spring 4.1.6 中通过继承RequestMappingHandlerMapping 实现自定义url访问

xiaoxiao2021-02-27  550

新建web项目sp,使用的是spring 4.1.6,实现通过controller类名中除controller之外的字符串和方法名作为访问路径的方式:

例如:TestController 中有方法 public String uuid(){}

方法路径为:http://localhost/sp/service/test@uuid

======================================================================================= web.xml文件内容如下:     <!-- 配置spring的mvc -->     <servlet>         <servlet-name>controller</servlet-name>         <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>         <init-param>             <param-name>contextConfigLocation</param-name>             <param-value>/WEB-INF/config/spring-servlet.xml</param-value>         </init-param>         <load-on-startup>1</load-on-startup>     </servlet>     <servlet-mapping>         <servlet-name>controller</servlet-name>         <url-pattern>/service/*</url-pattern>     </servlet-mapping> spring-servlet.xml中相关代码如下:     <bean         class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter"         p:ignoreDefaultModelOnRedirect="true">         <property name="messageConverters">             <list>                 <bean                     class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter" />             </list>         </property>     </bean>     <bean name="handlerMapping" class="cn.ddx.util.MyRequestMappingHandlerMapping">     </bean> cn.ddx.util.MyRequestMappingHandlerMapping中代码如下: package cn.ddx.util; import java.lang.reflect.Method; import java.util.ArrayList; import java.util.List; import org.apache.commons.lang3.StringUtils; import org.springframework.core.annotation.AnnotationUtils; import org.springframework.web.accept.ContentNegotiationManager; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.servlet.mvc.condition.ConsumesRequestCondition; import org.springframework.web.servlet.mvc.condition.HeadersRequestCondition; import org.springframework.web.servlet.mvc.condition.ParamsRequestCondition; import org.springframework.web.servlet.mvc.condition.PatternsRequestCondition; import org.springframework.web.servlet.mvc.condition.ProducesRequestCondition; import org.springframework.web.servlet.mvc.condition.RequestCondition; import org.springframework.web.servlet.mvc.condition.RequestMethodsRequestCondition; import org.springframework.web.servlet.mvc.method.RequestMappingInfo; import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping; @RequestMapping public class MyRequestMappingHandlerMapping extends RequestMappingHandlerMapping {     private boolean useSuffixPatternMatch = true;     private boolean useTrailingSlashMatch = true;     private ContentNegotiationManager contentNegotiationManager = new ContentNegotiationManager();     private final List<String> fileExtensions = new ArrayList<String>();          private static RequestMapping requestMapping = (RequestMapping) MyRequestMappingHandlerMapping.class             .getAnnotation(RequestMapping.class);     @Override     protected RequestMappingInfo getMappingForMethod(Method method, Class<?> handlerType) {         RequestMappingInfo info = null;         if (requestMapping != null) {             RequestCondition<?> methodCondition = getCustomMethodCondition(method);             info = createRequestMappingInfo(requestMapping, methodCondition, method);             RequestMapping typeAnnotation = AnnotationUtils.findAnnotation(handlerType, RequestMapping.class);             if (typeAnnotation != null) {                 RequestCondition<?> typeCondition = getCustomTypeCondition(handlerType);                 info = createRequestMappingInfo(typeAnnotation, typeCondition, method).combine(info);             }         }         return info;     }     protected RequestMappingInfo createRequestMappingInfo(RequestMapping annotation,             RequestCondition<?> customCondition, Method method) {         String className = method.getDeclaringClass().getSimpleName();         String classNameExceptAction = StringUtils.uncapitalize(className.substring(0, className.length() - 10));         String[] patterns = resolveEmbeddedValuesInPatterns(annotation.value());         if ((patterns != null)&& (patterns.length == 0)) {//             patterns = new String[] { classNameExceptAction + "!" + method.getName() };         }         System.out.println(patterns[0]);              return new RequestMappingInfo(                 new PatternsRequestCondition(patterns, getUrlPathHelper(), getPathMatcher(), this.useSuffixPatternMatch,                         this.useTrailingSlashMatch, this.fileExtensions),                 new RequestMethodsRequestCondition(annotation.method()),                 new ParamsRequestCondition(annotation.params()), new HeadersRequestCondition(annotation.headers()),                 new ConsumesRequestCondition(annotation.consumes(), annotation.headers()), new ProducesRequestCondition(                         annotation.produces(), annotation.headers(), this.contentNegotiationManager),                 customCondition);     } } 测试类TestController.java内容如下: package cn.ddx.controller; import java.util.UUID; import javax.servlet.http.HttpServletRequest; import org.apache.commons.lang3.RandomUtils; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; import org.springframework.web.servlet.ModelAndView; @RestController public class TestController {     public ModelAndView uuid(HttpServletRequest request) {         ModelAndView mv = new ModelAndView();         mv.addObject("msg", "UUID:" + UUID.randomUUID());         mv.setViewName("/test");         return mv;     }     public ModelAndView random(HttpServletRequest request) {         ModelAndView mv = new ModelAndView();         mv.addObject("msg", "RandomUtils:" + RandomUtils.nextInt(1000, 9999));         mv.setViewName("/test");         return mv;     } } 页面test内容如下: <%@ page language="java" contentType="text/html; charset=UTF-8"     pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Insert title here</title> </head> <body> ${msg} </body> </html> 启动tomcat之后,控制台显示信息如下: test@random test@uuid 访问路径如下:

http://localhost/sp/service/test@uuid

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