php点击链接无刷新切换div内容

php点击链接无刷新切换div内容

           <style>
		   ul ol{display:none;}
		   li:hover > ol{display:block;}
		   </style>


<a href="#" id="link1">链接1</a>
<a href="#" id="link2">链接2</a>
<a href="#" id="link33">链接33</a>
<a href="#" id="link37">链接37</a>
<a href="#" id="link73">链接73</a>
<a href="#" id="link93">链接93</a>


<div id="div1">内容1</div>
<div id="div2">内容2</div>
<div id="div33">内容33</div>
<div id="div37">内容37</div>
<div id="div73">内容73</div>
<div id="div93">内容93</div>

<style>
div {display: none;}
.show {display: block;}
</style>

<script type="text/javascript"> 
document.getElementById("link1").addEventListener("click", function() {
  showDiv("div1");
});
document.getElementById("link2").addEventListener("click", function() {
  showDiv("div2");
});
document.getElementById("link33").addEventListener("click", function() {
  showDiv("div33");
});
document.getElementById("link37").addEventListener("click", function() {
  showDiv("div37");
});
function showDiv(divId) {
  // 隐藏所有div
  var divs = document.getElementsByTagName("div");
  for (var i = 0; i < divs.length; i++) {
    divs[i].classList.remove("show");
  }
  // 显示指定的div
  document.getElementById(divId).classList.add("show");
}
</script>