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头文件: 主程序中代码 Navicat创建的连接 输出状态: 新手学数据连接卡壳了,请教一下大佬们
问题已经解决,是个基础错误,我没有将数据库文件放入Debug的项目文件夹中导致查找的数据库数据为空,将数据库放入后正常。