public override void OnException(HttpActionExecutedContext actionExecutedContext)
{
UnifiedResultEntity <string> model = new UnifiedResultEntity <string>();
model.msg = 0;
model.msgbox = actionExecutedContext.Exception.Message;
model.data = "";
actionExecutedContext.Response = actionExecutedContext.Request.CreateResponse(HttpStatusCode.OK, model);
base.OnException(actionExecutedContext);
}
/// <summary>
/// 上传文件-处理base64位图片数据的方法
/// </summary>
/// <param name="base64"></param>
/// <param name="save_path"></param>
/// <returns></returns>
public UnifiedResultEntity <string> Upload_For_Base64Data(string base64, string ServerPath)
{
UnifiedResultEntity <string> response_entity = new UnifiedResultEntity <string>();
response_entity.msg = 0;
if (string.IsNullOrWhiteSpace(base64) || string.IsNullOrWhiteSpace(ServerPath))
{
response_entity.msgbox = "缺少参数";
return(response_entity);
}
//保存的绝对路径，不包含文件名
string filepath_no_name = IOHelper.GetMapPath(ServerPath);
try
{
string guid = Guid.NewGuid().ToString();
string saveName = guid;// +".JPG"; // 保存文件名称
string file_ext = "";
string file_path = IOHelper.Base64ToImgSave(base64, ServerPath, saveName, out file_ext);
if (string.IsNullOrWhiteSpace(file_path) || string.IsNullOrWhiteSpace(file_ext))
{
response_entity.msgbox = "文件保存失败";
return(response_entity);
}
saveName = saveName + "." + file_ext;
//保存后文件的绝对路径，包括文件名
string filePath = IOHelper.GetMapPath(file_path);
//获取MD5值
string md5 = IOHelper.GetMD5HashFromFile(filePath);
if (System.IO.File.Exists(filepath_no_name + md5 + "." + file_ext))
{
System.IO.File.Delete(filePath); //把刚刚上传的给删掉，只用原有的文件
}
else //不存在，改名为md5值保存
{
System.IO.File.Move(filePath, filepath_no_name + md5 + "." + file_ext); //给文件改名
}
response_entity.msg = 1;
response_entity.msgbox = "上传成功";
response_entity.data = ServerPath + md5 + "." + file_ext;
return(response_entity);
}
catch (Exception ex)
{
response_entity.msgbox = ex.Message;
return(response_entity);
}
}
public override void OnException(HttpActionExecutedContext actionExecutedContext)
{
//异常信息
string error_msg = actionExecutedContext.Exception.Message;
ExceptionInDB.ToInDB(actionExecutedContext.Exception);
UnifiedResultEntity <string> model = new UnifiedResultEntity <string>();
model.msgbox = error_msg;
actionExecutedContext.Response = actionExecutedContext.Request.CreateResponse(HttpStatusCode.OK, model);
base.OnException(actionExecutedContext);
}
/// <summary>
/// 取消请求
/// </summary>
/// <param name="request"></param>
/// <param name="cancellationToken"></param>
/// <param name="message"></param>
/// <returns></returns>
private Task <HttpResponseMessage> requestCancel(HttpRequestMessage request, System.Threading.CancellationToken cancellationToken, string message)
{
UnifiedResultEntity <bool> result = new UnifiedResultEntity <bool>();
result.msgbox = message;
CancellationTokenSource _tokenSource = new CancellationTokenSource();
cancellationToken = _tokenSource.Token;
_tokenSource.Cancel();
HttpResponseMessage response = new HttpResponseMessage();
response = request.CreateResponse(HttpStatusCode.Unauthorized);
response.Content = new StringContent(Tools.JsonHelper.ToJson(result), Encoding.GetEncoding("UTF-8"), "application/json");
return(base.SendAsync(request, cancellationToken).ContinueWith(task =>
{
return response;
}));
}
/// <summary>
/// 附件上传
/// </summary>
/// <param name="fileData">/uploads/avatar/ 结尾必须有“/”</param>
/// <param name="ServerPath">保存的文件地址相对路径</param>
/// <param name="IsThumb">是否生成缩略图</param>
/// <returns></returns>
public UnifiedResultEntity <String> Upload(HttpPostedFileBase fileData, string ServerPath, bool IsThumb = true)
{
UnifiedResultEntity <string> response_entity = new UnifiedResultEntity <string>();
response_entity.msg = 0;
if (fileData == null)
{
response_entity.msgbox = "请选择要上传的文件";
return(response_entity);
}
//保存的目录
string filePath = IOHelper.GetMapPath(ServerPath);
if (!Directory.Exists(filePath))
{
Directory.CreateDirectory(filePath);
}
try
{
//int file_size = fileData.ContentLength; //获取文件大小 KB
string fileExt = IOHelper.GetFileExt(fileData.FileName).ToLower(); //文件扩展名，不含“.”
//if (!CheckFileExt("*." + fileExt, file_type))
//{
// response_entity.msgbox = "非法的文件格式";
// return response_entity;
//}
//if (!CheckFileSize(fileExt, file_size,file_type))
//{
// response_entity.msgbox = "文件大小超出限制";
// return response_entity;
//}
string guid = Guid.NewGuid().ToString();
string saveName = guid + "." + fileExt; // 保存文件名称
fileData.SaveAs(filePath + saveName);
//if (file_type == SiteEnums.UploadType.image)
//{
//如果是上传图片
//if (file_size > SiteConfig.ImgSize * 1024)
//{
// //如果超出了限制，则进行压缩
// ImgThumbnail ya = new ImgThumbnail();
// //获取图片的宽高
// Hashtable hash =IOHelper.GetImageWidthHeight(filePath + saveName);
// //临时文件名
// string saveTempName = guid+"_temp."+fileExt;
// if (ya.Thumbnail(filePath + saveName, filePath + saveTempName, TypeHelper.ObjectToInt(hash["w"]), TypeHelper.ObjectToInt(hash["h"]), 20, ImgThumbnail.ImgThumbnailType.H))
// {
// //压缩成功,删掉大文件
// IOHelper.DeleteIOFile(filePath + saveName);
// saveName = saveTempName;//把文件指向新压缩的文件
// }
// else
// {
// response_entity.msgbox = "图片太大，压缩失败";
// return response_entity;
// }
//}
//}
//获取MD5值
string md5 = IOHelper.GetMD5HashFromFile(filePath + saveName);
if (System.IO.File.Exists(filePath + md5 + "." + fileExt))
{
System.IO.File.Delete(filePath + saveName); //把刚刚上传的给删掉，只用原有的文件
}
else //不存在，改名为md5值保存
{
System.IO.File.Move(filePath + saveName, filePath + md5 + "." + fileExt); //给文件改名
}
//if (IsThumb)
//{
// string[] img_arr = { "jpg", "jpeg", "bmp", "png" };
// if (img_arr.Contains(fileExt))
// {
// //如果是图片，就压缩
// IOHelper.GenerateThumb_ME(IOHelper.GetMapPath(ServerPath + md5 + "." + fileExt));
// }
//}
response_entity.msg = 1;
response_entity.msgbox = "上传成功";
response_entity.data = ServerPath + md5 + "." + fileExt;
return(response_entity);
}
catch (Exception ex)
{
response_entity.msgbox = ex.Message;
return(response_entity);
}
}
/// <summary>
/// 压缩包上传
/// </summary>
/// <param name="fileData"></param>
/// <param name="ServerPath"></param>
/// <returns></returns>
public UnifiedResultEntity <string> Upload_Zip(HttpPostedFileBase fileData, string ServerPath)
{
UnifiedResultEntity <string> response_entity = new UnifiedResultEntity <string>();
response_entity.msg = 0;
if (fileData == null)
{
response_entity.msgbox = "请选择要上传的文件";
return(response_entity);
}
//保存的目录
string filePath = IOHelper.GetMapPath(ServerPath);
if (!Directory.Exists(filePath))
{
Directory.CreateDirectory(filePath);
}
try
{
int file_size = fileData.ContentLength; //获取文件大小 KB
string fileExt = IOHelper.GetFileExt(fileData.FileName); //文件扩展名，不含“.”
//if (!CheckFileExt("*." + fileExt, SiteEnums.UploadType.zip))
//{
// response_entity.msgbox = "只允上传*.zip格式的文件";
// return response_entity;
//}
//if (!CheckFileSize(fileExt, file_size, SiteEnums.UploadType.zip))
//{
// response_entity.msgbox = "文件大小超出限制";
// return response_entity;
//}
string saveName = Guid.NewGuid().ToString() + "." + fileExt; // 保存文件名称
fileData.SaveAs(filePath + saveName);
string md5 = IOHelper.GetMD5HashFromFile(filePath + saveName);
if (Directory.Exists(filePath + md5 + "/"))
{
System.IO.File.Delete(filePath + saveName); //把刚刚上传的给删掉，使用原来解压的文件
}
else //不存在，改名为md5值保存
{
Directory.CreateDirectory(filePath + md5 + "/"); //创建解压后保存的目录
System.IO.File.Move(filePath + saveName, filePath + md5 + "." + fileExt); //给文件改名
try
{
//解压操作
string glassDir = filePath;
FastZip fastZip = new FastZip();
fastZip.ExtractZip(filePath + md5 + "." + fileExt, filePath + md5 + "/", string.Empty);
}
catch
{
//删除刚刚创建的目录
Directory.Delete(filePath + md5 + "/");
response_entity.msgbox = "解压失败";
return(response_entity);
}
}
System.IO.File.Delete(filePath + md5 + "." + fileExt); //把刚刚上传的ZIP文件给删掉
response_entity.msg = 1;
response_entity.msgbox = "上传成功";
response_entity.data = ServerPath + md5 + "/";
return(response_entity);
}
catch (Exception ex)
{
response_entity.msgbox = ex.Message;
return(response_entity);
}
}
