public async Task <IActionResult> EditAdminUser(AdminUserFormModel model, IFormFile headImg)
{
string headImgUrl = string.Empty;
if (headImg?.Length > 1024 * 1024)
{
return(Json(new ResultModel((int)HttpStatusCode.BadRequest, "上传的图片不能超过1MB", null)));
}
else if (headImg?.Length > 0)
{
//判断文件格式
string[] extArr = { ".jpg", ".png", ".gif", ".jpeg" };
string fileExt = Path.GetExtension(headImg.FileName);
if (!extArr.Contains(fileExt))
{
return(Json(new ResultModel((int)HttpStatusCode.BadRequest, "选择的图片中包含不支持的格式", null)));
}
//计算文件的MD5值并拼接文件路径
string fileMd5 = GetMd5Hash(headImg.OpenReadStream());
string fileName = $"{fileMd5}{fileExt}";
DateTime now = DateTime.Now;
string fullPath = $"/uploadFile/{now.Year}/{now.Month}/{now.Day}/{fileName}";
//文件上传至又拍云中
UpYun upYun = new UpYun
{
Operator = "rentalsite",
Password = "******"
};
byte[] fileByteArr = StreamToBytes(headImg.OpenReadStream()); //Stream转换byte[]
bool isOK = await upYun.WriteFileAsync(fileByteArr, fullPath);
if (!isOK)
{
return(Json(new ResultModel((int)HttpStatusCode.BadRequest, "文件上传失败", null)));
}
headImgUrl = $"https://aspnetweb.b0.upaiyun.com{fullPath}";
}
model.HeadImgUrl = headImgUrl;
string json = await PutAsync(model, _urlSettings.AdminUser.EditAdminUser);
Response.StatusCode = JsonConvert.DeserializeObject <ResultModel>(json).Status;
return(Content(json, "application/json", Encoding.UTF8));
}
/// <summary>
/// 文件上传
/// </summary>
/// <param name="stream">文件流</param>
/// <param name="ext">文件扩展名</param>
/// <returns>是否上传成功;文件路径</returns>
public static async Task <(bool, string)> FileUpload(byte[] buffer, string ext)
{
UpYun upYun = new UpYun
{
Operator = "rentalsite",
Password = "******"
};
//计算文件的MD5值并拼接文件路径
string fileMd5 = GetMd5Hash(buffer);
string fileName = $"{fileMd5}{ext}";
DateTime now = DateTime.Now;
string fullPath = $"/uploadFile/{now.Year}/{now.Month}/{now.Day}/{fileName}";
//文件上传至又拍云中
bool isOK = await upYun.WriteFileAsync(buffer, fullPath);
return(isOK, fullPath);
}
