(1)首先控制器要继承MultiActionController这个类,在这个类的实现方法中要有两个必要的参数HttpServletRequest和HttpServletResponse,
package test.spring; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.mvc.multiaction.MultiActionController; public class MultiAction extends MultiActionController{ public ModelAndView add(HttpServletRequest request,HttpServletResponse response){ System.out.println("add"); String str = "add"; return new ModelAndView("ok","str",str); } public ModelAndView update(HttpServletRequest request,HttpServletResponse response){ System.out.println("update"); String str = "update"; return new ModelAndView("ok","str",str); } // public ModelAndView handleRequest(HttpServletRequest arg0, // HttpServletResponse arg1) throws Exception { // System.out.println("test"); // return new ModelAndView("ok","str","handleRequest"); // } }
在WEB-INF/jsp下编写一个用来跳转的JSP页面 ok.jsp
<%@ page language="java" pageEncoding="utf-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <title>Insert title here</title> </head> <body> ${str}你好 </body> </html>
(2)在配置文件中要配置一个paramMethodResolver的BEAN组件,
<bean id="paramMethodResolver" class="org.springframework.web.servlet.mvc.multiaction.ParameterMethodNameResolver"> <property name="paramName" value="action"></property> </bean>
其中的 paramName的值是在访问的地址栏中的参数,可以自己定义(看最后,说的有)
(3)
定义自己写的BEAN的时候要给他传递一个参数 methodNameResolver,也就是刚才定义的解析多方法的BEAN
<bean id="multiController" class="test.spring.MultiAction"> <property name="methodNameResolver" ref="paramMethodResolver"></property> </bean>(4)定义handlerAndMapping 让请求可以找到对应的BEAN组件
<bean id="handlermapping" class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping"> <property name="mappings"> <props> <prop key="multiAction.do">multiController</prop> </props> </property> </bean>(5)定义 viewResolver组件返回视图
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/WEB-INF/jsp/"></property> <property name="suffix" value=".jsp"></property> </bean>(6)web.xml配置
<!-- 控制器配置 --> <servlet> <servlet-name>springmvc</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:applicationContext.xml</param-value> </init-param> </servlet> <servlet-mapping> <servlet-name>springmvc</servlet-name> <url-pattern>*.do</url-pattern> </servlet-mapping>
(7)启动服务器之后在浏览器地址栏输入地址
http://127.0.0.1:8080/testspring/multiAction.do?action=add 会访问控制器中的add方法,
http://127.0.0.1:8080/testspring/multiAction.do?action=update 访问控制器中的update方法。
自己第一次写的,测试通过,如果有问题或者什么建议,可以给我留言,共同进步!