基于C++的图书管理系统源码+项目说明（高分课设）.zip

#include "header.h" #include "mainwindow.h" #include "ui_mainwindow.h" #include "logindialog.h" #include "borrowdialog.h" #include "newbookdialog.h" #include "bookmanagedialog.h" #include"dialogfine.h" #include <QDesktopWidget> //外部使用的变量 extern User current_user; QString temp_picsrc; extern QDate last_date; extern QString manager_code; extern QString logfile_name; extern QString theme; extern int time_length; extern int seqinday; /** * @brief 构造函数 * @param date 当前日期 */ MainWindow::MainWindow(QDate date, QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) { current_date = date; ui->setupUi(this); this->setWindowFlags(Qt::FramelessWindowHint); ui->stackedWidget_function->setCurrentIndex(0);//默认现实借阅信息模块 ui->tab_condition->setCurrentIndex(0); ui->label_date->setText("当前系统时间为："+ QString::number(last_date.daysInYear(),10) +"年 "+QString::number(last_date.month(),10) + "月 "+QString::number(last_date.day(),10)+"日"); QDesktopWidget* desktop = QApplication::desktop(); // move((desktop->width() - this->width())/2, (desktop->height() - this->height())/2); /** *顶部信息展示栏 */ if (current_user.get_picsrc() != "") { QPixmap pix(current_user.get_picsrc()); ui->label_pic->setPixmap(pix); ui->label_pic->setScaledContents(true); ui->label_pic->show(); } ui->label_user->setText(current_user.get_username()); ui->label_credit->setText(QString::number(current_user.get_credit())); ui->label_gender->setText(current_user.gender); ui->label_number->setText(current_user.number); ui->label_identify->setText(current_user.get_identity()); ui->label_class->setText(current_user.apartment); //更改对应的标签 if (current_user.get_identity() != "学生"){ ui->label_apartment_head->setText("部门"); ui->label_num_head->setText("工号"); } //功能按钮部分 if (current_user.get_identity() == "学生") { ui->Button_bookmanage->setDisabled(true); ui->Button_newbook->setDisabled(true);//管理员功能不可用 } /***************借阅图书信息展示模块***************/ ui->borrowed_list->clear(); ui->borrowed_list->setColumnCount(4); QStringList borrowlist_header; borrowlist_header << "编号" << "标题" << "应还日期" << "操作"; ui->borrowed_list->setHorizontalHeaderLabels(borrowlist_header);//设置表头 ui->borrowed_list->horizontalHeader()->setStyleSheet("QHeaderView::section{background:#c4e2fc}"); ui->borrowed_list->horizontalHeader()->setHighlightSections(false); ui->borrowed_list->verticalHeader()->setVisible(false); //设置每个列的参数 ui->borrowed_list->setColumnWidth(0, 130); ui->borrowed_list->horizontalHeader()->setSectionResizeMode(0, QHeaderView::Interactive); ui->borrowed_list->setColumnWidth(1, 160); ui->borrowed_list->horizontalHeader()->setSectionResizeMode(1, QHeaderView::Interactive); ui->borrowed_list->setColumnWidth(2, 140); ui->borrowed_list->horizontalHeader()->setSectionResizeMode(2, QHeaderView::Interactive); ui->borrowed_list->setColumnWidth(3, 130); ui->borrowed_list->horizontalHeader()->setSectionResizeMode(3, QHeaderView::Interactive); ui->borrowed_list->horizontalHeader()->setStretchLastSection(true); ui->borrowed_list->setSelectionBehavior(QAbstractItemView::SelectRows); //填充借阅数据 QList<BorrowRecord> borrow_record_current = current_user.getBorrowRecord(); int borrow_row_count = borrow_record_current.size(); if (borrow_row_count != 0) { ui->borrowed_list->setRowCount(borrow_row_count); for (int i = 0; i < borrow_row_count; i++) { //col 0 : specific index QTableWidgetItem * item_spec_index = new QTableWidgetItem(); item_spec_index->setText(borrow_record_current[i].get_spec_index()); item_spec_index->setTextAlignment(Qt::AlignVCenter | Qt::AlignHCenter); ui->borrowed_list->setItem(i, 0, item_spec_index); //col 1 : title QTableWidgetItem * item_title = new QTableWidgetItem(); QString title = borrow_record_current[i].get_bookfile_name().split("#")[1]; item_title->setText(title); item_title->setTextAlignment(Qt::AlignVCenter | Qt::AlignHCenter); ui->borrowed_list->setItem(i, 1, item_title); //col 2 : return date QDate return_date = QDate::fromString(borrow_record_current[i].get_return_date(), "yyyy MM dd"); qDebug()<<return_date; QString return_date_text = return_date.toString("yyyy/MM/dd"); QTableWidgetItem * item_return_date = new QTableWidgetItem(); item_return_date->setText(return_date_text); item_return_date->setTextAlignment(Qt::AlignVCenter | Qt::AlignHCenter); ui->borrowed_list->setItem(i, 2, item_return_date); //col 3 : operations QTableWidgetItem * item_operation = new QTableWidgetItem(); item_operation->setText("还书"); QFont font = item_operation->font(); font.setUnderline(true); item_operation->setFont(font); item_operation->setTextColor(Qt::blue); item_operation->setTextAlignment(Qt::AlignVCenter | Qt::AlignHCenter); ui->borrowed_list->setItem(i, 3, item_operation); } } /*************图书预定管理模块*************/ ui->ordered_list->clear(); ui->ordered_list->setColumnCount(4); QStringList orderlist_header; orderlist_header << "编号" << "标题" << "可借时间" << "操作"; ui->ordered_list->setHorizontalHeaderLabels(orderlist_header); ui->ordered_list->horizontalHeader()->setStyleSheet("QHeaderView::section{background:#c4e2fc}"); ui->ordered_list->horizontalHeader()->setHighlightSections(false); ui->ordered_list->verticalHeader()->setVisible(false); //列设置 ui->ordered_list->horizontalHeader()->setSectionResizeMode(0, QHeaderView::Interactive); ui->ordered_list->setColumnWidth(0, 161); ui->ordered_list->horizontalHeader()->setSectionResizeMode(1, QHeaderView::Interactive); ui->ordered_list->setColumnWidth(1, 161); ui->ordered_list->horizontalHeader()->setSectionResizeMode(2, QHeaderView::Interactive); ui->ordered_list->setColumnWidth(2, 161); ui->ordered_list->horizontalHeader()->setSectionResizeMode(3, QHeaderView::Interactive); ui->ordered_list->setColumnWidth(3, 161); ui->ordered_list->horizontalHeader()->setStretchLastSection(true); ui->ordered_list->setSelectionBehavior(QAbstractItemView::SelectRows); //载入预定数据 QList<OrderRecord> order_record_current = current_user.getOrderRecord(); int order_row_count = order_record_current.size(); if (order_row_count != 0) { ui->ordered_list->setRowCount(order_row_count); for (int i = 0; i < order_row_count; ++i) { //col 0 : specific index QString spec_index; QTableWidgetItem * item_spec_index = new QTableWidgetItem(); spec_index = order_record_current[i].get_spec_index(); item_spec_index->setText(spec_index); item_spec_index->setTextAlignment(Qt::AlignVCenter | Qt::AlignHCenter); ui->ordered_list->setItem(i, 0, item_spec_index); //col 1 : title QTableWidgetItem * item_title = new QTableWidgetItem(); QString title = order_record_current[i].get_bookfile_name().split("#")[1]; item_title->setText(title); item_title->setTextAlignment(Qt::AlignVCenter | Qt::AlignHCenter); ui->ordered_list->setItem(i, 1, item_title); //col 2 : available date & col 3 : operations QDate available_date = QDate::fromStri