private void UploadImage()
{
//上传配置
//String pathbase = UploadPath +string.Format("/{0}/", CurrentUser.ID); //保存路径
String pathbase = UploadPath; //保存路径
string[] filetype = { ".gif", ".png", ".jpg", ".jpeg", ".bmp" }; //文件允许格式
int size = 1024; //文件大小限制，单位KB
//文件上传状态,初始默认成功，可选参数{"SUCCESS","ERROR","SIZE","TYPE"}
String filename = String.Empty;
String currentType = String.Empty;
String uploadpath = String.Empty;
uploadpath = Server.MapPath(pathbase);
try {
HttpPostedFile uploadFile = Request.Files[0];
title = uploadFile.FileName;
//目录验证
if (!Directory.Exists(uploadpath)) {
Directory.CreateDirectory(uploadpath);
}
if (!Directory.Exists(uploadpath + "/120x120/")) {
Directory.CreateDirectory(uploadpath + "/120x120/");
}
//格式验证
string[] temp = title.Split('.');
currentType = "." + temp[temp.Length - 1];
if (Array.IndexOf(filetype, currentType) == -1) {
state = "TYPE";
}
//大小验证
if (uploadFile.ContentLength / 1024 > size) {
state = "SIZE";
}
//保存图片
if (state == "SUCCESS") {
filename = DateTime.Now.ToString("yyyyMMddHHmmssfff") + '-' + rnd.Next() + currentType;
uploadFile.SaveAs(uploadpath + filename);
Xy.Tools.ImageHandler _IH = new Xy.Tools.ImageHandler(title, uploadFile.InputStream);
_IH.GetImage(120, 120, Xy.Tools.ImageHandler.ResizeType.stretch, Xy.Tools.ImageHandler.ResizeType.ignore);
_IH.Save(uploadpath + "/120x120/" + filename);
url = pathbase + filename;
}
} catch (Exception ex) {
state = "ERROR";
error = ex.Message;
}
//获取图片描述
if (Request.Form["pictitle"] != null) {
if (!String.IsNullOrEmpty(Request.Form["pictitle"])) {
title = Request.Form["pictitle"];
}
}
url = url.Replace("../", "");
returnString = "{'url':'" + url + "','title':'" + title + "','state':'" + state + "'" + (String.IsNullOrEmpty(error) ? String.Empty : (",'error':'" + error + "'").Replace(Environment.NewLine, String.Empty)) + "}";
}
public override void ValidateUrl()
{
Xy.Tools.ImageHandler _IH = null;
string UploadPath = "/Upload/";
string currentType = string.Empty;
if (!string.IsNullOrEmpty(Request.QueryString["path"])) {
UploadPath += Request.QueryString["path"] + "/";
}
try {
// Get the data
HttpPostedFile upload_file = Request.Files["Filedata"];
_IH = new Xy.Tools.ImageHandler(upload_file.FileName, upload_file.InputStream);
string fileName = DateTime.Now.ToString("yyyyMMddHHmmssfff") + '-' + rnd.Next() + _IH.Type;
string relativepath, saveFolder;
switch (_IH.Type) {
case ".jpg":
case ".jpeg":
case ".bmp":
case ".png":
case ".gif":
relativepath = UploadPath + "/original/";
saveFolder = Server.MapPath(relativepath);
if (!System.IO.Directory.Exists(saveFolder)) {
System.IO.Directory.CreateDirectory(saveFolder);
}
_IH.Save(saveFolder + fileName);
int target_width, target_height;
Xy.Tools.ImageHandler.ResizeType target_width_resize, target_height_resize;
if (!string.IsNullOrEmpty(Request.QueryString["Thumbnail"])) {
string[] sizes = Request.QueryString["Thumbnail"].Split(',');
for (int i = 0; i < sizes.Length; i++) {
target_width = target_height = 0; target_width_resize = target_height_resize = 0;
string[] size = sizes[i].Split('|');
string[] types;
for (int j = 0; j < 4; j++) {
switch (j) {
case 0:
target_width = Convert.ToInt32(size[j]);
break;
case 1:
target_height = Convert.ToInt32(size[j]);
break;
case 2:
types = size[j].Split('&');
foreach (string type in types) {
target_width_resize = target_width_resize | (Xy.Tools.ImageHandler.ResizeType)Convert.ToInt32(type);
}
break;
case 3:
types = size[j].Split('&');
foreach (string type in types) {
target_height_resize = target_height_resize | (Xy.Tools.ImageHandler.ResizeType)Convert.ToInt32(type);
}
break;
}
}
_IH.GetImage(target_width, target_height, target_width_resize, target_height_resize);
relativepath = UploadPath + string.Format("/{0}x{1}/", target_width, target_height);
saveFolder = Server.MapPath(relativepath);
if (!System.IO.Directory.Exists(saveFolder)) {
System.IO.Directory.CreateDirectory(saveFolder);
}
_IH.Save(saveFolder + fileName);
//returnString += "?" + relativepath + fileName;
}
}
break;
default:
relativepath = UploadPath + "/other/";
saveFolder = Server.MapPath(relativepath);
if (!System.IO.Directory.Exists(saveFolder)) {
System.IO.Directory.CreateDirectory(saveFolder);
}
upload_file.SaveAs(saveFolder + fileName);
break;
}
returnString = fileName;
Response.StatusCode = 200;
} catch (Exception ex) {
if (string.IsNullOrEmpty(returnString)) {
//Response.StatusCode = 500;
returnString = "Error: " + ex.Message;
}
} finally {
// Clean up
if (_IH != null) _IH.Dispose();
Response.Write(returnString);
}
}
