private FileUploadReturnEntity CheckFileUploadParamEntity(FileUploadParamEntity param)
{
var entity = new FileUploadReturnEntity();
entity.IsComplete = true;
if (param.MaxLength <= 0)
{
param.MaxLength = CommonHelper.MaxResourceLength;
}
if (param.ResourceBuffer == null || param.ResourceBuffer.Length <= 0)
{
entity.IsComplete = false;
entity.ReturnMessage = "请選擇文件";
}
else if (string.IsNullOrEmpty(param.Ext))
{
entity.IsComplete = false;
entity.ReturnMessage = "请指定文件扩展名";
}
else if (CommonHelper.FileSizeIsOut(param.ResourceBuffer.Length.ToString().ToLong(), param.MaxLength))
{
entity.IsComplete = false;
entity.ReturnMessage = "文件超过最大限制";
}
//else if (param.ResourceTotalSize <= 0)
//{
// entity.IsComplete = false;
// entity.ReturnMessage = "请設置所上傳文件的總大小";
//}
return(entity);
}
private void button1_Click(object sender, EventArgs e)
{
OpenFileDialog fileDialog = new OpenFileDialog();
if (fileDialog.ShowDialog() == DialogResult.OK)
{
var fileName = fileDialog.FileName;
FileInfo fileInfo = new FileInfo(fileName);
if (fileInfo.Exists)
{
var datas = fileName.ReadFile();
var param = new FileUploadParamEntity
{
Ext = Path.GetExtension(fileName).Replace(".", ""),
UploadDir = string.Format(@"Test\{0}", DateTime.Now.ToString("yyyyMMdd")),
ResourceBuffer = datas,
ResourceTotalSize = datas.Length,
MaxLength = 5 * 1024 * 1024
};
var result = ServiceProxy.GetService <IFileProcessService>().FileUpload(param);
if (result.IsComplete)
{
MessageBox.Show("上傳成功！");
}
else
{
MessageBox.Show(result.ReturnMessage);
}
}
}
}
internal FileUploadReturnEntity FileDel(FileUploadParamEntity param)
{
var entity = new FileUploadReturnEntity();
if (string.IsNullOrEmpty(param.ResourceUrl))
{
entity.IsComplete = false;
entity.ReturnMessage = "请提供文件路徑";
return(entity);
}
var fullPath = GenerateFullPahth(param.ResourceUrl);
FileInfo fileInfo = new FileInfo(fullPath);
if (fileInfo.Exists)
{
try
{
fileInfo.Delete();
entity.IsComplete = true;
entity.ReturnMessage = "Success";
}
catch (Exception ex)
{
entity.IsComplete = false;
entity.ReturnMessage = string.Format("程序出错：{0}", ex.Message);
}
}
else
{
entity.IsComplete = false;
entity.ReturnMessage = "未找到相关文件";
}
return(entity);
}
private string GenerateFileName(FileUploadParamEntity param)
{
var fileName = string.Empty;
if (!string.IsNullOrWhiteSpace(param.ResourceName))
{
fileName = param.ResourceName;
}
else
{
fileName = Guid.NewGuid().ToString();
}
return(fileName + "." + param.Ext);
}
private string GenerateFullPahth(FileUploadParamEntity param, string fileName)
{
if (string.IsNullOrEmpty(param.UploadDir))
{
var dateNum = DateTime.Now.ToString("yyyyMM");//按月存放
param.UploadDir = string.Format(@"{0}\", dateNum);
}
var dir = CommonHelper.PhysicalPathDir;
var currentPath = Path.Combine(dir, param.UploadDir); //当前应用程序所在物理路径
var fullPath = Path.Combine(currentPath, fileName); //文件存储当前应用程序完整物理路径
//物理路徑是否存在
if (!Directory.Exists(currentPath))
{
Directory.CreateDirectory(currentPath);
}
return(fullPath);
}
internal FileUploadReturnEntity FileUpload(FileUploadParamEntity param)
{
var entity = CheckFileUploadParamEntity(param);
if (entity.IsComplete == false)
{
return(entity);
}
var fileName = GenerateFileName(param); //文件名称
var fullPath = GenerateFullPahth(param, fileName);
try
{
using (var fileStream = new FileStream(fullPath, FileMode.Create, FileAccess.ReadWrite))
{
fileStream.Write(param.ResourceBuffer, 0, param.ResourceBuffer.Length);
entity.IsComplete = true;
var virtualUrl = string.Format("Upload/{0}{1}", param.UploadDir.Replace('\\', '/'), fileName);
entity.FileUrl = virtualUrl.FixUrl(CommonHelper.GlobalResourceDomain);
entity.FileName = fileName;
if (fileStream.Length == param.ResourceTotalSize)
{
entity.ReturnMessage = "Success";
}
else
{
entity.ReturnMessage = "文件上傳成功，但文件有丢失";
}
}
}
catch (Exception ex)
{
entity.IsComplete = false;
entity.ReturnMessage = string.Format("程序出错：{0}", ex.Message);
}
return(entity);
}
public FileUploadReturnEntity FileDel(FileUploadParamEntity param)
{
return(manager.Value.FileDel(param));
}