?? txtlog.cs
字號(hào):
?using System;
using System.IO;
using System.Text;
namespace LogManage
{
class TxtLog:Log
{
public override void Write(string content, string path)
{
//AppendText:如果由 path 指定的文件不存在,則創(chuàng)建該文件。如果該文件存在,則對(duì) StreamWriter 的寫入操作將文本追加到該文件。
StreamWriter sw = File.AppendText(path);
sw.WriteLine("[" + DateTime.Now.ToString() + "]" + content);
sw.Close();
}
public override string Read(string path)
{
StringBuilder bd = new StringBuilder();
StreamReader sr = File.OpenText(path);
string content = sr.ReadToEnd();
sr.Close();
return content;
}
public override string Read(string path, DateTime day)
{
StringBuilder bd = new StringBuilder();
StreamReader sr = File.OpenText(path);
while (true)
{
string line = sr.ReadLine();
if (line == null)
break;
if (line.StartsWith("[" + day.ToShortDateString()))
bd.Append(line + "\r\n");
}
string content = bd.ToString();
sr.Close();
return content;
}
}
}
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