二维码生成接口

基于 qrcode - npm (npmjs.com) 实现生成二维码接口，后续应该再弄一个二维码识别的。

支持直接返回二维码图像，PNG的base64编码地址或者SVG字符串。

https://api.timelessq.com/qrcode

1. 请求参数

参数名	位置	类型	必填	说明	示例值
text	query	string	是	二维码内容	https://api.timelessq.com/
type	query	integer	否	返回模式，1:直接返回二维码图像 2:base64编码PNG 3:SVG字符串，默认1
el	query	string	否	纠错级别：low, medium, quartile, highL, M, Q, H，默认M	Q
margin	query	integer	否	外边距，默认4	2
scale	query	integer	否	缩放比例，每个黑点的像素，默认4
width	query	integer	否	强制输出图像的特定宽度	256
fgColor	query	string	否	前景色代码	66ccff
bgColor	query	string	否	背景色代码	ffffff

2. 示例代码

var axios = require('axios');

var config = {
   method: 'get',
   url: 'https://api.timelessq.com/qrcode?text=https://api.timelessq.com/'
};

axios(config)
.then(function (response) {
   console.log(JSON.stringify(response.data));
})
.catch(function (error) {
   console.log(error);
});

3. 返回响应

图片

base64，目前仅支持PNG格式

{
    "errno": 0,
    "errmsg": "",
    "data": "data:image/png;base64,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"
}

svg

{
    "errno": 0,
    "errmsg": "",
    "data": "<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"256\" height=\"256\" viewBox=\"0 0 29 29\" shape-rendering=\"crispEdges\"><path fill=\"#ffffff\" d=\"M0 0h29v29H0z\"/><path stroke=\"#66ccff\" d=\"M2 2.5h7m3 0h1m5 0h1m1 0h7M2 3.5h1m5 0h1m2 0h1m1 0h2m1 0h2m2 0h1m5 0h1M2 4.5h1m1 0h3m1 0h1m1 0h1m1 0h3m1 0h3m1 0h1m1 0h3m1 0h1M2 5.5h1m1 0h3m1 0h1m1 0h2m3 0h2m3 0h1m1 0h3m1 0h1M2 6.5h1m1 0h3m1 0h1m1 0h1m3 0h1m1 0h1m1 0h1m1 0h1m1 0h3m1 0h1M2 7.5h1m5 0h1m1 0h1m2 0h3m1 0h2m1 0h1m5 0h1M2 8.5h7m1 0h1m1 0h1m1 0h1m1 0h1m1 0h1m1 0h7M10 9.5h1m1 0h1m3 0h3M2 10.5h1m1 0h5m3 0h6m2 0h5M2 11.5h4m5 0h1m2 0h1m1 0h1m1 0h2m1 0h1m3 0h1M2 12.5h1m2 0h4m2 0h1m2 0h2m1 0h2m1 0h2m1 0h1m1 0h2M2 13.5h1m1 0h2m3 0h4m3 0h3m1 0h1m5 0h1M4 14.5h3m1 0h1m1 0h2m2 0h3m2 0h2m1 0h1m1 0h3M2 15.5h3m1 0h2m2 0h1m3 0h1m1 0h1m1 0h1m2 0h1m1 0h1m1 0h1M2 16.5h1m5 0h1m2 0h2m4 0h2m2 0h3m1 0h2M2 17.5h1m2 0h3m1 0h1m1 0h1m1 0h1m2 0h2m1 0h4m3 0h1M2 18.5h1m1 0h1m2 0h2m1 0h2m1 0h3m2 0h5m1 0h1M10 19.5h2m1 0h3m1 0h2m3 0h2M2 20.5h7m3 0h1m2 0h2m1 0h1m1 0h1m1 0h1m1 0h3M2 21.5h1m5 0h1m1 0h2m6 0h1m3 0h2M2 22.5h1m1 0h3m1 0h1m1 0h13m1 0h1M2 23.5h1m1 0h3m1 0h1m1 0h1m1 0h2m3 0h1m2 0h1m1 0h5M2 24.5h1m1 0h3m1 0h1m1 0h1m1 0h1m2 0h1m7 0h2m1 0h1M2 25.5h1m5 0h1m3 0h2m2 0h1m1 0h2m1 0h3m2 0h1M2 26.5h7m1 0h1m2 0h4m4 0h6\"/></svg>\n"
}