spring mvc 日期转换

http://my.oschina.net/u/2274056/blog/363858

@InitBinder  
    protected void initBinder(HttpServletRequest request,  
            ServletRequestDataBinder binder) throws Exception {  
            DateFormat df = new SimpleDateFormat("yyyy-MM-dd");  
            CustomDateEditor editor = new CustomDateEditor(df, false);  
            binder.registerCustomEditor(Date.class, editor);  
    }