drag 自定义指令

import Vue from 'vue'
const drag = Vue.directive('drag', {     bind: function(el) {},     inserted: function(el) {         el.onmousedown = function(e) {             var disx = e.pageX - el.offsetLeft             var disy = e.pageY - el.offsetTop             document.onmousemove = e => {                 el.style.left = e.pageX - disx + 'px'                 el.style.top = e.pageY - disy + 'px'             }             document.onmouseup = () => {                 document.onmousemove = document.onmouseup = null             }         }     },     updated: function(el) {}, }) export default drag

标签：function,el,自定义,disx,disy,drag,指令,document
来源： https://www.cnblogs.com/chenlongsheng/p/16673127.html