毕业设计项目（适用于计算机/软设相关专业）

#include "login_widget.h" #include "ui_login_widget.h" #include "user_mainwindow.h" #include "connectionpool.h" #include <QMessageBox> #include <QSqlQuery> #include <QDebug> #include <QSignalTransition> #include <QHostAddress> #include <QNetworkInterface> #include <QDateTime> Widget::Widget(QWidget *parent) : QWidget(parent), ui(new Ui::Widget) { ui->setupUi(this); ui->label_title_2->setText("**大学毕业设计\n\n大麦场物业管理系统欢迎您！"); ui->textBrowser_deveInfo->setText("开发者信息\n\n开发者：**\n\n学 校：**大学\n\n学 号：**********"); ui->textBrowser_deveInfo->setAlignment(Qt::AlignCenter); m_AdmwinDialog = new admin_MainWindow(0); m_AdmwinDialog->hide(); } Widget::~Widget() { delete m_AdmwinDialog; delete ui; } QString Widget::getLocalmachineIP(){ /***获取IP***/ QString ipAddress; QList<QHostAddress> ipAddressList = QNetworkInterface::allAddresses(); for(int i = 0; i < ipAddressList.size(); ++i){ if(ipAddressList.at(i) != QHostAddress::LocalHost && ipAddressList.at(i).toIPv4Address()){ ipAddress = ipAddressList.at(i).toString(); break; } } if(ipAddress.isEmpty()) ipAddress = QHostAddress(QHostAddress::LocalHost).toString(); return ipAddress; } /** * 登陆操作 * @brief Widget::on_pushButton_login_2_clicked */ //int count1 = 0; //int count2 = 0; void Widget::on_pushButton_login_2_clicked() { QSqlDatabase db = ConnectionPool::openConnection(); QSqlQuery query(db); if(ui->radioButton_3->isChecked()){ if(ui->lineEdit_name_2->text().isEmpty()){ QMessageBox::warning(this,"提示", "请输入用户名！", QMessageBox::Ok); }else { //验证用户是否存在 query.exec(tr("select * from admin where aname = '%1'") .arg(ui->lineEdit_name_2->text())); if(query.next() && query.value(5).toString().trimmed() == "1"){ if(ui->lineEdit_pwd_2->text().isEmpty()){ QMessageBox::warning(this,"提示", "请输入密码！", QMessageBox::Ok); }else { QString pwd = query.value(2).toString().trimmed(); //验证密码是否正确 if(ui->lineEdit_pwd_2->text() == pwd){ emit admin_loginButtonClicked(); // m_AdmwinDialog->show(); // m_AdmwinDialog->receveData(/*ui->pushButton_login_2*/); adminData *admindata = new adminData(); admindata->aid = query.value(0).toInt(); admindata->aname = query.value(1).toString().trimmed(); admindata->apassword = query.value(2).toString().trimmed(); admindata->arealname = query.value(3).toString().trimmed(); admindata->tel = query.value(4).toString().trimmed(); admindata->status = query.value(5).toString().trimmed(); ui->pushButton_login_2->setUserData(Qt::UserRole,admindata); emit sender_loginInfo(ui->pushButton_login_2); //获取ip QString lastIp = Widget::getLocalmachineIP(); //获取最后登录时间 QDateTime locale(QDateTime::currentDateTime()); QString localTime = locale.toString("yyyy-MM-dd hh:mm:ss"); //判断登陆者是否存在于log表，若是，则更新数据，若否，则插入数据 query.exec(tr("select * from log where log_name = '%1'") .arg(admindata->arealname)); if(query.next()){//存在 query.exec(tr("update log set log_counts = log_counts + 1,last_date = '%2',last_ip = '%3' where log_name = '%4'") .arg(localTime).arg(lastIp).arg(admindata->arealname)); } else { //不存在 query.exec(tr("insert into log (last_ip,last_date,log_name,log_counts,log_play) values('%1','%2','%3',1,'%4')") .arg(lastIp).arg(localTime).arg(admindata->arealname).arg("管理员")); } //清空登录信息 ui->lineEdit_name_2->clear(); ui->lineEdit_pwd_2->clear(); //关闭登录界面 close(); } else { QMessageBox::warning(this,"错误警告！", "密码错误！", QMessageBox::Ok); ui->lineEdit_pwd_2->clear(); ui->lineEdit_pwd_2->setFocus(); } } } else { query.exec(tr("select * from xiaoqu where username = '%1'") .arg(ui->lineEdit_name_2->text())); if(query.next()){ if(ui->lineEdit_pwd_2->text().isEmpty()){ QMessageBox::warning(this,"提示", "请输入密码！", QMessageBox::Ok); } else { QString pwd = query.value(6).toString().trimmed(); if(pwd == ui->lineEdit_pwd_2->text()){ emit admin_loginButtonClicked(); xqManagerData *xqManagerdata = new xqManagerData(); xqManagerdata->username = query.value(5).toString().trimmed(); xqManagerdata->name = query.value(2).toString().trimmed(); xqManagerdata->tel = query.value(4).toString().trimmed(); ui->pushButton_login_2->setUserData(Qt::UserRole,xqManagerdata); emit sender_xqManagerInfo(ui->pushButton_login_2); //获取ip QString lastIp = Widget::getLocalmachineIP(); //获取最后登录时间 QDateTime locale(QDateTime::currentDateTime()); QString localTime = locale.toString("yyyy-MM-dd hh:mm:ss"); //更新小区负责人最后登陆时间 query.exec(tr("select *from xiaoqu where username = '%1'").arg(ui->lineEdit_name_2->text())); if(query.next()){ query.exec(tr("update xiaoqu set op_time = '%1' where username = '%2'") .arg(localTime).arg(ui->lineEdit_name_2->text())); } //判断登陆者是否存在于log表，若是，则更新数据，若否，则插入数据 query.exec(tr("select * from log where log_name = '%1'") .arg(xqManagerdata->name)); if(query.next()){//存在 query.exec(tr("update log set log_counts = log_counts + 1,last_date = '%2',last_ip = '%3' where log_name = '%4'") .arg(localTime).arg(lastIp).arg(xqManagerdata->name));