按着教程画出来了但是发现点击后层级变化出错,求大神帮助看看
代码如下
tree图
city.json文件如下
{
"name":"中国",
"age":"19" ,
"children":
[
{
"name":"浙江" ,
"age":"19" ,
"children":
[
{"name":"杭州" , "age":"19" },
{"name":"宁波" , "age":"19" },
{"name":"温州" , "age":"19" },
{"name":"绍兴", "age":"19" }
]
},
{
"name":"广西" ,
"children":
[
{"name":"桂林", "age":"19" },
{"name":"南宁", "age":"19" },
{"name":"柳州", "age":"19" },
{"name":"防城港", "age":"19" }
]
},
{
"name":"黑龙江",
"children":
[
{"name":"哈尔滨"},
{"name":"齐齐哈尔"},
{"name":"牡丹江"},
{"name":"大庆"}
]
},
{
"name":"新疆" ,
"children":
[
{"name":"乌鲁木齐"},
{"name":"克拉玛依"},
{"name":"吐鲁番"},
{"name":"哈密"}
]
}
]
}
d3.v3.min.js文件不贴了-官网地址
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解决了
因为一行代码
我写的是
但是我没明白这个的作用是什么