{"id":111,"date":"2023-02-18T10:01:30","date_gmt":"2023-02-18T02:01:30","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=111"},"modified":"2023-02-18T10:02:19","modified_gmt":"2023-02-18T02:02:19","slug":"java-forward-redirect-difference","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/02\/18\/java-forward-redirect-difference\/","title":{"rendered":"Java\u4e2dforward\u548credirect\u7684\u533a\u522b"},"content":{"rendered":"<p>\u5728Servlet\u4e2d\u4e24\u79cd\u5b9e\u73b0\uff1a<\/p>\n<ul>\n<li><code>forward<\/code>\u65b9\u5f0f\uff1a<code>request.getRequestDispatcher(&quot;\/somePage.jsp&quot;).forward(request, response);<\/code><\/li>\n<li><code>redirect<\/code>\u65b9\u5f0f\uff1a<code>response.sendRedirect(&quot;\/somePage.jsp&quot;);<\/code><\/li>\n<\/ul>\n<p><!-- more --><\/p>\n<p><code>forward<\/code>\u662f\u670d\u52a1\u5668\u5185\u90e8\u91cd\u5b9a\u5411\uff0c\u7a0b\u5e8f\u6536\u5230\u8bf7\u6c42\u540e\u91cd\u65b0\u5b9a\u5411\u5230\u53e6\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u5ba2\u6237\u673a\u5e76\u4e0d\u77e5\u9053\uff1b<code>redirect<\/code>\u5219\u662f\u670d\u52a1\u5668\u6536\u5230\u8bf7\u6c42\u540e\u53d1\u9001\u4e00\u4e2a\u72b6\u6001\u5934\u7ed9\u5ba2\u6237\uff0c\u5ba2\u6237\u5c06\u518d\u8bf7\u6c42\u4e00\u6b21\uff0c\u8fd9\u91cc\u591a\u4e86\u4e24\u6b21\u7f51\u7edc\u901a\u4fe1\u7684\u6765\u5f80\u3002<\/p>\n<ul>\n<li><code>forward<\/code>\u4f1a\u5c06<code>request state<\/code>, <code>bean<\/code>\u7b49\u7b49\u4fe1\u606f\u5e26\u5f80\u4e0b\u4e00\u4e2a\u9875\u9762\uff0c\u4f7f\u7528<code>forward<\/code>\u5c31\u53ef\u4ee5\u7528<code>getAttribute()<\/code>\u6765\u53d6\u5f97\u524d\u4e00\u4e2a<code>jsp<\/code>\u6240\u653e\u5165\u7684<code>bean<\/code>\u7b49\u8d44\u6599<\/li>\n<li><code>redirect<\/code>\u662f\u9001\u5230<code>client<\/code>\u7aef\u540e\u518d\u4e00\u6b21<code>request<\/code>\uff0c\u6240\u4ee5\u8d44\u6599\u4e0d\u88ab\u4fdd\u7559<\/li>\n<\/ul>\n<ol>\n<li><code>forward<\/code>\u662f\u670d\u52a1\u5668\u5185\u90e8\u91cd\u5b9a\u5411\uff0c<code>redirect<\/code>\u5219\u662f\u670d\u52a1\u5668\u6536\u5230\u8bf7\u6c42\u540e\u53d1\u9001\u4e00\u4e2a\u72b6\u6001\u5934\u7ed9\u5ba2\u6237<\/li>\n<li><code>forward<\/code>\u662f\u670d\u52a1\u5668\u5185\u90e8\u91cd\u5b9a\u5411\uff0c\u7a0b\u5e8f\u6536\u5230\u8bf7\u6c42\u540e\u91cd\u65b0\u5b9a\u5411\u5230\u53e6\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u5ba2\u6237\u673a\u5e76\u4e0d\u77e5\u9053<\/li>\n<li><code>redirect<\/code>\u5219\u662f\u670d\u52a1\u5668\u6536\u5230\u8bf7\u6c42\u540e\u53d1\u9001\u4e00\u4e2a\u72b6\u6001\u5934\u7ed9\u5ba2\u6237\uff0c\u5ba2\u6237\u5c06\u518d\u8bf7\u6c42\u4e00\u6b21\uff0c\u8fd9\u91cc\u591a\u4e86\u4e24\u6b21\u7f51\u7edc\u901a\u4fe1\u7684\u6765\u5f80<\/li>\n<li><code>forward<\/code>\u4e5f\u6709\u7f3a\u70b9\uff0c\u5c31\u662f<code>forward<\/code>\u7684\u9875\u9762\u8def\u5f84\u5982\u679c\u662f\u76f8\u5bf9\u8def\u5f84\u5c31\u4f1a\u6709\u4e9b\u95ee\u9898<\/li>\n<li><code>forward<\/code>\u662f\u670d\u52a1\u5668\u8bf7\u6c42\u8d44\u6e90\uff0c\u670d\u52a1\u5668\u76f4\u63a5\u8bbf\u95ee\u76ee\u6807\u5730\u5740\u7684URL\uff0c\u628a\u90a3\u4e2aURL\u7684\u54cd\u5e94\u5185\u5bb9\u8bfb\u53d6\u8fc7\u6765\uff0c\u7136\u540e\u628a\u8fd9\u4e9b\u5185\u5bb9\u518d\u53d1\u7ed9\u6d4f\u89c8\u5668<\/li>\n<\/ol>\n<p>\u5728\u6709\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6bd4\u5982\uff0c\u9700\u8981\u8df3\u8f6c\u5230\u4e00\u4e2a\u5176\u5b83\u670d\u52a1\u5668\u4e0a\u7684\u8d44\u6e90\uff0c\u5219\u5fc5\u987b\u4f7f\u7528<code>sendRedirect<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728Servlet\u4e2d\u4e24\u79cd\u5b9e\u73b0\uff1a forward\u65b9\u5f0f\uff1arequest.getRequestDispatcher(&#038; [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43],"tags":[],"class_list":["post-111","post","type-post","status-publish","format-standard","hentry","category-java-basic"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/111","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=111"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/111\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=111"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}