Spring MVC配置(一)

以下是Spring MVC中三個Controller的實現和配置:

1.AbstractController的實現:

package com.sunfairs.northwind.servlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.log4j.Logger; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.View; import org.springframework.web.servlet.view.InternalResourceView; import org.springframework.web.servlet.view.InternalResourceViewResolver; import org.springframework.web.servlet.mvc.AbstractController; import org.springframework.web.servlet.mvc.ServletForwardingController; import org.springframework.web.servlet.mvc.multiaction.ParameterMethodNameResolver; import org.springframework.web.servlet.theme.FixedThemeResolver; import org.springframework.web.servlet.handler.SimpleUrlHandlerMapping; import org.springframework.web.servlet.handler.SimpleServletHandlerAdapter; import org.springframework.web.servlet.i18n.AcceptHeaderLocaleResolver; public class SpringOutController extends AbstractController { private static final Logger logger = Logger.getLogger(SpringOutController.class); private String param; private String viewPage; public String getParam() { return param; } public void setParam(String param) { this.param = param; } public String getViewPage() { return viewPage; } public void setViewPage(String viewPage) { this.viewPage = viewPage; } @Override protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response) throws Exception { ModelAndView modelAndview = new ModelAndView(); View view = new InternalResourceView(getViewPage()); modelAndview.addObject("param", this.getParam()); modelAndview.setView(view); return modelAndview; } }

2.MultiActionController的實現:

package com.sunfairs.northwind.servlet; import java.util.HashMap; import java.util.Map; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.log4j.Logger; import org.springframework.web.bind.ServletRequestDataBinder; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.View; import org.springframework.web.servlet.view.InternalResourceView; import org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter; import org.springframework.web.servlet.mvc.multiaction.MultiActionController; public class SpringMultiController extends MultiActionController { private static final Logger logger = Logger.getLogger(SpringMultiController.class); private String userName; private String passWord; private String viewPage; SimpleControllerHandlerAdapter adapter; ServletRequestDataBinder binder; public String getPassWord() { return passWord; } public void setPassWord(String passWord) { this.passWord = passWord; } public String getUserName() { return userName; } public void setUserName(String userName) { this.userName = userName; } public String getViewPage() { return viewPage; } public void setViewPage(String viewPage) { this.viewPage = viewPage; } public ModelAndView doLogin(HttpServletRequest request, HttpServletResponse response) throws Exception { ModelAndView modelAndView = new ModelAndView(); Map map = new HashMap(); map.put("userName", this.getUserName()); map.put("passWord", this.getPassWord()); modelAndView.addAllObjects(map); View view = new InternalResourceView(this.getViewPage()); modelAndView.setView(view); return modelAndView; } }

3.AbstractCommandController的實現:

package com.sunfairs.northwind.servlet; import java.text.DateFormat; import java.text.NumberFormat; import java.util.Date; import java.util.HashMap; import java.util.Map; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.log4j.Logger; import org.springframework.beans.propertyeditors.CustomDateEditor; import org.springframework.beans.propertyeditors.CustomNumberEditor; import org.springframework.validation.BindException; import org.springframework.web.bind.ServletRequestDataBinder; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.View; import org.springframework.web.servlet.view.InternalResourceView; import org.springframework.web.servlet.mvc.AbstractCommandController; import com.sunfairs.northwind.bean.SimpleLoginBean; public class SimpleCommandController extends AbstractCommandController { private static final Logger logger = Logger.getLogger(SimpleCommandController.class); @Override protected ModelAndView handle(HttpServletRequest request, HttpServletResponse response, Object command, BindException exception) throws Exception { SimpleLoginBean loginBean = (SimpleLoginBean)command; loginBean.setLoginNum(1); loginBean.setLoginTime(new Date()); Map map = new HashMap(); map.put("userName", loginBean.getUserName()); map.put("passWord", loginBean.getPassWord()); map.put("loginTime", loginBean.getLoginTime()); map.put("loginNum", loginBean.getLoginNum()); View view = new InternalResourceView("index.jsp"); ModelAndView modelView = new ModelAndView(view,map); return modelView; } @Override protected void initBinder(HttpServletRequest request, ServletRequestDataBinder binder) throws Exception { DateFormat dateFormat = DateFormat.getDateTimeInstance(); CustomDateEditor dateEditor = new CustomDateEditor(dateFormat,true); binder.registerCustomEditor(Date.class, dateEditor); NumberFormat numberFormat = NumberFormat.getIntegerInstance(); CustomNumberEditor numberEditor = new CustomNumberEditor(Integer.class,numberFormat,true); binder.registerCustomEditor(Integer.class, numberEditor); } }

4.web.xml配置:

 <servlet> <servlet-name>dispatcherServlet</servlet-name> <servlet-class> org.springframework.web.servlet.DispatcherServlet </servlet-class> </servlet>

5.dispatcherServlet-servlet.xml配置:

<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd" > <beans> <bean id="localeResolver" class="org.springframework.web.servlet.i18n.AcceptHeaderLocaleResolver"/> <bean id="themeResolver" class="org.springframework.web.servlet.theme.FixedThemeResolver"/> <bean id="servletHandlerAdapter" class="org.springframework.web.servlet.handler.SimpleServletHandlerAdapter"/> <bean id="controllerHandlerAdapter" class="org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter"/> <bean id="urlMapping" class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping"> <property name="mappings"> <props> <prop key="testOut.tll">outController</prop> <prop key="login.tll">multiController</prop> <prop key="index.tll">commandController</prop> </props> </property> </bean> <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="viewClass"> <value> org.springframework.web.servlet.view.InternalResourceView </value> </property> </bean> <bean id="outController" class="com.sunfairs.northwind.servlet.SpringOutController"> <property name="param"> <value>This is a test...</value> </property> <property name="viewPage"> <value>/spring/t_test_out.jsp</value> </property> </bean> <bean id="paramResolver" class="org.springframework.web.servlet.mvc.multiaction.ParameterMethodNameResolver"> <property name="paramName"> <value>method</value> </property> </bean> <bean id="multiController" class="com.sunfairs.northwind.servlet.SpringMultiController"> <property name="methodNameResolver"> <ref bean="paramResolver"/> </property> <property name="userName"> <value>admin</value> </property> <property name="passWord"> <value>admin</value> </property> <property name="viewPage"> <value>login.jsp</value> </property> </bean> <bean id="commandController" class="com.sunfairs.northwind.servlet.SimpleCommandController"> <property name="commandClass"> <value> com.sunfairs.northwind.bean.SimpleLoginBean </value> </property> </bean> </beans>