React Native集成支付宝支付的实现方法

implementation fileTree(dir:"libs",include: ["*.jar","*.aar"])

<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

package com.cgv.alipay;

public class PayModule extends ReactContextBaseJavaModule {
    private final ReactApplicationContext reactContext;
    public PayModule(ReactApplicationContext reactContext) {
        super(reactContext);
        this.reactContext = reactContext;
    }
    @Override
    public String getName() {
        return "PayModule";
    @ReactMethod
    public void setAlipayScheme(String scheme){
    public void setAlipaySandbox(Boolean isSandbox) {
        if (isSandbox) {
            EnvUtils.setEnv(EnvUtils.EnvEnum.SANDBOX);
        } else {
            EnvUtils.setEnv(EnvUtils.EnvEnum.ONLINE);
        }
    public void alipay(final String orderInfo, final Callback promise) {
        Runnable payRunnable = new Runnable() {
            @Override
            public void run() {
                PayTask alipay = new PayTask(getCurrentActivity());
                Map<String, String> result = alipay.payV2(orderInfo, true);
                WritableMap map = Arguments.createMap();
                map.putString("memo", result.get("memo"));
                map.putString("result", result.get("result"));
                map.putString("resultStatus", result.get("resultStatus"));
                promise.invoke(map);
            }
        };
        // 异步调用
        Thread payThread = new Thread(payRunnable);
        payThread.start();
}

package com.cgv.alipay;

public class PayPackage implements ReactPackage {
    @Override
    public List<NativeModule> createNativeModules(ReactApplicationContext reactContext) {
        List<NativeModule> modules = new ArrayList<>();
        modules.add(new PayModule(reactContext));
        return modules;
    }
    
    // @override
    public List<Class<? extends javascriptModule>> createJSModules() {
        return Collections.emptyList();
    public List<ViewManager> createViewManagers(ReactApplicationContext reactContext) {
}

public class MainApplication extends Application implements ReactApplication {
  private final ReactNativeHost mReactNativeHost =
      new ReactNativeHost(this) {
        @Override
        public boolean getUseDeveloperSupport() {
          return BuildConfig.DEBUG;
        }
        protected List<ReactPackage> getPackages() {
          @SuppressWarnings("UnnecessaryLocalVariable")
          List<ReactPackage> packages = new PackageList(this).getPackages();
          // Packages that cannot be autolinked yet can be added manually here, for example:
           packages.add(new PayPackage());
   
          return packages;
        protected String getJSMainModuleName() {
          return "index";
      };
 
    ...//省略其他代码
}

import 
{ 
    NativeModules 
    
} 
from 'react-native';
export default NativeModules.PayModule;

import PayModule from './Alipay';
 
const aliPayAction = async payStr => {
    PayModule.alipay(payStr, res => {
        const { resultStatus } = res;
        const resObj = {
            '6001': '支付取消',
            '6002': '网络连接出错',
            '4000': '支付失败',
            '5000': '重复请求'
        };
        if (resultStatus === '9000') {
            // 支付成功处理
            ....
        } else {
            // 支付失败处理
            .......
        }
    });
};