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php文件中的jquery解决方法

Jun 13, 2016 pm 12:13 PM
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php文件中的jquery
php中可以包含jquery语句吗?假设a.php 中有  而且引入了jq.js
b.php中有<script><br /> $(window).on('scroll',function(){<br />alert('123');<br />})<br />a.php中为什么没有 alert? 只是举个例子 新手一个<br /><br><font color='#FF8000'>------解决思路----------------------<br>你的b.php里面的js是在引用jquery前就使用了jq的方法,所以失效,而c.js是在引用了jquery后,所以可以成功弹出,还有2楼的大括号和中括号确实多余的<br />a.php<br /><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class='brush:php;toolbar:false;'>&lt;br /&gt;&lt;script type=&quot;text/javascript&quot; src=&quot;js/jquery-2.1.1.min.js&quot; &gt;&lt;br /&gt;&lt;?php&lt;br /&gt;require_once('b.php');&lt;br /&gt;?&gt;&lt;br /&gt;&lt;script type=&quot;text/javascript&quot; src=&quot;c.js&quot;&gt;&lt;/script&gt;&lt;br /&gt;&lt;style type=&quot;text/css&quot;&gt;&lt;br /&gt;.show{&lt;br /&gt;width:150px;&lt;br /&gt;height:150px;&lt;br /&gt;background-color:#f90;&lt;br /&gt;}&lt;br /&gt;&lt;/style&gt;&lt;br /&gt;&lt;div class=&quot;show&quot;&gt;&lt;/div&gt;//为了出现滚动条&lt;br /&gt;&lt;div class=&quot;show&quot;&gt;&lt;/div&gt;&lt;br /&gt;&lt;div id=&quot;show&quot;&gt;&lt;/div&gt;&lt;br /&gt;&lt;div class=&quot;show&quot;&gt;&lt;/div&gt;&lt;br /&gt;&lt;div class=&quot;show&quot;&gt;&lt;/div&gt;&lt;br /&gt;&lt;div class=&quot;show&quot;&gt;&lt;/div&gt;</pre><div class="contentsignin">Copy after login</div></div><br />这样应该可以了<br><font color='#FF8000'>------解决思路----------------------</font><br><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class='brush:php;toolbar:false;'>&lt;script type=&quot;text/javascript&quot;&gt;&lt;br /&gt;$(function() {&lt;br /&gt; $(window).on('scroll',function(){&lt;br /&gt; alert ('123');&lt;br /&gt; })&lt;br /&gt;});&lt;br /&gt;&lt;/script&gt;&lt;br /&gt;</pre><div class="contentsignin">Copy after login</div></div>这样写,就与加载次序无关了<br /><br />所以 #2 不是多了 });<br />而是少了 $(function() {<br /><div class="clear"></script>

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