{"id":1279,"date":"2026-01-09T14:24:00","date_gmt":"2026-01-09T06:24:00","guid":{"rendered":"https:\/\/www.52runoob.com\/?p=1279"},"modified":"2026-01-09T14:24:00","modified_gmt":"2026-01-09T06:24:00","slug":"jsp%e5%ae%9e%e7%8e%b0%e7%ae%80%e5%8d%95%e7%9a%84%e7%99%bb%e5%bd%95%e5%92%8c%e6%b3%a8%e5%86%8c%e7%95%8c%e9%9d%a2%e8%af%a6%e7%bb%86%e5%85%a8%e8%bf%87%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/www.52runoob.com\/index.php\/2026\/01\/09\/jsp%e5%ae%9e%e7%8e%b0%e7%ae%80%e5%8d%95%e7%9a%84%e7%99%bb%e5%bd%95%e5%92%8c%e6%b3%a8%e5%86%8c%e7%95%8c%e9%9d%a2%e8%af%a6%e7%bb%86%e5%85%a8%e8%bf%87%e7%a8%8b\/","title":{"rendered":"JSP\u5b9e\u73b0\u7b80\u5355\u7684\u767b\u5f55\u548c\u6ce8\u518c\u754c\u9762\u8be6\u7ec6\u5168\u8fc7\u7a0b"},"content":{"rendered":"\n<p>\u4e0b\u9762\u7ed9\u4f60\u4e00\u5957**\u300aJSP \u5b9e\u73b0\u7b80\u5355\u767b\u5f55\u4e0e\u6ce8\u518c\u754c\u9762\u7684\u5b8c\u6574\u5168\u8fc7\u7a0b\u300b<strong>\uff0c\u4ece<\/strong>\u9875\u9762\u8bbe\u8ba1 \u2192 Servlet \u5904\u7406 \u2192 \u6570\u636e\u4fdd\u5b58 \u2192 \u767b\u5f55\u6821\u9a8c \u2192 \u8fd0\u884c\u6d41\u7a0b<strong>\u5168\u90e8\u6253\u901a\uff0c\u9002\u5408<\/strong>JavaWeb \u8bfe\u7a0b\u8bbe\u8ba1 \/ \u5b9e\u8bad \/ \u8003\u8bd5**\uff0c\u4e00\u6b65\u4e00\u6b65\u7167\u7740\u505a\u5c31\u80fd\u8dd1\u8d77\u6765\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u6280\u672f\u6808\uff1a<strong>JSP + Servlet + Session\uff08\u4e0d\u4f9d\u8d56\u6570\u636e\u5e93\uff0c\u9002\u5408\u5165\u95e8\uff09<\/strong><\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u4e00\u3001\u6574\u4f53\u5b9e\u73b0\u601d\u8def\uff08\u5148\u7406\u89e3\uff09<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">\u6838\u5fc3\u903b\u8f91<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u529f\u80fd<\/th><th>\u5b9e\u73b0\u65b9\u5f0f<\/th><\/tr><\/thead><tbody><tr><td>\u6ce8\u518c<\/td><td>\u628a\u7528\u6237\u4fe1\u606f\u5b58\u5230 Session \/ Application<\/td><\/tr><tr><td>\u767b\u5f55<\/td><td>\u5bf9\u6bd4\u8f93\u5165\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801<\/td><\/tr><tr><td>\u767b\u5f55\u72b6\u6001<\/td><td>Session \u8bb0\u5f55\u662f\u5426\u767b\u5f55<\/td><\/tr><tr><td>\u9875\u9762\u8df3\u8f6c<\/td><td>Servlet \u63a7\u5236<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u6559\u5b66\u9636\u6bb5<strong>\u4e0d\u4f7f\u7528\u6570\u636e\u5e93<\/strong>\uff0c\u5148\u638c\u63e1 JSP \u5de5\u4f5c\u6d41\u7a0b\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u4e8c\u3001\u9879\u76ee\u7ed3\u6784\uff08\u6807\u51c6 JavaWeb\uff09<\/h1>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nLoginDemo\/\n\u2502\n\u251c\u2500\u2500 src\/\n\u2502   \u251c\u2500\u2500 entity\/\n\u2502   \u2502   \u2514\u2500\u2500 User.java\n\u2502   \u251c\u2500\u2500 servlet\/\n\u2502   \u2502   \u251c\u2500\u2500 RegisterServlet.java\n\u2502   \u2502   \u2514\u2500\u2500 LoginServlet.java\n\u2502\n\u251c\u2500\u2500 WebContent\/\n\u2502   \u251c\u2500\u2500 register.jsp\n\u2502   \u251c\u2500\u2500 login.jsp\n\u2502   \u251c\u2500\u2500 success.jsp\n\u2502   \u2514\u2500\u2500 index.jsp\n\u2502\n\u2514\u2500\u2500 web.xml\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u4e09\u3001\u7528\u6237\u5b9e\u4f53\u7c7b\uff08User.java\uff09<\/h1>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\npackage entity;\n\npublic class User {\n    private String username;\n    private String password;\n\n    public User(String username, String password) {\n        this.username = username;\n        this.password = password;\n    }\n\n    \/\/ getter \/ setter\n}\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u56db\u3001\u6ce8\u518c\u9875\u9762\uff08register.jsp\uff09<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">\u529f\u80fd<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8f93\u5165\u7528\u6237\u540d<\/li>\n\n\n\n<li>\u8f93\u5165\u5bc6\u7801<\/li>\n\n\n\n<li>\u63d0\u4ea4\u5230 Servlet<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n&amp;lt;%@ page contentType=&quot;text\/html;charset=UTF-8&quot; %&gt;\n&amp;lt;html&gt;\n&amp;lt;head&gt;\n    &amp;lt;title&gt;\u7528\u6237\u6ce8\u518c&amp;lt;\/title&gt;\n&amp;lt;\/head&gt;\n&amp;lt;body&gt;\n&amp;lt;h2&gt;\u7528\u6237\u6ce8\u518c&amp;lt;\/h2&gt;\n\n&amp;lt;form action=&quot;RegisterServlet&quot; method=&quot;post&quot;&gt;\n    \u7528\u6237\u540d\uff1a&amp;lt;input type=&quot;text&quot; name=&quot;username&quot; required&gt;&amp;lt;br&gt;&amp;lt;br&gt;\n    \u5bc6\u7801\uff1a&amp;lt;input type=&quot;password&quot; name=&quot;password&quot; required&gt;&amp;lt;br&gt;&amp;lt;br&gt;\n    &amp;lt;input type=&quot;submit&quot; value=&quot;\u6ce8\u518c&quot;&gt;\n&amp;lt;\/form&gt;\n\n&amp;lt;a href=&quot;login.jsp&quot;&gt;\u5df2\u6709\u8d26\u53f7\uff1f\u53bb\u767b\u5f55&amp;lt;\/a&gt;\n&amp;lt;\/body&gt;\n&amp;lt;\/html&gt;\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u4e94\u3001\u6ce8\u518c\u5904\u7406\uff08RegisterServlet\uff09<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">\u903b\u8f91\u8bf4\u660e<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u63a5\u6536\u7528\u6237\u540d\u3001\u5bc6\u7801<\/li>\n\n\n\n<li>\u4fdd\u5b58\u5230 application\uff08\u5168\u5c40\uff09<\/li>\n\n\n\n<li>\u8df3\u8f6c\u767b\u5f55\u9875\u9762<\/li>\n<\/ol>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n@WebServlet(&quot;\/RegisterServlet&quot;)\npublic class RegisterServlet extends HttpServlet {\n\n    protected void doPost(HttpServletRequest request, HttpServletResponse response)\n            throws ServletException, IOException {\n\n        request.setCharacterEncoding(&quot;UTF-8&quot;);\n\n        String username = request.getParameter(&quot;username&quot;);\n        String password = request.getParameter(&quot;password&quot;);\n\n        User user = new User(username, password);\n\n        ServletContext application = getServletContext();\n        application.setAttribute(&quot;user&quot;, user);\n\n        response.sendRedirect(&quot;login.jsp&quot;);\n    }\n}\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u516d\u3001\u767b\u5f55\u9875\u9762\uff08login.jsp\uff09<\/h1>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n&amp;lt;%@ page contentType=&quot;text\/html;charset=UTF-8&quot; %&gt;\n&amp;lt;html&gt;\n&amp;lt;head&gt;\n    &amp;lt;title&gt;\u7528\u6237\u767b\u5f55&amp;lt;\/title&gt;\n&amp;lt;\/head&gt;\n&amp;lt;body&gt;\n&amp;lt;h2&gt;\u7528\u6237\u767b\u5f55&amp;lt;\/h2&gt;\n\n&amp;lt;form action=&quot;LoginServlet&quot; method=&quot;post&quot;&gt;\n    \u7528\u6237\u540d\uff1a&amp;lt;input type=&quot;text&quot; name=&quot;username&quot;&gt;&amp;lt;br&gt;&amp;lt;br&gt;\n    \u5bc6\u7801\uff1a&amp;lt;input type=&quot;password&quot; name=&quot;password&quot;&gt;&amp;lt;br&gt;&amp;lt;br&gt;\n    &amp;lt;input type=&quot;submit&quot; value=&quot;\u767b\u5f55&quot;&gt;\n&amp;lt;\/form&gt;\n\n&amp;lt;\/body&gt;\n&amp;lt;\/html&gt;\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u4e03\u3001\u767b\u5f55\u6821\u9a8c\uff08LoginServlet\uff09<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">\u767b\u5f55\u903b\u8f91<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n@WebServlet(&quot;\/LoginServlet&quot;)\npublic class LoginServlet extends HttpServlet {\n\n    protected void doPost(HttpServletRequest request, HttpServletResponse response)\n            throws ServletException, IOException {\n\n        request.setCharacterEncoding(&quot;UTF-8&quot;);\n\n        String username = request.getParameter(&quot;username&quot;);\n        String password = request.getParameter(&quot;password&quot;);\n\n        ServletContext application = getServletContext();\n        User user = (User) application.getAttribute(&quot;user&quot;);\n\n        if (user != null &amp;amp;&amp;amp;\n            user.getUsername().equals(username) &amp;amp;&amp;amp;\n            user.getPassword().equals(password)) {\n\n            HttpSession session = request.getSession();\n            session.setAttribute(&quot;loginUser&quot;, user);\n\n            response.sendRedirect(&quot;success.jsp&quot;);\n        } else {\n            response.getWriter().write(&quot;\u767b\u5f55\u5931\u8d25\uff0c\u7528\u6237\u540d\u6216\u5bc6\u7801\u9519\u8bef&quot;);\n        }\n    }\n}\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u516b\u3001\u767b\u5f55\u6210\u529f\u9875\u9762\uff08success.jsp\uff09<\/h1>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n&amp;lt;%@ page contentType=&quot;text\/html;charset=UTF-8&quot; %&gt;\n&amp;lt;%@ page import=&quot;entity.User&quot; %&gt;\n\n&amp;lt;html&gt;\n&amp;lt;head&gt;\n    &amp;lt;title&gt;\u767b\u5f55\u6210\u529f&amp;lt;\/title&gt;\n&amp;lt;\/head&gt;\n&amp;lt;body&gt;\n\n&amp;lt;%\n    User user = (User) session.getAttribute(&quot;loginUser&quot;);\n    if (user != null) {\n%&gt;\n    &amp;lt;h2&gt;\u6b22\u8fce\u4f60\uff0c&amp;lt;%=user.getUsername()%&gt;\uff01&amp;lt;\/h2&gt;\n&amp;lt;%\n    }\n%&gt;\n\n&amp;lt;a href=&quot;index.jsp&quot;&gt;\u8fdb\u5165\u9996\u9875&amp;lt;\/a&gt;\n&amp;lt;\/body&gt;\n&amp;lt;\/html&gt;\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u4e5d\u3001\u9996\u9875\uff08index.jsp\uff09<\/h1>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n&amp;lt;%@ page contentType=&quot;text\/html;charset=UTF-8&quot; %&gt;\n&amp;lt;html&gt;\n&amp;lt;head&gt;\n    &amp;lt;title&gt;\u9996\u9875&amp;lt;\/title&gt;\n&amp;lt;\/head&gt;\n&amp;lt;body&gt;\n&amp;lt;h1&gt;\u8fd9\u662f\u7cfb\u7edf\u9996\u9875&amp;lt;\/h1&gt;\n&amp;lt;p&gt;\u4f60\u5df2\u7ecf\u6210\u529f\u767b\u5f55\u3002&amp;lt;\/p&gt;\n&amp;lt;\/body&gt;\n&amp;lt;\/html&gt;\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u5341\u3001\u8fd0\u884c\u5168\u8fc7\u7a0b\uff08\u8001\u5e08\u6700\u7231\u95ee\uff09<\/h1>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8bbf\u95ee <code>register.jsp<\/code><\/li>\n\n\n\n<li>\u586b\u5199\u4fe1\u606f\u5e76\u63d0\u4ea4<\/li>\n\n\n\n<li>RegisterServlet \u4fdd\u5b58\u7528\u6237\u4fe1\u606f<\/li>\n\n\n\n<li>\u8df3\u8f6c\u5230 <code>login.jsp<\/code><\/li>\n\n\n\n<li>\u8f93\u5165\u8d26\u53f7\u5bc6\u7801<\/li>\n\n\n\n<li>LoginServlet \u6821\u9a8c<\/li>\n\n\n\n<li>\u767b\u5f55\u6210\u529f \u2192 <code>success.jsp<\/code><\/li>\n\n\n\n<li>Session \u7ef4\u6301\u767b\u5f55\u72b6\u6001<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u5341\u4e00\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u52a0\u5206\u70b9<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Q1\uff1a\u4e3a\u4ec0\u4e48\u7528 application \u5b58\u7528\u6237\uff1f<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7b80\u5355<\/li>\n\n\n\n<li>\u6240\u6709\u7528\u6237\u5171\u4eab<\/li>\n\n\n\n<li>\u4ec5\u9002\u5408\u6559\u5b66<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Q2\uff1a\u771f\u5b9e\u9879\u76ee\u600e\u4e48\u505a\uff1f<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6570\u636e\u5e93\u5b58\u7528\u6237<\/li>\n\n\n\n<li>\u5bc6\u7801\u52a0\u5bc6<\/li>\n\n\n\n<li>Token \/ JWT<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u5341\u4e8c\u3001\u5347\u7ea7\u7248\u5efa\u8bae\uff08\u8bfe\u7a0b\u8bbe\u8ba1\u52a0\u5206\uff09<\/h1>\n\n\n\n<p>\u2714 \u4f7f\u7528 <strong>JSTL + EL<\/strong><br>\u2714 \u52a0\u5165 <strong>\u9a8c\u8bc1\u7801<\/strong><br>\u2714 \u767b\u5f55\u62e6\u622a\u5668\uff08Filter\uff09<br>\u2714 \u9000\u51fa\u767b\u5f55\u529f\u80fd<br>\u2714 \u6570\u636e\u5e93\u5b58\u50a8\uff08MySQL\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e0b\u9762\u7ed9\u4f60\u4e00\u5957**\u300aJSP \u5b9e\u73b0\u7b80\u5355\u767b\u5f55\u4e0e\u6ce8\u518c\u754c\u9762\u7684\u5b8c\u6574\u5168\u8fc7\u7a0b\u300b\uff0c\u4ece\u9875\u9762\u8bbe\u8ba1 \u2192 &#8230; <a class=\"more-link\" href=\"https:\/\/www.52runoob.com\/index.php\/2026\/01\/09\/jsp%e5%ae%9e%e7%8e%b0%e7%ae%80%e5%8d%95%e7%9a%84%e7%99%bb%e5%bd%95%e5%92%8c%e6%b3%a8%e5%86%8c%e7%95%8c%e9%9d%a2%e8%af%a6%e7%bb%86%e5%85%a8%e8%bf%87%e7%a8%8b\/\">Continue Reading &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[54],"tags":[],"class_list":["post-1279","post","type-post","status-publish","format-standard","hentry","category-jsp"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts\/1279","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/comments?post=1279"}],"version-history":[{"count":1,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts\/1279\/revisions"}],"predecessor-version":[{"id":1280,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts\/1279\/revisions\/1280"}],"wp:attachment":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/media?parent=1279"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/categories?post=1279"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/tags?post=1279"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}