将C++层分配的对象在ArkTS层管理，ArkTS层通过接口访问C++层对象业务

napi_create_bigint_int64
napi_get_value_bigint_int64
napi_get_cb_info

static napi_value DefineObject(napi_env env, napi_callback_info info) {   
    OH_LOG_INFO(LOG_APP, "enter DefineObject");   
       
    napi_value result;   
    auto a = new TestClass();   
    int64_t addrValue = (int64_t)a;   
    napi_create_bigint_int64(env, addrValue, &result);   
   
    OH_LOG_INFO(LOG_APP, "end DefineObject, addrValue:%{public}ld", addrValue);   
   
    return result;   
}

static napi_value CallObject(napi_env env, napi_callback_info info) {   
    OH_LOG_INFO(LOG_APP, "enter CallObject");   
    size_t requireArgc = 2;   
    size_t argc = 1;   
    napi_value args[1] = {nullptr};   
   
    napi_get_cb_info(env, info, &argc, args, nullptr, nullptr);   
   
    int64_t addrValue = 0;   
    bool flag = false;   
    napi_get_value_bigint_int64(env, args[0], &addrValue, &flag);   
   
    TestClass *a = (TestClass *)addrValue;   
   
    OH_LOG_INFO(LOG_APP, "CallObject, addrValue:%{public}ld", addrValue);   
   
    OH_LOG_INFO(LOG_APP, "CallObject, value:%{public}d", a->GetValue());   
    a->SetValue(888);   
   
    return nullptr;   
}