/// <summary>
/// 删除文件
/// </summary>
/// <param name="path">路径</param>
public static void DeleteFile(string path)
{
if (SysFile2.Exists(path))
{
File.Delete(path);
}
}
/// <summary>
/// 读取文件内所有字串
/// </summary>
/// <param name="fileName">文件名/包括路径</param>
/// <returns>文件内容</returns>
public static string ReadFile(string fileName)
{
try
{
SysFile2.SetNormal(fileName);
FileStream fs = new FileStream(fileName, FileMode.Open);
StreamReader sr = new StreamReader(fs, Encoding.Default);
string file = sr.ReadToEnd();
sr.Close();
fs.Close();
return(file);
}
catch (Exception ex)
{
throw new Exception("读取文件内容异常！[" + ex.Message + "]");
}
}
/// <summary>
/// 写Framework日志文件
/// </summary>
public static void WriteLog(string logStr)
{
try
{
string logpath = SysConfig.LogFile;
if (SysFile2.Exists(logpath))
{
FileInfo fi = new FileInfo(logpath);
long mn = fi.Length;
if (mn > SysConfig.LogFileLength)//大于则删除文件
{
fi.Delete();
}
}
StreamWriter sw = new StreamWriter(logpath, true, Encoding.Unicode);
sw.WriteLine(DateTime.Now.ToString("yy/MM/dd HH:mm:ss") + " " + logStr);
sw.Close();
}
catch
{
}
}
/// <summary>
/// 文件下载
/// </summary>
/// <param name="downUrl">下载地址</param>
/// <param name="downFile">要下载的文件</param>
/// <returns></returns>
public static bool DownFile(string downUrl, string downFile)
{
long fileLength = 0;
WebRequest webReq = WebRequest.Create(downUrl);
WebResponse webRes = webReq.GetResponse();
fileLength = webRes.ContentLength;
try
{
Stream srm = webRes.GetResponseStream();
StreamReader srmReader = new StreamReader(srm);
byte[] bufferbyte = new byte[fileLength];
int allByte = (int)bufferbyte.Length;
int startByte = 0;
while (fileLength > 0)
{
int downByte = srm.Read(bufferbyte, startByte, allByte);
if (downByte == 0)
{
break;
}
startByte += downByte;
fileLength -= downByte;
}
SysFile2.CreateDirtory(downFile);
FileStream fs = new FileStream(downFile, FileMode.Create, FileAccess.Write);
fs.Write(bufferbyte, 0, startByte);
srm.Close();
srmReader.Close();
fs.Close();
return(true);
}
catch
{
return(false);
}
}
