日期格式化转换
1 SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); 2 sdf.parse(dateStr);//string转date 3 sdf.format(dateStr);//date转String
1 SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); 2 sdf.parse(dateStr);//string转date 3 sdf.format(dateStr);//date转String