1.【template】

<el-tree :data="orginOrgnData"
               node-key="id"
               ref="tree"
               :highlight-current="true"
               @node-click="getNodeData"
               :default-expanded-keys="[2, 3]"
               :default-checked-keys="[5]"
               :default-expand-all="true"
               :props="defaultProps"
      >
</el-tree>
 

2.【method】

//獲取選單資料
getData(orgnCode) {
	//let orgnCode = JSON.parse(sessionStorage.getItem('sessionData')).orgnCode
	// sessionStorage.setItem('sessionData',JSON.stringify(sessData));
	let parames = {
		"moduleName":this.A,
		"functionName": "uniformcertificationbiz.service.organ.OrgnService",
		"methodName": "qryOrgnList",
		"data": {
			"orgnCode": orgnCode,
			// "orgnStatus": "1"
		}
	}
	this.http(JSON.stringify(parames))
	.then((res) => {
		console.log(res,"test>>>>>>>>>>>>>")

		this.organData = res.data.orgns.children;
        	//console.log('>>>>>>>>>')
            	// console.log(this.organData.children)
           	// this.orginOrgnData = res.data.orgns
	})
	.catch(err => {
		console.log(err)
		})
	},
	//獲取選單樹節點資料
	getNodeData(n, m, j) {
		//children id title
		console.log("=n===========================================================",n);
		//node 結點
		console.log("=m=========================================================",m);
	//Vue.component
        console.log("=i========================================================",j)
		this.nodeData = n;
		this.isShow = true;
		this.addShow = false;
		this.editShow = false;
		this.getFormData();
		this.getData(this.nodeData.id);
        console.log("99999999===========================================================",this.nodeData.id);
		console.log(this.orginOrgnData)
        this.nodeData.children=this.organData;
	},