添加打开小程序的功能

README.md

@@ -314,6 +314,16 @@ wechat.getWXAppInstallUrl()
 wechat.openWXApp()
 ```
 
+#### launchMiniProgram 打开小程序(安卓需要先注册 api 才可以调用)
+
+```javascript
+wechat.launchMiniProgram({
+  username: 'you username', // 原始 id，微信开放平台注册小程序处获取
+  path: '/path1/path2', // 小程序路由地址
+  type: 'test' // 小程序类型 optional('release')
+})
+```
+
 #### sendAuthRequest OAuth2 微信登录
 
 ```javascript

android/src/main/java/com/rnlib/wechat/RNWechatModule.java

@@ -17,6 +17,7 @@ import com.rnlib.wechat.helper.SendMessageToWXHelper;
 import com.rnlib.wechat.helper.WXMediaMessageHelper;
 import com.tencent.mm.opensdk.modelbase.BaseReq;
 import com.tencent.mm.opensdk.modelbase.BaseResp;
+import com.tencent.mm.opensdk.modelbiz.WXLaunchMiniProgram;
 import com.tencent.mm.opensdk.modelmsg.SendAuth;
 import com.tencent.mm.opensdk.modelmsg.SendMessageToWX;
 import com.tencent.mm.opensdk.modelmsg.WXImageObject;
@@ -133,6 +134,24 @@ public class RNWechatModule extends ReactContextBaseJavaModule {
         promise.resolve(api.openWXApp());
     }
 
+    /**
+     * 打开小程序
+     */
+    @ReactMethod
+    public void launchMiniProgram(
+            String userName,
+            String path,
+            Integer miniprogramType,
+            Promise promise) {
+
+        final WXLaunchMiniProgram.Req req = new WXLaunchMiniProgram.Req();
+        req.userName = userName;
+        req.path = path;
+        req.miniprogramType = miniprogramType;
+
+        promise.resolve(api.sendReq(req));
+    }
+
     /**
      * OAuth2
      */
@@ -346,6 +365,11 @@ public class RNWechatModule extends ReactContextBaseJavaModule {
                 if (baseResp instanceof SendMessageToWX.Resp) {
                     // 分享
                     body.putString("eventType", "SendMessageToWXResp");
+                } else if (baseResp instanceof WXLaunchMiniProgram.Resp) {
+                    // 打开小程序
+                    WXLaunchMiniProgram.Resp resp = (WXLaunchMiniProgram.Resp) baseResp;
+                    body.putString("eventType", "WXLaunchMiniProgramResp");
+                    body.putString("extMsg", resp.extMsg);
                 } else if (baseResp instanceof SendAuth.Resp) {
                     // OAuth2
                     SendAuth.Resp resp = (SendAuth.Resp) baseResp;

ios/Handler/WXApiRequestHandler.h

@@ -5,6 +5,10 @@
 + (BOOL)sendAuthRequestScope:(NSString *)scope
                        State:(NSString *)state;
 
++ (BOOL)launchMiniProgramWithUserName:(NSString *)anUserName
+                             path:(NSString *)aPath
+                  miniProgramType:(WXMiniProgramType)aMiniProgramType;
+
 + (BOOL)sendText:(NSString *)text
          InScene:(enum WXScene)scene;
 

ios/Handler/WXApiRequestHandler.m

@@ -17,6 +17,19 @@
     return [WXApi sendReq:req];
 }
 
+#pragma Other
++ (BOOL)launchMiniProgramWithUserName:(NSString *)anUserName
+                                 path:(NSString *)aPath
+                      miniProgramType:(WXMiniProgramType)aMiniProgramType
+{
+    WXLaunchMiniProgramReq *req = [WXLaunchMiniProgramReq object];
+    req.userName = anUserName;
+    req.path = aPath;
+    req.miniProgramType = aMiniProgramType;
+
+    return [WXApi sendReq:req];
+}
+
 #pragma Share
 + (BOOL)sendText:(NSString *)text
          InScene:(enum WXScene)scene

ios/RNWechat.m

@@ -118,6 +118,18 @@ RCT_REMAP_METHOD(openWXApp,
     resolve([self getResolveResFromBool:[WXApi openWXApp]]);
 }
 
+RCT_REMAP_METHOD(launchMiniProgram,
+    launchMiniProgramWithUserName:(NSString *)anUserName
+                             path:(NSString *)aPath
+                  miniProgramType:(NSInteger *)aMiniProgramType
+                         resolver:(RCTPromiseResolveBlock)resolve
+                         rejecter:(RCTPromiseRejectBlock)reject)
+{
+    resolve([self getResolveResFromBool:[WXApiRequestHandler launchMiniProgramWithUserName:anUserName
+                                                                                      path:aPath
+                                                                            miniProgramType:(WXMiniProgramType)aMiniProgramType]]);
+}
+
 
 #pragma OAuth2
 
@@ -272,6 +284,11 @@ RCT_REMAP_METHOD(pay,
         ASSIGN_EMPTY_STRING(body[@"state"], authResp.state)
         ASSIGN_EMPTY_STRING(body[@"lang"], authResp.lang)
         ASSIGN_EMPTY_STRING(body[@"country"], authResp.country)
+    } else if ([resp isKindOfClass:[WXLaunchMiniProgramResp class]]) {
+        // 启动小程序
+        WXLaunchMiniProgramResp *miniProgramResp = (WXLaunchMiniProgramResp *)resp;
+        body[@"eventType"] = @"WXLaunchMiniProgramResp";
+        ASSIGN_EMPTY_STRING(body[@"extMsg"], miniProgramResp.extMsg);
     } else if ([resp isKindOfClass:[SendMessageToWXResp class]]) {
         // 发送文字、图片、音乐、视频、链接、小程序
         SendMessageToWXResp *messageResp = (SendMessageToWXResp *)resp;

src/const.js

@@ -56,6 +56,7 @@ export const WXMiniProgramTypes = {
  */
 export const WXRespType = {
   Auth: 'SendAuthResp',
+  LaunchMiniProgram: 'WXLaunchMiniProgramResp',
   Message: 'SendMessageToWXResp',
   Pay: 'PayResp'
 }

src/index.js

@@ -40,6 +40,27 @@ export const openWXApp = async () => {
   return RNWechat.openWXApp()
 }
 
+/**
+ * 打开小程序
+ * @param  {String}                         username          小程序原始 id
+ * @param  {String}                         path              小程序页面路径
+ * @param  {'test' | 'preview' | 'release'} [type='release'}] 小程序类型
+ * @return {Boolean}
+ */
+export const launchMiniProgram = async ({
+  username,
+  path,
+  type = 'release'
+}) => {
+  if (Platform.OS === 'android') {
+    await checkWechatModuleIsEnable()
+  }
+  if (
+    !await RNWechat.launchMiniProgram(username, path, getWXMiniProgramType(type))
+  ) throw new WechatError(Errors.RequestFailed)
+  return listenAndHandleWechatResponse(WXRespType.LaunchMiniProgram)
+}
+
 /**
  * 授权
  * @desc 只有 snsapi_userinfo scope 有效