功能：
- 判断头尾是否一致
- 判断是否是四字成语
<%@ page language="java" contentType="text/html; charset=utf-8" import="java.util.*"
pageEncoding="utf-8"%>
<!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>
</head>
<body>
<form action="soli.jsp" method="post">
输入四字成语：<input type="text" name="ciyu">
<input type="submit"value="提交">
</form>
</body>
</html><%@ page language="java" contentType="text/html; charset=utf-8" import="java.util.*"
pageEncoding="utf-8"%>
<!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>
</head>
<body>
<%
String cyu = request.getParameter("ciyu");
int flag = 0;
int ting = 0;
if(cyu.length() != 12){
out.println("请输入正确的四字成语！"+"<br>");
ting =1;
}else{
//out.println("成语已经提交！"+"<br>");
flag++;
}
String tou1 = request.getParameter("ciyu");
String tou = request.getParameter("ciyu");
String wei = request.getParameter("ciyu");
String tag ="";
String to ="";
String we ="";
String str = "";
if(flag==1){
tou1 =new String(tou1.getBytes("ISO-8859-1"),"utf-8");
tag = tou1.substring(3);
// out.println(tag);
flag++;
}
if(flag>1){
tou =new String(tou.getBytes("ISO-8859-1"),"utf-8");
wei =new String(wei.getBytes("ISO-8859-1"),"utf-8");
to = tou.substring(0,1);
we = wei.substring(3);
}
ArrayList mation = (ArrayList) session.getAttribute("mation");
if (mation == null) {
mation = new ArrayList();
session.setAttribute("mation", mation);
}
String ciyu = request.getParameter("ciyu");
if(ciyu != null&&mation.size()>0){
for(int i=0;i<mation.size();i++){
str = mation.get(i).toString();
str = str.substring(3);
// out.println(str);
}
if(str.equals(to)){
ciyu = new String(ciyu.getBytes("ISO-8859-1"),"utf-8");
mation.add(ciyu);
out.println("成语已经提交！"+"<br>");
}else{
out.println("成语首尾不匹配！");
}
if(str.equals(to)){
for(int i =0;i<mation.size();i++){
out.println(mation.get(i)+"-->");
}
}
}
if (ciyu != null&&mation.size()==0) {
ciyu = new String(ciyu.getBytes("ISO-8859-1"),"utf-8");
mation.add(ciyu);
out.println("成语已经提交！"+"<br>");
out.println(mation.get(0)+"-->");
}
// for(int i =0;i<mation.size();i++){
// out.println(mation.get(i)+"-->");
// }
%>
<br>
<a href ="idiom.jsp">继续输入成语</a>
</body>
</html>