[仅供测试]重写navigateTo方法，解决微信小程序中超过10个页面栈时会出现的bug

pages/cart/payment/payOrder.vue

@@ -120,7 +120,7 @@
 			 * 支付成功后跳转
 			 */
 			callback(paymentMethod){
-				uni.navigateTo({
+				this.$navigateTo({
 					url: "/pages/cart/payment/success?paymentMethod=" +
 					paymentMethod +
 					"&payPrice=" +
@@ -138,7 +138,7 @@
 				if (this.routerVal.recharge_sn) {
 					// 判断当前是否是充值
 					this.sn = this.routerVal.recharge_sn;
-					this.orderType = "RECHARGE";
+					this.orderType = "RECHARGE";
 					
 				} else if (this.routerVal.trade_sn) {
 					this.sn = this.routerVal.trade_sn;
@@ -178,12 +178,12 @@
 					
 						this.payList = res.data.result.support.filter((item) => {
 							return item != "ALIPAY";
-						});
-						// 充值的话仅保留微信支付
-						if(this.orderType == "RECHARGE"){
-							this.payList = res.data.result.support.filter((item) => {
-								return item == "WECHAT";
-							});
+						});
+						// 充值的话仅保留微信支付
+						if(this.orderType == "RECHARGE"){
+							this.payList = res.data.result.support.filter((item) => {
+								return item == "WECHAT";
+							});
 						}
 						
 					}