主要用到两个内置的对象：out 和 request
out：用来在小脚本里面输出显示内容
request：用来获取用户提交的信息（包括：用户的IP，表单中的内容等）
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP ‘index.jsp‘ starting page</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">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
<form action="getInfo.jsp" name="myform" method="post">
<table>
<tr>
<td>姓名：</td>
<td><input type ="text" name="txtname" /></td>
</tr>
<tr>
<td>密码：</td>
<td><input type ="password" name="txtpwd" /></td>
</tr>
<tr>
<td>男<input type="radio" name="sex" value="male" /></td>
<td>女<input type="radio" name="sex" value="female" /></td>
</tr>
<tr>
<td colspan="4">
籃球<input type="checkbox" name="hobby" value="籃球" />
排球<input type="checkbox" name="hobby" value="排球" />
足球<input type="checkbox" name="hobby" value="足球" />
乒乓球<input type="checkbox" name="hobby" value = "乒乓球"/>
</td>
</tr>
<tr>
<td colspan="2">
<input type="submit" name="submit" value="提交" />
<input type="reset" name="reset" value="重置" />
</td>
</tr>
</table>
</form>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP ‘getInfo.jsp‘ starting page</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">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
<%
request.setCharacterEncoding("UTF-8");
String name=request.getParameter("txtname");
String pwd=request.getParameter("txtpwd");
String sex=request.getParameter("sex");
String[] hobby=request.getParameterValues("hobby");
%>
姓名：<%=name %><br />
密碼：<%=pwd %><br />
性別：<%=sex %><br />
愛好：<%
for(String h : hobby){
out.print(h);
}
%><br />
</body>
</html>