实现页面全屏功能鸿蒙示例代码

let windowClass = AppStorage.get("mainWindow") as window.Window
          // 1. 设置窗口全屏
          windowClass.setWindowLayoutFullScreen(true)
            .then(() => {
              hilog.info(0x0000,'test','Succeeded in setting the window layout to full-screen mode.');
            })
            .catch((err: BusinessError) => {
              hilog.error(0x0000,'test','Failed to set the window layout to full-screen mode. Cause:' + JSON.stringify(err));
            });
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 let windowClass = AppStorage.get("mainWindow") as window.Window
          // 1. 关闭窗口全屏
          windowClass.setWindowLayoutFullScreen(false)
            .then(() => {
              hilog.info(0x0000,'test','Succeeded in setting the window layout to full-screen mode.');
            })
            .catch((err: BusinessError) => {
              hilog.error(0x0000,'test','Failed to set the window layout to full-screen mode. Cause:' + JSON.stringify(err));
            });
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