public async Task <IActionResult> Upload2([FromForm] IFormCollection forms)
{
StringValues pid = "";
StringValues userID = "";
StringValues information = "";
StringValues sPrice = "";
//需要绑定图片名和图片id
StringValues[] temp = { "", "", "" };
string[] thagTag = { "tag", "tag1", "tag2" };
//int[5] a;
for (int i = 0; i < 3; ++i)
{
forms.TryGetValue(thagTag[i], out temp[i]);
}
forms.TryGetValue("userId", out userID);
forms.TryGetValue("pictureId", out pid);
forms.TryGetValue("p_info", out information);
forms.TryGetValue("price", out sPrice);
int prices = int.Parse(sPrice);
var LiPicture = context.picture.FirstOrDefault(s => s.p_id == pid);
LiPicture.price = prices;
LiPicture.p_info = information;
context.picture.Attach(LiPicture);
for (int i = 0; i < 3; ++i)
{
var tagPicture = new ownTag
{
p_id = pid,
tag_name = temp[i]
};
context.ownTag.Add(tagPicture);
}
return(Ok(new
{
Success = true,
ownTag = temp,
price = prices,
p_info = information
}));
}
public async Task <IActionResult> Upload([FromForm] IFormCollection forms)
{
//只选取文件
FormFileCollection Lifile = (FormFileCollection)forms.Files;
//需要绑定图片名和图片id
StringValues[] temp = { "", "", "" };
string[] thagTag = { "tag", "tag1", "tag2" };
//int[5] a;
for (int i = 0; i < 3; ++i)
{
forms.TryGetValue(thagTag[i], out temp[i]);
}
StringValues information = "";
forms.TryGetValue("p_Info", out information);
StringValues userID = "";
forms.TryGetValue("userId", out userID);
StringValues price = "";
forms.TryGetValue("price", out price);
string tempsd = price;
int Prices = int.Parse(tempsd);
var files = Request.Form.Files;
long size = files.Sum(f => f.Length);
//size > 100MB refuse upload !
if (size > 104857600)
{
return(Ok(new
{
Success = false,
Message = "pictures total size > 100MB , server refused !"
}));
}
List <string> filePathResultList = new List <string>();
//只能上传一张图片顺便贴标签
var file = files[0];
var fileName = ContentDispositionHeaderValue.Parse(file.ContentDisposition).FileName.Trim('"');
//@
string filePath = "C:" + @"\Pics\";
if (!Directory.Exists(filePath))
{
Directory.CreateDirectory(filePath);
}
string suffix = fileName.Split('.')[1];
//检查文件后缀名确保是图片而不是其他文件。
if (!pictureFormatArray.Contains(suffix))
{
return(Ok(new
{
Success = false,
Message = "the picture format not support ! you must upload files " +
"that suffix like 'png','jpg','jpeg','bmp','gif','ico'.",
Name = fileName
}));
}
//文件名命名？
//存取图片的时候以id为准
//context.picture.Count();
fileName = Guid.NewGuid() + "." + suffix;
string fileFullName = filePath + fileName;
int height = 0;
int width = 0;
await using (FileStream fs = System.IO.File.Create(fileFullName))
{
file.CopyTo(fs);
System.Drawing.Image image = System.Drawing.Image.FromStream(fs);
height = image.Height;
width = image.Width;
fs.Flush();
}
filePathResultList.Add($"/src/Pics/{fileName}");
string message = $"{files.Count} file(s) /{size} bytes uploaded successfully!";
//Json("tag1", temp[0].ToString());
string OwnTags = "tag1:" + temp[0].ToString() + ",tag2:" + temp[1].ToString() + ",tag3:" + temp[2].ToString();
//刷新为服务器的图片。
fileFullName = "http://172.81.239.44:8002/" + fileName;
picture tempPicture = new picture
{
p_id = (context.tableCount.Find(1).picture + 1).ToString(),
p_url = fileFullName,
p_info = information,//还是要能用http访问，不是https
p_height = height,
p_width = width,
p_status = "OK",//图片状态不确定。
price = Prices,
likes = 0,
dislikes = 0,
comm_num = 0
};
//添加图片数量
var tableCount = context.tableCount.Find(1);
tableCount.picture += 1;
context.tableCount.Attach(tableCount);
context.SaveChanges();
//承接前一步异步保存。
context.picture.Add(tempPicture);
await context.SaveChangesAsync();
//List<tag> contextTag = context.tag.ToList();
for (int i = 0; i < 3; ++i)
{
if (temp[i] != "")
{
tag isLegal = context.tag.FirstOrDefault(p => p.tag_name == temp[i]);
if (isLegal == null)
{
//表示这是用户新增的tag
isLegal = new tag
{
tag_name = temp[i]
};
//因为外码依赖要先增加tag
context.tag.Add(isLegal);
await context.SaveChangesAsync();
}
ownTag tempTag = new ownTag
{
p_id = tempPicture.p_id,
tag_name = temp[i]
};
context.ownTag.Add(tempTag);
}
}
await context.SaveChangesAsync();
publishPicture tempPublish = new publishPicture
{
u_id = userID,
p_id = tempPicture.p_id,
publish_time = DateTime.Now
};
context.publishPicture.Add(tempPublish);
await context.SaveChangesAsync();
return(Ok(new
{
Success = true,
Message = message,
PictureHeight = tempPicture.p_height,
PictureWidth = tempPicture.p_width,
Price = Prices,
PictureURL = tempPicture.p_url,
//fileList = filePathResultList,
OwnTag = OwnTags
}));
}