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jQuery implements input box drop-down list tree plug-in special effects code sharing_jquery

WBOYOriginal: 2016-05-16 15:42:171324browse

The example in this article describes the jQuery implementation of the input box drop-down list tree plug-in. Share it with everyone for your reference. The details are as follows:
This is a drop-down list tree plug-in source code based on jquery. It is a practical jquery tree drop-down box drop-down tree code. Click on the text box to pop up a tree-shaped drop-down list, and click on the list item to select the text corresponding to the list. It is a very practical special effects source code.
运行效果图： -------------------查看效果下载源码----------- --------

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The jQuery implementation of the input box drop-down list tree plug-in code shared with you is as follows

<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>jQuery实现输入框下拉列表树插件代码</title>
<link href="css/dtreeck.css" type="text/css" rel="stylesheet" />
</head>
<body>

<!--代码部分begin-->
<table width="100%" align="center" cellpadding="0" cellspacing="0">
 <tr>
 <td colspan="1" valign="top" width="35%" style="padding-left: 30px;">
 </td>
 <td valign="top" height="65%" align="left">
  <form method="post" id="regform">
  <table width="70%" cellpadding="1" cellspacing="0" border="0" style="margin-top: 10px;">
   <tr>
   <td width="20%" align="right">
   父 菜 单：
   </td>
   <td width="30%" align="left">
   <input type="text" id="menu_parent_name" style="width: 150px;">
   <input type="hidden" id="menu_parent" name="menu_parent">
   <input type="hidden" id="oprate" name="oprate">
   <input type="hidden" id="menu_id" name="menu_id">
   </td>
   <td width="20%" align="right">
   </td>
   <td width="30%" align="left">
   </td>
   </tr>
  </table>
  </form>
 </td>
 </tr>
</table>
<script src="http://www.lanrenzhijia.com/ajaxjs/jquery.min.js"></script>
<script src="js/dtreeck.js"></script>
<div id="treediv">
 <div align="right">
 <a href="javascript:viod(0);" id="closed"><font color="#000">关闭</font></a>
  </div>
  <script src="js/lanren.js"></script>
</div>  
<script>
//生成弹出层的代码
<!-- 弹出层-->
xOffset = 0;//向右偏移量
yOffset = 25;//向下偏移量
var toshow = "treediv";//要显示的层的id
var target = "menu_parent_name";//目标控件----也就是想要点击后弹出树形菜单的那个控件id
$("#"+target).click(function (){
 $("#"+toshow)
 .css("position", "absolute")
 .css("left", $("#"+target).position().left+xOffset + "px")
 .css("top", $("#"+target).position().top+yOffset +"px").show();
});
//关闭层
$("#closed").click(function(){
 $("#"+toshow).hide();
});

//判断鼠标在不在弹出层范围内
 function  checkIn(id){
 var yy = 20;  //偏移量
 var str = "";
 var  x=window.event.clientX;  
 var  y=window.event.clientY;  
 var  obj=$("#"+id)[0];
 if(x>obj.offsetLeft&&x<(obj.offsetLeft+obj.clientWidth)&&y>(obj.offsetTop-yy)&&y<(obj.offsetTop+obj.clientHeight)){  
 return true;
 }else{  
 return false;
 }  
 }  
//点击body关闭弹出层
 $(document).click(function(){
 var is = checkIn("treediv");
 if(!is){
  $("#"+toshow).hide();
 }
 });
<!-- 弹出层-->
//生成弹出层的代码

//点击菜单树给文本框赋值------------------菜单树里加此方法
function setvalue(id,name){
 $("#menu_parent_name").val(name);
 $("#menu_parent").val(id);
 $("#treediv").hide();
}
</script>
<!--代码部分end-->

</body>
</html>

The above is the jQuery implementation of the input box drop-down list tree plug-in code shared with you. I hope you like it.

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