{"id":1666,"date":"2017-07-20T16:10:23","date_gmt":"2017-07-20T08:10:23","guid":{"rendered":"http:\/\/www.xttblog.com\/?p=1666"},"modified":"2017-07-20T16:10:23","modified_gmt":"2017-07-20T08:10:23","slug":"%e8%af%a6%e8%a7%a3spring-mvc%e4%b8%ad%e7%9a%84abstractformcontroller","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=1666","title":{"rendered":"\u8be6\u89e3Spring MVC\u4e2d\u7684AbstractFormController"},"content":{"rendered":"<p>\n\tAbstractFormController\u7528\u4e8e\u652f\u6301\u5e26\u6b65\u9aa4\u7684\u8868\u5355\u63d0\u4ea4\u7684\u547d\u4ee4\u63a7\u5236\u5668\u57fa\u7c7b\uff0c\u4f7f\u7528\u8be5\u63a7\u5236\u5668\u53ef\u4ee5\u5b8c\u6210\uff1a\n<\/p>\n<ol>\n<li>\n\t\t\u5b9a\u4e49\u8868\u5355\u5904\u7406\uff08\u8868\u5355\u7684\u6e32\u67d3\uff09\uff0c\u5e76\u4ece\u63a7\u5236\u5668\u83b7\u53d6\u547d\u4ee4\u5bf9\u8c61\u6784\u5efa\u8868\u5355\uff1b\n\t<\/li>\n<li>\n\t\t\u63d0\u4ea4\u8868\u5355\u5904\u7406\uff0c\u5f53\u7528\u6237\u63d0\u4ea4\u8868\u5355\u5185\u5bb9\u540e\uff0cAbstractFormController\u53ef\u4ee5\u5c06\u7528\u6237\u8bf7\u6c42\u7684\u6570\u636e\u7ed1\u5b9a\u5230\u547d\u4ee4\u5bf9\u8c61\uff0c\u5e76\u53ef\u4ee5\u9a8c\u8bc1\u8868\u5355\u5185\u5bb9\u3001\u5bf9\u547d\u4ee4\u5bf9\u8c61\u8fdb\u884c\u5904\u7406\u3002\n\t<\/li>\n<\/ol>\n<p>\n\t\u96c6\u6210&nbsp;AbstractFormController \u7c7b\uff0c\u9700\u8981\u5b9e\u73b0\u5176\u4e2d\u7684handleRequestInternal\u65b9\u6cd5\uff1a\n<\/p>\n<pre class=\"brush:java;\">\r\n@Override  \r\nprotected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response)  \r\nthrows Exception {\r\n\t\/\/1\u3001\u662f\u5426\u662f\u8868\u5355\u63d0\u4ea4\uff1f \u8be5\u65b9\u6cd5\u5b9e\u73b0\u4e3a\uff08&quot;POST&quot;.equals(request.getMethod())\uff09\uff0c\u5373POST\u8868\u793a\u8868\u5355\u63d0\u4ea4  \r\n\tif (isFormSubmission(request)) {  \r\n\t\ttry {  \r\n\t\t\tObject command = getCommand(request);  \r\n\t\t\tServletRequestDataBinder binder = bindAndValidate(request, command);  \r\n\t\t\tBindException errors = new BindException(binder.getBindingResult());  \r\n\t\t\t\t  \/\/\u8868\u5355\u63d0\u4ea4\u5e94\u8be5\u653e\u5230\u8be5\u65b9\u6cd5\u5b9e\u73b0  \r\n\t\t\treturn processFormSubmission(request, response, command, errors);  \r\n\t\t}  \r\n\t\tcatch (HttpSessionRequiredException ex) {  \r\n\t\t\t\t  \/\/\u7701\u7565\u90e8\u5206\u4ee3\u7801  \r\n\t\t\treturn handleInvalidSubmit(request, response);  \r\n\t\t}  \r\n\t}  \r\n\telse {  \r\n\t\t\/\/2\u3001\u8868\u793a\u662f\u8868\u5355\u5c55\u793a\uff0c\u8be5\u65b9\u6cd5\u53c8\u8f6c\u8c03showForm\u65b9\u6cd5\uff0c\u56e0\u6b64\u6211\u4eec\u9700\u8981\u8986\u76d6showForm\u6765\u5b8c\u6210\u8868\u5355\u5c55\u793a  \r\n\t\treturn showNewForm(request, response);  \r\n\t}\r\n}<\/pre>\n<ul>\n<li>\n\t\tbindOnNewForm\uff1a\u662f\u5426\u5728\u8fdb\u884c\u8868\u5355\u5c55\u793a\u65f6\u7ed1\u5b9a\u8bf7\u6c42\u53c2\u6570\u5230\u8868\u5355\u5bf9\u8c61\uff0c\u9ed8\u8ba4false\uff0c\u4e0d\u7ed1\u5b9a\uff1b\n\t<\/li>\n<li>\n\t\tsessionForm\uff1asession\u8868\u5355\u6a21\u5f0f\uff0c\u5982\u679c\u5f00\u542f\uff08true\uff09\u5219\u4f1a\u5c06\u8868\u5355\u5bf9\u8c61\u653e\u7f6e\u5230session\u4e2d\uff0c\u4ece\u800c\u53ef\u4ee5\u8de8\u8d8a\u591a\u6b21\u8bf7\u6c42\u4fdd\u8bc1\u6570\u636e\u4e0d\u4e22\u5931\uff08\u591a\u6b65\u9aa4\u8868\u5355\u5e38\u4f7f\u7528\u8be5\u65b9\u5f0f\uff0c\u8be6\u89e3AbstractWizardFormController\uff09\uff0c\u9ed8\u8ba4false\uff1b\n\t<\/li>\n<li>\n\t\tObject formBackingObject(HttpServletRequest request) \uff1a\u63d0\u4f9b\u7ed9\u8868\u5355\u5c55\u793a\u65f6\u4f7f\u7528\u7684\u8868\u5355\u5bf9\u8c61\uff08form object\u8868\u5355\u8981\u5c55\u793a\u7684\u9ed8\u8ba4\u6570\u636e\uff09\uff0c\u9ed8\u8ba4\u901a\u8fc7commandName\u66b4\u9732\u5230\u8bf7\u6c42\u7ed9\u5c55\u793a\u8868\u5355\uff1b\n\t<\/li>\n<li>\n\t\tMap referenceData(HttpServletRequest request, Object command, Errors errors)\uff1a\u5c55\u793a\u8868\u5355\u65f6\u9700\u8981\u7684\u4e00\u4e9b\u5f15\u7528\u6570\u636e\uff08\u6bd4\u5982\u7528\u6237\u6ce8\u518c\uff0c\u53ef\u80fd\u9700\u8981\u9009\u62e9\u5de5\u4f5c\u5730\u70b9\uff0c\u8fd9\u4e9b\u6570\u636e\u53ef\u4ee5\u901a\u8fc7\u8be5\u65b9\u6cd5\u63d0\u4f9b\uff09\uff0c\u5982\uff1a\n\t<\/li>\n<\/ul>\n<pre class=\"brush:java;\">\r\nprotected Map referenceData(HttpServletRequest request) throws Exception {  \r\n\tMap model = new HashMap();  \r\n\tmodel.put(&quot;cityList&quot;, cityList);  \r\n\treturn model;  \r\n}  <\/pre>\n<p>\n\t\u8fd9\u6837\u5c31\u53ef\u4ee5\u5728\u8868\u5355\u5c55\u793a\u9875\u9762\u83b7\u53d6cityList\u6570\u636e\u3002<\/p>\n<!-- <audio autoplay=\"autoplay\" height=\"100\" width=\"100\" hidden=\"true\"><source src=\"https:\/\/c.coka.la\/orAvPR.mp3\" type=\"audio\/mp3\"\/><\/audio><img decoding=\"async\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/ws3.sinaimg.cn\/large\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/> --><p><!-- <img decoding=\"async\" src=\"https:\/\/raw.githubusercontent.com\/xmt1139057136\/xttblog\/master\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/>--><img decoding=\"async\" src=\"https:\/\/saas.51autoparts.cn\/api\/admin\/sys-file\/oss\/file?fileName=84db51f8561e448f9a4fda2eff0811f9.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/><\/p><p>\u6700\u540e\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u4e2a\u4eba\u5fae\u4fe1\u516c\u4f17\u53f7\uff1a\u4e1a\u4f59\u8349\uff08yyucao\uff09\uff01<b>\u53ef\u52a0\u4f5c\u8005\u5fae\u4fe1\u53f7\uff1a<font color=\"red\">xttblog2<\/font>\u3002\u5907\u6ce8\uff1a\u201c1\u201d\uff0c\u6dfb\u52a0\u535a\u4e3b\u5fae\u4fe1\u62c9\u4f60\u8fdb\u5fae\u4fe1\u7fa4\u3002\u5907\u6ce8\u9519\u8bef\u4e0d\u4f1a\u540c\u610f\u597d\u53cb\u7533\u8bf7\u3002<\/b>\u518d\u6b21\u611f\u8c22\u60a8\u7684\u5173\u6ce8\uff01\u540e\u7eed\u6709\u7cbe\u5f69\u5185\u5bb9\u4f1a\u7b2c\u4e00\u65f6\u95f4\u53d1\u7ed9\u60a8\uff01\u539f\u521b\u6587\u7ae0\u6295\u7a3f\u8bf7\u53d1\u9001\u81f3532009913@qq.com\u90ae\u7bb1\u3002\u5546\u52a1\u5408\u4f5c\u4e5f\u53ef\u6dfb\u52a0\u4f5c\u8005\u5fae\u4fe1\u8fdb\u884c\u8054\u7cfb\uff01<\/p><p>\u672c\u6587\u539f\u6587\u51fa\u5904\uff1a<a href=\"https:\/\/www.xttblog.com\">\u4e1a\u4f59\u8349<\/a>\uff1a &raquo; <a href=\"https:\/\/www.xttblog.com\/?p=1666\">\u8be6\u89e3Spring MVC\u4e2d\u7684AbstractFormController<\/a><\/p><!-- <div class=\"bd-reward-stl\"><button id=\"bdRewardBtn\"><span><\/span><\/button><\/div> -->","protected":false},"excerpt":{"rendered":"<p>AbstractFormController\u7528\u4e8e\u652f\u6301\u5e26\u6b65\u9aa4\u7684\u8868\u5355\u63d0\u4ea4\u7684\u547d\u4ee4\u63a7\u5236\u5668\u57fa\u7c7b\uff0c\u4f7f\u7528\u8be5\u63a7\u5236\u5668\u53ef\u4ee5\u5b8c\u6210\uff1a  [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[1384,1383,1348,1350,1359],"class_list":["post-1666","post","type-post","status-publish","format-standard","hentry","category-java","tag-abstractformcontroller","tag-abstractwizardformcontroller","tag-mvc","tag-spring-mvc","tag-spring-mvc-"],"_links":{"self":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/1666","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1666"}],"version-history":[{"count":1,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/1666\/revisions"}],"predecessor-version":[{"id":1667,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/1666\/revisions\/1667"}],"wp:attachment":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1666"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1666"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1666"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}