{"id":255,"date":"2018-04-03T15:17:00","date_gmt":"2018-04-03T07:17:00","guid":{"rendered":"https:\/\/cn1.club\/?p=255"},"modified":"2025-03-15T22:29:23","modified_gmt":"2025-03-15T14:29:23","slug":"mvc%e4%b8%ad%e7%9a%84-modelattribute-%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"http:\/\/cn1.club\/?p=255","title":{"rendered":"MVC\u4e2d\u7684 @ModelAttribute \u8be6\u89e3"},"content":{"rendered":"\n<p>1.@ModelAttribute\u6ce8\u91cavoid\u8fd4\u56de\u503c\u7684\u65b9\u6cd5<\/p>\n\n\n\n<p><strong>[java]<\/strong><a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">view plain<\/a>&nbsp;<a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">copy<\/a><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>@Controller\u00a0\u00a0<\/li>\n\n\n\n<li><strong>public<\/strong>\u00a0<strong>class<\/strong>\u00a0HelloModelController\u00a0{\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0@ModelAttribute\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0<strong>public<\/strong>\u00a0<strong>void<\/strong>\u00a0populateModel(@RequestParam\u00a0String\u00a0abc,\u00a0Model\u00a0model)\u00a0{\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0model.addAttribute(\"attributeName\",\u00a0abc);\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0}\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0@RequestMapping(value\u00a0=\u00a0\"\/helloWorld\")\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0<strong>public<\/strong>\u00a0String\u00a0helloWorld()\u00a0{\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<strong>return<\/strong>\u00a0\"helloWorld.jsp\";\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0}\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0<\/li>\n\n\n\n<li>}\u00a0\u00a0<\/li>\n<\/ol>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u4ee3\u7801\u4e2d\uff0c\u8bbf\u95ee\u63a7\u5236\u5668\u65b9\u6cd5helloWorld\u65f6\uff0c\u4f1a\u9996\u5148\u8c03\u7528populateModel\u65b9\u6cd5\uff0c\u5c06\u9875\u9762\u53c2\u6570abc(\/helloWorld.ht?abc=text)\u653e\u5230model\u7684attributeName\u5c5e\u6027\u4e2d\uff0c\u5728\u89c6\u56fe\u4e2d\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u3002<\/p>\n\n\n\n<p>jsp\u9875\u9762\u9875\u9762\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p><strong>[html]<\/strong><a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">view plain<\/a>&nbsp;<a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">copy<\/a><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>&lt;<\/strong>%@\u00a0page\u00a0language=\"java\"\u00a0contentType=\"text\/html;\u00a0charset=utf-8\"\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0pageEncoding=\"utf-8\"%<strong>><\/strong>\u00a0\u00a0<\/li>\n\n\n\n<li><strong>&lt;<\/strong>%@taglib\u00a0prefix=\"c\"\u00a0uri=\"http:\/\/java.sun.com\/jsp\/jstl\/core\"%<strong>><\/strong>\u00a0\u00a0<\/li>\n\n\n\n<li><strong>&lt;<\/strong><strong>html<\/strong><strong>><\/strong>\u00a0\u00a0<\/li>\n\n\n\n<li><strong>&lt;<\/strong><strong>head<\/strong><strong>><\/strong>\u00a0\u00a0<\/li>\n\n\n\n<li><strong>&lt;\/<\/strong><strong>head<\/strong><strong>><\/strong>\u00a0\u00a0<\/li>\n\n\n\n<li><strong>&lt;<\/strong><strong>body<\/strong><strong>><\/strong>\u00a0\u00a0<\/li>\n\n\n\n<li><strong>&lt;<\/strong><strong>c:out<\/strong>\u00a0value=\"${attributeName}\"<strong>><\/strong><strong>&lt;\/<\/strong><strong>c:out<\/strong><strong>><\/strong>\u00a0\u00a0<\/li>\n\n\n\n<li><strong>&lt;\/<\/strong><strong>body<\/strong><strong>><\/strong>\u00a0\u00a0<\/li>\n\n\n\n<li><strong>&lt;\/<\/strong><strong>html<\/strong><strong>><\/strong>\u00a0\u00a0<\/li>\n<\/ol>\n\n\n\n<p><br><br>2.@ModelAttribute\u6ce8\u91ca\u8fd4\u56de\u5177\u4f53\u7c7b\u7684\u65b9\u6cd5<\/p>\n\n\n\n<p><strong>[java]<\/strong><a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">view plain<\/a>&nbsp;<a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">copy<\/a><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>@Controller\u00a0\u00a0<\/li>\n\n\n\n<li><strong>public<\/strong>\u00a0<strong>class<\/strong>\u00a0Hello2ModelController\u00a0{\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0@ModelAttribute\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0<strong>public<\/strong>\u00a0User\u00a0populateModel()\u00a0{\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0User\u00a0user=<strong>new<\/strong>\u00a0User();\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0user.setAccount(\"ray\");\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<strong>return<\/strong>\u00a0user;\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0}\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0@RequestMapping(value\u00a0=\u00a0\"\/helloWorld2\")\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0<strong>public<\/strong>\u00a0String\u00a0helloWorld()\u00a0{\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<strong>return<\/strong>\u00a0\"helloWorld.jsp\";\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0}\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>}\u00a0\u00a0<\/li>\n<\/ol>\n\n\n\n<p>\u5f53\u7528\u6237\u8bf7\u6c42 http:\/\/localhost:8080\/test\/helloWorld2.html\u65f6\uff0c\u9996\u5148\u8bbf\u95eepopulateModel\u65b9\u6cd5\uff0c\u8fd4\u56deUser\u5bf9\u8c61\uff0cmodel\u5c5e\u6027\u7684\u540d\u79f0\u6ca1\u6709\u6307\u5b9a\uff0c\u5b83\u7531\u8fd4\u56de\u7c7b\u578b\u9690\u542b\u8868\u793a\uff0c\u5982\u8fd9\u4e2a\u65b9\u6cd5\u8fd4\u56deUser\u7c7b\u578b\uff0c\u90a3\u4e48\u8fd9\u4e2amodel\u5c5e\u6027\u7684\u540d\u79f0\u662fuser\u3002&nbsp;<br>\u8fd9\u4e2a\u4f8b\u5b50\u4e2dmodel\u5c5e\u6027\u540d\u79f0\u6709\u8fd4\u56de\u5bf9\u8c61\u7c7b\u578b\u9690\u542b\u8868\u793a\uff0cmodel\u5c5e\u6027\u5bf9\u8c61\u5c31\u662f\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u3002\u5b83\u65e0\u987b\u8981\u7279\u5b9a\u7684\u53c2\u6570\u3002<\/p>\n\n\n\n<p>jsp \u4e2d\u5982\u4e0b\u8bbf\u95ee\uff1a<br><\/p>\n\n\n\n<p><strong>[html]<\/strong><a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">view plain<\/a>&nbsp;<a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">copy<\/a><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>&lt;<\/strong><strong>c:out<\/strong>\u00a0value=\"${user.account}\"<strong>><\/strong><strong>&lt;\/<\/strong><strong>c:out<\/strong><strong>><\/strong>\u00a0\u00a0<\/li>\n<\/ol>\n\n\n\n<p><br><br>\u4e5f\u53ef\u4ee5\u6307\u5b9a\u5c5e\u6027\u540d\u79f0<br><br><\/p>\n\n\n\n<p><strong>[java]<\/strong><a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">view plain<\/a>&nbsp;<a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">copy<\/a><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>@Controller\u00a0\u00a0<\/li>\n\n\n\n<li><strong>public<\/strong>\u00a0<strong>class<\/strong>\u00a0Hello2ModelController\u00a0{\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0@ModelAttribute(value=\"myUser\")\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0<strong>public<\/strong>\u00a0User\u00a0populateModel()\u00a0{\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0User\u00a0user=<strong>new<\/strong>\u00a0User();\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0user.setAccount(\"ray\");\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<strong>return<\/strong>\u00a0user;\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0}\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0@RequestMapping(value\u00a0=\u00a0\"\/helloWorld2\")\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0<strong>public<\/strong>\u00a0String\u00a0helloWorld(Model\u00a0map)\u00a0{\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<strong>return<\/strong>\u00a0\"helloWorld.jsp\";\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0}\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>}\u00a0\u00a0<\/li>\n<\/ol>\n\n\n\n<p><br><br>jsp\u4e2d\u5982\u4e0b\u8bbf\u95ee\uff1a<br><br><\/p>\n\n\n\n<p><strong>[html]<\/strong><a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">view plain<\/a>&nbsp;<a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">copy<\/a><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>&lt;<\/strong><strong>c:out<\/strong>\u00a0value=\"${myUser.account}\"<strong>><\/strong><strong>&lt;\/<\/strong><strong>c:out<\/strong><strong>><\/strong>\u00a0\u00a0<\/li>\n<\/ol>\n\n\n\n<p>\u5bf9\u8c61\u5408\u5e76:<\/p>\n\n\n\n<p><strong>[java]<\/strong><a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">view plain<\/a>&nbsp;<a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">copy<\/a><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>@Controller\u00a0\u00a0<\/li>\n\n\n\n<li><strong>public<\/strong>\u00a0<strong>class<\/strong>\u00a0Hello2ModelController\u00a0{\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0@ModelAttribute\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0<strong>public<\/strong>\u00a0User\u00a0populateModel()\u00a0{\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0User\u00a0user=<strong>new<\/strong>\u00a0User();\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0user.setAccount(\"ray\");\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<strong>return<\/strong>\u00a0user;\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0}\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0@RequestMapping(value\u00a0=\u00a0\"\/helloWorld2\")\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0<strong>public<\/strong>\u00a0String\u00a0helloWorld(User\u00a0user)\u00a0{\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0user.setName(\"\u8001\u738b\");\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<strong>return<\/strong>\u00a0\"helloWorld.jsp\";\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0}\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>}\u00a0\u00a0<\/li>\n<\/ol>\n\n\n\n<p>\u5bf9\u8c61\u5408\u5e76\u6307\u5b9a\u5bf9\u8c61\u540d\u79f0\uff1a<\/p>\n\n\n\n<p><strong>[java]<\/strong><a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">view plain<\/a>&nbsp;<a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">copy<\/a><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>@Controller\u00a0\u00a0<\/li>\n\n\n\n<li><strong>public<\/strong>\u00a0<strong>class<\/strong>\u00a0Hello2ModelController\u00a0{\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0@ModelAttribute(\"myUser\")\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0<strong>public<\/strong>\u00a0User\u00a0populateModel()\u00a0{\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0User\u00a0user=<strong>new<\/strong>\u00a0User();\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0user.setAccount(\"ray\");\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<strong>return<\/strong>\u00a0user;\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0}\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0@RequestMapping(value\u00a0=\u00a0\"\/helloWorld2\")\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0<strong>public<\/strong>\u00a0String\u00a0helloWorld(@ModelAttribute(\"myUser\")\u00a0User\u00a0user)\u00a0{\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0user.setName(\"\u8001\u738b\");\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<strong>return<\/strong>\u00a0\"helloWorld.jsp\";\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0}\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>}\u00a0\u00a0<\/li>\n<\/ol>\n\n\n\n<p>\u8fd9\u6837\u5728jsp\u4e2d\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u65b9\u5f0f\u8bbf\u95ee<\/p>\n\n\n\n<p><strong>[html]<\/strong><a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">view plain<\/a>&nbsp;<a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">copy<\/a><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>&lt;<\/strong><strong>c:out<\/strong>\u00a0value=\"${myUser.name}\"<strong>><\/strong><strong>&lt;\/<\/strong><strong>c:out<\/strong><strong>><\/strong>\u00a0\u00a0<\/li>\n\n\n\n<li><strong>&lt;<\/strong><strong>c:out<\/strong>\u00a0value=\"${myUser.account}\"<strong>><\/strong><strong>&lt;\/<\/strong><strong>c:out<\/strong><strong>><\/strong>\u00a0\u00a0<\/li>\n<\/ol>\n\n\n\n<p>3.\u901a\u8fc7\u6b64\u7279\u6027\u63a7\u5236\u6743\u9650.<\/p>\n\n\n\n<p>\u6211\u4eec\u53ef\u4ee5\u5728\u57fa\u7c7b\u65b9\u6cd5\u4e2d\u63a7\u5236\u5199\u6b64\u6ce8\u89e3\uff0c\u9700\u8981\u63a7\u5236\u6743\u9650\u7684\u63a7\u5236\u5668\uff0c\u7ee7\u627f\u63a7\u5236\u5668\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n\n\n\n<p><strong>[java]<\/strong><a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">view plain<\/a>&nbsp;<a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">copy<\/a><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>public<\/strong>\u00a0<strong>class<\/strong>\u00a0BaseController\u00a0{\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0@ModelAttribute\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0<strong>public<\/strong>\u00a0<strong>void<\/strong>\u00a0populateModel()\u00a0<strong>throws<\/strong>\u00a0Exception\u00a0{\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0SysUser\u00a0user=ContextUtil.getCurrentUser();\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<strong>if<\/strong>(user.getAccount().equals(\"admin\")){\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<strong>throw<\/strong>\u00a0<strong>new<\/strong>\u00a0Exception(\"\u6ca1\u6709\u6743\u9650\");\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0}\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>}\u00a0\u00a0<\/li>\n<\/ol>\n\n\n\n<p><br><br>\u9700\u8981\u63a7\u5236\u6743\u9650\u7684\u7c7b\u7ee7\u627fBaseController<\/p>\n\n\n\n<p><strong>[java]<\/strong><a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">view plain<\/a>&nbsp;<a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">copy<\/a><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>@Controller\u00a0\u00a0<\/li>\n\n\n\n<li><strong>public<\/strong>\u00a0<strong>class<\/strong>\u00a0Hello2ModelController\u00a0<strong>extends<\/strong>\u00a0BaseController\u00a0{\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0@RequestMapping(value\u00a0=\u00a0\"\/helloWorld2\")\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0<strong>public<\/strong>\u00a0String\u00a0helloWorld(@ModelAttribute(\"myUser\")\u00a0User\u00a0user)\u00a0{\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0user.setName(\"\u8001\u738b\");\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<strong>return<\/strong>\u00a0\"helloWorld.jsp\";\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0}\u00a0\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>}\u00a0\u00a0<\/li>\n<\/ol>\n\n\n\n<p><br><br>\u8fd9\u6837\u5c31\u53ef\u4ee5\u63a7\u5236\u6743\u9650\u4e86\uff0c\u5f53\u7136\u63a7\u5236\u6743\u9650\u7684\u65b9\u6cd5\u6709\u5f88\u591a\uff0c\u6bd4\u5982\u901a\u8fc7\u8fc7\u6ee4\u5668\u7b49\u3002\u8fd9\u91cc\u53ea\u662f\u63d0\u4f9b\u4e00\u79cd\u601d\u8def\u3002<\/p>\n\n\n\n<p>\u603b\u7ed3\uff1a<\/p>\n\n\n\n<p>@ModelAttribute\u5177\u6709\u5982\u4e0b\u4e09\u4e2a\u4f5c\u7528\uff1a<\/p>\n\n\n\n<p>\u2460\u7ed1\u5b9a\u8bf7\u6c42\u53c2\u6570\u5230\u547d\u4ee4\u5bf9\u8c61\uff1a\u653e\u5728\u529f\u80fd\u5904\u7406\u65b9\u6cd5\u7684\u5165\u53c2\u4e0a\u65f6\uff0c\u7528\u4e8e\u5c06\u591a\u4e2a\u8bf7\u6c42\u53c2\u6570\u7ed1\u5b9a\u5230\u4e00\u4e2a\u547d\u4ee4\u5bf9\u8c61\uff0c\u4ece\u800c\u7b80\u5316\u7ed1\u5b9a\u6d41\u7a0b\uff0c\u800c\u4e14\u81ea\u52a8\u66b4\u9732\u4e3a\u6a21\u578b\u6570\u636e\u7528\u4e8e\u89c6\u56fe\u9875\u9762\u5c55\u793a\u65f6\u4f7f\u7528\u3002\u5176\u5b9e@ModelAttribute\u6b64\u5904\u5bf9\u4e8e\u4f9b\u89c6\u56fe\u9875\u9762\u5c55\u793a\u6765\u8bf4\u4e0emodel.addAttribute(\"attributeName\",&nbsp;abc);\u529f\u80fd\u7c7b\u4f3c\u3002<\/p>\n\n\n\n<p><strong>[java]<\/strong><a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">view plain<\/a>&nbsp;<a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">copy<\/a><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>public<\/strong>\u00a0String\u00a0test(@ModelAttribute(\"user\")\u00a0UserModel\u00a0user)\u00a0\u00a0\u00a0<\/li>\n<\/ol>\n\n\n\n<p>\u6b64\u5904\u591a\u4e86\u4e00\u4e2a\u6ce8\u89e3@ModelAttribute(\"user\")\uff0c\u5b83\u7684\u4f5c\u7528\u662f\u5c06\u8be5\u7ed1\u5b9a\u7684\u547d\u4ee4\u5bf9\u8c61\u4ee5\u201cuser\u201d\u4e3a\u540d\u79f0\u6dfb\u52a0\u5230\u6a21\u578b\u5bf9\u8c61\u4e2d\u4f9b\u89c6\u56fe\u9875\u9762\u5c55\u793a\u4f7f\u7528\u3002\u6211\u4eec\u6b64\u65f6\u53ef\u4ee5\u5728\u89c6\u56fe\u9875\u9762\u4f7f\u7528${user.username}\u6765\u83b7\u53d6\u7ed1\u5b9a\u7684\u547d\u4ee4\u5bf9\u8c61\u7684\u5c5e\u6027\u3002<\/p>\n\n\n\n<p>\u2461\u66b4\u9732@RequestMapping \u65b9\u6cd5\u8fd4\u56de\u503c\u4e3a\u6a21\u578b\u6570\u636e\uff1a\u653e\u5728\u529f\u80fd\u5904\u7406\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u4e0a\u65f6\uff0c\u662f\u66b4\u9732\u529f\u80fd\u5904\u7406\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u4e3a\u6a21\u578b\u6570\u636e\uff0c\u7528\u4e8e\u89c6\u56fe\u9875\u9762\u5c55\u793a\u65f6\u4f7f\u7528\u3002<\/p>\n\n\n\n<p><strong>[java]<\/strong><a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">view plain<\/a>&nbsp;<a href=\"https:\/\/blog.csdn.net\/hejingyuan6\/article\/details\/49995987#\">copy<\/a><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>public<\/strong>\u00a0@ModelAttribute(\"user2\")\u00a0UserModel\u00a0test3(@ModelAttribute(\"user2\")\u00a0UserModel\u00a0user)\u00a0\u00a0<\/li>\n<\/ol>\n\n\n\n<p>\u5927\u5bb6\u53ef\u4ee5\u770b\u5230\u8fd4\u56de\u503c\u7c7b\u578b\u662f\u547d\u4ee4\u5bf9\u8c61\u7c7b\u578b\uff0c\u800c\u4e14\u901a\u8fc7@ModelAttribute(\"user2\")\u6ce8\u89e3\uff0c\u6b64\u65f6\u4f1a\u66b4\u9732\u8fd4\u56de\u503c\u5230\u6a21\u578b\u6570\u636e\uff08 \u540d\u5b57\u4e3auser2 \uff09 \u4e2d\u4f9b\u89c6\u56fe\u5c55\u793a\u4f7f\u7528<\/p>\n\n\n\n<p>@ModelAttribute \u6ce8\u89e3\u7684\u8fd4\u56de\u503c\u4f1a\u8986\u76d6@RequestMapping \u6ce8\u89e3\u65b9\u6cd5\u4e2d\u7684@ModelAttribute \u6ce8\u89e3\u7684\u540c\u540d\u547d\u4ee4\u5bf9\u8c61<\/p>\n\n\n\n<p><br><br><br><br>\u2462\u66b4\u9732\u8868\u5355\u5f15\u7528\u5bf9\u8c61\u4e3a\u6a21\u578b\u6570\u636e\uff1a\u653e\u5728\u5904\u7406\u5668\u7684\u4e00\u822c\u65b9\u6cd5\uff08\u975e\u529f\u80fd\u5904\u7406\u65b9\u6cd5\uff09\u4e0a\u65f6\uff0c\u662f\u4e3a\u8868\u5355\u51c6\u5907\u8981\u5c55\u793a\u7684\u8868\u5355\u5f15\u7528\u5bf9\u8c61\uff0c\u5982\u6ce8\u518c\u65f6\u9700\u8981\u9009\u62e9\u7684\u6240\u5728\u57ce\u5e02\u7b49\uff0c\u800c\u4e14\u5728\u6267\u884c\u529f\u80fd\u5904\u7406\u65b9\u6cd5\uff08@RequestMapping \u6ce8\u89e3\u7684\u65b9\u6cd5\uff09\u4e4b\u524d\uff0c\u81ea\u52a8\u6dfb\u52a0\u5230\u6a21\u578b\u5bf9\u8c61\u4e2d\uff0c\u7528\u4e8e\u89c6\u56fe\u9875\u9762\u5c55\u793a\u65f6\u4f7f\u7528\uff1b<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1.@ModelAttribute\u6ce8\u91cavoid\u8fd4\u56de\u503c\u7684\u65b9\u6cd5 [java]view plain&nbsp;cop [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"class_list":["post-255","post","type-post","status-publish","format-standard","hentry","category-coder"],"_links":{"self":[{"href":"http:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/posts\/255","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/cn1.club\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=255"}],"version-history":[{"count":0,"href":"http:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/posts\/255\/revisions"}],"wp:attachment":[{"href":"http:\/\/cn1.club\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/cn1.club\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=255"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/cn1.club\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}