How to make pictures drag freely with Vue.js
Mar 28, 2018 pm 05:29 PMThis time I will show you how Vue.js allows pictures to be dragged at will. What are the precautions for Vue.js to let pictures be dragged at will? The following is a practical case. Let’s take a look.
The main code is as follows:
<template> <p id="test_3"> <img src="../assets/img/photo.jpg" @mousedown="start" @mouseup="stop" @mousemove="move" :style="style"> </p> </template> <script> export default{ data:function(){ return{ canDrag: false, x0:0, y0:0, x1:0, y1:0, style:null } }, methods:{ start:function(e){ //鼠标左键点击 if(e.button==0){ this.canDrag=true; //记录鼠标指针位置 this.x0=e.clientX; this.y0=e.clientY; } }, stop:function(e){ this.canDrag=false; }, move:function(){ if(this.canDrag==true){ this.x1=e.clientX; this.y1=e.clientX; let x=this.x1-this.x0; let y=this.y1-this.y0; let img=document.querySelector("#test_3 img"); this.style=`left:${img.offsetLeft+x}px;top:${img.offsetTop+y}px`; this.x0=this.x1; this.y0=this.y1; } } } } </script>
I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related matters on the PHP Chinese website article!
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