/// <summary>
/// 上传图片
/// </summary>
/// <returns></returns>
public async Task<IHttpActionResult> Post()
{
//如果不含文件就退出
if (!HttpContext.Current.Request.Files.AllKeys.Any())
{
return Json(new
{
Code = 1
});
}
var httpPostedFile = HttpContext.Current.Request.Files[0];
if (httpPostedFile == null)
{
return Json(new
{
Code = 1
});
}
BlobHelper blob = new BlobHelper(BlobString.Portrait);
string fileName = Guid.NewGuid().ToString();
blob.Upload( httpPostedFile, fileName);
bool isPicture = false;
switch(httpPostedFile.ContentType)
{
case "image/jpeg":
case "image/png":
isPicture = true;
break;
default:
break;
}
//插入数据库，如果是图像文件，生成缩略图，大图
DataBaseEntities db = new DataBaseEntities();
pm_Attach attach = new pm_Attach
{
AddDate = DateTime.Now,
AttachId = Guid.NewGuid().ToString(),
ContentType = httpPostedFile.ContentType,
IsPicture = isPicture,
VersionId = HttpContext.Current.Request.Form["versionid"],
Url = "http://hdy.awblob.com/portrait/" + fileName,
DisplayName = httpPostedFile.FileName
};
db.pm_Attach.Add(attach);
db.SaveChanges();
if (isPicture)
{
string fileSaveName = Guid.NewGuid() + ".jpg";
var fileOrginalFile = Path.Combine(HttpContext.Current.Server.MapPath("~/Upload"), fileSaveName);
httpPostedFile.SaveAs(fileOrginalFile);
string fileResized300Name = HttpContext.Current.Server.MapPath("~/upload/" + Guid.NewGuid().ToString() + ".jpg");
using (var imageFactory = new ImageFactory(preserveExifData: true))
{
System.Drawing.Size size = new System.Drawing.Size(300, 300);
ResizeLayer resize = new ResizeLayer(size, ResizeMode.Crop);
imageFactory.Load(fileOrginalFile).Resize(resize).Save(fileResized300Name);
}
await blob.UploadFile(fileResized300Name, fileName+"-preview", httpPostedFile.ContentType);
string fileResizedBigName = HttpContext.Current.Server.MapPath("~/upload/" + Guid.NewGuid().ToString() + ".jpg");
using (var imageFactory = new ImageFactory(preserveExifData: true))
{
System.Drawing.Size size = new System.Drawing.Size(800, 1600);
ResizeLayer resize = new ResizeLayer(size, ResizeMode.Max);
imageFactory.Load(fileOrginalFile).Resize(resize).Save(fileResizedBigName);
}
await blob.UploadFile(fileResizedBigName, fileName + "-big", httpPostedFile.ContentType);
}
// Get the uploaded image from the Files collection
return Json(new
{
Code = 10000,
Detail = "http://hdy.awblob.com/portrait/" + fileName
});
}
public async Task<IHttpActionResult> fileUpload()
{
//如果不含文件就退出
if (!HttpContext.Current.Request.Files.AllKeys.Any())
{
return Json(new
{
Code = 1
});
}
string fileName = Guid.NewGuid().ToString();
var httpPostedFile = HttpContext.Current.Request.Files[0];
if (httpPostedFile == null)
{
return Json(new
{
Code = 1
});
}
string fileExtension = System.IO.Path.GetExtension(HttpContext.Current.Request.Form["file"]).ToLower();
if (fileExtension == "")
{
fileExtension = ".jpg";
}
var fileOrginalFile = Path.Combine(HttpContext.Current.Server.MapPath("~/Upload"), fileName + fileExtension);
// Save the uploaded file to "UploadedFiles" folder
httpPostedFile.SaveAs(fileOrginalFile);
string fileResized300Name = HttpContext.Current.Server.MapPath("~/upload/" + Guid.NewGuid().ToString() + fileExtension);
using (var imageFactory = new ImageFactory(preserveExifData: true))
{
System.Drawing.Size size = new System.Drawing.Size(300, 300);
ResizeLayer resize = new ResizeLayer(size, ResizeMode.Crop);
imageFactory.Load(fileOrginalFile).Resize(resize).Save(fileResized300Name);
}
BlobHelper blob = new BlobHelper(BlobString.Portrait);
string contentType = "application/octet-stream";
switch (fileExtension)
{
case ".jpg":
case ".jpeg":
contentType = "image/jpeg";
break;
case ".png":
contentType = "image/png";
break;
default:
contentType = "application/octet-stream";
break;
}
await blob.UploadFile(fileResized300Name, fileName, contentType);
// Get the uploaded image from the Files collection
return Json(new
{
Code = 10000,
Detail = "http://hdy.awblob.com/portrait/" + fileName
});
}