生成二维码

用到的js：

jquery，

jquery.qrcode.min.js

<!-- 二维码根节点 -->

            <div style="display: none;">

                <div id="canvasCode"></div>

            </div>

调用

mounted() {

               this.getQRCanvasCode()

            },

 

//生成分享二维码

                getQRCanvasCode() {

                    const qr = 'http://h5.tuku628.com/sq/helper/helper'

                    const qrcode = $("#canvasCode")

                    .qrcode({

                        render: "canvas", //也可以替换为table

                        width: 120,

                        height: 120,

                        text: qr,

                        /*可以通过ajax请求动态设置*/

                    })

                    console.log(qrcode[0])

                    let qrcode_canvas = qrcode.find("canvas").get(0);

                    console.log(qrcode_canvas)

                    this.qrcodeImg = qrcode_canvas.toDataURL("image/jpg") //二维码base64图片

                },