QT 5.9.1 编译mysql 驱动

改写项目文件如下：

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

win32: LIBS += -LD:/mysql-5.7.19-win32/lib/ -llibmysql

INCLUDEPATH += D:/mysql-5.7.19-win32/include

DEPENDPATH += D:/mysql-5.7.19-win32/include

include(../qsqldriverbase.pri)a

下载mysql源码 5.7.19

https://downloads.mysql.com/archives/community/

拷贝D:\mysql-5.7.19-win32\lib

路径下面libmysql.dll libmysqld.dll 到程序当前目录下面，或者c:\WINDOWS下面

这样就可以运行