增加APP拉起客服微信对应文档 (#713)

增加APP拉起客服微信对应文档，及示例代码

Author: NicofnCHINA

README.md

@@ -32,6 +32,7 @@
 - Subscribe Message.
 - Just open WeChat app.
 - Launch app From wechat link.
+- Open Customer Service
 
 ## Preparation
 
@@ -125,6 +126,7 @@ It' better to register your API as early as possible.
 - [Payment](./doc/PAYMENT.md)
 - [Auth](./doc/AUTH.md)
 - [Launch app from h5](./doc/LAUNCH_APP_FROM_H5.md)
+- [Open Customer Service](/doc/Customer_Service.md)
 
 For more capabilities, you can read the public functions of `fluwx`.
 

README_CN.md

@@ -30,6 +30,7 @@
 - 订阅消息.
 - 打开微信.
 - 从微信标签打开应用
+- APP拉起客服微信
 
 ## 准备
 
@@ -122,6 +123,7 @@ fluwx.registerApi(appId: "wxd930ea5d5a228f5f",universalLink: "https://your.unive
 - [支付](./doc/PAYMENT_CN.md)
 - [登录](./doc/AUTH_CN.md)
 - [从微信标签打开应用](./doc/LAUNCH_APP_FROM_H5_CN.md)
+- [APP拉起客服微信](/doc/Customer_Service_CN.md)
 对于更多功能，可以查看源码。
 
 ## QA

doc/Customer_Service.md

@@ -0,0 +1,27 @@
+# Open Customer Service
+
+
+```
+ static Fluwx _fluwx = Fluwx();
+  static Future<void> openCustomerServiceChat() async {
+    bool isInstall = await _fluwx.isWeChatInstalled;
+    if (!isInstall) {
+      if (Platform.isIOS) {
+        jumpToAppStore();
+      } else {
+        EasyLoading.showToast("UnInstall");
+      }
+      return;
+    }
+    CustomerServiceChat chat = CustomerServiceChat(
+        corpId: "wwdxxxxxx", 
+        url: "https://work.weixin.qq.com/kfid/kfcxxxxxx");
+    _fluwx.open(target: chat);
+  }
+jumpToAppStore() async {
+  final uri = Uri.parse('https://apps.apple.com/app/id414478124');
+  if (await canLaunchUrl(uri)) {
+    await launchUrl(uri);
+  }
+}
+```

doc/Customer_Service_CN.md

@@ -0,0 +1,28 @@
+
+# 打开客服微信
+
+
+```
+ static Fluwx _fluwx = Fluwx();
+  static Future<void> openCustomerServiceChat() async {
+    bool isInstall = await _fluwx.isWeChatInstalled;
+    if (!isInstall) {
+      if (Platform.isIOS) {
+        jumpToAppStore();
+      } else {
+        EasyLoading.showToast("UnInstall");
+      }
+      return;
+    }
+    CustomerServiceChat chat = CustomerServiceChat(
+        corpId: "wwdxxxxxx", 
+        url: "https://work.weixin.qq.com/kfid/kfcxxxxxx");
+    _fluwx.open(target: chat);
+  }
+jumpToAppStore() async {
+  final uri = Uri.parse('https://apps.apple.com/app/id414478124');
+  if (await canLaunchUrl(uri)) {
+    await launchUrl(uri);
+  }
+}
+```