{"id":658,"date":"2024-09-16T19:56:11","date_gmt":"2024-09-16T11:56:11","guid":{"rendered":"https:\/\/note.ui11.cc\/?p=658"},"modified":"2024-09-16T20:52:53","modified_gmt":"2024-09-16T12:52:53","slug":"springmvc%e7%ae%80%e4%bb%8b","status":"publish","type":"post","link":"https:\/\/note.ui11.cc\/index.php\/2024\/09\/16\/springmvc%e7%ae%80%e4%bb%8b\/","title":{"rendered":"SpringMVC\u5de5\u4f5c\u6d41\u7a0b"},"content":{"rendered":"\n
\"\"<\/div><\/figure>\n\n\n\n

\u542f\u52a8tomcat\u540e\uff0c\u9996\u5148\u6267\u884cServletContainersInitConfig\u7c7b\uff0c\u8fd9\u4e2a\u7c7b\u4e5f\u662fSpringMVC\u521b\u5efa\u7684\u7b2c\u56db\u6b65\uff0c\u521d\u59cb\u5316Servlet\u5bb9\u5668\uff0c\u5728\u8fd9\u4e2a\u7c7b\u4e2d\u7ee7\u627fAbstractDisparcherServletInitializer\u8fd9\u4e2a\u62bd\u8c61\u7c7b\uff0c\u7136\u540e\u521b\u5efa\u5bb9\u5668\uff0c\u7136\u540enew\u4e86\u4e00\u4e2a\u5bb9\u5668\u5bf9\u8c61\uff0c\u52a0\u8f7dSpringMVCconfig.class\u914d\u7f6e\u7c7b\uff0c\u8fd9\u4e2a\u7c7b\u4e2d\u6709@componentScan\u6ce8\u89e3\uff0c<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u4ed6\u4f1a\u626b\u63cf\u63a7\u5236\u5668\u4e2d\u5e26\u6709@Controller\u7684\u6ce8\u89e3\u7684\u65b9\u6cd5<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u7b2c\u4e8c\u4e2a\u65b9\u6cd5\u7684\u610f\u601d\u5c31\u662f\u628a\u524d\u7aef\u53d1\u9001\u7684\u6240\u6709\u8bf7\u6c42\u5168\u90e8\u62e6\u622a\u4e0b\u6765\u4ea4\u7ed9SpringMVC\u5904\u7406<\/p>\n\n\n\n

\u7b2c\u4e09\u4e2a\u65b9\u6cd5\u662f\u52a0\u8f7dspring\u7684\uff0c\u4e5f\u5c31\u662f\u9664\u4e86\u8868\u73b0\u5c42\uff0c\u6bd4\u5982service,dao\u90fd\u662f\u5f52\u4ed6\u7ba1\u7406\uff0c\u9879\u76ee\u4e2d\u8981\u8fd9\u6837\u5199\uff1a
<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u4e5f\u5c31\u662f\u626b\u63cfSpringConfig\u8fd9\u4e2a\u7c7b<\/p>\n\n\n\n

\u518d\u770b\u770bServletContainersInitConfig\u8fd9\u4e2a\u7c7b\u90fd\u5e72\u4e86\u4ec0\u4e48<\/p>\n\n\n\n

\u6ce8\u610f\uff1a\u6700\u65b0\u7684\u914d\u7f6e\u65b9\u6cd5\uff1aServletContainerInitConfig\u7ee7\u627fAbstractAnnotationConfigDIspacherServletInitializer\u8fd9\u4e2a\u7c7b\uff0c\u7136\u540e\u4f9d\u7136\u5b9e\u73b0\u4e09\u4e2a\u65b9\u6cd5\uff0c\u53ea\u4e0d\u8fc7\u8fd9\u4e09\u4e2a\u65b9\u6cd5\u76f8\u6bd4\u4e4b\u524d\u7684\u6bd4\u8f83\u7b80\u5355\uff0c\u76f4\u63a5\u5728\u7b2c\u4e00\u4e2a\u65b9\u6cd5\u91cc\u4e5f\u5c31\u662fgetRootConfigClasses\u8fd9\u91ccreturn\u8fd9\u91cc\u586b\u5199SpringConfig.class,\u5728getServletConfig\u8fd9\u91cc\u586bServlet\u76f8\u5173\u7684SpringMvcConfig\u5982\u56fe\u6240\u793a\uff0c\u7136\u540e\u518d\u6700\u540e\u4e00\u4e2a\u65b9\u6cd5getServletMapping\u8fd9\u91cc\u586b\u5199\u4f60\u8981get\u7684\u8bf7\u6c42\uff0c\u6211\u4eec\u662f\u628a\u6240\u6709Servlet\u7684\u8bf7\u6c42\u5168\u90e8\u4ea4\u7ed9SpringMVC\u5904\u7406\uff0c\u6240\u4ee5\u8fd9\u91cc\u52a0\u76f4\u63a5\u586breturn new String[]{“\/”};<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u4e5f\u5c31\u662f\u7b80\u5316\u5f00\u53d1\uff1a<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u8865\u5145\uff1a\u4f60\u63d0\u4f9b\u7684\u4ee3\u7801\u662f\u4e00\u4e2aSpring MVC\u5e94\u7528\u7684\u521d\u59cb\u5316\u914d\u7f6e\u7c7b\uff0c\u5b83\u7ee7\u627f\u81eaAbstractDispatcherServletInitializer<\/code>\u3002\u8fd9\u4e2a\u7c7b\u8d1f\u8d23\u521b\u5efa\u548c\u914d\u7f6e\u4e24\u4e2aWebApplicationContext<\/code>\u5b9e\u4f8b\uff1a\u4e00\u4e2a\u7528\u4e8eSpring MVC\u7684Servlet\uff08DispatcherServlet<\/code>\uff09\u4e0a\u4e0b\u6587\uff0c\u53e6\u4e00\u4e2a\u7528\u4e8e\u5e94\u7528\u7684\u6839\u4e0a\u4e0b\u6587\u3002\u8fd9\u79cd\u5206\u79bb\u5141\u8bb8\u4f60\u4e3aWeb\u5c42\u548c\u975eWeb\u5c42\u5206\u522b\u914d\u7f6e\u4e0d\u540c\u7684Bean\u3002<\/p>\n\n\n\n

\u5728\u4f60\u63d0\u4f9b\u7684\u4ee3\u7801\u4e2d\uff0cServletContainersInitConfig<\/code>\u7c7b\u901a\u8fc7\u7ee7\u627fAbstractDispatcherServletInitializer<\/code>\u6765\u914d\u7f6eSpring MVC\u5e94\u7528\u3002\u8fd9\u4e2a\u7c7b\u521b\u5efa\u4e86\u4e09\u4e2aWebApplicationContext<\/code>\u5bf9\u8c61\uff0c\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u626e\u6f14\u7740\u4e0d\u540c\u7684\u89d2\u8272\uff1a<\/p>\n\n\n\n

    \n
  1. \u8fd9\u4e2a\u4e0a\u4e0b\u6587\u662f\u4e3aDispatcherServlet<\/code>\u521b\u5efa\u7684\uff0c\u5b83\u8d1f\u8d23\u5904\u7406\u6240\u6709\u4e0eWeb\u76f8\u5173\u7684\u8bf7\u6c42\u3002<\/li>\n\n\n\n
  2. \u5f53Web\u8bf7\u6c42\u5230\u8fbe\u65f6\uff0cDispatcherServlet<\/code>\u4f1a\u4f7f\u7528\u8fd9\u4e2a\u4e0a\u4e0b\u6587\u6765\u67e5\u627e\u548c\u6267\u884c\u76f8\u5e94\u7684\u63a7\u5236\u5668\uff08Controllers\uff09\u3002<\/li>\n\n\n\n
  3. \u8fd9\u4e2a\u4e0a\u4e0b\u6587\u901a\u5e38\u4f1a\u6ce8\u518cSpring MVC\u7684\u914d\u7f6e\u7c7b\uff08\u5982SpringMVCConfig.class<\/code>\uff09\uff0c\u5176\u4e2d\u5305\u542b\u89c6\u56fe\u89e3\u6790\u5668\u3001\u63a7\u5236\u5668\u6620\u5c04\u3001\u9759\u6001\u8d44\u6e90\u5904\u7406\u7b49\u914d\u7f6e\u3002<\/li>\n\n\n\n
  4. \u8fd9\u4e2a\u4e0a\u4e0b\u6587\u662f\u5e94\u7528\u7684\u6839\u4e0a\u4e0b\u6587\uff0c\u5b83\u8d1f\u8d23\u7ba1\u7406\u975eWeb\u5c42\u7684Bean\uff0c\u6bd4\u5982\u670d\u52a1\u5c42\uff08Services\uff09\u3001\u6570\u636e\u8bbf\u95ee\u5c42\uff08Repositories\uff09\u7b49\u3002<\/li>\n\n\n\n
  5. \u6839\u4e0a\u4e0b\u6587\u901a\u5e38\u5305\u542b\u4e1a\u52a1\u903b\u8f91\u548c\u6570\u636e\u8bbf\u95ee\u903b\u8f91\u7684\u914d\u7f6e\u3002<\/li>\n\n\n\n
  6. \u5b83\u901a\u8fc7\u6ce8\u518cSpringConfig.class<\/code>\u6765\u52a0\u8f7d\u8fd9\u4e9b\u975eWeb\u76f8\u5173\u7684\u914d\u7f6e\u3002<\/li>\n\n\n\n
  7. \u8fd9\u4e2a\u65b9\u6cd5\u5b9a\u4e49\u4e86DispatcherServlet<\/code>\u5e94\u8be5\u5904\u7406\u7684\u8bf7\u6c42\u8def\u5f84\u3002\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\"\/\"<\/code>\u8868\u793aDispatcherServlet<\/code>\u5c06\u5904\u7406\u6240\u6709\u8fdb\u5165\u5e94\u7528\u7684\u8bf7\u6c42\u3002<\/li>\n\n\n\n
  8. \u8fd9\u610f\u5473\u7740\u6240\u6709\u7684HTTP\u8bf7\u6c42\u90fd\u4f1a\u9996\u5148\u88abDispatcherServlet<\/code>\u6355\u83b7\uff0c\u7136\u540e\u6839\u636e\u914d\u7f6e\u7684\u63a7\u5236\u5668\u903b\u8f91\u8fdb\u884c\u5904\u7406\u3002<\/li>\n<\/ol>\n\n\n\n

    \u5728\u4f60\u63d0\u4f9b\u7684\u4ee3\u7801\u4e2d\uff0cServletContainersInitConfig<\/code>\u7c7b\u901a\u8fc7\u7ee7\u627fAbstractDispatcherServletInitializer<\/code>\u6765\u914d\u7f6eSpring MVC\u5e94\u7528\u3002\u8fd9\u4e2a\u7c7b\u521b\u5efa\u4e86\u4e09\u4e2aWebApplicationContext<\/code>\u5bf9\u8c61\uff0c\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u626e\u6f14\u7740\u4e0d\u540c\u7684\u89d2\u8272\uff1a<\/h3>\n\n\n\n
      \n
    1. \u8fd9\u4e2a\u4e0a\u4e0b\u6587\u662f\u4e3aDispatcherServlet<\/code>\u521b\u5efa\u7684\uff0c\u5b83\u8d1f\u8d23\u5904\u7406\u6240\u6709\u4e0eWeb\u76f8\u5173\u7684\u8bf7\u6c42\u3002<\/li>\n\n\n\n
    2. \u5f53Web\u8bf7\u6c42\u5230\u8fbe\u65f6\uff0cDispatcherServlet<\/code>\u4f1a\u4f7f\u7528\u8fd9\u4e2a\u4e0a\u4e0b\u6587\u6765\u67e5\u627e\u548c\u6267\u884c\u76f8\u5e94\u7684\u63a7\u5236\u5668\uff08Controllers\uff09\u3002<\/li>\n\n\n\n
    3. \u8fd9\u4e2a\u4e0a\u4e0b\u6587\u901a\u5e38\u4f1a\u6ce8\u518cSpring MVC\u7684\u914d\u7f6e\u7c7b\uff08\u5982SpringMVCConfig.class<\/code>\uff09\uff0c\u5176\u4e2d\u5305\u542b\u89c6\u56fe\u89e3\u6790\u5668\u3001\u63a7\u5236\u5668\u6620\u5c04\u3001\u9759\u6001\u8d44\u6e90\u5904\u7406\u7b49\u914d\u7f6e\u3002<\/li>\n\n\n\n
    4. \u8fd9\u4e2a\u4e0a\u4e0b\u6587\u662f\u5e94\u7528\u7684\u6839\u4e0a\u4e0b\u6587\uff0c\u5b83\u8d1f\u8d23\u7ba1\u7406\u975eWeb\u5c42\u7684Bean\uff0c\u6bd4\u5982\u670d\u52a1\u5c42\uff08Services\uff09\u3001\u6570\u636e\u8bbf\u95ee\u5c42\uff08Repositories\uff09\u7b49\u3002<\/li>\n\n\n\n
    5. \u6839\u4e0a\u4e0b\u6587\u901a\u5e38\u5305\u542b\u4e1a\u52a1\u903b\u8f91\u548c\u6570\u636e\u8bbf\u95ee\u903b\u8f91\u7684\u914d\u7f6e\u3002<\/li>\n\n\n\n
    6. \u5b83\u901a\u8fc7\u6ce8\u518cSpringConfig.class<\/code>\u6765\u52a0\u8f7d\u8fd9\u4e9b\u975eWeb\u76f8\u5173\u7684\u914d\u7f6e\u3002<\/li>\n\n\n\n
    7. \u8fd9\u4e2a\u65b9\u6cd5\u5b9a\u4e49\u4e86DispatcherServlet<\/code>\u5e94\u8be5\u5904\u7406\u7684\u8bf7\u6c42\u8def\u5f84\u3002\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\"\/\"<\/code>\u8868\u793aDispatcherServlet<\/code>\u5c06\u5904\u7406\u6240\u6709\u8fdb\u5165\u5e94\u7528\u7684\u8bf7\u6c42\u3002<\/li>\n\n\n\n
    8. \u8fd9\u610f\u5473\u7740\u6240\u6709\u7684HTTP\u8bf7\u6c42\u90fd\u4f1a\u9996\u5148\u88abDispatcherServlet<\/code>\u6355\u83b7\uff0c\u7136\u540e\u6839\u636e\u914d\u7f6e\u7684\u63a7\u5236\u5668\u903b\u8f91\u8fdb\u884c\u5904\u7406\u3002<\/li>\n<\/ol>\n\n\n\n

      \u5de5\u4f5c\u6d41\u7a0b\uff1a<\/h3>\n\n\n\n
        \n
      1. \u5f53Web\u5e94\u7528\u542f\u52a8\u65f6\uff0cServletContainersInitConfig<\/code>\u7c7b\u4f1a\u88ab\u8c03\u7528\uff0c\u521b\u5efa\u4e24\u4e2aAnnotationConfigWebApplicationContext<\/code>\u5b9e\u4f8b\uff0c\u5206\u522b\u5bf9\u5e94Servlet\u4e0a\u4e0b\u6587\u548c\u6839\u4e0a\u4e0b\u6587\u3002<\/li>\n\n\n\n
      2. \u6bcf\u4e2a\u4e0a\u4e0b\u6587\u5b9e\u4f8b\u4f1a\u6ce8\u518c\u76f8\u5e94\u7684\u914d\u7f6e\u7c7b\uff08SpringMVCConfig.class<\/code>\u548cSpringConfig.class<\/code>\uff09\uff0c\u8fd9\u4e9b\u914d\u7f6e\u7c7b\u5b9a\u4e49\u4e86\u5e94\u7528\u4e2d\u9700\u8981\u7684Bean\u3002<\/li>\n\n\n\n
      3. \u5f53Web\u8bf7\u6c42\u5230\u8fbe\u670d\u52a1\u5668\u65f6\uff0cServlet\u5bb9\u5668\uff08\u5982Tomcat\uff09\u4f1a\u6839\u636egetServletMappings<\/code>\u65b9\u6cd5\u7684\u914d\u7f6e\uff0c\u5c06\u8bf7\u6c42\u8f6c\u53d1\u7ed9DispatcherServlet<\/code>\u3002<\/li>\n\n\n\n
      4. DispatcherServlet<\/code>\u4f7f\u7528\u5176\u5173\u8054\u7684Servlet\u5e94\u7528\u4e0a\u4e0b\u6587\u6765\u5904\u7406\u8bf7\u6c42\uff0c\u67e5\u627e\u5408\u9002\u7684\u63a7\u5236\u5668\u6765\u5904\u7406\u8bf7\u6c42\uff0c\u5e76\u8fd4\u56de\u54cd\u5e94\u3002<\/li>\n\n\n\n
      5. \u5728Spring\u6846\u67b6\u4e2d\uff0c\u6839\u5e94\u7528\u4e0a\u4e0b\u6587\u548cServlet\u5e94\u7528\u4e0a\u4e0b\u6587\u53ef\u4ee5\u5171\u4eab\u67d0\u4e9bBean\uff0c\u8fd9\u901a\u8fc7\u7236\u4e0a\u4e0b\u6587\u548c\u5b50\u4e0a\u4e0b\u6587\u7684\u5173\u7cfb\u5b9e\u73b0\u3002\u901a\u5e38\uff0c\u6839\u4e0a\u4e0b\u6587\u4f5c\u4e3a\u7236\u4e0a\u4e0b\u6587\uff0c\u800cServlet\u4e0a\u4e0b\u6587\u4f5c\u4e3a\u5b50\u4e0a\u4e0b\u6587\u3002<\/li>\n<\/ol>\n\n\n\n

        \u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0cSpring MVC\u5e94\u7528\u80fd\u591f\u6709\u6548\u5730\u5206\u79bbWeb\u5c42\u548c\u975eWeb\u5c42\u7684\u914d\u7f6e\uff0c\u540c\u65f6\u4fdd\u6301\u5b83\u4eec\u4e4b\u95f4\u7684\u534f\u4f5c\u548c\u6570\u636e\u5171\u4eab\u3002\u8fd9\u79cd\u7ed3\u6784\u63d0\u9ad8\u4e86\u5e94\u7528\u7684\u6a21\u5757\u5316\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

        \u542f\u52a8tomcat\u540e\uff0c\u9996\u5148\u6267\u884cServletContainersInitConfig\u7c7b\uff0c\u8fd9\u4e2a\u7c7b\u4e5f\u662fSpringM […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-658","post","type-post","status-publish","format-standard","hentry","category-memory"],"_links":{"self":[{"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/posts\/658","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/comments?post=658"}],"version-history":[{"count":5,"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/posts\/658\/revisions"}],"predecessor-version":[{"id":682,"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/posts\/658\/revisions\/682"}],"wp:attachment":[{"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/media?parent=658"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/categories?post=658"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/tags?post=658"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}