writelog.java

网络代理服务器的设计与实现 实现对网络的管理

import java.io.*;
import java.util.*;
import javax.swing.*;

public class writeLog {
	public static void writeLog(String CardID,String event){
		try { 
			String logPath=logPathGet();
			String logFile="log";
			Calendar  date=new GregorianCalendar();  
		    int year=date.get(Calendar.YEAR);
		    int month=date.get(Calendar.MONTH)+1;		    
		    int data=date.get(Calendar.DAY_OF_MONTH);
		    int hour=date.get(Calendar.HOUR_OF_DAY);
		    int minute=date.get(Calendar.MINUTE);
		    int second=date.get(Calendar.SECOND);
		    
		    logFile=logPath+"\\"+logFile;
		    logFile+=year;
		    logFile+=(month<10?"0":"")+month;
		    logFile+=(data<10?"0":"")+data;
		    logFile+=".txt";

		    //  按日期每天生成一个日志文件
		    FileWriter fwl = new FileWriter(logFile,true); 
		    PrintWriter outl = new PrintWriter(fwl); 
		    outl.println("["+hour+":"+minute+":"+second+ "]    " + CardID+"    "+event); 
		    outl.close(); 
		    fwl.close(); 
		    }catch (IOException ex) { 
		    	JOptionPane.showMessageDialog(null,"01文件读取错误！","文件读取错误",JOptionPane.INFORMATION_MESSAGE);
		} 
	}
	
	public static void writeLog(String str) {
		try{
			String logPath=portPane.getLogPath();
			String logFile="log";
			Calendar  date=new GregorianCalendar();  
		    int year=date.get(Calendar.YEAR);
		    int month=date.get(Calendar.MONTH)+1;		    
		    int data=date.get(Calendar.DAY_OF_MONTH);
		    int hour=date.get(Calendar.HOUR_OF_DAY);
		    int minute=date.get(Calendar.MINUTE);
		    int second=date.get(Calendar.SECOND);
		    
		    logFile=logPath+"\\"+logFile;
		    logFile+=year;
		    logFile+=(month<10?"0":"")+month;
		    logFile+=(data<10?"0":"")+data;
		    logFile+=".txt";

		    //  按日期每天生成一个日志文件 
		    FileWriter fwl = new FileWriter(logFile,true); 
		    PrintWriter outl = new PrintWriter(fwl); 
		    outl.println("["+hour+":"+minute+":"+second+ "]    "+ str);
		    outl.close(); 
		    fwl.close(); 
		}catch(Exception e){
			JOptionPane.showMessageDialog(null,"02文件读取错误！","文件读取错误",JOptionPane.ERROR_MESSAGE);
		}
	}
	
	private static String logPathGet(){
		String str=null;
		try{
			BufferedReader in=new BufferedReader(new FileReader("web\\logpath.txt"));
			str=in.readLine();
		}catch(Exception e){}
		
		if(str==null) {
			str="D:\\newbase\\ProxyServer\\Log";
		}
		return str;
	}
}