打开授权设置页Button的实现

// OpenSetting.ets
import { FunctionalButton, functionalButtonComponentManager } from '@kit.ScenarioFusionKit';
import { hilog } from '@kit.PerformanceAnalysisKit';

@Entry
@Component
struct Index {
  build() {
    Row() {
      Column() {
        // 声明FunctionalButton
        FunctionalButton({
          params: {
            // OpenType.OPEN_SETTING表示Button为打开授权设置页类型
            openType: functionalButtonComponentManager.OpenType.OPEN_SETTING,
            label: '打开授权设置页',
            // 调整Button样式
            styleOption: {
              styleConfig: new functionalButtonComponentManager.ButtonConfig()
                .fontSize(20)
                .fontColor(Color.Black)
            }
          },
          // OpenType为“OPEN_SETTING”时，回调必须选择“onOpenSetting”
          controller: new functionalButtonComponentManager.FunctionalButtonController().onOpenSetting((err, data) => {
            if (err) {
              // 错误日志处理
              hilog.error(0x0000, "testTag", "error： %{public}d %{public}s", err.code, err.message);
              return;
            }
            // 成功日志处理终止设置应用程序时触发
            hilog.info(0x0000, "testTag", "succeeded in opening setting");
            data.permissions!.forEach((value, key) => {
              hilog.info(0x0000, "testTag", "key: %{public}s value: %{public}s", String(key), value);
            })
          })
        })
      }.width('100%')
    }.height('100%')
  }
}