首先声明一个数组
let goodsIdlist=[]
然后我们需要通过jQuery在js页面进行遍历并添加进去
shoplist.map(element=>{
goodsIdlist.push(element.goodsId)
})
this.setData({
goodsIdlist:goodsIdlist
})
然后通过join分割
console.log(goodsIdlist.join(","))
然后就可以拿到字符串的商品id