JSP中的字符替换函数 str_replace() 实现！

 

// StrReplace.java

//

package cn.mldn.cjf;

import java.util.*;

/**

* Title:

* Description:

* Copyright: Copyright (c) 2010

* Company:

* @author: chenjinfei

* @version 1.0

*/

public class StrReplace {

public StrReplace() {

}

public String str_replace(String from,String to,String source)

{

StringBuffer bf= new StringBuffer("");

StringTokenizer st = new StringTokenizer(source,from,true);

while (st.hasMoreTokens())

{

String tmp = st.nextToken();

System.out.println("*"+tmp);

if(tmp.equals(from))

{

bf.append(to);

}

else

{

bf.append(tmp);

}

}

return bf.toString();

}

}

// 使用方法

<jsp:useBean id="replace" scope="page" class="cn.mldn.cjf.StrReplace" />

<%= replace.str_replace("<","^","数据源") %>