使用DOMDOCUMENT提取JavaScript值
可以使用DOM文档提取javascript值吗使用DOMDOCUMENT提取JavaScript值,javascript,php,html,Javascript,Php,Html,可以使用DOM文档提取javascript值吗 <script type="text/javascript"> var datePickerDate = "October 14, 2014"; $(document).ready(function(){ // meetings datepicker $("#datepicker").datepicker({ showOn: 'button', buttonImage: '/imag
<script type="text/javascript">
var datePickerDate = "October 14, 2014";
$(document).ready(function(){
// meetings datepicker
$("#datepicker").datepicker({
showOn: 'button',
buttonImage: '/images/calendar.gif',
buttonImageOnly: true,
onSelect: function(dateText, inst) {
populate_meetings(dateText, 0)
},
dateFormat: 'd MM yy',
minDate: new Date(2009, 0, 1), maxDate: 0
});
$('#datepicker').datepicker('option', 'defaultDate', new Date("October 14, 2014"));
$('#datepicker').val("October 14, 2014");
});
//call on page load to get meetings and date
populate_meetings("October 14, 2014", 15515);
</script>
html中有一些javascript,其中包含日期。。。。我想抓住那个日期,把它放在一个可验证的文件里
populate meetings只需在下拉框中填入日期即可。显然,您无法使用PHP执行javascript,因此最好使用正则表达式获取JS变量。下面是一个如何使用DOMXPath执行此操作的示例:
# create a new XPath object that will operate on the DOM that you've initialised
# in your code
$xp = new DOMXPath($dom);
# find all the script elements in the page
$scripts = $xp->query("//script");
foreach ($scripts as $s) {
# see if there are any matches for var datePickerDate in the script node's contents
if (preg_match('#var datePickerDate = "(.*?)"#', $s->nodeValue, $matches)) {
# the date itself (captured in brackets) is in $matches[1]
print_r($matches[1]);
}
}
输出:
October 14, 2014
我真的不明白问题出在哪里。你能再澄清一下吗?为什么标签中有PHP?在
填充会议
中发生了什么?我编辑了以上内容以提供更多信息
October 14, 2014