01.<%@ page
02. language="java"
03. import="java.io.*"
04. import="java.text.*"
05. import="java.util.*"
06. contentType="text/html;charset=utf-8" %>
07.<%!
08.
09.
10.
11.public void outlog( ServletContext app,String message ) {
12.
13. app.log( String.format("<<JSP>> %s", message ) );
14.
15.}
16.public String getData( ServletContext app, HttpServletRequest request,String name ) {
17.
18. String strGet = request.getParameter(name);
19. if ( strGet == null ) {
20. strGet = "";
21. }
22. else {
23. outlog( app, String.format("InputGet:%s", strGet ) );
24. }
25.
26. return strGet;
27.}
28.%>
29.<%
30.
31.
32.
33.
34.
35.request.setCharacterEncoding("utf-8");
36.
37.
38.String strGet = getData( application, request, "InputGet" );
39.
40.
41.String strPost = request.getParameter("InputPost");
42.if ( strPost == null ) {
43. strPost = "";
44.}
45.else {
46. outlog( application, String.format("InputPost:%s", strPost ) );
47.}
48.
49.%>
50.<!DOCTYPE html>
51.<html>
52.<head>
53.<meta content="width=device-width initial-scale=1.0 minimum-scale=1.0 maximum-scale=1.0 user-scalable=no" name="viewport">
54.<meta charset="UTF-8">
55.<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.1.1/css/bootstrap.css">
56.
57.<style>
58.#main {
59. padding: 30px;
60.}
61.
62.pre {
63. font-size: 24px;
64.}
65.</style>
66.</head>
67.<body>
68.<div id="main">
69.
70.フォーム : GET
71.<form method="get">
72. <input type="text" name="InputGet" value="<%= strGet %>">
73. <input type="submit" name="send" value="GET">
74.</form>
75.
76.フォーム : POST
77.<form method="post">
78. <input type="text" name="InputPost" value="<%= strPost %>">
79. <input type="submit" name="send" value="POST">
80.</form>
81.
82.<pre>
83.
84.getdata = <%= strGet %>
85.postdata = <%= strPost %>
86.
87.</pre>
88.
89.</div>
90.</body>
91.</html>