1、注册页面
<%@ page language="java" contentType="text/html; charset=UTF-8"
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 class="form-horizontal" action="UserServlet" method="post">
用户名
<input type="text" name="username" /><br>
密码
<input type="password" name="password" /><br>
性别
<input type="radio" name="gender" value="男"/>男
<input type="radio" name="gender" value="女"/>女<br>
年龄
<input type="text" name="age" /><br>
爱好
<input type="checkbox" name="hobby" value="王者荣耀">王者荣耀
<input type="checkbox" name="hobby" value="英雄联盟">英雄联盟
<input type="checkbox" name="hobby" value="穿越火线">穿越火线
<input type="checkbox" name="hobby" value="地下城勇士">地下城勇士<br>
<input id="registerBtn" type="submit" value="注册" />
</form>
</body>
</html>
2、UserServlet
public class UserServlet extends HttpServlet{
private static final long serialVersionUID = 1L;
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
this.doGet(req, resp);
}
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
//设置请求编码
request.setCharacterEncoding("utf-8");
//获取请求数据
String username = request.getParameter("username");
String password = request.getParameter("password");
String gender = request.getParameter("gender");
String age = request.getParameter("age");
String[] hobby = request.getParameterValues("hobby");
//赋值
request.setAttribute("username", username);
request.setAttribute("password", password);
request.setAttribute("gender", gender);
request.setAttribute("age", age);
request.setAttribute("hobby", hobby);
//跳转回前台
request.getRequestDispatcher("/success.jsp").forward(request, response);
}
}
3、success.jsp
<%@page import="java.util.Arrays"%>
<%@page import="com.sun.org.apache.xml.internal.utils.IntVector"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
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>
//获取servlet回传数据
<%String username = (String)request.getAttribute("username");
String password = (String)request.getAttribute("password");
String gender = (String)request.getAttribute("gender");
int age = Integer.parseInt((String)request.getAttribute("age"));
String hobby = Arrays.toString((String[])request.getAttribute("hobby"));%>
//输出
用户名:<%=username %><br>
密码:<%=password %><br>
性别:<%=gender %><br>
年龄:<%=age %><br>
爱好:<%=hobby %>
</body>
</html>