WebUI/Datasource/ImageUploadHandler.ashx.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Configuration;
using Common;
using System.IO;
using System.Collections;
using System.Globalization;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
namespace WebUI.Datasource
{
/// <summary>
/// ImageUploadHandler.ashx 的摘要说明
/// </summary>
/// <summary>
/// ImageUploadHandler 的摘要说明
/// </summary>
public class ImageUploadHandler : IHttpHandler, System.Web.SessionState.IRequiresSessionState
{
//定义允许上传的文件扩展名
private String fileTypes = "gif,jpg,jpeg,xls";
//最大文件大小
private int maxSize = 1000000;
public static string virtualPath = "";
private string PicPath = WebConfigurationManager.AppSettings["PicPath"].ToString();
private HttpContext context;
private string imgSize = "";
private string picPath = "";
private string origImg = "";
//填充色
private string colorStr = "";
public void ProcessRequest(HttpContext context)
{
this.context = context;
//验证是否登陆
//if (SessionState.UserID <= 0 ||
// string.IsNullOrEmpty(SessionState.Account) ||
// SessionState.CurrentRoleID <= 0
// ) return;
//删除放弃的已上传文件
if (origImg.IndexOf("/UpLoad") > 0)
{
origImg = origImg.Substring(origImg.IndexOf("/UpLoad"));
}
if (File.Exists(context.Server.MapPath(origImg)))
{
File.Delete(context.Server.MapPath(origImg));
}
HttpPostedFile imgFile = context.Request.Files[0];
if (imgFile == null)
{
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