web.xml里的配置如下:
- <?xml version="1.0" encoding="UTF-8"?>
- <web-app version="3.0"
- 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">
- <display-name></display-name>
- <servlet>
- <!-- 第一个首先调用的前端控制器,注意与WEB-INFO下servlet的xml相对应 -->
- <servlet-name>chapter2</servlet-name>
- <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
- <load-on-startup>1</load-on-startup>
- </servlet>
- <servlet-mapping>
- <servlet-name>chapter2</servlet-name>
- <url-pattern>/</url-pattern>
- </servlet-mapping>
- <servlet>
- <servlet-name>forwarding</servlet-name>
- <servlet-class>com.qin.sanxian.ForwardServlet</servlet-class>
- </servlet>
- <!-- 处理post提交的乱码解决 -->
- <filter>
- <filter-name>CharacterEncodingFilter</filter-name>
- <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
- <init-param>
- <param-name>encoding</param-name>
- <param-value>utf-8</param-value>
- </init-param>
- </filter>
- <filter-mapping>
- <filter-name>CharacterEncodingFilter</filter-name>
- <url-pattern>/*</url-pattern>
- </filter-mapping>
- <welcome-file-list>
- <welcome-file>index.jsp</welcome-file>
- </welcome-file-list>
- </web-app>
chapter2-servlet.xml里面的配置如下:
- <?xml version="1.0" encoding="UTF-8"?>
- <beans xmlns="http://www.springframework.org/schema/beans"
- xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
- xsi:schemaLocation="http://www.springframework.org/schema/beans
- http://www.springframework.org/schema/beans/spring-beans.xsd">
- <!-- 第二步调用 HandlerMapping -->
- <bean class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping"/>
- <!--第三步调用 HandlerAdapter -->
- <bean class="org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter"/>
- <!-- 第六步调用 ViewResolver -->
- <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>
- <!-- 第七步调用 到/web-info下面映射到hello.jsp,进而渲染页面 -->
- <!-- 处理器 -->
- <bean name="/hello" class="com.qin.sanxian.HelloWorldController">
- <!-- 仅支持post提交提交表单的支持 <property name="supportedMethods" value="POST"></property>-->
- </bean>
- <bean name="/forward"
- class="org.springframework.web.servlet.mvc.ServletForwardingController">
- <property name="servletName" value="forwarding"></property>
- </bean>
- <bean name="/abstractCommand"
- class="com.qin.sanxian.MyCommandController">
- <!-- 也可以通过依赖注入 注入命令实现类 -->
- <!-- property name="commandClass" value="cn.javass.chapter4.model.UserModel"/-->
- </bean>
- <!-- 表单的控制器 -->
- <bean name="/simpleForm" class="com.register.ReginsterController">
- <property name="formView" value="register"></property>
- <property name="successView" value="redirect:/success"></property>
- </bean>
- <!-- 处理成功的页面 -->
- <bean name="/success" class="com.qin.sanxian.SuccessController"></bean>
- <bean name="/mutilRegister" class="com.mutilregister.MultiRegisterController">
- <property name="pages">
- <list>
- <value>wizard/baseinfo</value>
- <value>wizard/schoolinfo</value>
- <value>wizard/workinfo</value>
- </list>
- </property>
- </bean>
- </beans>
控制器demo
- package com.qin.sanxian;
- import javax.servlet.http.HttpServletRequest;
- import javax.servlet.http.HttpServletResponse;
- import org.springframework.web.servlet.ModelAndView;
- import org.springframework.web.servlet.mvc.Controller;
- /**
- *
- *hellowrod控制器
- * **/
- public class HelloWorldController implements Controller {
- @Override
- public ModelAndView handleRequest(HttpServletRequest arg0,
- HttpServletResponse arg1) throws Exception {
- //1,收集参数,验证参数
- //2,绑定参数到命令对象
- //3,将命令对象传入业务对象进行业务处理
- //4,选择下一个页面
- //ModelAndView mv=new ModelAndView();
- //添加模型数据,可以是任意的POJO对象
- //mv.addObject("message", "Hellow Wordld!");
- //设置逻辑视图名,视图解析器,会根据此名字,解析到对应的视图页面
- /**
- *
- * 第五步返回 根据此名字
- * */
- //mv.setViewName("hello");
- arg1.getWriter().write("abc");
- return null;
- }
- }
项目的目录结构如下截图: