ArkTS和Native互传数组类型数据

static napi_value Test(napi_env env, napi_callback_info info) { 
    size_t argc = 1; 
    napi_value args[1] = {nullptr}; 
  
    napi_get_cb_info(env, info, &argc, args , nullptr, nullptr); 
     
    bool isArray = false; 
    napi_is_array(env, args[0], &isArray); 
     
    uint32_t length = 0; 
    // 获取数组的长度 
    napi_get_array_length(env, args[0], &length); 
    OH_LOG_Print(LOG_APP, LOG_WARN, LOG_DOMAIN, "testTag", "args array length = %{public}d", length); 
  
    napi_value ret; 
    napi_create_array(env, &ret); 
    int param = 0; 
    for (int i = 0; i < length; i++) { 
        napi_value value; 
        napi_get_element(env, args[0], i, &value); 
        napi_get_value_int32(env, value, ¶m); 
        OH_LOG_Print(LOG_APP, LOG_WARN, LOG_DOMAIN, "testTag", "index = %{public}d, param = %{public}d", i, param); 
        napi_value sum; 
        napi_create_int32(env, param + param, &sum); 
        napi_set_element(env, ret, i, sum); 
    } 
     
    return ret; 
} 
  
static napi_value Init(napi_env env, napi_value exports) 
{ 
    napi_property_descriptor desc[] = { 
        {"test", nullptr, Test, nullptr, nullptr, nullptr, napi_default, nullptr}}; 
    napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc); 
    return exports; 
}

export const test: (a: number[]) => Array<number>;

hilog.info(0x0000, 'testTag', 'Test NAPI 2 + 3 = %{public}d', testNapi.test([1,2,3,4]));