## object 扩展函数 object 适用于 app\_conf、typed\_array 和 array 等各种对象。 ### 1. object_create > 创建缺省的 object 对象,可以当一个 map 使用。 ---------------------------- #### 原型 ``` object_create() => value ``` #### 示例 ``` a = object_create() ``` ### 2. object_get > 获取对象的属性。 可以通过 value\_is\_valid 来判断返回值是否有效。 ---------------------------- #### 原型 ``` object_get(o, key) => value object_get(o, key, defval) => value ``` 也可以直接访问对象的属性: ``` print(o.key) ``` #### 示例 ``` print(object_get(a, "age")) print(a.age) ``` ### 3. object_set > 设置对象的属性。 ---------------------------- #### 原型 ``` object_set(a, key, value) => bool ``` #### 示例 ``` object_set(a, "age", 123); ``` ### 4. object_remove > 删除对象的属性。 ---------------------------- #### 原型 ``` object_remove(a, key) => bool ``` #### 示例 ``` object_remove(a, "age") ``` ### 完整示例 ```js a = object_create() assert(!value_is_null(a)) assert(object_set(a, "age", 123)) assert(a.age == 123) assert(object_set(a, "name", "awtk")) assert(a.name == "awtk") assert(object_get(a, "age") == 123) print(object_get(a, "age")) assert(object_remove(a, "age")) assert(!value_is_valid(object_get(a, "age"))) unset(a) person = object_create() assert(!value_is_null(person)) assert(object_set(person, "age", 123)) assert(person.age == 123) assert(object_set(person, "name", "awtk")) assert(person.name == "awtk") unset(person) ```