<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<script src="jquery-3.2.1.js"></script>
<style>
.tree {
}
.tree ul li{
list-style-type:none;
}
.tree a{
cursor:pointer;
}
.tree span{
cursor:pointer;
}
</style>
</head>
<body>
<div id=\'treedemo\' class=\'tree\'>
</div>
<script>
var data = [
{
id:1,
city:\'云南省\',
child:[
{
id:2,
city:\'昆明市\',
child:[
{id:3,city:\'五华区\',child:[]},
{id:4,city:\'盘龙区\',child:[]},
{id:5,city:\'官渡区\',child:[]},
]
},
{
id:6,
city:\'曲靖市\',
child:[
{id:7,city:\'麒麟区\',child:[
{id:16,city:\'开发区\',child:[]},
{id:17,city:\'麒麟花园\',child:[]},
]},
{id:8,city:\'马龙县\',child:[]},
]
},
]
},
{
id:9,
city:\'贵州省\',
child:[
{
id:10,
city:\'贵阳市\',
child:[
{id:11,city:\'南明区\',child:[]},
{id:12,city:\'云岩区\',child:[]},
]
},
{
id:13,
city:\'六盘水\',
child:[
{id:14,city:\'钟山区\',child:[]},
{id:15,city:\'六枝特区\',child:[]},
]
},
]
}
];
function createTree(data){
var content = \'<ul>\';
for(var i=0; i<data.length;i++){
content += \'<li><span>+ </span><a data-id="\' + data[i].id + \'">\'+ data[i].city + \'</a>\';
if(data[i].child.length>0){
content += createTree(data[i].child);
}
content += \'</li>\';
}
content += \'</ul>\';
return content;
}
$(\'#treedemo\').html(createTree(data));
$(\'#treedemo\').on(\'click\',function(e){
var targetNode = $(e.target);
var nodeName = targetNode.get(0).tagName.toLowerCase();
if(nodeName == "span"){
$(e.target).parent().children("ul").toggle();
}
if(nodeName == "a"){
console.log($(e.target).data(\'id\'));
}
});
</script>
</body>
</html>