详解springMVC—三种控制器controller

<bean id="toLogin" name="/toLogin.do" class="org.springframework.web.servlet.mvc.ParameterizableViewController"> 
   <!-- 配置所跳转到的视图名称 --> 
   <propertynamepropertyname="viewName" value="login"></property> 
</bean> 

<bean name="/comm.do" id="comm"class="com.roy.controller.CommController"> 
  <!-- 指定接受参数类型--> 
  <propertynamepropertyname="commandClass"value="com.roy.model.Person"></property> 
</bean> 

package com.roy.controller; 
 
import java.util.Date; 
import java.text.SimpleDateFormat; 
 
import javax.servlet.http.HttpServletRequest; 
import javax.xml.crypto.Data; 
 
import org.springframework.beans.propertyeditors.CustomDateEditor; 
import org.springframework.web.bind.ServletRequestDataBinder; 
import org.springframework.web.servlet.mvc.SimpleFormController; 
import com.roy.model.Person; 
 
public class FormController extends SimpleFormController { 
  @Override 
  protected void doSubmitAction(Object command) throws Exception { 
    Person p=(Person) command; 
    System.out.println(p.toString()); 
    super.doSubmitAction(command); 
  } 
} 

<bean name="/form.do" id="form" class="com.roy.controller.FormController"> 
  <!-- 指定收集对象类型--> 
  <propertynamepropertyname="commandClass"value="com.roy.model.Person"></property> 
  <!-- 表单页面--> 
  <propertynamepropertyname="formView" value="form"></property> 
  <!-- 成功页面--> 
  <propertynamepropertyname="successView" value="success"></property> 
</bean> 

package com.roy.controller; 
 
import javax.servlet.http.HttpServletRequest; 
import javax.servlet.http.HttpServletResponse; 
 
import org.springframework.validation.BindException; 
import org.springframework.web.servlet.ModelAndView; 
import org.springframework.web.servlet.mvc.AbstractCommandController; 
 
import com.roy.model.Person; 
 
public class CommController extends AbstractCommandController{ 
 
  /** 
   * 每次请求都会创建一个person对象。根据请求中的参数名和person的属性的set方法 
   * 的字符串进行匹配，不区分首字母的大小写。 
   */ 
  @Override 
  protected ModelAndView handle(HttpServletRequest arg0, 
      HttpServletResponse arg1, Object obj, BindException arg3) 
      throws Exception { 
    Person p=(Person) obj; 
    System.out.println(p.toString()); 
    return null; 
  } 
 
}