#鸿蒙通关秘籍#TextInput取消默认聚焦如何实现？

@Entry 
@Component 
struct Index { 
    controller: TextInputController = new TextInputController() 
    build() { 
        Row() { 
            TextInput({ 
                placeholder: ...', 
                text: '', 
                controller: this.`controller` 
            }) 
            Button('placeholder') 
            .defaultFocus(true) 
        } 
    } 
}