微信二维码的生成

wx.request({
url: 'https://api.weixin.qq.com/cgi-bin/token',
header: { 'content-type': 'application/json' },
data: {
grant_type: 'client_credential',
appid:'appid'
secret: '秘钥'
},
success(res) {
accessToken = res.data.access_token
wx.request({
//url: 'https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token='+accessToken,
url: 'https://api.weixin.qq.com/wxa/getwxacode?access_token='+accessToken,
method: 'POST',
responseType: 'arraybuffer',
data: {
"path": '扫码跳转的路径',
"width": 430,
},
success(res) {
console.log(res.data)
let base64 = wx.arrayBufferToBase64(res.data)
console.log(base64)
let codeImg= 'data:image/PNG;base64,' + base64

console.log(codeImg)
_this.sdd = codeImg
},
})
}
})