.NETCore MVC 上传图片

1，前台JavaScript

 1  function uploadImg() {
 2             var formDate = new FormData();
 3             var files = $("#image").get(0).files;
 4             //拼接请求参数
 5             formDate.append("image", files[0]);
 6             //如果有其他参需要一起提交到后台
 7             //formDate.append("location", location);
 8             $.ajax({
 9                 type: "POST",
10                 url: "UploadImage",
11                 contentType: false,
12                 cache: false,
13                 processData: false,
14                 data: formDate,
15                 error: function (request) {
16 
17                 },
18                 success: function (data) {
19                     $('#content').val(data);
20                 }
21             });
22         }

2，后台C#代码

 1         /// <summary>
 2         /// 图片上传
 3         /// </summary>
 4         /// <returns></returns>
 5         public string UploadImage()
 6         {
 7             var files = Request.Form.Files;
 8             if (files.Count == 0)
 9             {
10                 return "File does not exist!";
11             }
12             var file = files[0];
13             string fileName = file.FileName;
14             if (string.IsNullOrEmpty(fileName))//服务器是否存在该文件
15             {
16                 return "File does not exist!";
17             }
18             // 获取上传的图片名称和扩展名称
19             string fileFullName = Path.GetFileName(file.FileName);
20             string fileExtName = Path.GetExtension(fileFullName);
21             var fileExtNames = _Configuration["FileExtName"].Split(',');
22             if (!fileExtNames.Contains(fileExtName))
23             {
24                 return "File type error!";
25             }
26             //获取当前项目所在的物流路径
27             string imgPath = _Configuration["ImgPath"];
28             var newPath = fileFullName.Substring(0, fileFullName.IndexOf(fileExtName)) + System.DateTime.UtcNow.Ticks + fileExtName;
29             var src = imgPath + newPath;
30 
31             // 如果目录不存在则要先创建
32             if (!Directory.Exists(imgPath))
33             {
34                 Directory.CreateDirectory(imgPath);
35             }
36             using (FileStream fs = System.IO.File.Create(src))
37             {
38                 file.CopyTo(fs);
39                 fs.Flush();
40             }
41             return newPath;
42         }

3，appsettings.json

 1 {
 2   "Logging": {
 3     "LogLevel": {
 4       "Default": "Information",
 5       "Microsoft": "Warning",
 6       "Microsoft.Hosting.Lifetime": "Information"
 7     }
 8   },
 9   "AllowedHosts": "*",
10   "ImgPath": "D:\\Work\\Global Quality\\Morningstar.EquityFundamentals\\Morningstar.EquityFundamentals.WebApi\\wwwroot\\images\\",
11   "FileExtName": ".jpg,.png,.bmp"
12 }

效果：