Stream stream = fileBLL.DownloadFile(fileInfo); //获取文件流
byte[] srcBuf = new Byte[stream.Length];
stream.Read(srcBuf, 0, srcBuf.Length);
stream.Seek(0, SeekOrigin.Begin);
//判断路径是否正确
if (string.IsNullOrEmpty(filePath))
{
return false;
}
else
{
try //确保目录存在
{
if (string.IsNullOrEmpty(folderPath))
{
return false;
}
if (Directory.Exists(folderPath))
{
return true;
}
else
{
try
{
return Directory.CreateDirectory(folderPath) != null;
}
catch(Exception ex)
{
Debug.WriteLine("创建文件夹失败:" + ex.Message);
return false;
}
}
}
catch (Exception ex)
{
Debug.WriteLine("生成文件信息对象失败:" + ex.Message);
return false;
}
}
//保存文件到本地
try
{
using (FileStream fs = new FileStream(path, FileMode.Create, FileAccess.Write))
{
fs.Write(buf, 0, buf.Length);
fs.Close();
}
return true;
}
catch (Exception ex)
{
Debug.WriteLine(string.Format("写入文件出错:消息={0},堆栈={1}", ex.Message, ex.StackTrace));
return false;
}