Qt <----> C++课程综合实践设计学生信息管理系统。.zip

#include "homewindow.h" #include "ui_homewindow.h" #include "readmsgfromfilewd.h" #include <QList> #include <QDialog> #include <iostream> #include "student.h" #include "displaystumsg.h" #include "inputstumsg.h" #include "seachstubyid.h" #include "insetstu.h" #include "modifystumsg.h" #include "byebye.h" class Student; QList<Student> lst; // 此处的lst放在student.h文件中就会报错 homeWindow::homeWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::homeWindow) { ui->setupUi(this); connect(ui->readByfileBtn, SIGNAL(clicked(bool)), this, SLOT(readStuMsgFormFile())); connect(ui->outputStudentMsgBtn, SIGNAL(clicked(bool)), this, SLOT(disStuMsg())); connect(ui->inputStudentMsgBtn, SIGNAL(clicked(bool)), this, SLOT(inpStuMsg())); connect(ui->sortBtn, SIGNAL(clicked(bool)), this, SLOT(sortStuAve())); connect(ui->findMsgWithStudentNumBtn, SIGNAL(clicked(bool)), this, SLOT(search())); connect(ui->insertStudentMsgBtn, SIGNAL(clicked(bool)), this, SLOT(insert())); connect(ui->modifyStudentMsgBtn, SIGNAL(clicked(bool)), this, SLOT(modify())); connect(ui->writeAllRecordToFileBtn, SIGNAL(clicked(bool)), this, SLOT(write())); connect(ui->exitBtn, SIGNAL(clicked(bool)), this, SLOT(byeBye())); } homeWindow::~homeWindow() { delete ui; } void homeWindow::readStuMsgFormFile() { readMsgFromFileWD* readWD = new readMsgFromFileWD; readWD->setWindowTitle("读取数据"); readWD->show(); readWD->readMsgFromFile(); } void homeWindow::disStuMsg() { displayStuMsg *dis = new displayStuMsg; dis->setWindowTitle("显示学生信息"); dis->show(); dis->dispStuMsg(); } void homeWindow::inpStuMsg() { inputStuMsg *inp = new inputStuMsg; inp->setWindowTitle("输入学生信息"); inp->show(); } void homeWindow::sortStuAve() { displayStuMsg *dis = new displayStuMsg; dis->setWindowTitle("按降序对学生平均分进行排序"); dis->show(); dis->sortWithStuAve(); } void homeWindow::search() { seachStuById *sea = new seachStuById; sea->setWindowTitle("根据学号查找学生信息"); sea->show(); } void homeWindow::insert() { insetStu *ins = new insetStu; ins->setWindowTitle("插入学生"); ins->show(); } void homeWindow::modify() { modifyStuMsg *mod = new modifyStuMsg; mod->setWindowTitle("修改学生信息"); mod->show(); } void homeWindow::write() { readMsgFromFileWD* readWD = new readMsgFromFileWD; readWD->setWindowTitle("将数据写入文件"); readWD->show(); readWD->saveAsFile(); } void homeWindow::byeBye() { this->hide(); byebye *b = new byebye; b->setWindowTitle("学生信息管理系统"); b->show(); }