test.html
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>通過表單收集客戶機數據</title>
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="this is my page">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
</head>
<body>
<form action="/myday06/servlet/RequestDemo" method="post">
用戶名：<input type="text" name="username" /><br/>
密 碼：<input type="text" name="password"/><br/>
性別：
<input type="radio" name="sex" value="male"/>男
<input type="radio" name="sex" value="female"/>女<br/>
所在地：
<select name="city">
<option value="beijing">北京</option>
<option value="shanghai">上海</option>
<option value="nanjing">南京</option>
</select><br/>
愛好：
<input type="checkbox" name="likes" value="single"/>唱歌
<input type="checkbox" name="likes" value="dance"/>跳舞
<input type="checkbox" name="likes" value="basketball"/>籃球
<input type="checkbox" name="likes" value="football"/>足球
<br/>
備註：<textarea rows="5" cols="60" name="description"></textarea><br/>
照片：<input type="file" name="image"/><br/>
<input type="submit" value="提交"/><br/>
</form>
</body>
</html>
RequestDemo.java
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class RequestDemo3 extends HttpServlet
{
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
String username = request.getParameter("username");
System.out.println("姓名："+username);
String password = request.getParameter("password");
System.out.println("密碼："+password);
String sex = request.getParameter("sex");
System.out.println("性別："+sex);
String city = request.getParameter("city");
System.out.println("所在地："+city);
String[] likes = request.getParameterValues("likes");
System.out.println("愛好：");
for(int i=0;likes!=null && i<likes.length;i++){
System.out.print(likes[i]);
}
String description = request.getParameter("description");
System.out.println("備註："+description);
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
doGet(request, response);
}
}