SpringMVC中如何将MultiActionController和CommandController结和使用

最新推荐文章于 2019-03-31 23:22:56 发布

转载最新推荐文章于 2019-03-31 23:22:56 发布 · 592 阅读

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#import #exception #hashmap #bean #command #class

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本文介绍了一个使用Spring MVC框架实现的MultiActionController的具体示例。该控制器通过不同的请求映射到类中的多个方法，展示了如何处理多种HTTP请求并返回相应的视图。

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java 代码

   1. package com.betop.probe.controller.study;
   2.
   3. import java.util.HashMap;
   4. import java.util.Map;
   5.
   6. import javax.servlet.http.HttpServletRequest;
   7. import javax.servlet.http.HttpServletResponse;
   8.
   9. import org.springframework.validation.BindException;
10. import org.springframework.web.bind.ServletRequestDataBinder;
11. import org.springframework.web.servlet.ModelAndView;
12. import org.springframework.web.servlet.mvc.AbstractCommandController;
13.
14. import com.betop.probe.domain.MasterUser;
15.
16. public class UserMultiActionController3 extends AbstractCommandController{
17.
18.     public UserMultiActionController3(){
19.         this.setCommandClass(MasterUser.class);
20.     }
21.
22.     public ModelAndView demo1(HttpServletRequest req, HttpServletResponse resp)throws Exception {
23.
24.         Map model = new HashMap();
25.         model.put("message", "这是MultiActioncontroller的第三种配置!");
26.         return new ModelAndView("study/MultiActionControllerView3.vm", model);
27.     }
28.
29.     public ModelAndView demo2(HttpServletRequest req, HttpServletResponse resp)throws Exception{
30.
31.
32.         MasterUser user = getCommand(req, resp);
33.
34.         Map model = new HashMap();
35.
36.         model.put("user", user);
37.
38.         return new ModelAndView("study/result.vm", model);
39.         //return super.handleRequest(req, resp);
40.     }
41.
42.     private MasterUser getCommand(HttpServletRequest req, HttpServletResponse resp) throws Exception{
43.
44.         MasterUser command = (MasterUser)getCommand(req);
45.         ServletRequestDataBinder binder = bindAndValidate(req, command);
46.         BindException errors = new BindException(binder.getBindingResult());
47.
48.         return command;
49.     }
50.
51.     @Override
52.     protected ModelAndView handle(HttpServletRequest request,
53.             HttpServletResponse response, Object command, BindException errors)
54.             throws Exception {
55.         // TODO Auto-generated method stub
56.         return null;
57.     }
58.
59. }

xml代码：

#       <bean id="testMulti3" class="com.betop.probe.controller.study.UserMultiActionController3"/>
#
# <bean id="proxyController" class="org.springframework.web.servlet.mvc.multiaction.MultiActionController">
#     <property name="methodNameResolver">
#         <ref bean="paraMethodResolver"/>
#     </property>
#
#     <property name="delegate">
#         <ref bean="testMulti3"/>
#     </property>
# </bean>
#
# <bean id="SimpleUrlMapping" class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
#        <property name="mappings">
#            <props>
#         <prop key="/test/*.htm">proxyController</prop>
#            </props>
#        </property>
#    </bean>

<bean id="paraMethodResolver" class="org.springframework.web.servlet.mvc.multiaction.ParameterMethodNameResolver">
<property name="paramName">
<value>method</value>
</property>
</bean>