有没有办法根据时间从HTML中自动获取字符串
我正在寻找一种类似于html中SQL的解决方案 例如在SQL中有没有办法根据时间从HTML中自动获取字符串,html,sql,datetime,Html,Sql,Datetime,我正在寻找一种类似于html中SQL的解决方案 例如在SQL中 Case when date between 00:00:00 and 12:00:00 then "morning" else "afternoon" end as Morning/afternoon 在Java脚本标记中尝试以下操作: var myDate = new Date(); var hrs = myDate.getHours(); var greet; if (hrs >= 1
Case when date between 00:00:00 and 12:00:00 then "morning"
else "afternoon"
end as Morning/afternoon
在Java脚本标记中尝试以下操作:
var myDate = new Date();
var hrs = myDate.getHours();
var greet;
if (hrs >= 12 && hrs <= 11.59)
greet = 'Good Morning';
else if (hrs >= 12 && hrs <= 17)
greet = 'Good Afternoon';
else if (hrs >= 17 && hrs <= 24)
greet = 'Good Evening';
document.getElementById('TIME').innerHTML = greet;
您可以使用javascript代码和HTML实现您的目标,如下所示
<!DOCTYPE html>
<html>
<body>
<p id="demo">hello</p>
<script>
if (new Date().getHours() < 12) {
document.getElementById("demo").innerHTML = "Morning";
}
else if (new Date().getHours() >= 12) {
document.getElementById("demo").innerHTML = "Afternoon";
}
</script>
</body>
</html>
您希望在何处执行此计算?您想使用JavaScript吗?请回答这个问题,以便更清楚地了解您的问题。我想使用Javascript