public async Task <IActionResult> Upload(uploadFile data)
{
var result = new ResultModel();
if (!ModelState.IsValid)
{
Console.WriteLine("error");
result.IsSuccess = false;
//result.Message = ModelState.Values();
//return result;
var error = ModelState.Values.Where(a => a.Errors.Count() > 0).SelectMany(a => a.Errors).Select(a => a.ErrorMessage).ToList();
var errorStr = error[0].ToString();
var sb = new StringBuilder();
TempData["result"] = data.file.FileName + "<a href=上傳失敗>" + errorStr;
return(RedirectToAction("ImportExcel"));
}
data.folder = "uploadFile";
result = _uploadHelper.UploadData(data);
if (result.IsSuccess)
{
TempData["result"] = data.file.FileName + "<a href=上傳成功>";
}
else
{
TempData["result"] = data.file.FileName + "上傳失敗";
}
return(RedirectToAction("ImportExcel"));
}
/// <summary>
/// 上传文件
/// </summary>
/// <returns></returns>
public JsonResult ExportFile()
{
uploadFile _uploadFile = new uploadFile();
try
{
var file = Request.Files[0]; //获取选中文件
var filecombin = file.FileName.Split('.');
if (file == null || string.IsNullOrEmpty(file.FileName) || file.ContentLength == 0 || filecombin.Length < 2)
{
_uploadFile.code = -1;
_uploadFile.src = "";
_uploadFile.msg = "上传出错!请检查文件名或文件内容";
return(Json(_uploadFile));
}
//定义本地路径位置
string localPath = Server.MapPath("~/Upload/img/");
string filePathName = string.Empty;
string tmpName = Server.MapPath("~/Upload/img/");
var tmp = file.FileName;
var tmpIndex = 0;
//判断是否存在相同文件名的文件 相同累加1继续判断
while (System.IO.File.Exists(tmpName + tmp))
{
tmp = filecombin[0] + "_" + ++tmpIndex + "." + filecombin[1];
}
//不带路径的最终文件名
filePathName = tmp;
if (!System.IO.Directory.Exists(localPath))
{
System.IO.Directory.CreateDirectory(localPath);
}
file.SaveAs(Path.Combine(tmpName, filePathName)); //保存图片（文件夹）
_uploadFile.code = 0;
_uploadFile.src = Path.Combine("/Upload/img/", filePathName); //name = Path.GetFileNameWithoutExtension(file.FileName), // 获取文件名不含后缀名
_uploadFile.msg = "上传成功";
//{
// "code": 0 //0表示成功，其它失败
// ,"msg": "" //提示信息 //一般上传失败后返回
// ,"data": {
// "src": "图片路径"
// ,"title": "图片名称" //可选
// }
//}
return(Json(_uploadFile));
}
catch (Exception)
{
return(Json(_uploadFile, JsonRequestBehavior.AllowGet));
}
}
public async Task <ResultModel> UploadPhoto([FromForm] uploadPhoto data)
{
var result = new ResultModel();
var uploadFile = new uploadFile();
uploadFile.files = data.files;
//uploadFile.folder = _config["userPhotoUploadFolder"];
uploadFile.folder = data.folder;
var uploadResult = _uploadHelper.UploadData(uploadFile);
return(uploadResult);
}
public JsonResult Post()
{
uploadFile _uploadFile = new uploadFile();
try
{
//获取文件
var file = Request.Form.Files[0];
//获取文件名称
var filecombin = file.FileName.Split('.');
//判断文件是否为空
if (file == null || string.IsNullOrEmpty(file.Name) || file.Length == 0 || filecombin.Length < 2)
{
_uploadFile.code = -1;
_uploadFile.data = new { src = "" };
_uploadFile.msg = "上传错误,请上传正确信息~";
return(Json(_uploadFile));
}
string filePathName = string.Empty;
//获取文件的绝对路径
string loaclPath = Directory.GetCurrentDirectory() + "/wwwroot/Upload/img";
string tempName = Directory.GetCurrentDirectory() + "/wwwroot/Upload/img";
//获取文件名称
var tmp = file.FileName;
var tempIndex = 0;
while (Directory.Exists(tempName + tmp))
{
tmp = filecombin[0] + "_" + ++tempIndex + "." + filecombin[1];
}
filePathName = tmp;
if (!Directory.Exists(loaclPath))
{
Directory.CreateDirectory(loaclPath);
}
//写入文件 将文件复制到文件流保存
using (var fs = new FileStream(Path.Combine(tempName, filePathName), FileMode.Create))
{
fs.Flush();
file.CopyTo(fs);
}
_uploadFile.code = 0;
_uploadFile.data = new { src = Path.Combine("/Upload/img/", filePathName) }; //name = Path.GetFileNameWithoutExtension(file.FileName), // 获取文件名不含后缀名
_uploadFile.msg = "上传成功";
return(Json(_uploadFile.data));
//return Json("123");
}
catch (Exception)
{
return(Json(_uploadFile));
}
}
public ResultModel UploadData(uploadFile uploadData)
{
var result = new ResultModel();
List <string> fileNames = new List <string>();
if (uploadData.files.Count() <= 0)
{
return(null);
}
string path = System.IO.Path.Combine(_env.WebRootPath, uploadData.folder);
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
foreach (var file in uploadData.files)
{
var fileName = DateTime.Now.ToString("yyyyMMdd") + "_" + DateTime.Now.Ticks + Path.GetExtension(file.FileName).ToLower();
var filePath = Path.Combine(path, fileName);
try
{
using (var stream = new FileStream(filePath, FileMode.Create))
{
file.CopyTo(stream);
fileNames.Add(fileName);
}
}
catch (Exception e)
{
result.IsSuccess = false;
result.Message = "上傳失敗";
return(result);
}
}
result.IsSuccess = true;
result.Message = "上傳成功";
result.Data = fileNames;
return(result);
}
