js map转对象（以key value的形式传参）

const map =newMap()

map.set('1','basketball')

map.set('2','soccer')

map.set('3','baseball')

map.set('4','tennis')

const obj = Array.from(你的Map).reduce((obj, key, value) =>

Object.assign(obj, { key: value} )

, {})

obj就是js对象了

以key value的形式传参

let cardId = this.cardId;

var shopGoodsData = new Map();

shopGoodsData.set(cardId, 1);

const obj = Array.from(shopGoodsData).reduce((obj, [key, value]) =>
Object.assign(obj, { [key]: value} )
, {})

let params = {
	shopGoodsData: JSON.stringify(obj), //样式	shopGoodsData: "x" :1
	payMode: 'xs_wx_pay_app',
	type: 2, 
	remark: '',
	isShop: false,
	userId: this.userId
};
shopGoods(params).then(res => {}