我有一个javascript函数可以自动更新日期和时间。
以下是我在此网址中找到的脚本:http://jsfiddle.net/pLsgJ/1/
setInterval(function() {
var currentTime = new Date ( );
var currentHours = currentTime.getHours ( );
var currentMinutes = currentTime.getMinutes ( );
var currentSeconds = currentTime.getSeconds ( );
currentMinutes = ( currentMinutes < 10 ? "0" : "" ) + currentMinutes;
currentSeconds = ( currentSeconds < 10 ? "0" : "" ) + currentSeconds;
var timeOfDay = ( currentHours < 12 ) ? "AM" : "PM";
currentHours = ( currentHours > 12 ) ? currentHours - 12 : currentHours;
currentHours = ( currentHours == 0 ) ? 12 : currentHours;
var currentTimeString = currentHours + ":" + currentMinutes + ":" + currentSeconds + " " + timeOfDay;
document.getElementById("timer").innerHTML = currentTimeString;
}, 1000);
然后要显示结果,我们必须使用HTML调用id:
<div id="timer"></div>
但我想在PHP上传递结果:
$timer = $_GET['timer'];
但它完全失败了。是否可以将javascript元素id传递给php?我怎么能这样做?
请帮帮我
答案 0 :(得分:2)
以表格
创建隐藏字段<form id= "myform">
<input type="hidden" name="timer" id="timer" value="">
</form>
JS: -
$('#timer').val() = currentTimeString;
$('form#myform').submit(); // for submit after value set may be work not tested
在提交表格后,您将获得: -
$timer = $_GET['timer'];
答案 1 :(得分:0)
Javascript变量在本地创建。所以在你的电脑上。 PHP变量在您的服务器上创建。
要将本地客户端的javascript值发送回服务器,您需要表单或ajax请求。
这是一个简单的jQuery Ajax请求:
$.get( "example.php", { timervalue: mytimevalue } );
使用此脚本,您可以发送您当地的&#34; mytimevalue&#34;到你的服务器。
答案 2 :(得分:0)
以表格形式发送,或者使用ajax。但最简单的方法是使用JS将其设置为cookie,然后使用PHP读取cookie。
JS
document.cookie="timer=" + timer;
PHP
$timer = $_COOKIE["timer"];
这里我为你添加一行:
setInterval(function() {
var currentTime = new Date ( );
var currentHours = currentTime.getHours ( );
var currentMinutes = currentTime.getMinutes ( );
var currentSeconds = currentTime.getSeconds ( );
currentMinutes = ( currentMinutes < 10 ? "0" : "" ) + currentMinutes;
currentSeconds = ( currentSeconds < 10 ? "0" : "" ) + currentSeconds;
var timeOfDay = ( currentHours < 12 ) ? "AM" : "PM";
currentHours = ( currentHours > 12 ) ? currentHours - 12 : currentHours;
currentHours = ( currentHours == 0 ) ? 12 : currentHours;
var currentTimeString = currentHours + ":" + currentMinutes + ":" + currentSeconds + " " + timeOfDay;
document.getElementById("timer").innerHTML = currentTimeString;
document.cookie="timer=" + currentTimeString;
}, 1000);