#鸿蒙学习大百科#如何删除preference中的某个key对应的value？

import dataPreferences from '@ohos.data.preferences';
@Entry
@Component
struct Index {
  build() {
    Column() {
      Button("delete").onClick(() => {
        let preferences = dataPreferences.getPreferencesSync(getContext(), { name: "myStore" });
        if (preferences.hasSync("name")) {
          //delete key对应的value
          preferences.deleteSync("name")
        }
      })
    }
    .width('100%')
    .height('100%')
    .justifyContent(FlexAlign.Center)
  }
}