logutils.java

聊天工具

package utils;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
/**
 * 日志实用类
 * @author 洪景泉
 *
 */
public class LogUtils {
	/**
	 * 日志存入
	 * 
	 */
	public static void write(String url,String str) {
		String sFilename = new SimpleDateFormat("yyyyMMdd").format(new Date());
		try {

			File logFile = new File(url + sFilename + ".log");
			FileWriter fw = new FileWriter(logFile, true);// 追加
			fw.write(new SimpleDateFormat("yyyy-MM-dd hh:mm:ss")
					.format(new Date())
					+": "+str+"\n");
			fw.close();
		} catch (IOException e1) {
			e1.printStackTrace();
		}
	}
	
}