Native与TS互传自定义obj class

class defClass{ 
  public name:string = ''; 
  public age:number = 0; 
} 
  
let testObj = new defClass(); 
testObj.name = 'harmony OS'; 
testObj.age = 2024; 
let receivedObj = testNapi.sendClassToC(testObj) as defClass;   // 传递自定义class 对象给C，接受C返回的js 对象 
hilog.info(0x0000, 'testTag', 'received obj from C, name %{public}s, age %{public}d', receivedObj.name, receivedObj.age);

// 自定义class 
class cObjTest { 
public: 
    napi_value name; 
    napi_value age; 
}; 
  
static napi_value SendClassToC(napi_env env, napi_callback_info info) { 
    // 获取参数信息 
    size_t argc = 1; 
    napi_value args[]{}; 
    napi_get_cb_info(env, info, &argc, args, nullptr, nullptr); 
  
    // 校验ts 侧传递的参数类型 
    napi_status status{}; 
    napi_valuetype valueType{}; 
    status = napi_typeof(env, args[0], &valueType); 
    if ((status != napi_ok) || (valueType != napi_object)) { 
        OH_LOG_INFO(LOG_APP, "C++ received invalid para: valuetype %{public}d", valueType); 
        return nullptr; 
    } 
  
    // new 出来的obj 需要释放 
    cObjTest *obj = new cObjTest(); 
  
    // 获取obj 对象指定字段的值：方式一 
    std::string nameStr = "name"; 
    napi_value napiNameStr{}; 
    napi_create_string_utf8(env, nameStr.c_str(), nameStr.length(), &napiNameStr); 
    status = napi_get_property(env, args[0], napiNameStr, &obj->name); 
    if (status != napi_ok) { 
        OH_LOG_INFO(LOG_APP, "C++ read name result:  %{public}d", status); 
        return nullptr; 
    } 
  
    // 获取obj 对象指定字段的值：方式二 
    status = napi_get_named_property(env, args[0], "age", &obj->age); 
    OH_LOG_INFO(LOG_APP, "C++ get age, %{public}d  %{public}f", status, obj->age); 
  
    // 创建ts对象并赋值 
    napi_value targetObj; 
    napi_create_object(env, &targetObj); 
    napi_set_named_property(env, targetObj, "name", obj->name); 
    napi_value changedAge; 
    napi_create_double(env, 2025, &changedAge); 
    napi_set_named_property(env, targetObj, "age", changedAge); 
  
    // 删除new 出来的内存 
    delete obj; 
    obj = nullptr; 
  
    return targetObj; 
}