public UploadFileOutput UploadWithStream()
{
System.Web.HttpContext context = System.Web.HttpContext.Current;
UploadFileOutput returnNode = new UploadFileOutput();
string date = DateTime.Now.Year.ToString() + DateTime.Now.Month.ToString() + DateTime.Now.Day.ToString();
int cout = context.Request.Files.Count;
if (cout > 0)
{
System.Web.HttpPostedFile hpf = context.Request.Files[0];
if (hpf != null)
{
string fileExt = Path.GetExtension(hpf.FileName).ToLower();
//只能上传文件，过滤不可上传的文件类型
//string fileFilt = ".gif|.jpg|.bmp|.jpeg|.png";
//if (fileFilt.IndexOf(fileExt) <= -1)
//{
// return "1";
//}
//判断文件大小
int length = hpf.ContentLength;
if (length > 16240000)
{
returnNode.error = 2;
returnNode.msg = "文件大小超出限制";
return(returnNode);
}
if (localPath.Trim().Length == 0)
{
localPath = System.Web.HttpContext.Current.Server.MapPath("/");
}
DateTime dt = DateTime.Now;
string folderPath = dt.Year + "\\" + dt.Month + "\\" + dt.Day + "\\";
string serverFolderPath = "/" + dt.Year + "/" + dt.Month + "/" + dt.Day + "/";
if (Directory.Exists(localPath + folderPath) == false)//如果不存在就创建file文件夹
{
Directory.CreateDirectory(localPath + folderPath);
}
string fileName = System.Guid.NewGuid().ToString() + Path.GetExtension(hpf.FileName);
string filePath = localPath + folderPath + fileName;
hpf.SaveAs(filePath);
returnNode.error = 0;
returnNode.msg = "上传成功";
returnNode.url = serverPath + serverFolderPath + fileName;
return(returnNode);
}
}
returnNode.error = 3;
returnNode.msg = "没有获取到文件";
return(returnNode);
}
public UploadFileOutput UploadWithBase64(FileBase64Input input)
{
UploadFileOutput returnNode = new UploadFileOutput();
try
{
if (input == null || string.IsNullOrWhiteSpace(input.base64))
{
returnNode.error = 3;
returnNode.msg = "没有获取到文件";
return(returnNode);
}
string[] array = input.base64.Split(',');
if (array.Length == 2)
{
input.base64 = array[1];
}
byte[] fileBytes = Convert.FromBase64String(input.base64);
if (fileBytes == null)
{
returnNode.error = 3;
returnNode.msg = "Base64解析错误";
return(returnNode);
}
//判断文件大小
int length = fileBytes.Length;
if (length > 16240000)
{
returnNode.error = 2;
returnNode.msg = "文件大小超出限制";
return(returnNode);
}
if (localPath.Trim().Length == 0)
{
localPath = System.Web.HttpContext.Current.Server.MapPath("/");
}
DateTime dt = DateTime.Now;
string folderPath = dt.Year + "\\" + dt.Month + "\\" + dt.Day + "\\";
string serverFolderPath = "/" + dt.Year + "/" + dt.Month + "/" + dt.Day + "/";
if (Directory.Exists(localPath + folderPath) == false)//如果不存在就创建file文件夹
{
Directory.CreateDirectory(localPath + folderPath);
}
string fileType = ".jpg";
string fileName = System.Guid.NewGuid().ToString() + fileType;
string filePath = localPath + folderPath + fileName;
FileStream fs = new FileStream(filePath, FileMode.Create);
//将byte数组写入文件中
fs.Write(fileBytes, 0, fileBytes.Length);
//所有流类型都要关闭流，否则会出现内存泄露问题
fs.Close();
returnNode.error = 0;
returnNode.msg = "上传成功";
returnNode.url = serverPath + serverFolderPath + fileName;
return(returnNode);
}
catch (Exception ex)
{
returnNode.error = 1;
returnNode.msg = ex.Message;//文件上传失败
}
return(returnNode);
}