{"id":3006,"date":"2022-12-31T15:50:24","date_gmt":"2022-12-31T07:50:24","guid":{"rendered":"https:\/\/qaqaq.top\/?p=3006"},"modified":"2022-12-31T15:50:25","modified_gmt":"2022-12-31T07:50:25","slug":"%e6%b3%a8%e8%a7%a3%e9%85%8d%e7%bd%aespringmvc","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=3006","title":{"rendered":"\u6ce8\u89e3\u914d\u7f6eSpringMVC"},"content":{"rendered":"\n<p>\u4f7f\u7528\u914d\u7f6e\u7c7b\u548c\u6ce8\u89e3\u4ee3\u66ffweb.xml\u548cSpringMVC\u914d\u7f6e\u6587\u4ef6\u7684\u529f\u80fd<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1\u3001\u521b\u5efa\u521d\u59cb\u5316\u7c7b\uff0c\u4ee3\u66ffweb.xml<\/h2>\n\n\n\n<p>\u5728Servlet3.0\u73af\u5883\u4e2d\uff0c\u5bb9\u5668\u4f1a\u5728\u7c7b\u8def\u5f84\u4e2d\u67e5\u627e\u5b9e\u73b0javax.servlet.ServletContainerInitializer\u63a5\u53e3\u7684\u7c7b\uff0c<br>\u5982\u679c\u627e\u5230\u7684\u8bdd\u5c31\u7528\u5b83\u6765\u914d\u7f6eServlet\u5bb9\u5668\u3002 Spring\u63d0\u4f9b\u4e86\u8fd9\u4e2a\u63a5\u53e3\u7684\u5b9e\u73b0\uff0c\u540d\u4e3aSpringServletContainerInitializer\uff0c\u8fd9\u4e2a\u7c7b\u53cd\u8fc7\u6765\u53c8\u4f1a\u67e5\u627e\u5b9e\u73b0WebApplicationInitializer\u7684\u7c7b\u5e76\u5c06\u914d<br>\u7f6e\u7684\u4efb\u52a1\u4ea4\u7ed9\u5b83\u4eec\u6765\u5b8c\u6210\u3002Spring3.2\u5f15\u5165\u4e86\u4e00\u4e2a\u4fbf\u5229\u7684WebApplicationInitializer\u57fa\u7840\u5b9e\u73b0\uff0c\u540d\u4e3a<br>AbstractAnnotationConfigDispatcherServletInitializer\uff0c\u5f53\u6211\u4eec\u7684\u7c7b\u6269\u5c55\u4e86<br>AbstractAnnotationConfigDispatcherServletInitializer\u5e76\u5c06\u5176\u90e8\u7f72\u5230Servlet3.0\u5bb9\u5668\u7684\u65f6\u5019\uff0c\u5bb9\u5668\u4f1a\u81ea<br>\u52a8\u53d1\u73b0\u5b83\uff0c\u5e76\u7528\u5b83\u6765\u914d\u7f6eServlet\u4e0a\u4e0b\u6587\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>package top.qaqaq.mvc.config;\r\n\r\nimport org.springframework.web.filter.CharacterEncodingFilter;\r\nimport org.springframework.web.filter.HiddenHttpMethodFilter;\r\nimport org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;\r\n\r\nimport javax.servlet.Filter;\r\n\r\npublic class WebInit extends AbstractAnnotationConfigDispatcherServletInitializer {\r\n    \r\n    \/**\r\n     * \u6307\u5b9aspring\u7684\u914d\u7f6e\u7c7b\r\n     * @return\r\n     *\/\r\n    @Override\r\n    protected Class&lt;?>&#91;] getRootConfigClasses() {\r\n        return new Class&#91;]{SpringConfig.class};\r\n    }\r\n    \r\n    \/**\r\n     * \u6307\u5b9aSpringMVC\u7684\u914d\u7f6e\u7c7b\r\n     * @return\r\n     *\/\r\n    @Override\r\n    protected Class&lt;?>&#91;] getServletConfigClasses() {\r\n        return new Class&#91;]{WebConfig.class};\r\n    }\r\n    \r\n    \/**\r\n     * \u6307\u5b9aDispatcherServlet\u7684\u6620\u5c04\u89c4\u5219\uff0c\u5373url-pattern\r\n     * @return\r\n     *\/\r\n    @Override\r\n    protected String&#91;] getServletMappings() {\r\n        return new String&#91;]{\"\/\"};\r\n    }\r\n    \r\n    \/**\r\n     * \u6dfb\u52a0\u8fc7\u6ee4\u5668\r\n     * @return\r\n     *\/\r\n    @Override\r\n    protected Filter&#91;] getServletFilters() {\r\n        CharacterEncodingFilter encodingFilter = new CharacterEncodingFilter();\r\n        encodingFilter.setEncoding(\"UTF-8\");\r\n        encodingFilter.setForceRequestEncoding(true);\r\n        HiddenHttpMethodFilter hiddenHttpMethodFilter = new HiddenHttpMethodFilter();\r\n        return new Filter&#91;]{encodingFilter, hiddenHttpMethodFilter};\r\n    }\r\n    \r\n}<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">2\u3001\u521b\u5efaSpringConfig\u914d\u7f6e\u7c7b\uff0c\u4ee3\u66ffspring\u7684\u914d\u7f6e\u6587\u4ef6<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>public class SpringConfig {\r\n\/\/ssm\u6574\u5408\u4e4b\u540e\uff0cspring\u7684\u914d\u7f6e\u4fe1\u606f\u5199\u5728\u6b64\u7c7b\u4e2d\r\n}<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">3\u3001\u521b\u5efaWebConfig\u914d\u7f6e\u7c7b\uff0c\u4ee3\u66ffSpringMVC\u7684\u914d\u7f6e\u6587\u4ef6<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>package top.qaqaq.mvc.config;\r\n\r\nimport org.springframework.context.annotation.Bean;\r\nimport org.springframework.context.annotation.ComponentScan;\r\nimport org.springframework.context.annotation.Configuration;\r\nimport org.springframework.web.context.ContextLoader;\r\nimport org.springframework.web.context.WebApplicationContext;\r\nimport org.springframework.web.multipart.commons.CommonsMultipartResolver;\r\nimport org.springframework.web.servlet.HandlerExceptionResolver;\r\nimport org.springframework.web.servlet.ViewResolver;\r\nimport org.springframework.web.servlet.config.annotation.*;\r\nimport org.springframework.web.servlet.handler.SimpleMappingExceptionResolver;\r\nimport org.thymeleaf.spring5.SpringTemplateEngine;\r\nimport org.thymeleaf.spring5.view.ThymeleafViewResolver;\r\nimport org.thymeleaf.templatemode.TemplateMode;\r\nimport org.thymeleaf.templateresolver.ITemplateResolver;\r\nimport org.thymeleaf.templateresolver.ServletContextTemplateResolver;\r\nimport top.qaqaq.mvc.interceptor.TestInterceptor;\r\n\r\nimport java.util.List;\r\nimport java.util.Properties;\r\n\r\n@Configuration\r\n\/\/\u626b\u63cf\u7ec4\u4ef6\r\n@ComponentScan(\"top.qaqaq.mvc.controller\")\r\n\/\/\u5f00\u542fMVC\u6ce8\u89e3\u9a71\u52a8\r\n@EnableWebMvc\r\npublic class WebConfig implements WebMvcConfigurer {\r\n    \r\n    \/\/\u4f7f\u7528\u9ed8\u8ba4\u7684servlet\u5904\u7406\u9759\u6001\u8d44\u6e90\r\n    @Override\r\n    public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {\r\n        configurer.enable();\r\n    }\r\n\r\n    \/\/\u914d\u7f6e\u6587\u4ef6\u4e0a\u4f20\u89e3\u6790\u5668\r\n    @Bean\r\n    public CommonsMultipartResolver multipartResolver() {\r\n        return new CommonsMultipartResolver();\r\n    }\r\n\r\n    \/\/\u914d\u7f6e\u62e6\u622a\u5668\r\n    @Override\r\n    public void addInterceptors(InterceptorRegistry registry) {\r\n        TestInterceptor testInterceptor = new TestInterceptor();\r\n        registry.addInterceptor(testInterceptor).addPathPatterns(\"\/**\");\r\n    }\r\n\r\n    \/\/\u914d\u7f6e\u89c6\u56fe\u63a7\u5236\r\n    @Override\r\n    public void addViewControllers(ViewControllerRegistry registry) {\r\n        registry.addViewController(\"\/\").setViewName(\"index\");\r\n    }\r\n\r\n    \/\/\u914d\u7f6e\u5f02\u5e38\u6620\u5c04\r\n    @Override\r\n    public void configureHandlerExceptionResolvers(List&lt;HandlerExceptionResolver> resolvers) {\r\n        SimpleMappingExceptionResolver exceptionResolver = new SimpleMappingExceptionResolver();\r\n        Properties prop = new Properties();\r\n        prop.setProperty(\"java.lang.ArithmeticException\", \"error\");\r\n        \/\/\u8bbe\u7f6e\u5f02\u5e38\u6620\u5c04\r\n        exceptionResolver.setExceptionMappings(prop);\r\n        \/\/\u8bbe\u7f6e\u5171\u4eab\u5f02\u5e38\u4fe1\u606f\u7684\u952e\r\n        exceptionResolver.setExceptionAttribute(\"ex\");\r\n        resolvers.add(exceptionResolver);\r\n    }\r\n\r\n    \/\/\u914d\u7f6e\u751f\u6210\u6a21\u677f\u89e3\u6790\u5668\r\n    @Bean\r\n    public ITemplateResolver templateResolver() {\r\n        WebApplicationContext webApplicationContext = ContextLoader.getCurrentWebApplicationContext();\r\n        \/\/ ServletContextTemplateResolver\u9700\u8981\u4e00\u4e2aServletContext\u4f5c\u4e3a\u6784\u9020\u53c2\u6570\uff0c\u53ef\u901a\u8fc7WebApplicationContext \u7684\u65b9\u6cd5\u83b7\u5f97\r\n        ServletContextTemplateResolver templateResolver = new ServletContextTemplateResolver(webApplicationContext.getServletContext());\r\n        templateResolver.setPrefix(\"\/WEB-INF\/templates\/\");\r\n        templateResolver.setSuffix(\".html\");\r\n        templateResolver.setCharacterEncoding(\"UTF-8\");\r\n        templateResolver.setTemplateMode(TemplateMode.HTML);\r\n        return templateResolver;\r\n    }\r\n\r\n    \/\/\u751f\u6210\u6a21\u677f\u5f15\u64ce\u5e76\u4e3a\u6a21\u677f\u5f15\u64ce\u6ce8\u5165\u6a21\u677f\u89e3\u6790\u5668\r\n    @Bean\r\n    public SpringTemplateEngine templateEngine(ITemplateResolver templateResolver) {\r\n        SpringTemplateEngine templateEngine = new SpringTemplateEngine();\r\n        templateEngine.setTemplateResolver(templateResolver);\r\n        return templateEngine;\r\n    }\r\n\r\n    \/\/\u751f\u6210\u89c6\u56fe\u89e3\u6790\u5668\u5e76\u672a\u89e3\u6790\u5668\u6ce8\u5165\u6a21\u677f\u5f15\u64ce\r\n    @Bean\r\n    public ViewResolver viewResolver(SpringTemplateEngine templateEngine) {\r\n        ThymeleafViewResolver viewResolver = new ThymeleafViewResolver();\r\n        viewResolver.setCharacterEncoding(\"UTF-8\");\r\n        viewResolver.setTemplateEngine(templateEngine);\r\n        return viewResolver;\r\n    }\r\n}<\/code><\/pre>\n\n\n\n<p>4\u3001\u6d4b\u8bd5\u529f\u80fd<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>    @RequestMapping(\"\/\")\r\n    public String index(){\r\n        return \"index\";\r\n    }<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528\u914d\u7f6e\u7c7b\u548c\u6ce8\u89e3\u4ee3\u66ffweb.xml\u548cSpringMVC\u914d\u7f6e\u6587\u4ef6\u7684\u529f\u80fd 1\u3001\u521b\u5efa\u521d\u59cb\u5316\u7c7b\uff0c\u4ee3\u66ffweb.xml \u5728 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[105],"tags":[112],"class_list":["post-3006","post","type-post","status-publish","format-standard","hentry","category-springmvc-code","tag-springmvc"],"_links":{"self":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/3006"}],"collection":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3006"}],"version-history":[{"count":1,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/3006\/revisions"}],"predecessor-version":[{"id":3007,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/3006\/revisions\/3007"}],"wp:attachment":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3006"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3006"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3006"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}