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qt-studentmanager's Issues

关于登陆的一些问题

我现在也在用VS+QT+MySQL写一个类似的课设,但是关于QT链接MySQL操作不是很明白,想看看你的工程学习,但clone了你的工程之后因为卡在登陆界面导致不能再进一步看,所以想知道怎么删除这个登陆的部分,或是不使用账号登陆。文档中对登陆方面说的不是很清楚

大锅,救救孩子把

我鼓捣了一晚上,还是那个问题,就是显示密码错误,然后控制台打印"QSqlQuery::exec: database not open",
我用的你给的qt和mysql的安装包,然后发现我的mysql里面只有libmysql.dll,没有libmysqld.dll,所以我只把
libmysql.dll放到qt的bin里了(不知道是不是这个原因),然后我把那几个头文件都加进去了,就是加了这些代码
QSqlDatabase data_base = QSqlDatabase::addDatabase("QMYSQL");
data_base.setHostName("126.0.0.1"); //设置主机地址
data_base.setPort(3306); //设置端口
data_base.setDatabaseName("test"); //设置数据库名称
data_base.setUserName("root"); //设置用户名
data_base.setPassword("123"); //设置密码
if(!data_base.open())
qDebug()<<"failed to connect to mysql";
else
qDebug()<<"success";
然后它每次都给我打印“failed to connect to mysql”。。。。。。。。。。。

关于QT如何使用

你好,我是QT界面的新手,请问你的这个工程,是直接用QTcreator打开吗?还是需要跟VS一起使用?我使用QT打开pro文件后,不知道怎么编译运行。

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