#2020征文-手机#浅谈JS与Java在手机APP中的混合开发方式 原创 精华

"reqPermissions": [  {  "name": "ohos.permission.LOCATION"  }],
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aa:async function (){
               var actionData = {};
               actionData.longitude = this.longitude;
               actionData.latitude = this.latitude;
                var action = {};
                action.data = actionData;
                action.bundleName = 'com.example.shundaschool';
                action.abilityName = 'com.example.shundaschool.LocationAbility';
                action.messageCode = 666;
                action.abilityType = 1;
                action.syncOption = 1;
                var result = await FeatureAbility.callAbility(action);
                var ret = JSON.parse(result);
                console.info("00000" + ret);
                console.info("0022" + JSON.stringify(ret.abilityResult));
                this.$set("address",JSON.stringify(ret.abilityResult))
    },
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... ...

private static final String BUNDLE_NAME = "com.example.shundaschool";
private static final String ABILITY_NAME = "com.example.shundaschool.LocationAbility";

... ...

public LocationAbility() {
    super(BUNDLE_NAME, ABILITY_NAME);
}

    public boolean onRemoteRequest(int code, MessageParcel data, MessageParcel reply, MessageOption option) {
        switch (code) {
                case location: {
                String zsonStr = data.readString();
                RequestParamsss param = ZSONObject.stringToClass(zsonStr, RequestParamsss.class);
                System.out.println("我是param经度："+param.getLatitude());
                System.out.println("我是param纬度："+param.getLongitude());
                // 返回结果当前仅支持String，对于复杂结构可以序列化为ZSON字符串上报
                GeoConvert geoConvert = new GeoConvert();
                try{
                    List<GeoAddress> address = geoConvert.getAddressFromLocation(param.getLatitude(), param.getLongitude(), 1);
//                    System.out.println(address);
//                    System.out.println(address.get(0).getDescriptions(0));
                    Map<String, Object> zsonResult = new HashMap<String, Object>();
                    zsonResult.put("code", SUCCESS);
                System.out.println("我是param:" +  param);
                    zsonResult.put("abilityResult",  address.get(0).getDescriptions(0));
                    if (option.getFlags() == MessageOption.TF_SYNC) {
                        reply.writeString(ZSONObject.toZSONString(zsonResult));
                    } else {
                        // ASYNC
                        MessageParcel reponseData = MessageParcel.obtain();
                        reponseData.writeString(ZSONObject.toZSONString(zsonResult));
                        IRemoteObject remoteReply = reply.readRemoteObject();
                        try {
                            remoteReply.sendRequest(0, reponseData, MessageParcel.obtain(), new MessageOption());
                            reponseData.reclaim();
                        } catch (RemoteException exception) {
                            return false;
                        }
                    }
                }catch (IOException e){
                    System.out.println("获取位置信息异常");
                }
                break;
            }
            default:{
                reply.writeString("service not defined");
               
            }
        }
        return true;
    }  
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