{"id":2022,"date":"2017-06-17T14:34:47","date_gmt":"2017-06-17T06:34:47","guid":{"rendered":"https:\/\/ai.zhousir.top\/?p=2022"},"modified":"2017-06-17T14:34:47","modified_gmt":"2017-06-17T06:34:47","slug":"springboot%e4%b8%ad%e4%bd%bf%e7%94%a8servlet%e4%b8%8e%e6%9b%b4%e6%94%b9dispatcherservlet%e9%bb%98%e8%ae%a4url","status":"publish","type":"post","link":"https:\/\/ai.zhousir.top\/?p=2022","title":{"rendered":"SpringBoot\u4e2d\u4f7f\u7528Servlet\u4e0e\u66f4\u6539DispatcherServlet\u9ed8\u8ba4Url"},"content":{"rendered":"

Springboot\u5f00\u53d1web\u5e94\u7528\u8fc7\u7a0b\u4e2d\u8981\u7528\u5230\u8fc7\u6ee4Filter\u548c\u76d1\u542c\u5668Listener,
\nSpringboot\u7684\u4e3bServlet\u4e3a DispatcherServlet\uff0c\u5176\u9ed8\u8ba4\u7684url-pattern\u4e3a\u201c\/\u201d\u3002\u4e5f\u8bb8\u6211\u4eec\u5728\u5e94\u7528\u4e2d\u8fd8\u9700\u8981\u5b9a\u4e49\u66f4\u591a\u7684Servlet\uff0c\u8be5\u5982\u4f55\u4f7f\u7528SpringBoot\u6765\u5b8c\u6210\u5462\uff1f<\/p>\n

\u5728spring boot\u4e2d\u6dfb\u52a0\u81ea\u5df1\u7684Servlet\u6709\u4e24\u79cd\u65b9\u6cd5\uff0c\u4ee3\u7801\u6ce8\u518cServlet\u548c\u6ce8\u89e3\u81ea\u52a8\u6ce8\u518c\uff08Filter\u548cListener\u4e5f\u662f\u5982\u6b64\uff09\u3002<\/p>\n

\n\u4e00\u3001\u4ee3\u7801\u6ce8\u518c\u901a\u8fc7ServletRegistrationBean\u3001 FilterRegistrationBean \u548c ServletListenerRegistrationBean \u83b7\u5f97\u63a7\u5236\u3002<\/h3>\n

\u4e5f\u53ef\u4ee5\u901a\u8fc7\u5b9e\u73b0 ServletContextInitializer \u63a5\u53e3\u76f4\u63a5\u6ce8\u518c\u3002<\/p>\n

1.\u5b9e\u73b0MyServlet.java<\/h4>\n

public class MyServlet extends HttpServlet{<\/p>\n

[java] @Override
\n protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
\n System.out.println(">>>>>>>>>>doGet()<<<<<<<<<<<");
\n doPost(req, resp);
\n }<\/p>\n

@Override
\n protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
\n System.out.println(">>>>>>>>>>doPost()<<<<<<<<<<<");
\n }
\n[\/java]<\/p>\n

}<\/p>\n

2.SpringBoot\u542f\u52a8\u65f6\u4ee3\u7801\u6ce8\u5165Servlet<\/h4>\n

[java]@SpringBootApplication
\npublic class SpringBootSampleApplication {<\/p>\n

public static void main(String[] args) {
\n SpringApplication.run(SpringBootSampleApplication.class, args);
\n }<\/p>\n

\/**
\n * \u4fee\u6539DispatcherServlet\u9ed8\u8ba4\u914d\u7f6e
\n *
\n *\/
\n @Bean
\n public ServletRegistrationBean dispatcherRegistration(DispatcherServlet dispatcherServlet) {
\n ServletRegistrationBean registration = new ServletRegistrationBean(dispatcherServlet);
\n registration.getUrlMappings().clear();
\n registration.addUrlMappings("*.do");
\n registration.addUrlMappings("*.json");
\n return registration;
\n }<\/p>\n

\/**
\n * \u4f7f\u7528\u4ee3\u7801\u6ce8\u518cServlet\uff08\u4e0d\u9700\u8981@ServletComponentScan\u6ce8\u89e3\uff09
\n *\/
\n @Bean
\n public ServletRegistrationBean servletRegistrationBean() {
\n return new ServletRegistrationBean(new MyServlet(), "\/xs\/*");\/\/ ServletName\u9ed8\u8ba4\u503c\u4e3a\u9996\u5b57\u6bcd\u5c0f\u5199\uff0c\u5373myServlet
\n }
\n}[\/java]<\/p>\n

\u4e8c\u3001\u5728 SpringBootApplication \u4e0a\u4f7f\u7528@ServletComponentScan \u6ce8\u89e3\u540e\uff0cServlet\u3001Filter\u3001Listener \u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7 @WebServlet\u3001@WebFilter\u3001@WebListener \u6ce8\u89e3\u81ea\u52a8\u6ce8\u518c\uff0c\u65e0\u9700\u5176\u4ed6\u4ee3\u7801\u3002<\/h3>\n

1. \u8fc7\u6ee4\u5668LoginFilter.java<\/h4>\n

[java]@WebFilter(value="\/*")
\npublic class LoginFilter implements Filter {<\/p>\n

public LoginFilter() {
\n \t System.out.println("\u8fc7\u6ee4\u5668\u521d\u59cb\u5316");
\n }<\/p>\n

\tpublic void destroy() {
\n\t\t System.out.println("\u8fc7\u6ee4\u5668\u9500\u6bc1");
\n\t}<\/p>\n

\tpublic void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
\n\t\t\/\/ TODO Auto-generated method stub
\n\t\t\/\/ place your code here
\n\t\t System.out.println("\u6267\u884c\u8fc7\u6ee4\u64cd\u4f5c>>>>>");
\n\t\t\/\/ pass the request along the filter chain<\/p>\n

\t\tchain.doFilter(request, response);
\n\t}<\/p>\n

\tpublic void init(FilterConfig fConfig) throws ServletException {
\n\t}<\/p>\n

}[\/java]<\/p>\n

2.SpringBoot\u542f\u52a8\u7c7b\u6dfb\u52a0\u7ec4\u4ef6\u626b\u63cf\u6ce8\u89e3@ServletComponentScan<\/h4>\n

[java]@SpringBootApplication
\n@ServletComponentScan
\npublic class Application {
\n\tpublic static void main(String[] args) {
\n\t\tSpringApplication.run(Application.class, args);
\n\t}
\n}[\/java]<\/p>\n","protected":false},"excerpt":{"rendered":"

Springboot\u5f00\u53d1web\u5e94\u7528\u8fc7\u7a0b\u4e2d\u8981\u7528\u5230\u8fc7\u6ee4Filter\u548c\u76d1\u542c\u5668Listener, Springboot […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[93],"tags":[],"_links":{"self":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/2022"}],"collection":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2022"}],"version-history":[{"count":2,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/2022\/revisions"}],"predecessor-version":[{"id":2024,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/2022\/revisions\/2024"}],"wp:attachment":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2022"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2022"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2022"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}