import {Component, OnInit, OnDestroy} from '@angular/core'; @Component({ selector: 'cm-checkcascader-doc-4', templateUrl: './cm-checkcascader-doc-4.component.html', styleUrls: ['./cm-checkcascader-doc-4.component.css'] }) export class CmCheckCascaderDoc4Component implements OnInit, OnDestroy { placeHolder: string = "请选择"; /** init data */ _options: any[] = [ { value: 'zhejiang', label: 'Zhejiang', children: [{ value: 'hangzhou', label: 'Hangzhou', children: [{ value: 'xihu', label: 'West Lake', isLeaf: true }], }, { value: 'ningbo', label: 'Ningbo', isLeaf: true }], }, { value: 'jiangsu', label: 'Jiangsu', children: [{ value: 'nanjing', label: 'Nanjing', children: [{ value: 'zhonghuamen', label: 'Zhong Hua Men', isLeaf: true }], }], } ]; _value: any[] = []; constructor() { } ngOnInit() { } ngOnDestroy() { } _console(value: any) { console.log(value); } }