101 lines
3.0 KiB
C#
101 lines
3.0 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.IO;
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using System.Linq;
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using System.Web;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using Utils;
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using Utils.ImageUtils;
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public partial class mulUploadImg : System.Web.UI.Page
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{
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public static string dPath = ConfigurationManager.AppSettings["dPath"];
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private void conSuc(string msg)
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{
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Response.Write("{\"res\":\"1\",\"msg\":\"" + msg + "\"}");
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//Response.End();
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}
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private void conErc(string msg)
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{
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Response.Write("{\"res\":\"0\",\"msg\":\"" + msg + "\"}");
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//Response.End();
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}
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public static string GenerateStringID()
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{
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long i = 1;
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foreach (byte b in Guid.NewGuid().ToByteArray())
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{
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i *= ((int)b + 1);
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}
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return string.Format("{0:x}", i - DateTime.Now.Ticks);
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}
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protected void Page_Load(object sender, EventArgs e)
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{
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if (Request.Files.Count < 1)
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{
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conErc("空文件!");
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return;
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}
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try
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{
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string ut = Request.QueryString["ut"];
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HttpPostedFile postFile = Request.Files[0];
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if (postFile != null)
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{
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string errMsg = "";
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if (ut != "fp")
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{
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if (!CheckImage(postFile, out errMsg))
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{
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Response.Write("{\"res\":\"0\",\"msg\":\"不是有效的图片文件!\"}");
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Response.End();
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return;
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}
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}
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//using (System.Drawing.Image imgThumb = System.Drawing.Image.FromStream(postFile.InputStream))
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//{
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// result = ImageMaker.ToThumbnailImages(imgThumb, saveFile, 400, "", 9, 3);
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//}
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string sPath = Path.Combine(dPath, ut);
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if (!Directory.Exists(sPath)) Directory.CreateDirectory(sPath);
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string fName = GenerateStringID() + Path.GetExtension(postFile.FileName);
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string saveFile = Path.Combine(sPath, fName);
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//上传文件
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postFile.SaveAs(saveFile);
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//conSuc(fName);
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Response.Write("{\"res\":\"1\",\"msg\":\"上传成功！\",\"fn\":\"" + fName + "\"}");
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return;
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}
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}
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catch (Exception ex)
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{
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conErc("发生错误!" + CommonHelper.FormatTextArea(ex.Message));
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return;
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}
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conErc("无法上传");
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}
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public static bool CheckImage(HttpPostedFile postedFile, out string errMsg)
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{
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errMsg = "";
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if (postedFile == null || postedFile.FileName == "")
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{
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errMsg = "请选择要上传的图片";
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return false;
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}
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if (postedFile.ContentLength > 83886080)
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{
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errMsg = "上传的图片大小不允许超过80MB";
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return false;
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}
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return true;
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}
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} |