using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
namespace WindowsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
try
{
//方法一:写文本文件.txt
StreamWriter writer = null;
string filepath = "F:log.txt";
string message = "方法一的写入";
if (File.Exists(filepath))
{
writer = File.AppendText(filepath);
}
else
{
writer = File.CreateText(filepath);
}
writer.WriteLine("[" + DateTime.Now.ToString() + "]:" + message);
writer.Close();
//方法二:写文体文件.txt
//File.AppendAllText(@"F:自作主张.txt", "方法二的写入");
}
catch
{
//把错误日志写到另一个文本文件中
//writeError(e.Message);
}
}
}
}