写TXT文件

#region 写日志
private static void writelog(string strwrite)
{
string strPath = "d:/log.txt";
if (!File.Exists(strPath))
{
File.Create(strPath);
}
//定义写流对象
System.IO.StreamWriter writer = null;
//创建日志文件
string key = System.DateTime.Now.ToString("HH:mm:ss ") + strwrite;
try
{
//实例化流对象
writer = new StreamWriter(strPath, true);
//写信息
writer.WriteLine(key);
}
catch (Exception ex)
{

}
finally
{
//关闭流对象
if (writer != null)
{
writer.Flush();
writer.Close();
writer = null;
}
}
}
#endregion