JSP 轮换字符串的实现
日期：2014-05-16 浏览次数：20402 次
JSP 替换字符串的实现
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ page import="java.util.StringTokenizer" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<style type="text/css">
<!--
.STYLE1{
font-size:large;
}
-->
</style>
<script>
function checkForm(){
if(document.form1.str==""){
alert("原字符串不能为空！");
return false;
}
if(document.form1.old==""){
alert("查找字符串不能为空");
return false；
}
}
</script>
</head>
<body>
<%
request.setCharacterEncoding("UTF-8");
String str=request.getParameter("str");
if(str==null)
str="";
String old=request.getParameter("old");
if(old==null)
old="";
String replacement=request.getParameter("replacement");
if(replacement==null)
replacement="";
%>
<form name="form1" action="replace.jsp" method="post">
<div class="STYLE1">替换字符串中指定的字符</div>
原字符串<input type="text" name="str" value="<%=str %>">
<br />
查找<input type="text" name="old" value="<%=old %>">
<br />
替换<input type="text" name="replacement" value="<%=replacement %>"/>
<hr />
<input name="ok" type="submit" value="替换">
</form>
<p>
<%
StringBuffer buf=new StringBuffer();
int index=-1;
while(!str.equals("")&&!old.equals("")&&(index=str.indexOf(old))!=-1){
buf.append(str.substring(0,index));
buf.append(replacement);
str=str.substring(index+old.length());
}
buf.append(str);
out.print(buf.toString());
%>
</p>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ page import="java.util.StringTokenizer" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<style type="text/css">
<!--
.STYLE1{
font-size:large;
}
-->
</style>
<script>
function checkForm(){
if(document.form1.str==""){
alert("原字符串不能为空！");
return false;
}
if(document.form1.old==""){
alert("查找字符串不能为空");
return false；
}
}
</script>
</head>
<body>
<%
request.setCharacterEncoding("UTF-8");
String str=request.getParameter("str");
if(str==null)
str="";
String old=request.getParameter("old");
if(old==null)
old="";
String replacement=request.getParameter("replacement");
if(replacement==null)
replacement="";
%>
<form name="form1" action="replace.jsp" method="post">
<div class="STYLE1">替换字符串中指定的字符</div>
原字符串<input type="text" name="str" value="<%=str %>">
<br />
查找<input type="text" name="old" value="<%=old %>">
<br />
替换<input type="text" name="replacement" value="<%=replacement %>"/>
<hr />
<input name="ok" type="submit" value="替换">
</form>
<p>
<%
StringBuffer buf=new StringBuffer();
int index=-1;
while(!str.equals("")&&!old.equals("")&&(index=str.indexOf(old))!=-1){
buf.append(str.substring(0,index));
buf.append(replacement);
str=str.substring(index+old.length());
}
buf.append(str);
out.print(buf.toString());
%>
</p>
</body>
</html>
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