1.日期和字符转换函数用法(to_date,to_char)select to_char(sysdate,'yyyy-mm-dd hh24:mi:ss') as nowTime from dual; //日期转化为字符串 select to_char(sysdate,'yyyy') as nowYear from dual; //获取时间的年 select to_char(sysdate,'mm') as nowMonth from dual; //获取时间的月 select to_char(s
var date = new Date(); alert(date);//获取当前时间 alert(date.getFullYear());//获取当前年分 alert(date.getMonth());//获取月份(获取当前月份要加1) alert(date.getDate());//获取当前日期的几号 alert(date.getDay());//获取当前是星期几 alert(date.getTime());//获取距离1970/01/01 至今的毫秒 settime()是向 1970/01