const wpsInstance = {
    app: wps.EtApplication().Application,

    // 获取全部 sheet 页
    getSheets: () => {
        const activeWorkbook = wpsInstance.app.ActiveWorkbook;
        for (let i = 1; i <= activeWorkbook.Worksheets.Count; i++) {
            alert(activeWorkbook.Worksheets.Item(i).Name)
        }
    }
}

return wpsInstance;