{"id":12191,"date":"2023-11-28T22:46:08","date_gmt":"2023-11-28T14:46:08","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=12191"},"modified":"2023-12-11T15:42:36","modified_gmt":"2023-12-11T07:42:36","slug":"springmvc-neng-gan-shen-me","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/springmvc-neng-gan-shen-me\/","title":{"rendered":"SpringMVC\u80fd\u5e72\u4ec0\u4e48\uff1f"},"content":{"rendered":"

SpringMVC\u662fSpring\u6846\u67b6\u4e2d\u7684\u4e00\u4e2aWeb\u6a21\u5757\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u57fa\u4e8eMVC\uff08Model-View-Controller\uff09\u8bbe\u8ba1\u6a21\u5f0f\u7684\u8f7b\u91cf\u7ea7Web\u5e94\u7528\u5f00\u53d1\u6846\u67b6\u3002SpringMVC\u65e8\u5728\u7b80\u5316\u548c\u6807\u51c6\u5316Java Web\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\uff0c\u63d0\u4f9b\u4e86\u4e00\u79cd\u7ed3\u6784\u826f\u597d\u3001\u6a21\u5757\u5316\u3001\u7075\u6d3b\u6027\u9ad8\u7684\u65b9\u5f0f\u6765\u6784\u5efaWeb\u5e94\u7528\u3002<\/p>\n

\u4ee5\u4e0b\u662fSpringMVC\u7684\u4e00\u4e9b\u4e3b\u8981\u529f\u80fd\u548c\u7279\u70b9\uff1a<\/p>\n

    \n
  1. \nMVC\u8bbe\u8ba1\u6a21\u5f0f\uff1a<\/strong><\/p>\n
      \n
    • SpringMVC\u91c7\u7528\u4e86\u7ecf\u5178\u7684MVC\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u5c06\u5e94\u7528\u7a0b\u5e8f\u5212\u5206\u4e3a\u4e09\u4e2a\u4e3b\u8981\u7ec4\u4ef6\uff1a\n
        \n
      • Model\uff08\u6a21\u578b\uff09\uff1a<\/strong> \u4ee3\u8868\u5e94\u7528\u7a0b\u5e8f\u7684\u6570\u636e\u548c\u4e1a\u52a1\u903b\u8f91\u3002<\/li>\n
      • View\uff08\u89c6\u56fe\uff09\uff1a<\/strong> \u8d1f\u8d23\u6e32\u67d3\u548c\u5448\u73b0\u6a21\u578b\u6570\u636e\u3002<\/li>\n
      • Controller\uff08\u63a7\u5236\u5668\uff09\uff1a<\/strong> \u5904\u7406\u7528\u6237\u8bf7\u6c42\uff0c\u8c03\u7528\u6a21\u578b\u548c\u89c6\u56fe\u6765\u5b8c\u6210\u76f8\u5e94\u7684\u4e1a\u52a1\u903b\u8f91\u548c\u5c55\u793a\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n
      • \n\u677e\u8026\u5408\uff1a<\/strong><\/p>\n
          \n
        • SpringMVC\u91c7\u7528\u677e\u8026\u5408\u7684\u8bbe\u8ba1\uff0c\u901a\u8fc7\u4f9d\u8d56\u6ce8\u5165\uff08DI\uff09\u548c\u63a7\u5236\u53cd\u8f6c\uff08IoC\uff09\u6765\u5b9e\u73b0\u7ec4\u4ef6\u4e4b\u95f4\u7684\u89e3\u8026\u3002\u8fd9\u4f7f\u5f97\u5f00\u53d1\u8005\u80fd\u591f\u66f4\u5bb9\u6613\u7f16\u5199\u53ef\u7ef4\u62a4\u3001\u53ef\u6d4b\u8bd5\u7684\u4ee3\u7801\u3002<\/li>\n<\/ul>\n<\/li>\n
        • \n\u8bf7\u6c42\u6620\u5c04\uff1a<\/strong><\/p>\n
            \n
          • SpringMVC\u901a\u8fc7@RequestMapping<\/code>\u6ce8\u89e3\u6216XML\u914d\u7f6e\u6765\u5c06\u8bf7\u6c42\u6620\u5c04\u5230\u76f8\u5e94\u7684\u5904\u7406\u65b9\u6cd5\u3002\u8fd9\u4f7f\u5f97\u5f00\u53d1\u8005\u53ef\u4ee5\u901a\u8fc7\u7075\u6d3b\u7684\u65b9\u5f0f\u5b9a\u4e49URL\u4e0e\u5904\u7406\u65b9\u6cd5\u7684\u6620\u5c04\u5173\u7cfb\u3002<\/li>\n<\/ul>\n
            @Controller\npublic class MyController {\n\n    @RequestMapping("\/hello")\n    public String hello() {\n        return "helloPage";\n    }\n}\n<\/code><\/pre>\n<\/li>\n
          • \n\u6570\u636e\u7ed1\u5b9a\u548c\u9a8c\u8bc1\uff1a<\/strong><\/p>\n
              \n
            • SpringMVC\u652f\u6301\u5c06\u8bf7\u6c42\u53c2\u6570\u7ed1\u5b9a\u5230\u5904\u7406\u65b9\u6cd5\u7684\u53c2\u6570\u4e0a\uff0c\u5e76\u63d0\u4f9b\u4e86\u6570\u636e\u9a8c\u8bc1\u7684\u673a\u5236\u3002\u901a\u8fc7@ModelAttribute<\/code>\u548c@Valid<\/code>\u6ce8\u89e3\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fdb\u884c\u6570\u636e\u7ed1\u5b9a\u548c\u9a8c\u8bc1\u3002<\/li>\n<\/ul>\n
              @Controller\npublic class UserController {\n\n    @RequestMapping("\/user")\n    public String getUser(@ModelAttribute("user") @Valid User user, BindingResult result) {\n        if (result.hasErrors()) {\n            \/\/ \u5904\u7406\u9a8c\u8bc1\u9519\u8bef\n        }\n        \/\/ \u5904\u7406\u7528\u6237\u5bf9\u8c61\n        return "userPage";\n    }\n}\n<\/code><\/pre>\n<\/li>\n
            • \n\u89c6\u56fe\u89e3\u6790\u548c\u6e32\u67d3\uff1a<\/strong><\/p>\n
                \n
              • SpringMVC\u652f\u6301\u591a\u79cd\u89c6\u56fe\u89e3\u6790\u5668\uff0c\u5305\u62ecJSP\u3001FreeMarker\u3001Thymeleaf\u7b49\u3002\u901a\u8fc7ViewResolver<\/code>\uff0c\u53ef\u4ee5\u5c06\u903b\u8f91\u89c6\u56fe\u540d\u79f0\u89e3\u6790\u4e3a\u5177\u4f53\u7684\u89c6\u56fe\u5bf9\u8c61\uff0c\u5b8c\u6210\u6e32\u67d3\u3002<\/li>\n<\/ul>\n
                <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">\n    <property name="prefix" value="\/WEB-INF\/views\/" \/>\n    <property name="suffix" value=".jsp" \/>\n<\/bean>\n<\/code><\/pre>\n<\/li>\n
              • \n\u62e6\u622a\u5668\uff1a<\/strong><\/p>\n
                  \n
                • SpringMVC\u63d0\u4f9b\u4e86\u62e6\u622a\u5668\uff08Interceptor\uff09\u673a\u5236\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u5728\u8bf7\u6c42\u5904\u7406\u8fc7\u7a0b\u4e2d\u8fdb\u884c\u9884\u5904\u7406\u548c\u540e\u5904\u7406\u3002\u62e6\u622a\u5668\u53ef\u4ee5\u7528\u4e8e\u65e5\u5fd7\u8bb0\u5f55\u3001\u6743\u9650\u68c0\u67e5\u3001\u6027\u80fd\u76d1\u63a7\u7b49\u3002<\/li>\n<\/ul>\n
                  public class MyInterceptor implements HandlerInterceptor {\n\n    @Override\n    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {\n        \/\/ \u9884\u5904\u7406\u903b\u8f91\n        return true;\n    }\n}\n<\/code><\/pre>\n<\/li>\n
                • \nRESTful\u98ce\u683c\u652f\u6301\uff1a<\/strong><\/p>\n
                    \n
                  • SpringMVC\u5bf9RESTful\u98ce\u683c\u7684Web\u670d\u52a1\u63d0\u4f9b\u4e86\u826f\u597d\u7684\u652f\u6301\u3002\u901a\u8fc7@PathVariable<\/code>\u548c@RequestMapping<\/code>\u7b49\u6ce8\u89e3\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5904\u7406RESTful\u98ce\u683c\u7684\u8bf7\u6c42\u3002<\/li>\n<\/ul>\n
                    @RestController\npublic class RestController {\n\n    @GetMapping("\/api\/user\/{id}")\n    public User getUser(@PathVariable Long id) {\n        \/\/ \u5904\u7406RESTful\u8bf7\u6c42\n        return userService.getUserById(id);\n    }\n}\n<\/code><\/pre>\n<\/li>\n
                  • \n\u5f02\u5e38\u5904\u7406\uff1a<\/strong><\/p>\n
                      \n
                    • SpringMVC\u63d0\u4f9b\u4e86\u5168\u5c40\u5f02\u5e38\u5904\u7406\u673a\u5236\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u901a\u8fc7@ExceptionHandler<\/code>\u6ce8\u89e3\u6216\u5b9e\u73b0HandlerExceptionResolver<\/code>\u63a5\u53e3\u6765\u7edf\u4e00\u5904\u7406\u5e94\u7528\u7a0b\u5e8f\u7684\u5f02\u5e38\u3002<\/li>\n<\/ul>\n
                      @ControllerAdvice\npublic class GlobalExceptionHandler {\n\n    @ExceptionHandler(Exception.class)\n    public String handleException(Exception e) {\n        \/\/ \u5904\u7406\u5f02\u5e38\n        return "errorPage";\n    }\n}\n<\/code><\/pre>\n<\/li>\n
                    • \n\u6587\u4ef6\u4e0a\u4f20\uff1a<\/strong><\/p>\n
                        \n
                      • SpringMVC\u63d0\u4f9b\u4e86\u5bf9\u6587\u4ef6\u4e0a\u4f20\u7684\u652f\u6301\uff0c\u901a\u8fc7MultipartFile<\/code>\u5bf9\u8c61\u53ef\u4ee5\u65b9\u4fbf\u5730\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u3002<\/li>\n<\/ul>\n
                        @PostMapping("\/upload")\npublic String handleFileUpload(@RequestParam("file") MultipartFile file) {\n    \/\/ \u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u903b\u8f91\n    return "uploadSuccess";\n}\n<\/code><\/pre>\n<\/li>\n<\/ol>\n
                        \u603b\u4f53\u800c\u8a00\uff0cSpringMVC\u4f5c\u4e3a\u4e00\u4e2a\u7075\u6d3b\u3001\u53ef\u6269\u5c55\u7684Web\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u529f\u80fd\u6765\u7b80\u5316Web\u5e94\u7528\u7684\u5f00\u53d1\uff0c\u5305\u62ec\u8bf7\u6c42\u6620\u5c04\u3001\u6570\u636e\u7ed1\u5b9a\u3001\u89c6\u56fe\u89e3\u6790\u3001\u5f02\u5e38\u5904\u7406\u7b49\u3002\u5b83\u5e7f\u6cdb\u5e94\u7528\u4e8eJava\u4f01\u4e1a\u7ea7\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u4e2d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                        SpringMVC\u662fSpring\u6846\u67b6\u4e2d\u7684\u4e00\u4e2aWeb\u6a21\u5757\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u57fa\u4e8eMVC\uff08Model-View-Cont […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[121],"tags":[],"class_list":["post-12191","post","type-post","status-publish","format-standard","hentry","category-spring"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12191","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=12191"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12191\/revisions"}],"predecessor-version":[{"id":47866,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12191\/revisions\/47866"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=12191"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=12191"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=12191"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}