canvas实现画图形验证码

画图形验证码"/>

canvas实现画图形验证码

html:

<canvas id="canvas" @click="getCanvas()"></canvas>

mounted:

this.draw("9527")

js:

    getCanvas() {const numArr = ['mercurio13zeq', 'canvas', '9527', '11数字33', 'd字母f']const index = Math.floor(Math.random()*5)const num = numArr[index]this.draw(num)},draw(str) {let canvas_width = 120;let canvas_height = 50;let canvas = document.getElementById("canvas"); //获取到canvas的对象，演员// console.log(</