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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                ## ControlValueAccessor 控件和原始元素連接的橋梁。 A `ControlValueAccessor` abstracts the operations of writing a new value to a DOM element representing an input control. ### 接口 ```typescript interface ControlValueAccessor { writeValue(obj: any) : void registerOnChange(fn: any) : void registerOnTouched(fn: any) : void setDisabledState(isDisabled: boolean) : void } ``` ### 屬性 - writeValue(obj: `any`) : `void` 寫入一個新值到元素 - registerOnChange(fn: `any`) : `void` 當控件接收到一個值改變事件時調用的函數。 - registerOnTouched(fn: `any`) : `void` 當控件接收到一個 `tourch` 事件時調用的函數。 - setDisabledSstate(isDisabled: `boolean`) : `void` 當控件的狀態變為`DISABLED`或者從`DISABLED`變為其它狀態時調用此函數。根據傳入值的不同,它可以禁用/啟用一個DOM元素。
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