微信支付成功订阅进行优化

js_sdk/lili-pay/wx-pay.js

@@ -1,7 +1,18 @@
+/**
+ * 微信小程序支付
+ * 此处针对于微信小程序开发的支付插件
+ * 第一次支付成功后会跳出订阅的消息 如果用户拒绝或同意都会跳转到支付成功页面
+ * 如果点击订阅 会将状态写进缓存 之后不再提醒。
+ * 
+ * @param {sn,price}
+ */
+
 import { initiatePay } from "@/api/trade";
+import { getWeChatMpMessage } from "@/api/message.js";
 class LiLiWXPay {
   constructor(...payList) {
     this.data = payList[0];
+    console.log(payList);
     // 调用支付
     this.pay = () => {
       uni.showLoading({
@@ -32,13 +43,7 @@ class LiLiWXPay {
               icon: "none",
               title: "支付成功!",
             });
-            // 之后成功后跳转到支付成功页面
-            uni.redirectTo({
-              url:
-                "/pages/cart/payment/success?paymentMethod=WECHAT" +
-                "&payPrice=" +
-                this.data.price,
-            });
+            sendMessage(payList[0].price);
           },
           fail: (e) => {
             this.exception = e;
@@ -59,4 +64,53 @@ class LiLiWXPay {
   }
 }
 
+function sendMessage(price) {
+  //判断用户是否已经进行了订阅
+  if (!uni.getStorageSync("acceptSubscribeMessage")) {
+    //订阅消息
+    getWeChatMpMessage().then((res) => {
+      var message = res.data.result;
+      var templateid = message.map((item) => item.code);
+      uni.requestSubscribeMessage({
+        tmplIds: templateid,
+        success: (res) => {
+          for (let key in res) {
+            // 表示用户拒绝订阅该信息
+            if (res[key] == "reject") {
+              this.checked = false;
+            } else {
+              uni.setStorageSync("acceptSubscribeMessage", res);
+            }
+          }
+        },
+        fail: (res) => {
+          uni.removeStorageSync("acceptSubscribeMessage");
+          this.checked = false;
+        },
+        complete: () => {
+          /**
+           * 已经支付成功
+           */
+          uni.redirectTo({
+            url:
+              "/pages/cart/payment/success?paymentMethod=WECHAT" +
+              "&payPrice=" +
+              price,
+          });
+        },
+      });
+    });
+  } else {
+    /**
+     * 已经支付成功
+     */
+    uni.redirectTo({
+      url:
+        "/pages/cart/payment/success?paymentMethod=WECHAT" +
+        "&payPrice=" +
+        price,
+    });
+  }
+}
+
 export default LiLiWXPay;