Windows Qt 5.12.10 MySQL驱动

1、到 C:\Qt\Qt5.12.10\5.12.10\Src\qtbase\src\plugins\sqldrivers\mysql目录下，用Qt打开mysql.pro项目管理文件

修改mysql.pro：

TARGET = qsqlmysql

HEADERS += $$PWD/qsql_mysql_p.h
SOURCES += $$PWD/qsql_mysql.cpp $$PWD/main.cpp

#QMAKE_USE += mysql

OTHER_FILES += mysql.json

PLUGIN_CLASS_NAME = QMYSQLDriverPlugin
include(../qsqldriverbase.pri)

INCLUDEPATH += "C:\Program Files\MySQL\MySQL Server 8.0\include"
DEPENDPATH += "C:\Program Files\MySQL\MySQL Server 8.0\include"
LIBS += "C:\Program Files\MySQL\MySQL Server 8.0\lib\libmysql.lib"

修改qsqldriverbase.pri：

QT  = core core-private sql-private

# For QMAKE_USE in the parent projects.
#include($$shadowed($$PWD)/qtsqldrivers-config.pri)
include(./configure.pri)

PLUGIN_TYPE = sqldrivers
load(qt_plugin)

DEFINES += QT_NO_CAST_TO_ASCII QT_NO_CAST_FROM_ASCII

2、Build，在根目录的plugins文件夹下生成驱动

将生成的文件放入C:\Qt\Qt5.12.10\5.12.10\mingw73_64\plugins\sqldrivers目录下

3、将C:\Program Files\MySQL\MySQL Server 8.0\bin库文件放入C:\Qt\Qt5.12.10\5.12.10\mingw73_64\bin文件夹中

4、将C:\Program Files\MySQL\MySQL Server 8.0\lib库文件放入C:\Qt\Qt5.12.10\5.12.10\mingw73_64\bin文件夹中