what is v-tree?

:treeNode     type:json    default:[]

:allOpen      type:boolean    default:false

:nodeTrigger     type:boolean     default:false

@call    type:Function     parameter:inside treeNode,You can change it and the page will be re-rendered.

:beforeClick    type:Function     parameter:Current node information(参数：当前节点信息)

:clickNode    type:Function     parameter 1:Current node information,parameter 2:Last selected node information(上一个选中的节点信息)

:checkBox    type:boolean     default:false

:checkBoxType    type:boolean     default:true

@checkBoxCall    type:Function     parameter:All selected node sets(所有选中的节点集合)

:async    type:boolean     default:false

:asyncCall    type:Function     parameter 1:Current node information,parameter 2:callback function,Receive an array parameter  
Example:

asyncCall(data, call) {    //data:Current node information
        setTimeout(function () {
          let hm = '' + (new Date()).getTime();
          let addNode = [
            {id: hm, name: "children node" + hm.substr(hm.length - 4, hm.length)},
          ];
          call(addNode);  //callback function
        }, 800);
      }

    <Tree
        :treeNode="treeNode"
        :allOpen="allOpen"
        :nodeTrigger="nodeTrigger"
        :checkBox="checkBox"
        :beforeClick="beforeClick"
        :checkBoxType="checkBoxType"
        :clickNode="clickNode"
        :hiddenLine="hiddenLine"
        @checkBoxCall="asyncCheckBoxCall"
        @call='callAsync'
        :async="async"
        :asyncCall="asyncCall"
    />

# install dependencies
npm install

# serve with hot reload at localhost:8089
npm run dev