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100 lines
3.3 KiB
100 lines
3.3 KiB
using NFine.Data.Extensions;
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Data.SqlClient;
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using System.Linq;
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using System.Web;
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namespace NFine.Web
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{
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/// <summary>
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/// ChulingHandler 的摘要说明
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/// </summary>
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public class ChulingHandler : IHttpHandler
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{
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/// <summary>
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/// 打印数据参数：服务器的URL+打印的文件名，转化为Base64编码
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/// </summary>
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protected string strPrintData;
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/// <summary>
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/// 标识是否安装了控件
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/// </summary>
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protected bool bIsInstallPrintControl = true;
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/// <summary>
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/// 打印控件的Cookie值
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/// </summary>
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protected string strPrintControlCookie = "";
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public void ProcessRequest(HttpContext context)
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{
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string action = context.Request.Params["action"];
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switch (action)
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{
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case "GetUrlPath":
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GetUrlPath(context);
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break;
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}
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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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private string GetUrlPath(HttpContext context)
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{
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string strUrl = context.Request.Url.ToString();
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int iEnd = strUrl.LastIndexOf("/");
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strUrl = strUrl.Substring(0, iEnd + 1);
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return strUrl;
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}
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/// <summary>
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/// 设置控件调用的Cookie值，判断是否安装了打印控件
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/// </summary>
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/// <param name="pJson"></param>
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private void SetCookieAndURL(HttpContext context, PrintJson pJson)
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{
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//bIsInstallPrintControl = false;
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//strPrintControlCookie = "";
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//HttpCookie pCookieInstall = context.Request.Cookies["InstallPrintControl"];
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//if (pCookieInstall != null)
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//{ //Cookie存在
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// strPrintControlCookie = pCookieInstall.Value.ToString();
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// //以Cookie值查找在数据表中是否存在
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// string strSql = @"Select * From CheckInstall Where Cookie = @Cookie";
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// SqlParameter[] pmcCookie = { new SqlParameter("Cookie", strPrintControlCookie) };
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// using (SqlDataReader drCookie = SqlHelper.ExecuteReader(DbHelper.ConnectionString, CommandType.Text, strSql, pmcCookie))
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// {
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// if (drCookie.Read())
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// { //标识为已经安装
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// bIsInstallPrintControl = true;
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// }
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// drCookie.Close();
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// }
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// //更新Cookie的保存时间
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// pCookieInstall.Expires = DateTime.Now.AddYears(10);
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// context.Response.SetCookie(pCookieInstall);
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//}
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//else
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//{//Cookie不存在，则新建Cookie
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// strPrintControlCookie = System.Guid.NewGuid().ToString();
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// pCookieInstall = new HttpCookie("InstallPrintControl", strPrintControlCookie);
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// pCookieInstall.Expires = DateTime.Now.AddYears(10);
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// context.Response.Cookies.Add(pCookieInstall);
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//}
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//string strUrl = GetUrlPath(context) + "PrintCookie.aspx";
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//pJson.SetCookieAndURL(strPrintControlCookie, strUrl);
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}
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}
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}
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