webopen-captcha

下载

npm i webopen-captcha -g
或
npm i webopen-captcha -S

使用-结合http模块

const http = require('http')
const svgCaptcha = require('webopen-captcha')

const app = http.createServer((req, res) => {

const captcha = svgCaptcha.create();
res.setHeader('content-type', 'text/html;charset=utf-8')
res.end(captcha.data)
}) 

app.listen(3000, () => {
    console.log('启动成功，访问 http://localhost:3000');
})