QT学生选课与成绩管理系统，含有学生、教师、管理员三个模块

视频演示请移步哔哩哔哩440757580。实现了学生查询成绩、选课，教师增删改成绩、管理员增删改学生教师课程等功能，设有登录界面等，交互性高，能给用户带来较好的体验。

/****************************************************************************
** meta object code from reading C++ file ‘addcourse.h‘
**
** Created by: The Qt meta object Compiler version 67 （Qt 5.12.2）
**
** WARNING! All changes made in this file will be lost!
*****************************************************************************/

#include “../../../QtProject1/StudentMannager/addcourse.h“
#include 
#include tatype.h>
#if !defined（Q_MOC_OUTPUT_REVISION）
#error “The header file ‘addcourse.h‘ doesn‘t include ject>.“
#elif Q_MOC_OUTPUT_REVISION != 67
#error “This file was generated using the moc from 5.12.2. It“
#error “cannot be used with the include files from this version of Qt.“
#error “（The moc has changed too much.）“
#endif

QT_BEGIN_MOC_NAMESPACE
QT_WARNING_PUSH
QT_WARNING_DISABLE_DEPRECATED
struct qt_meta_stringdata_addcourse_t {
    QByteArrayData data[4];
    char stringdata0[69];
};
#define QT_MOC_LITERAL（idx ofs len） \
    Q_STATIC_BYTE_ARRAY_DATA_HEADER_INITIALIZER_WITH_OFFSET（len \
    qptrdiff（offsetof（qt_meta_stringdata_addcourse_t stringdata0） + ofs \
        - idx * sizeof（QByteArrayData）） \
    ）
static const qt_meta_stringdata_addcourse_t qt_meta_stringdata_addcourse = {
    {
QT_MOC_LITERAL（0 0 9） // “addcourse“
QT_MOC_LITERAL（1 10 25） // “on_btn_sys_addcou_clicked“
QT_MOC_LITERAL（2 36 0） // ““
QT_MOC_LITERAL（3 37 31） // “on_btn_sys_addcoucancel_clicked“

    }
    “addcourse\0on_btn_sys_addcou_clicked\0“
    “\0on_btn_sys_addcoucancel_clicked“
};
#undef QT_MOC_LITERAL

static const uint qt_meta_data_addcourse[] = {

 // content:
       8       // revision
       0       // classname
       0    0 // classinfo
       2   14 // methods
       0    0 // properties
       0    0 // enums/sets
       0    0 // constructors
       0       // flags
       0       // signalCount

 // slots: name argc parameters tag flags
       1    0   24    2 0x08 /* Private */
       3    0   25    2 0x08 /* Private */

 // slots: parameters
    QmetaType::Void
    QmetaType::Void

       0        // eod
};

void addcourse::qt_static_metacall（Qobject *_o Qmetaobject::Call _c int _id void **_a）
{
    if （_c == Qmetaobject::InvokemetaMethod） {
        auto *_t = static_cast（_o）;
        Q_UNUSED（_t）
        switch （_id） {
        case 0: _t->on_btn_sys_addcou_clicked（）; break;
        case 1: _t->on_btn_sys_addcoucancel_clicked（）; break;
        default: ;
        }
    }
    Q_UNUSED（_a）;
}

QT_INIT_metaobject const Qmetaobject addcourse::staticmetaobject = { {
    &QDialog::staticmetaobject
    qt_meta_stringdata_addcourse.data
    qt_meta_data_addcourse
    qt_static_metacall
    nullptr
    nullptr
} };


const Qmetaobject *addcourse::metaobject（） const
{
    return Qobject::d_ptr->metaobject ? Qobject::d_ptr->dynamicmetaobject（） : &staticmetaObj

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2020-06-01 16:43  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\
     文件        1025  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\.qmake.stash
     目录           0  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\
     文件      563304  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\addcourse.o
     文件      564347  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\addstu.o
     文件      558234  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\addtea.o
     文件      574750  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\changedata.o
     文件      527530  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\main.o
     文件      539063  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\mainwindow.o
     文件        3783  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\moc_addcourse.cpp
     文件      437387  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\moc_addcourse.o
     文件        3728  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\moc_addstu.cpp
     文件      437251  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\moc_addstu.o
     文件        3725  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\moc_addtea.cpp
     文件      437250  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\moc_addtea.o
     文件        4272  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\moc_changedata.cpp
     文件      438103  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\moc_changedata.o
     文件        3773  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\moc_mainwindow.cpp
     文件      437519  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\moc_mainwindow.o
     文件       14088  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\moc_predefs.h
     文件        4454  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\moc_stu_course.cpp
     文件      428508  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\moc_stu_course.o
     文件        4136  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\moc_student.cpp
     文件      437754  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\moc_student.o
     文件        3674  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\moc_sysdel.cpp
     文件      449649  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\moc_sysdel.o
     文件        4509  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\moc_system.cpp
     文件      438064  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\moc_system.o
     文件        3844  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\moc_tea_addscore.cpp
     文件      437579  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\moc_tea_addscore.o
     文件        3980  2020-05-24 19:08  build-StudentMannger-Desktop_Qt_5_12_2_MinGW_32_bit-Debug\debug\moc_tea_querystu.cpp
............此处省略79个文件信息