JSP問卷調查

時間  2019-11-13
標籤 jsp 問卷 調查 欄目 JSP 简体版
原文   原文鏈接

Jsp中經過JavaBean實現問卷調查
TestJsp15.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>html

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">

<title>Jsp中經過JavaBean實現問卷調查</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
</head>

<body>
<form action="TestJsp15_reg.jsp" method="post">
<div>
<h1>調查問卷</h1>
<hr/>
<ul>
<li>你常常用哪些編程語言開發程序:</li>
<li>
<input type="checkbox" name="languages" value="Java">Java
<input type="checkbox" name="languages" value="C#">C#
<input type="checkbox" name="languages" value="C">C
<input type="checkbox" name="languages" value="C++">C++
</li>
</ul>
<ul>
<li>你目前所掌握的技術:</li>
<li>
<input type="checkbox" name="technics" value="HTML">HTML
<input type="checkbox" name="technics" value="CSS">CSS
<input type="checkbox" name="technics" value="Servlet">Servlet
<input type="checkbox" name="technics" value="JavaBean">JavaBean
</li>
</ul>
<ul>
<li>在學習中哪部分感受有困難:</li>
<li>
<input type="checkbox" name="parts" value="JSP">JSP
<input type="checkbox" name="parts" value="Struts2">Struts2
</li>
</ul>
<input type="submit" value="提交">
</div>
</form>
</body>
</html>java


TestJsp15_reg.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>編程

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">

<title>Jsp中經過JavaBean實現問卷調查</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">數組

</head>

<body>
<jsp:useBean id="paper" class="com.test.bean.Paper"></jsp:useBean>
<jsp:useBean id="convert" class="com.test.bean.Convert"></jsp:useBean>
<jsp:setProperty property="*" name="paper"/>
<div>
<h1>調查結果</h1>
<hr/>
<ul>
<li>
你常用的編程語言:<%=convert.arr2Str(paper.getLanguages()) %>
</li>
<li>
你目前所掌握的技術:<%=convert.arr2Str(paper.getTechnics()) %>
</li>
<li>
在學習中感受有困難的部分:<%=convert.arr2Str(paper.getParts()) %>
</li>
</ul>
</div>
</body>
</html>app


Paper.java
package com.test.bean;jsp

public class Paper {編程語言

private String[] languages;
private String[] technics;
private String[] parts;

public Paper(){

}

public String[] getLanguages(){
return languages;
}

public void setLanguages(String[] languages){
this.languages = languages;
}

public String[] getTechnics(){
return technics;
}

public void setTechnics(String[] technics){
this.technics = technics;
}

public String[] getParts(){
return parts;
}

public void setParts(String[] parts){
this.parts = parts;
}
}post

Convert.java
package com.test.bean;學習

public class Convert {ui

/** * 將數組轉換成字符串 * @param arr 數組 * @return 字符串 */ public String arr2Str(String[] arr){ //實例化StringBuffer StringBuffer sb = new StringBuffer(); //判斷arr是否爲有效數組 if(arr != null && arr.length > 0){ //遍歷數組 for(String s : arr){ //將字符串追加到StringBuffer中 sb.append(s); //將","追加到StringBuffer中 sb.append(","); } //判斷字符串長度是否有效 if(sb.length() > 0){ //截取字符 sb = sb.deleteCharAt(sb.length()-1); } } //返回字符串 return sb.toString(); }}

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