svg-captcha 验证码

[github]https://github.com/produck/svg-captcha

pnpm add svg-captcha

var svgCaptcha = require('svg-captcha');

const options = {
  size: 4,
  noise: 1,
  width: 100,
  height: 40,
  color: true,
  background: '#fff',
} 

var captcha = svgCaptcha.create({ ...options });
console.log(captcha);
// {data: '<svg.../svg>', text: 'abcd'}

svgCaptcha.createMathExpr({
  ...options,
  mathMin: 1,
  mathMax: 9,
  mathOperator : '+' | '-' | '+-',
})

svgCaptcha(text, options)