java实现替换所有文件的内容，文件内容批量替换

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package com.file;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;

/**
 * 替换所有文件的内容
 * @author Administrator
 *
 */
public class ContentReplace {
	private static  int i=0;
	public static void main(String[] args) {
		File file = new File("E:\\2\\_soft\\apache-tomcat-6.0.13\\apache-tomcat-6.0.13\\webapps\\Highcharts-3.0.6\\examples");
		list(file);
	}
	
	private static void list(File file){
		File[] listFiles = file.listFiles();
		for (File file2 : listFiles) {
			if (file2.isFile()) {
				//BufferedInputStream bs = new BufferedInputStream(new FileInputStream(file2));
				try {
					StringBuffer sb = new StringBuffer();
					BufferedReader br = new BufferedReader(new FileReader(file2));
					String s="";
					boolean change=false;
					while ((s=br.readLine())!=null) {
						if (s.indexOf("jquery.min.js")>-1) {
							change=true;
							sb.append("		<script type=\"text/javascript\" src=\"../../jquery-1.6.js\"></script>");
						}else {
							sb.append(s);
						}
						sb.append("\r\n");
					}
					br.close();
					if (change) {
						BufferedWriter bw = new BufferedWriter(new FileWriter(file2));
						bw.write(sb.toString());
						bw.close();
						System.out.println(++i);
					}

				} catch (Exception e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			}else {
				list(file2);
			}
		}
	}
}