<%@ WebHandler Language="C#" Class="DownloadHandler" %>
using System;
using System.Web;
using System.Data;
using System.Collections.Generic;
using System.Linq;
using System.Web.Script.Serialization;
using System.IO;
using System.Net;
using System.Web.Services;
using System.Text;
using BasicData;
using DataLinkMesWork;
using MESDownloadExcel;
public class DownloadHandler : IHttpHandler
{
///
/// 00 标准DataTable
/// 01 计划工时模板
/// 02 外协加工任务单
/// 03 外购备料请款
/// 04 自家项目报表
/// 05 材料清单
///
///
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "application/json";
var data = context.Request;
var stream = new StreamReader(data.InputStream).ReadToEnd();
//JsonData jsonData;
//string responseText = "NULL";
byte[] bytes = null;
string fileName = "test.xsl";
try
{
string InvoiceNum = HttpContext.Current.Request["param"];
JsonData jsonData = JsonMapper.ToObject(InvoiceNum);
DataLink.LogJsonData(jsonData);
MESDownloadExcel.ExcelWebCall.ExcelFile(jsonData,out bytes,out fileName);
fileName = fileName + ".xls";
HttpContext.Current.Response.ContentType = "application/octet-stream";
//HttpContext.Current.Response.ContentType = getContentType(extension);
//通知浏览器下载文件而不是打开
HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment; filename=" + HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8));
HttpContext.Current.Response.AddHeader("Access-Control-Expose-Headers", "Content-Disposition");
HttpContext.Current.Response.BinaryWrite(bytes);
HttpContext.Current.Response.Flush();
HttpContext.Current.Response.End();
return;
}
catch (Exception ex)
{
return;
}
}
/////
///// Unicode编码(汉字转换为\uxxx)
/////
/////
/////
//public static string EnUnicode(string str)
//{
// StringBuilder strResult = new StringBuilder();
// if (!string.IsNullOrEmpty(str))
// {
// for (int i = 0; i < str.Length; i++)
// {
// strResult.Append("\\u");
// strResult.Append(((int)str[i]).ToString("x"));
// }
// }
// return strResult.ToString();
//}
/////
///// Unicode解码（\uxxxx转换为汉字）
/////
/////
/////
//public static string DeUnicode(string str)
//{
// //最直接的方法Regex.Unescape(str);
// Regex reg = new Regex(@"(?i)\\[uU]([0-9a-f]{4})");
// return reg.Replace(str, delegate(Match m) { return ((char)Convert.ToInt32(m.Groups[1].Value, 16)).ToString(); });
//}
// ///
///// Unicode解码
/////
/////
/////
//public static string DeUnicode(string str)
//{
// //最直接的方法Regex.Unescape(str);
// Regex reg = new Regex(@"(?i)\\[uU]([0-9a-f]{4})");
// return reg.Replace(str, delegate (Match m) { return ((char)Convert.ToInt32(m.Groups[1].Value, 16)).ToString(); });
//}
public bool IsReusable
{
get
{
return false;
}
}
}