可选name: string可选defaultValue: [string, string, string] | (() => undefined | [string, string, string])可选withUndefined: boolean可选readonly: boolean可选description: stringdefaultValue是变量从undefined转化为有值时的默认值,如果为undefined,表示未设置,由UI自行决定默认值!
请不要重写destroy,请使用destroyImp来重写!
https://www.wolai.com/earthsdk/3CCBudoKrPvJGLAk3sCAdT