<script  src="http://cdn.bootcss.com/jquery/2.1.3/jquery.js"></script>

import {Component , ElementRef,OnInit} from '@angular/core';

declare var jQuery:any;  //定义jquery

@Component({
    template :`
        <button>点击我</button>
    `
})

export class  TestComponent implements OnInit {
    constructor(public _elementRef: ElementRef){}

    ngOnInit():any{
        jQuery(this._elementRef.nativeElement).on('click',function(){
            console.log();
        })
    }

}