doWxPay(param, orderId) {
	uni.showLoading({
		title: '正在请求支付'
	});
  	let base = param
  
        let url = encodeURIComponent(config.webUrl + '/#/pages/cart/switchOrder/index?message=支付成功&orderId=' + orderId)
  	location.href = base.mweb_url + `&redirect_url=${url}`
}