微信小程序生成带参数的小程序码-node

const axios = require("axios")
const fs = require("fs")
const appId = 'appid'
const secret = 'appsecret'

let data = {
　　scene: "参数",
　　page: "小程序页面"
}
picUrl = `./upload/${data.scene}.png`
axios({
  method:'get',
  url:`https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=${appId}&secret=${secret}`
})
  .then((res1)=> {
    if(res1.data){
        if(res1.data.access_token){
            axios.post(`https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=${res1.data.access_token}`,
　　　　　　　data,
　　　　　　　{responseType:'stream'})
            .then((response)=> {
                response.data.pipe(fs.createWriteStream(`goods.png`))
            })
        }
    }
})

.catch((error)=> {
   console.log("err："+error);
});