日期数据转换类

public class UtlisDate {

    public  static  String  date2String(Date date,String patt){
       //日期转换字符串
        SimpleDateFormat simpleDateFormat =new SimpleDateFormat(patt);

        String formats = simpleDateFormat.format(date);

               return formats;

    }
    //字符转换成日期
   public static  Date  string2Date(String str,String patt)throws  Exception{
       SimpleDateFormat simpleDateFormat =new SimpleDateFormat(patt);
       Date parse = simpleDateFormat.parse(str);
       return parse;
   }

}