JSP之request表单的两种提交及乱码处理

表单post提交方式与得到

 

程序演示：

 1 <%@ page language="java" import="java.util.*" pageEncoding="UTF-8" contentType="text/html; charset=UTF-8"%>
 2 <%
 3 String path = request.getContextPath();
 4 String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
 5 %>
 6 
 7 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
 8 <html>
 9   <head>
10     <base href="<%=basePath%>">
11     
12     <title>My JSP '4.jsp' starting page</title>
13     
14     <meta http-equiv="pragma" content="no-cache">
15     <meta http-equiv="cache-control" content="no-cache">
16     <meta http-equiv="expires" content="0">    
17     <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
18     <meta http-equiv="description" content="This is my page">
19     <!--
20     <link rel="stylesheet" type="text/css" href="styles.css">
21     -->
22 
23   </head>
24   
25   <body>
26     <form method="post" action="5.jsp">
27       用户名：<br>
28       <input type="text" name="name"/><br>
29       性别：<br>
30       <input type="radio" name="sex" value="男">男</input>
31        <input type="radio" name="sex" value="女">女</input><br>
32      兴趣：<br>
33      <input type="checkbox" name="interesting" value="篮球">篮球</input>
34      <input type="checkbox" name="interesting" value="旅游">旅游</input>
35     <input type="checkbox" name="interesting" value="历史">历史</input>
36     <input type="checkbox" name="interesting" value="读书">读书</input><br>
37     <input type="submit" ></input>
38     <input type="reset"></input>
39     </form>
40     
41   </body>
42 </html>

 

 

 1 <%@ page language="java" import="java.util.*" pageEncoding="UTF-8" contentType="text/html; charset=UTF-8"%>
 2 <%
 3 String path = request.getContextPath();
 4 String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
 5 %>
 6 
 7 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
 8 <html>
 9   <head>
10     <base href="<%=basePath%>">
11     
12     <title>My JSP '5.jsp' starting page</title>
13     
14     <meta http-equiv="pragma" content="no-cache">
15     <meta http-equiv="cache-control" content="no-cache">
16     <meta http-equiv="expires" content="0">    
17     <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
18     <meta http-equiv="description" content="This is my page">
19     <!--
20     <link rel="stylesheet" type="text/css" href="styles.css">
21     -->
22 
23   </head>
24   
25   <body>
26     <%
27     request.setCharacterEncoding("UTF-8");
28     out.print("用户名："+request.getParameter("name")+"<br>");
29      out.print("性别："+request.getParameter("sex")+"<br>");
30      String[] interest=request.getParameterValues("interesting");
31      out.print("兴趣："+"<br>");
32      for(String i:interest){
33           out.print(i+"<br>");
34      }
35      %>
36   </body>
37 </html>

 

表单get提交方式与得到

 

 

 1 <%@ page language="java" import="java.util.*" pageEncoding="UTF-8" contentType="text/html; charset=UTF-8"%>
 2 <%
 3 String path = request.getContextPath();
 4 String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
 5 %>
 6 
 7 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
 8 <html>
 9   <head>
10     <base href="<%=basePath%>">
11     
12     <title>My JSP '2.jsp' starting page</title>
13     
14     <meta http-equiv="pragma" content="no-cache">
15     <meta http-equiv="cache-control" content="no-cache">
16     <meta http-equiv="expires" content="0">    
17     <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
18     <meta http-equiv="description" content="This is my page">
19     <!--
20     <link rel="stylesheet" type="text/css" href="styles.css">
21     -->
22 
23   </head>
24   
25   <body>
26     <form method="get" action="3.jsp">
27       用户名：<br>
28       <input type="text" name="name"/><br>
29       性别：<br>
30       <input type="radio" name="sex" value="男">男</input>
31        <input type="radio" name="sex" value="女">女</input><br>
32      兴趣：<br>
33      <input type="checkbox" name="interesting" value="篮球">篮球</input>
34      <input type="checkbox" name="interesting" value="旅游">旅游</input>
35     <input type="checkbox" name="interesting" value="历史">历史</input>
36     <input type="checkbox" name="interesting" value="读书">读书</input><br>
37     <input type="submit" ></input>
38     <input type="reset"></input>
39     </form>
40     
41     
42     
43     
44     
45   </body>
46 </html>

 

 

 1 <%@page import="java.net.URLDecoder"%>
 2 <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
 3 <%
 4 String path = request.getContextPath();
 5 String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
 6 %>
 7 
 8 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
 9 <html>
10   <head>
11     <base href="<%=basePath%>">
12     
13     <title>My JSP '3.jsp' starting page</title>
14     
15     <meta http-equiv="pragma" content="no-cache">
16     <meta http-equiv="cache-control" content="no-cache">
17     <meta http-equiv="expires" content="0">    
18     <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
19     <meta http-equiv="description" content="This is my page">
20     <!--
21     <link rel="stylesheet" type="text/css" href="styles.css">
22     -->
23 
24   </head>
25   
26   <body>
27   <% //获取请求里包含的查询字符串
28       String subStr=request.getQueryString();
29   
30   //使用urldecoder解码
31   String codeStr=URLDecoder.decode(subStr, "UTF-8");
32   //以&符号分解
33   String[] spls=codeStr.split("&");
34   
35   for(String spl:spls){
36      out.print(spl+"<br>");
37   
38   }
39   
40   
41   %>
42   
43   
44   
45   </body>
46 </html>

 

posted @ 2015-11-06 16:57  逍遥鸣  阅读(299)  评论(0)  编辑  收藏  举报