message;
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// 记录操作日志
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BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Error, "消防要事日记操作请求", "保存异常：" + e);
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}
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returnstr = "{\"msg\":\"" + msg + "\",\"code\":" + code + "}";
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// 记录操作日志
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BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Add, "消防要事日记操作请求", "保存");
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return returnstr;
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}
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/// <summary>
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/// 更新信息
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/// </summary>
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/// <param name="context"></param>
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/// <returns></returns>
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private string UpdInfo(HttpContext context)
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{
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string returnstr = "";
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int code = 0;
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string msg = "";
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try
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{
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//表名
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string tbName = context.Request.Params["tbName"];
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//设置信息
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string sets = context.Request.Params["sets"];
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//条件
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string wheres = context.Request.Params["wheres"];
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StringBuilder strsql = new StringBuilder();
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strsql.Append(" update " + tbName + " set " + sets + " where " + wheres);
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int i = FangYar.Common.MySqlHelper.Execute(strsql.ToString());
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if (i > 0)
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{
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msg = "保存成功！";
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code = 1;
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}
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else { msg = "保存失败！"; }
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}
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catch (Exception e)
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{
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code = 2;
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msg = e.Message;
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// 记录操作日志
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BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Error, "消防要事日记操作请求", "保存异常：" + e);
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}
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returnstr = "{\"msg\":\"" + msg + "\",\"code\":" + code + "}";
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// 记录操作日志
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BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Add, "消防要事日记操作请求", "保存");
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return returnstr;
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}
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/// <summary>
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/// 删除信息
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/// </summary>
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/// <param name="context"></param>
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/// <returns></returns>
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private string DelInfo(HttpContext context)
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{
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string returnstr = "";
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int code = 0;
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string msg = "";
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try
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{
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//表名
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string tbName = context.Request.Params["tbName"];
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//条件
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string wheres = context.Request.Params["wheres"];
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StringBuilder strsql = new StringBuilder();
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strsql.Append(" delete FROM " + tbName + " where " + wheres);
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int i = FangYar.Common.MySqlHelper.Execute(strsql.ToString());
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if (i > 0)
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{
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msg = "保存成功！";
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code = 1;
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}
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else { msg = "保存失败！"; }
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}
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catch (Exception e)
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{
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code = 2;
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msg = e.Message;
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// 记录操作日志
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BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Error, "消防要事日记操作请求", "保存异常：" + e);
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}
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returnstr = "{\"msg\":\"" + msg + "\",\"code\":" + code + "}";
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// 记录操作日志
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BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Add, "消防要事日记操作请求", "保存");
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return returnstr;
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}
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/// <summary>
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/// 分页查询信息
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/// </summary>
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/// <param name="context"></param>
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/// <returns></returns>
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private string SelInfoPage(HttpContext context)
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{
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string returnstr = "";
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try
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{
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//表名
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string tbName = context.Request.Params["tbName"];
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//列名
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string columns = context.Request.Params["columns"];
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//条件
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string wheres = context.Request.Params["wheres"];
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//排序
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string orderBy = context.Request.Params["orderBy"];
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if (string.IsNullOrWhiteSpace(orderBy))
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{
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orderBy = " 1 ";
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}
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if (string.IsNullOrWhiteSpace(columns))
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{
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columns = " * ";
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}
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if (string.IsNullOrWhiteSpace(wheres))
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{
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wheres = " 1=1 ";
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}
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string page = context.Request.Params["page"];
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string limit = context.Request.Params["limit"];
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int pageIndex = 1;
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int pageSize = 10;
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if (!string.IsNullOrEmpty(page)) { pageIndex = int.Parse(page); }
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if (!string.IsNullOrEmpty(limit)) { pageSize = int.Parse(limit); }
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pageIndex = pageIndex < 1 ? 1 : pageIndex;
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pageSize = pageSize < 1 ? 1 : pageSize;
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int startnum = (pageIndex - 1) * pageSize;
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string sqlCount = " SELECT count(1) from " + tbName + " WHERE " + wheres;
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string sqlStr = " SELECT " + columns + " from " + tbName + " WHERE " + wheres + " order by " + orderBy + " limit " + startnum + ", " + pageSize;
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var dtCount = FangYar.Common.MySqlHelper.QueryTable(sqlCount);
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int rowCount = 0;
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if (dtCount.Rows.Count > 0)
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{
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int.TryParse(dtCount.Rows[0][0] + "", out rowCount);
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}
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returnstr = "{\"code\":0,\"msg\":\"\",";
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var dtList = FangYar.Common.MySqlHelper.QueryTable(sqlStr);
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returnstr += "\"count\":" + rowCount + ",\"data\":";
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returnstr += FangYar.Common.JsonHelper.ToJson(dtList);
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returnstr += "}";
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}
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catch (Exception e)
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{
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returnstr = "{\"code\":0,\"msg\":\"error\",\"count\":0,\"data\":[]}";
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// 记录操作日志
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BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Query, "消防要事日记操作请求", "分页查询异常：" + e);
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}
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// 记录操作日志
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BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Query, "消防要事日记操作请求", "分页查询");
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return returnstr;
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}
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/// <summary>
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/// 查询全部信息
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/// </summary>
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/// <param name="context"></param>
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/// <returns></returns>
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private string SelInfo(HttpContext context)
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{
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string returnstr = "";
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try
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{
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//表名
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string tbName = context.Request.Params["tbName"];
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//列名
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string columns = context.Request.Params["columns"];
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//条件
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string wheres = context.Request.Params["wheres"];
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//排序
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string orderBy = context.Request.Params["orderBy"];
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if (string.IsNullOrWhiteSpace(orderBy))
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{
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orderBy = " 1 ";
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}
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if (string.IsNullOrWhiteSpace(columns))
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{
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columns = " * ";
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}
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if (string.IsNullOrWhiteSpace(wheres))
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{
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wheres = " 1=1 ";
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}
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string sqlCount = " SELECT count(1) from " + tbName + " WHERE " + wheres;
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string sqlStr = " SELECT " + columns + " from " + tbName + " WHERE " + wheres + " order by " + orderBy;
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var dtCount = FangYar.Common.MySqlHelper.QueryTable(sqlCount);
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int rowCount = 0;
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if (dtCount.Rows.Count > 0)
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{
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int.TryParse(dtCount.Rows[0][0] + "", out rowCount);
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}
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returnstr = "{\"code\":0,\"msg\":\"\",";
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var dtList = FangYar.Common.MySqlHelper.QueryTable(sqlStr);
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returnstr += "\"count\":" + rowCount + ",\"data\":";
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returnstr += FangYar.Common.JsonHelper.ToJson(dtList);
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returnstr += "}";
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}
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catch (Exception e)
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{
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returnstr = "{\"code\":0,\"msg\":\"error\",\"count\":0,\"data\":[]}";
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// 记录操作日志
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BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Query, "消防要事日记操作请求", "分页查询异常：" + e);
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}
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// 记录操作日志
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BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Query, "消防要事日记操作请求", "分页查询");
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return returnstr;
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}
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public bool IsReusable
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{
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get
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{
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return false;
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}
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}
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}
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}
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