private void picchange(string file)
{
// file = @"D:\github\CarSystem\WebInfo\carImg\small\131\2017052406381964996.jpg";
if (!file.Contains("small"))
{
return;
}
file = file.Replace("small", "load");
if (!File.Exists(file))
{
return;
}
var fileName = file.Replace("load", "px640");
var fileName1 = file.Replace("load", "px270");
var imgserver = new ImageServer();
if (!File.Exists(fileName))
{
imgserver.MakeThumbnail(file, fileName, 640, 640, "W");
}
if (!File.Exists(fileName1))
{
imgserver.MakeThumbnail(file, fileName1, 270, 200, null);
}
}
private void AddImg(HttpContext context)
{
HttpFileCollection files = context.Request.Files;//这里只能用<input type="file" />才能有效果,因为服务器控件是HttpInputFile类型
string msg = string.Empty;
string error = string.Empty;
if (files.Count == 0)
{
return;
}
string filename = System.IO.Path.GetFileName(files[0].FileName);
string filepath = context.Server.MapPath("/") + "carimg\\load\\";
string filepath2 = context.Server.MapPath("/") + "carimg\\small\\";
string fileName = DateTime.Now.ToString("yyyyMMddHHmmssfff");
fileName += new Random().Next(99).ToString("00") + ".jpg";
if (!Directory.Exists(filepath))
{
Directory.CreateDirectory(filepath);
}
string sourfilepath = filepath + fileName;
files[0].SaveAs(sourfilepath);
var sourImg = System.Drawing.Image.FromFile(sourfilepath);
if (sourImg.Width > 2000 || sourImg.Height > 2000)
{
context.Response.Write("{\"Error\":\"图片太大，超过了 2000*2000\"}");
sourImg.Dispose();
File.Delete(sourfilepath);
return;
}
if (sourImg.Width < 600 || sourImg.Height < 450)
{
context.Response.Write("{\"Error\":\"图片太小了，最小宽度600px 最小高度 450px\"}");
if (File.Exists(sourfilepath))
{
sourImg.Dispose();
File.Delete(sourfilepath);
}
return;
}
//files[0].SaveAs(Server.MapPath("/") + System.IO.Path.GetFileName(files[0].FileName));
msg = " 成功! 文件大小为:" + files[0].ContentLength;
if (files[0].ContentLength > 1024 * 1024 * 5)
{
context.Response.Write("{\"Error\":\"上传文件最大为5m\"}");
File.Delete(sourfilepath);
return;
}
var imgserver = new ImageServer();
//imgserver.myGetThumbnailImage(sourfilepath, filepath1+ fileName, 700, 700, null);
imgserver.MakeThumbnail(sourfilepath, filepath2 + fileName, 94, 75, null);
context.Response.Write("{\"img\":\"/carimg/small/" + fileName + "\"}");
return;
}
private void AddImg(HttpContext context)
{
var files = context.Request.Files;//这里只能用<input type="file" />才能有效果,因为服务器控件是HttpInputFile类型
if (files.Count == 0 || context.Session["userid"] == null)
{
return;
}
var userid = context.Session["userid"].ToString();
string filepath = context.Server.MapPath("/") + "carimg\\load\\" + userid + "\\";
string filepath2 = context.Server.MapPath("/") + "carimg\\small\\" + userid + "\\";
string fileName = DateTime.Now.ToString("yyyyMMddHHmmssfff");
fileName += new Random().Next(99).ToString("00") + ".jpg";
if (!Directory.Exists(filepath))
{
Directory.CreateDirectory(filepath);
}
string sourfilepath = filepath + fileName;
files[0].SaveAs(sourfilepath);
var sourImg = System.Drawing.Image.FromFile(sourfilepath);
if (sourImg.Width > 2000 || sourImg.Height > 2000)
{
context.Response.Write("{\"Error\":\"图片太大，超过了 2000*2000\"}");
sourImg.Dispose();
File.Delete(sourfilepath);
return;
}
if (sourImg.Width < 400 || sourImg.Height < 400)
{
context.Response.Write("{\"Error\":\"图片太小了，最小宽度400px 最小高度 400px\"}");
sourImg.Dispose();
if (File.Exists(sourfilepath))
{
File.Delete(sourfilepath);
}
return;
}
//ImageServer.ImageWaterMarkPic(sourImg, "shuiyin.png", shuiyinpath + "shuiyin.png", 9, 50,3);
sourImg.Dispose();
//files[0].SaveAs(Server.MapPath("/") + System.IO.Path.GetFileName(files[0].FileName));
//msg = " 成功! 文件大小为:" + files[0].ContentLength;
if (files[0].ContentLength > 1024 * 1024 * 5)
{
context.Response.Write("{\"Error\":\"上传文件最大为5m\"}");
File.Delete(sourfilepath);
return;
}
if (context.Session["carimgs"] == null)
{
context.Session["carimgs"] = fileName;
}
else
{
context.Session["carimgs"] = context.Session["carimgs"] + ";" + fileName;
}
var imgserver = new ImageServer();
imgserver.MakeThumbnail(sourfilepath, filepath2 + fileName, 94, 75, null);
context.Response.Write("{\"img\":\"/carimg/small/" + userid + "/" + fileName + "\"}");
}