随机验证码-下载

npm i myself-captcha -S

随机验证码-使用

const captcha = require('myself-captcha')
let temp = captcha.create()
console.log(temp)

随机验证码 --结合HTTP模块

const http = require('http')

const captcha = require('myself-captcha')

http.createServer((req, res) => {
    res.setHeader('content-type', 'text/html;charset=utf-8')
    let temp = captcha.create(10,10,'green','100px','100px','pink')   
    //参数(x轴起点位置，y轴起点位置，盒子宽，盒子高，背景颜色)
    // console.log(temp) // {text:'D3DS', data: '<svg></svg>'}
    res.end(temp.data)
}).listen(3000, () => {
    console.log('启动成功， 访问  http://localhost:3000');
})