JSP中的字符替换函数 str_replace() 实现！

//// StrReplace.java//package forum;import java.util.*;/*** Title:* Description:* Copyright: Copyright (c) 2001* Company:* @author* @version 1.0*/public class StrReplace {public StrReplace() {}public String str_replace(String from,String to,String source){StringBuffer bf= new StringBuffer();String