springMvc的日期转换之二

package cn.happy.controller;

import java.sql.Date;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.regex.Pattern;

import org.springframework.beans.TypeMismatchException;
import org.springframework.beans.propertyeditors.PropertiesEditor;

public class MyDateEditor extends PropertiesEditor{
    //重写方法
     @Override
    public void setAsText(String source) throws IllegalArgumentException {
         
      SimpleDateFormat sdf=getDate(source);
      //做一个操作
      try {
        setValue(sdf.parseObject(source));
    } catch (ParseException e) {
        e.printStackTrace();
    }
         
    }

    private SimpleDateFormat getDate(String source) {
        SimpleDateFormat sdf=null;
        //使用正则来校验所输入的类型格式
        
        //yyyy-MM-dd
        if (Pattern.matches("^\\d{4}-\\d{2}-\\d{2}$", source)) {
            sdf=new SimpleDateFormat("yyyy-MM-dd");
        //yyyy/MM/dd
        }else if (Pattern.matches("^\\d{4}/\\d{2}/\\d{2}$", source)) {
            sdf=new SimpleDateFormat("yyyy/MM/dd");
        //yyyyMMdd
        }else if (Pattern.matches("^\\d{4}\\d{2}\\d{2}$", source)) {
            sdf=new SimpleDateFormat("yyyyMMdd");
        }else {
            throw new TypeMismatchException("", Date.class);
        }
        
        return sdf;
    }
     
     
     
     
}

package cn.happy.controller;

import java.beans.PropertyEditor;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;

import org.springframework.beans.propertyeditors.CustomDateEditor;
import org.springframework.beans.propertyeditors.PropertiesEditor;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.InitBinder;
import org.springframework.web.bind.annotation.RequestMapping;
     @Controller
    public class FirstController {
         /**
          * 
          * @param binder
          */
         @InitBinder
        public void initBinder(WebDataBinder binder){
            binder.registerCustomEditor(Date.class,new MyDateEditor());
            System.out.println("===============11111");
            
        }
         
        @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";
        }
        
        
    }