摘要: 1.判断电脑上是否安装Excel Microsoft.Office.Interop.Excel.Application xlApp = new Microsoft.Office.Interop.Excel.Application(); if (xlApp == null) { MessageBox. 阅读全文
posted @ 2023-09-23 15:22 涵有为 阅读(30) 评论(0) 推荐(0)