js获取当前系统时间
2017-05-17 09:29
288 查看
$(document).ready(function() {
//设置1秒调用一次show_cur_times函数
setInterval("show_cur_times()", 1000);
});
function show_cur_times() {
//获取当前日期
var date_time = new Date();
//定义星期
var week;
//switch判断
switch (date_time.getDay()) {
case 1:
week = "星期一";
break;
case 2:
week = "星期二";
break;
case 3:
week = "星期三";
break;
case 4:
week = "星期四";
break;
case 5:
week = "星期五";
break;
case 6:
week = "星期六";
break;
default:
week = "星期天";
break;
}
//年
var year = date_time.getFullYear();
//判断小于10,前面补0
if (year < 10) {
year = "0" + year;
}
//月
var month = date_time.getMonth() + 1;
//判断小于10,前面补0
if (month < 10) {
month = "0" + month;
}
//日
var day = date_time.getDate();
//判断小于10,前面补0
if (day < 10) {
day = "0" + day;
}
//时
var hours = date_time.getHours();
//判断小于10,前面补0
if (hours < 10) {
hours = "0" + hours;
}
//分
var minutes = date_time.getMinutes();
//判断小于10,前面补0
if (minutes < 10) {
minutes = "0" + minutes;
}
//秒
var seconds = date_time.getSeconds();
//判断小于10,前面补0
if (seconds < 10) {
seconds = "0" + seconds;
}
//拼接年月日时分秒
var date_str = year + "年" + month + "月" + day + "日 " + hours + ":"
+ minutes + ":" + seconds + " " + week;
//显示在id为showtimes的容器里
document.getElementById("showtimes").innerHTML = date_str;
}
//设置1秒调用一次show_cur_times函数
setInterval("show_cur_times()", 1000);
});
function show_cur_times() {
//获取当前日期
var date_time = new Date();
//定义星期
var week;
//switch判断
switch (date_time.getDay()) {
case 1:
week = "星期一";
break;
case 2:
week = "星期二";
break;
case 3:
week = "星期三";
break;
case 4:
week = "星期四";
break;
case 5:
week = "星期五";
break;
case 6:
week = "星期六";
break;
default:
week = "星期天";
break;
}
//年
var year = date_time.getFullYear();
//判断小于10,前面补0
if (year < 10) {
year = "0" + year;
}
//月
var month = date_time.getMonth() + 1;
//判断小于10,前面补0
if (month < 10) {
month = "0" + month;
}
//日
var day = date_time.getDate();
//判断小于10,前面补0
if (day < 10) {
day = "0" + day;
}
//时
var hours = date_time.getHours();
//判断小于10,前面补0
if (hours < 10) {
hours = "0" + hours;
}
//分
var minutes = date_time.getMinutes();
//判断小于10,前面补0
if (minutes < 10) {
minutes = "0" + minutes;
}
//秒
var seconds = date_time.getSeconds();
//判断小于10,前面补0
if (seconds < 10) {
seconds = "0" + seconds;
}
//拼接年月日时分秒
var date_str = year + "年" + month + "月" + day + "日 " + hours + ":"
+ minutes + ":" + seconds + " " + week;
//显示在id为showtimes的容器里
document.getElementById("showtimes").innerHTML = date_str;
}
相关文章推荐