captcha-login v1.0.2

import CaptchaLogin from "captcha-login"

let captcha = new CaptchaLogin({
	lineWidth: 1,   //线条宽度
	lineNum: 6,       //线条数量
	dotR: 2,          //点的半径
	dotNum: 25,       //点的数量
	preGroundColor: [10, 80],    //前景色区间
	backGroundColor: [150, 250], //背景色区间
	fontSize: 30,           //字体大小
	fontFamily: ['Georgia', '微软雅黑', 'Helvetica', 'Arial'],  //字体类型
	fontStyle: 'stroke',      //字体绘制方法，有fill和stroke
	content: 'acdefhijkmnpwxyABCDEFGHJKMNPQWXY12345789',  //验证码内容
	length: 6    //验证码长度
}); // 传值
captcha.draw(document.querySelector('#captcha'), r => {
	console.log(r, '验证码2');
});

 <canvas width="240" height="90" id="captcha"></canvas>