<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title></title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<!--<link rel="stylesheet" type="text/css" href="./styles.css">-->
<script>
function init() {
var now = new Date();
//alert("最大");
alert("现在是" + now.getYear() + "年" + (now.getMonth()+1) + "月" +
now.getDate() + "日" + now.getHours() + "时" + now.getMinutes() + "分" + now.getSeconds() + "秒");
var year = now.getYear();
var month =now.getMonth()+1;
var date= now.getDate() ;
var hours = now.getHours();
var minutes = now.getMinutes();
var seconds = now.getSeconds();
if(month<10) {
month = "0" + month;
}
if(date<10) {
date= "0" + date;
}
if(hours<10) {
hours = "0" + hours;
}
if(minutes<10) {
minutes = "0" + minutes;
}
if(seconds<10) {
seconds = "0" + seconds;
}
var nowDate = year + "-" + month + "-" + date+ " " + hours + ":" + minutes + ":" + seconds;
alert(nowDate);
var sendDate = "2007-12-02 12:39:34"
alert(sendDate>nowDate);
}
window.onload=init;
function compareTime(sendDate, nowDate) {
//比较发送时间sendDate是否大于系统时间 是: 发送>系统 否:发送<=系统
if(sendDate <= nowDate) {
alert("发送时间必须晚于当前时间");
return false;
}
alert("发送成功");
return true;
}
</script>
</head>
<body>
</body>
</html>
<html>
<head>
<title></title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<!--<link rel="stylesheet" type="text/css" href="./styles.css">-->
<script>
function init() {
var now = new Date();
//alert("最大");
alert("现在是" + now.getYear() + "年" + (now.getMonth()+1) + "月" +
now.getDate() + "日" + now.getHours() + "时" + now.getMinutes() + "分" + now.getSeconds() + "秒");
var year = now.getYear();
var month =now.getMonth()+1;
var date= now.getDate() ;
var hours = now.getHours();
var minutes = now.getMinutes();
var seconds = now.getSeconds();
if(month<10) {
month = "0" + month;
}
if(date<10) {
date= "0" + date;
}
if(hours<10) {
hours = "0" + hours;
}
if(minutes<10) {
minutes = "0" + minutes;
}
if(seconds<10) {
seconds = "0" + seconds;
}
var nowDate = year + "-" + month + "-" + date+ " " + hours + ":" + minutes + ":" + seconds;
alert(nowDate);
var sendDate = "2007-12-02 12:39:34"
alert(sendDate>nowDate);
}
window.onload=init;
function compareTime(sendDate, nowDate) {
//比较发送时间sendDate是否大于系统时间 是: 发送>系统 否:发送<=系统
if(sendDate <= nowDate) {
alert("发送时间必须晚于当前时间");
return false;
}
alert("发送成功");
return true;
}
</script>
</head>
<body>
</body>
</html>
本文通过一个具体的JavaScript脚本示例介绍了如何获取当前日期和时间,并展示了如何将这些信息格式化为标准日期字符串。此外,还提供了一个日期比较的功能,用于判断指定的日期是否晚于当前系统时间。
138

被折叠的 条评论
为什么被折叠?



