[SpringMVC运行流程]
[Handler注解映射技巧]
[请求方法的细节处理]
1.如何处理请求参数和方法参数的绑定?
2.如何限制方法接收的请求方式?
3.如何进行请求转发和重定向?
4.如何给数据模型赋值?
5.如何返回JSON数据?
6.如何获取cookie数据?
[SpringMVC的整合配置]
1.在web.xml中配置入口DispatcherServlet
<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" version="3.0" metadata-complete="true"> <!--用maven创建的web-app需要修改servlet的版本为3.1--> <!-- SpringMVC配置 --> <!-- 1:配置DispatcherServlet --> <servlet> <servlet-name>seckill-dispatcher</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <!-- 配置SpringMVC的Spring配置文件 Mybatis -> Spring -> SpringMVC --> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:spring/spring-*.xml</param-value> </init-param> </servlet> <servlet-mapping> <servlet-name>seckill-dispatcher</servlet-name> <!-- 默认匹配所有的请求 --> <url-pattern>/</url-pattern> </servlet-mapping> </web-app>
2.spring-web.xml配置
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:mvc="http://www.springframework.org/schema/mvc" 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/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd"> <!-- SpringMVC配置 --> <!-- 1:开启SpringMVC注解模式 --> <!-- 简化配置: (1)自动注册DefaultAnnotationHandlerMapping,AnnotationMethodHandlerAdapter (2)提供一些列功能:数据绑定,数字和日期的format @NumberFormat,@DateTimeFormat, xml,jsonm默认读写支持 --> <mvc:annotation-driven/> <!-- 2:静态资源默认servlet配置 (1)加入对静态资源的处理:js,gif,png (2)允许使用"/"做整体映射 --> <mvc:default-servlet-handler/> <!-- 3:配置jsp 显示ViewResovler --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/> <property name="prefix" value="/WEB-INF/jsp"/> <property name="suffix" value=".jsp"/> </bean> <!-- 4:扫描web相关的bean --> <context:component-scan base-package="org.azcode.web"/> </beans>