uni-app吊起微信公众号支付

let data = result.data;是从后端接口中获取的

let data = result.data;
				WeixinJSBridge.invoke('getBrandWCPayRequest', {
					"appId": data.appId, //公众号名称，由商户传入
					"timeStamp": data.timeStamp, //时间戳
					"nonceStr": data.nonceStr, //随机串
					"package": data.package, //扩展包
					"signType": data.signType, //微信签名方式:MD5
					"paySign": data.paySign //微信签名
				}, function(respay) {
					if (respay.err_msg === "get_brand_wcpay_request:ok") {
						that.page = 1;
						that.list = [];
						that.getData();
					} else if (respay.err_msg === "get_brand_wcpay_request:cancel") {
						uni.showToast({
							title: "取消支付",
							icon: "none",
							duration: 2000
						});
						that.isClick = true;
					} else if (respay.err_msg === "get_brand_wcpay_request:fail") {
						uni.showToast({
							title: "支付失败",
							icon: "none",
						 duration: 2000
						})
						that.isClick = true;
					}
				}, function(err) {
					uni.showToast({
						title: res.data.msg,
						icon: "none",
						duration: 2000
					});
				});