{"id":11944,"date":"2023-11-28T22:38:35","date_gmt":"2023-11-28T14:38:35","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=11944"},"modified":"2023-12-11T14:46:24","modified_gmt":"2023-12-11T06:46:24","slug":"spring-zhongdispatcherservlet-le-jie-ma","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/spring-zhongdispatcherservlet-le-jie-ma\/","title":{"rendered":"Spring\u4e2dDispatcherServlet\u4e86\u89e3\u5417\uff1f"},"content":{"rendered":"

\u662f\u7684\uff0c\u6211\u4e86\u89e3 DispatcherServlet<\/code>\u3002DispatcherServlet<\/code> \u662f Spring \u6846\u67b6\u4e2d\u7684\u4e00\u4e2a\u5173\u952e\u7ec4\u4ef6\uff0c\u7528\u4e8e\u5904\u7406 Web \u8bf7\u6c42\u5e76\u5c06\u5b83\u4eec\u5206\u6d3e\u7ed9\u5408\u9002\u7684\u63a7\u5236\u5668\uff08Controller\uff09\u8fdb\u884c\u5904\u7406\u3002<\/p>\n

\u4ee5\u4e0b\u662f DispatcherServlet<\/code> \u7684\u4e00\u4e9b\u5173\u952e\u7279\u70b9\u548c\u5de5\u4f5c\u539f\u7406\uff1a<\/p>\n

    \n
  1. \n\u524d\u7aef\u63a7\u5236\u5668\uff1a<\/strong> DispatcherServlet<\/code> \u662f Spring \u6846\u67b6\u7684\u524d\u7aef\u63a7\u5236\u5668\uff08Front Controller\uff09\u3002\u524d\u7aef\u63a7\u5236\u5668\u662f\u4e00\u4e2a\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u7528\u4e8e\u96c6\u4e2d\u5904\u7406\u8bf7\u6c42\uff0c\u5e76\u5c06\u8bf7\u6c42\u5206\u6d3e\u7ed9\u5176\u4ed6\u7ec4\u4ef6\u8fdb\u884c\u5904\u7406\u3002\u5728 Spring MVC \u4e2d\uff0cDispatcherServlet<\/code> \u626e\u6f14\u4e86\u524d\u7aef\u63a7\u5236\u5668\u7684\u89d2\u8272\u3002\n<\/li>\n
  2. \nWeb \u8bf7\u6c42\u5904\u7406\uff1a<\/strong> \u5f53\u7528\u6237\u53d1\u8d77\u4e00\u4e2a Web \u8bf7\u6c42\u65f6\uff0c\u8bf7\u6c42\u9996\u5148\u5230\u8fbe DispatcherServlet<\/code>\u3002DispatcherServlet<\/code> \u8d1f\u8d23\u89e3\u6790\u8bf7\u6c42\u3001\u8c03\u7528\u9002\u5f53\u7684\u5904\u7406\u5668\uff08Controller\uff09\u3001\u6267\u884c\u8bf7\u6c42\u5904\u7406\u903b\u8f91\u5e76\u8fd4\u56de\u54cd\u5e94\u3002\n<\/li>\n
  3. \n\u914d\u7f6e\u548c\u6620\u5c04\uff1a<\/strong> DispatcherServlet<\/code> \u9700\u8981\u901a\u8fc7\u914d\u7f6e\u6765\u4e86\u89e3\u5982\u4f55\u5c06\u8bf7\u6c42\u6620\u5c04\u5230\u5408\u9002\u7684\u5904\u7406\u5668\u3002\u8fd9\u901a\u5e38\u901a\u8fc7\u914d\u7f6e HandlerMapping<\/code> \u6765\u5b9e\u73b0\uff0c\u5176\u4e2d\u5b9a\u4e49\u4e86\u8bf7\u6c42\u8def\u5f84\u548c\u5bf9\u5e94\u7684\u63a7\u5236\u5668\u7684\u6620\u5c04\u5173\u7cfb\u3002\n<\/li>\n
  4. \n\u89c6\u56fe\u89e3\u6790\uff1a<\/strong> DispatcherServlet<\/code> \u901a\u8fc7\u914d\u7f6e\u7684 ViewResolver<\/code> \u6765\u89e3\u6790\u63a7\u5236\u5668\u8fd4\u56de\u7684\u903b\u8f91\u89c6\u56fe\u540d\uff08logical view name\uff09\u5e76\u5c06\u5176\u89e3\u6790\u4e3a\u5b9e\u9645\u7684\u89c6\u56fe\uff08View\uff09\u3002\u89c6\u56fe\u8d1f\u8d23\u6e32\u67d3\u6a21\u578b\u6570\u636e\uff0c\u751f\u6210\u6700\u7ec8\u7684\u54cd\u5e94\u3002\n<\/li>\n
  5. \n\u5f02\u5e38\u5904\u7406\uff1a<\/strong> DispatcherServlet<\/code> \u8fd8\u5305\u542b\u5f02\u5e38\u5904\u7406\u673a\u5236\uff0c\u7528\u4e8e\u6355\u83b7\u548c\u5904\u7406\u5728\u8bf7\u6c42\u5904\u7406\u8fc7\u7a0b\u4e2d\u4ea7\u751f\u7684\u5f02\u5e38\u3002\n<\/li>\n
  6. \n\u62e6\u622a\u5668\uff1a<\/strong> DispatcherServlet<\/code> \u652f\u6301\u62e6\u622a\u5668\uff08Interceptor\uff09\uff0c\u7528\u4e8e\u5728\u8bf7\u6c42\u5904\u7406\u7684\u5404\u4e2a\u9636\u6bb5\u6267\u884c\u4e00\u4e9b\u989d\u5916\u7684\u903b\u8f91\uff0c\u4f8b\u5982\u8eab\u4efd\u9a8c\u8bc1\u3001\u65e5\u5fd7\u8bb0\u5f55\u7b49\u3002\n<\/li>\n<\/ol>\n

    \u5728 Spring MVC \u4e2d\uff0cDispatcherServlet<\/code> \u662f\u914d\u7f6e\u6587\u4ef6\u4e2d\u6700\u91cd\u8981\u7684\u7ec4\u4ef6\u4e4b\u4e00\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5316\u7684 web.xml<\/code> \u793a\u4f8b\uff0c\u5176\u4e2d\u914d\u7f6e\u4e86 DispatcherServlet<\/code>\uff1a<\/p>\n

    <servlet>\n    <servlet-name>dispatcher<\/servlet-name>\n    <servlet-class>org.springframework.web.servlet.DispatcherServlet<\/servlet-class>\n    <init-param>\n        <param-name>contextConfigLocation<\/param-name>\n        <param-value>\/WEB-INF\/dispatcher-servlet.xml<\/param-value>\n    <\/init-param>\n    <load-on-startup>1<\/load-on-startup>\n<\/servlet>\n\n<servlet-mapping>\n    <servlet-name>dispatcher<\/servlet-name>\n    <url-pattern>\/<\/url-pattern>\n<\/servlet-mapping>\n<\/code><\/pre>\n
    \u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0cDispatcherServlet<\/code> \u7684\u914d\u7f6e\u6587\u4ef6\u4e3a dispatcher-servlet.xml<\/code>\uff0c\u5e76\u901a\u8fc7 url-pattern<\/code> \u6307\u5b9a\u4e86\u5904\u7406\u6240\u6709\u8bf7\u6c42\u7684\u8def\u5f84\u3002\u5b9e\u9645\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u5305\u542b\u4e86\u4e0e\u8bf7\u6c42\u6620\u5c04\u3001\u63a7\u5236\u5668\u3001\u89c6\u56fe\u89e3\u6790\u5668\u7b49\u76f8\u5173\u7684\u914d\u7f6e\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u662f\u7684\uff0c\u6211\u4e86\u89e3 DispatcherServlet\u3002DispatcherServlet \u662f Spring \u6846\u67b6\u4e2d […]<\/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-11944","post","type-post","status-publish","format-standard","hentry","category-spring"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11944","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=11944"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11944\/revisions"}],"predecessor-version":[{"id":39097,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11944\/revisions\/39097"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=11944"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=11944"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=11944"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}