电子时钟

  1. package com.wjh.Time;
  3. import java.text.SimpleDateFormat;
  4. import java.util.Calendar;
  5. import java.util.Date;
  7. public class DateBean {
  8.     private String dateTime;
  9.     private String week;
  10.     private Calendar calendar=Calendar.getInstance();
  12.     public String getDateTime() {
  13.         Date currDate=Calendar.getInstance().getTime();
  14.         SimpleDateFormat sdf=new SimpleDateFormat("yyyy年MM月dd日  HH点mm分ss秒");
  15.         dateTime=sdf.format(currDate);
  16.         return dateTime;
  17.     }
  19.     public String getWeek() {
  20.         String[] weeks={"星期日","星期一","星期二","星期三","星期四","星期五","星期六"};
  21.         int index=calendar.get(Calendar.DAY_OF_WEEK);
  22.         week=weeks[index-1];
  23.         return week;
  24.     }
  25. }
  1. <%@ page contentType="text/html;charset=UTF-8" language="java" %>
  2. <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
  3. <html>
  4. <head>
  5.     <meta http-equiv="refresh" content="1">
  6.     <!--
  7.     每隔一秒自动刷新网页
  8.     -->
  9.     <title>佳豪专属电子小时钟</title>
  10.     <style>
  11.         #clock{
  12.             width: 420px;
  13.             height: 80px;
  14.             background: azure;
  15.             font-size: 25px;
  16.             font-weight: bold;
  17.             border: solid 5px orange;
  18.         }
  20.         #week{
  21.             padding-top: 15px;
  22.             color: #0080FF;
  23.         }
  24.     </style>
  25. </head>
  26. <body background="girl.jpg">
  29. <jsp:useBean id="MyWatch" class="com.wjh.Time.DateBean"></jsp:useBean>
  30. <div align="center">
  31.     <div id="clock">
  32.         <div id="date">
  33.             <jsp:getProperty name="MyWatch" property="dateTime"/>
  34.         </div>
  35.         <div id="week">
  36.             <jsp:getProperty name="MyWatch" property="week"/>
  37.         </div>
  38.     </div>
  39. </div>
  41. </body>
  42. </html>

运行结果：
image.png

调查问卷

  1. <%@ page contentType="text/html;charset=UTF-8" language="java" %>
  2. <html>
  3. <head>
  4.     <title>调查问卷</title>
  5. </head>
  6. <body>
  8. <form action="Show.jsp" method="post">
  9. <div>
  10.     <h1>调查问卷</h1>
  11.     <hr>
  12.     <ul>
  13.         <li>您经常使用的编程语言是：</li>
  14.         <li>
  15.             <input type="checkbox" name="languages" value="Java">Java
  16.             <input type="checkbox" name="languages" value="C++">C++
  17.             <input type="checkbox" name="languages" value="Go">Go
  18.             <input type="checkbox" name="languages" value="php">php
  19.         </li>
  20.     </ul>
  22.     <ul>
  23.         <li>您掌握的技术有：</li>
  24.         <li>
  25.             <input type="checkbox" name="technics" value="servlet">servlet
  26.             <input type="checkbox" name="technics" value="jsp">jsp
  27.             <input type="checkbox" name="technics" value="多线程">多线程
  28.             <input type="checkbox" name="technics" value="高并发">高并发
  29.         </li>
  30.     </ul>
  32.     <ul>
  33.         <li>您学习那一部分有困难：</li>
  34.         <li>
  35.             <input type="checkbox" name="parts" value="Java基础">Java基础
  36.             <input type="checkbox" name="parts" value="jvm底层原理">jvm底层原理
  37.             <input type="checkbox" name="parts" value="面向对象程序设计">面向对象程序设计
  38.         </li>
  39.     </ul>
  40.     <input type="submit" name="提 交">
  41. </div>
  42. </form>
  44. </body>
  45. </html>
  1. <%@ page contentType="text/html;charset=UTF-8" language="java" %>
  2. <html>
  3. <head>
  4.     <title>调查结果显示</title>
  5. </head>
  6. <body>
  7. <jsp:useBean id="surveyClass" class="com.wjh.Test.SurveyClass"></jsp:useBean>
  8. <jsp:useBean id="transformtostring" class="com.wjh.Test.TransformToString"></jsp:useBean>
  9. <jsp:useBean id="encoding" class="com.wjh.Test.CharactorEncoding"></jsp:useBean>
  10. <jsp:setProperty name="surveyClass" property="*"></jsp:setProperty>
  11. <div>
  12.     <h1>调查结果</h1>
  13.     <hr>
  14.     <ul>
  15.         <li>您经常使用的编程语言：<%=encoding.toString(transformtostring.transform(surveyClass.getLanguages()))%></li>
  16.     </ul><br>
  18.     <ul>
  19.         <li>您掌握的技术：<%=encoding.toString(transformtostring.transform(surveyClass.getTechnics()))%></li>
  20.     </ul><br>
  22.     <ul>
  23.         <li>您学习过程有困难的部分：<%=encoding.toString(transformtostring.transform(surveyClass.getParts()))%></li>
  24.     </ul><br>
  25. </div>
  26. </body>
  27. </html>
  1. package com.wjh.Test;
  3. public class SurveyClass {
  4.     private String[] languages;
  5.     private String[] technics;
  6.     private String[] parts;
  8.     public String[] getLanguages() {
  9.         return languages;
  10.     }
  12.     public void setLanguages(String[] languages) {
  13.         this.languages = languages;
  14.     }
  16.     public String[] getTechnics() {
  17.         return technics;
  18.     }
  20.     public void setTechnics(String[] technics) {
  21.         this.technics = technics;
  22.     }
  24.     public String[] getParts() {
  25.         return parts;
  26.     }
  28.     public void setParts(String[] parts) {
  29.         this.parts = parts;
  30.     }
  31. }
  1. package com.wjh.Test;
  3. public class TransformToString {
  4.     public String transform(String array[]){
  5.         StringBuffer sb=new StringBuffer();
  6.         if(array.length!=0&&array.length>0){
  7.             for(String x:array){
  8.                 sb.append(x);
  9.                 sb.append(",");
  10.             }
  11.             if(sb.length()>0){
  12.                 sb=sb.deleteCharAt(sb.length()-1);
  13.             }
  14.         }
  15.         return sb.toString();
  16.     }
  17. }
  1. package com.wjh.Test;
  3. import java.io.UnsupportedEncodingException;
  5. public class CharactorEncoding {
  6.     public CharactorEncoding(){
  8.     }
  10.     public String toString(String str){
  11.         String text=null;
  12.         if(str!=null){
  13.             try {
  14.                 text=new String(str.getBytes("ISO-8859-1"),"UTF-8");
  15.             } catch (UnsupportedEncodingException e) {
  16.                 e.printStackTrace();
  17.             }
  18.         }
  19.         return text;
  20.     }
  21. }

运行结果：
image.pngimage.png