/** * exportExcel 对象 * 调用 getInstance() 获取实例 * * @class exportExcel */ export class exportExcel { /** * 获取 exportExcel 单例对象 * * @static * @returns {exportExcel} * @memberof exportExcel */ public static getInstance(): exportExcel { if (!exportExcel.exportExcel) { exportExcel.exportExcel = new exportExcel(); } return this.exportExcel; } /** * 单例变量声明 * * @private * @static * @type {exportExcel} * @memberof exportExcel */ private static exportExcel: exportExcel; /** * 获取导出excel核心包 * * @memberof exportExcel */ public async exportExcel(){ let excel:any = await import("@/utils/export2Excel/Export2Excel"); return excel; } }