一、包含头文件
#include <QtCore>
#include <QSettings>
二、对ini文件写入数据
QSettings *config = new QSettings("D:\\code\\date1_Qt\\build-students-Desktop_Qt_5_14_2_MinGW_64_bit-Debug\\debug config.ini",QSettings::IniFormat);
qDebug()<<QCoreApplication::applicationDirPath();
config->setIniCodec("UTF-8");
config->setValue("类名/键名","键值");
config->setValue("students/id","01");
config->setValue("students/name","张三");
config->setValue("students/sex","man");
config->setValue("students/age","18");
config->setValue("students/score","88");
config->setValue("students/ip","广西");
三、写入的结果
四、读取ini文件
QSettings *config2 = new QSettings("D:\code\date1_Qt\build-students-Desktop_Qt_5_14_2_MinGW_64_bit-Debug\debug config.ini",QSettings::IniFormat);
config2->value("students/id");
config2->value("students/name");
config2->value("students/sex");
config2->value("students/age");
config2->value("students/score");
config2->value("students/ip");
qDebug()
<<config2->value("students/id")<<endl
<<config2->value("students/name")<<endl
<<config2->value("students/sex")<<endl
<<config2->value("students/age")<<endl
<<config2->value("students/score")<<endl
<<config2->value("students/ip");
五、打开ini文件,在ini文件写入一些数据
六、打印所有读取的数据