@Controller

	public class FirstController {

    	 /**

    	  * @param binder

    	  */

    	@InitBinder

    	public void initBinder(WebDataBinder binder){

    		//PropertyEditor

    		//类  implements  PropertyEditor
　　　　　　　　　　//yyyy-MM-dd格式的时间

    		binder.registerCustomEditor(Date.class, new CustomDateEditor(new SimpleDateFormat("yyyy-MM-dd"), true));

    	}

		@RequestMapping("/first.do")

		//类型转化工作一定是在真正的handler方法执行前执行的。

		public String doFirst(Date birthday,int age) throws Exception{

			System.out.println(birthday+"===============");

			System.out.println(age+"===============");

			return "/WELCOME.jsp";

		}

	}

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

    xmlns:context="http://www.springframework.org/schema/context"

    xmlns:aop="http://www.springframework.org/schema/aop"

    xmlns:tx="http://www.springframework.org/schema/tx"

    xmlns:mvc="http://www.springframework.org/schema/mvc"

     xsi:schemaLocation="

        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd

        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd

        http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd

        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd

        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd

        ">

   <!-- 配置包扫描器-->

       <context:component-scan base-package="cn.happy.controller"></context:component-scan>

</beans>