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  • springMVC的各种HandlerMapping:(默认有BeanNameUrl和AnnotationHandlerMapping)

    1.默认的BeanNameUrlHandlerMapping(通过name查找Controller)用Controller的name来访问

    2.ControllerClassNameHandlerMapping(通过Controller类的名字查找Controller。在网页访问除了Controller类首字母大写,其他的(Controller1)都小写)

    <?xml version="1.0" encoding="UTF-8"?>

    <beans xmlns="http://www.springframework.org/schema/beans"

        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

        xmlns:context="http://www.springframework.org/schema/context"

        xsi:schemaLocation="http://www.springframework.org/schema/beans

            http://www.springframework.org/schema/beans/spring-beans.xsd

            http://www.springframework.org/schema/context

            http://www.springframework.org/schema/context/spring-context.xsd">

           <bean class="org.springframework.web.servlet.mvc.support.ControllerClassNameHandlerMapping"></bean>

          

        <!-- 配置Controller -->

        <bean id="m1" class="com.zhiyou100.kfs.controller.MyController1"></bean>

        <bean id="m2" class="com.zhiyou100.kfs.controller.MyController2"></bean>

           <!-- 配置视图解析器:ViewResolver -->

           <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">

                  <property name="prefix" value="/"/>

                  <property name="suffix" value=".jsp"/>

           </bean>

    </beans>

    3.SimpleUrlHandlerMapping(通过SimpleUrlHandlerMapping的mappings属性(property)和Controller的id映射关系来访问)

    <?xml version="1.0" encoding="UTF-8"?>

    <beans xmlns="http://www.springframework.org/schema/beans"

        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

        xmlns:context="http://www.springframework.org/schema/context"

        xsi:schemaLocation="http://www.springframework.org/schema/beans

            http://www.springframework.org/schema/beans/spring-beans.xsd

            http://www.springframework.org/schema/context

            http://www.springframework.org/schema/context/spring-context.xsd">

           <bean class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">

                  <property name="mappings">

                         <props>

                                <prop key="a.do">m1</prop>

                                <prop key="b.do">m2</prop>

                         </props>

                  </property>

           </bean>

          

        <!-- 配置Controller -->

        <bean id="m1" class="com.zhiyou100.kfs.controller.MyController1"></bean>

        <bean id="m2" class="com.zhiyou100.kfs.controller.MyController2"></bean>

           <!-- 配置视图解析器:ViewResolver -->

           <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">

                  <property name="prefix" value="/"/>

                  <property name="suffix" value=".jsp"/>

           </bean>

    </beans>

    4.使用注解代替配置信息(annotation),需要添加头部xmlnx:信息(可以找文档)还需要添加spring-aop jar包

      1.包扫描:扫描注解所在的包(扫描带注解的Controller类)

    用<context::component-scan>标签

      2.开启注解驱动:会开启AnnotationHandlerMapping

    用<mvc:annotation-driver/>标签

    <?xml version="1.0" encoding="UTF-8"?>

    <beans xmlns="http://www.springframework.org/schema/beans"

        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

        xmlns:context="http://www.springframework.org/schema/context"

        xmlns:mvc="http://www.springframework.org/schema/mvc"

        xsi:schemaLocation="http://www.springframework.org/schema/beans

            http://www.springframework.org/schema/beans/spring-beans.xsd

            http://www.springframework.org/schema/context

            http://www.springframework.org/schema/context/spring-context.xsd

            http://www.springframework.org/schema/mvc

            http://www.springframework.org/schema/mvc/spring-mvc.xsd">

           <!-- 1.包扫描:扫描注解所在的包(带注解的Controller类所在的包) -->

           <context:component-scan base-package="com.zhiyou100.kfs.controller"></context:component-scan>

           <!-- 2.开启注解驱动:会开启AnnotationHandlerMapping -->

           <mvc:annotation-driven/>

           <!-- 配置视图解析器:ViewResolver -->

           <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">

                  <property name="prefix" value="/"/>

                  <property name="suffix" value=".jsp"/>

           </bean>

    </beans>

    对应的Controller

    package com.zhiyou100.kfs.controller;

    import org.springframework.stereotype.Controller;

    import org.springframework.web.bind.annotation.RequestMapping;

    import org.springframework.web.servlet.ModelAndView;

    @Controller

    @RequestMapping("/myController1")

    public class MyControler3 {

          

           @RequestMapping("/list")

           public ModelAndView list() {

                  ModelAndView mv=new ModelAndView("login");

                  mv.addObject("name","login3<br/>hello!");

                  return mv;

           }

    }

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  • 原文地址:https://www.cnblogs.com/kfsrex/p/11455984.html
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