【QT】QT项目：无人船数据采集登录管理系统

「爱情、让人受尽委屈。」 2024-04-07 13:17 19阅读 0赞

#### 一、项目演示 ####

1、登录界面  
![在这里插入图片描述][bd648ba9ddfa40c9bd235dafb617dc08.png]  
2、注册界面  
![在这里插入图片描述][3cc8f9a6e77e438e8b8e000d95ade179.png]

3、登录成功  
![在这里插入图片描述][8ce5883ecf0d44a4965a63393b6ac4e4.png]

4、主界面  
![在这里插入图片描述][f60e895ce05c4cc8bb7b46e54d7b2232.png]

#### 二、项目预览 ####

![在这里插入图片描述][641cfc79fd8f4595bf3b0cf52cdcd90d.png]

#### 三、项目源码 ####

1、ShipDataManagementSystem.pro

#-------------------------------------------------
    #
    # Project created by QtCreator 2022-08-16T10:49:17
    #
    #-------------------------------------------------
    
    QT       += core gui sql concurrent network
    
    greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
    
    TARGET = ShipDataManagementSystem
    TEMPLATE = app
    
    # The following define makes your compiler emit warnings if you use
    # any feature of Qt which has been marked as deprecated (the exact warnings
    # depend on your compiler). Please consult the documentation of the
    # deprecated API in order to know how to port your code away from it.
    DEFINES += QT_DEPRECATED_WARNINGS
    
    # You can also make your code fail to compile if you use deprecated APIs.
    # In order to do so, uncomment the following line.
    # You can also select to disable deprecated APIs only up to a certain version of Qt.
    #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
    
    CONFIG += c++11
    
    CONFIG += resources_big
    
    SOURCES += \
            main.cpp \
            ShipDataManagementSystem.cpp \
            Login.cpp \
            SignUp.cpp
    
    HEADERS += \
            ShipDataManagementSystem.h \
            Login.h \
            SignUp.h
    
    FORMS += \
            ShipDataManagementSystem.ui \
            Login.ui \
            SignUp.ui
    
    INCLUDEPATH += $$PWD/include
    LIBS += -L$$PWD/lib -lDataBaseShow -lJsonData -lRecData
    
    # Default rules for deployment.
    qnx: target.path = /tmp/$${
        TARGET}/bin
    else: unix:!android: target.path = /opt/$${
        TARGET}/bin
    !isEmpty(target.path): INSTALLS += target
    
    RESOURCES += \
            res.qrc

2、Login.h

#ifndef LOGIN_H
    #define LOGIN_H
    
    #include <QDialog>
    #include <QSqlDatabase> //数据驱动
    #include <QSqlQuery> //数据库执行语句
    #include <QCryptographicHash> //加密
    #include <QMessageBox>//消息盒子
    #include <QSqlError>
    #include <QDebug>
    #include <QDir>
    #include <QGraphicsDropShadowEffect>
    #include <QLabel>
    #include <QMouseEvent>
    
    extern QString passwd;
    extern QString Currentname;
    void mysql_Init();  //界面初始化
    
    namespace Ui {
        
    class Login;
    }
    
    class Login : public QDialog
    {
        
        Q_OBJECT
    
    public:
        explicit Login(QWidget *parent = nullptr);
        ~Login();
    
    private slots:
        void on_btn_login_clicked();
        void on_btn_register_clicked();
        void on_Exit_clicked();
    
    protected:
        void mousePressEvent(QMouseEvent *event);
        void mouseMoveEvent(QMouseEvent *event);
        void mouseReleaseEvent(QMouseEvent *event);
    
    private:
        Ui::Login *ui;
    
        QPoint last;
    };
    
    #endif // LOGIN_H

3、Login.cpp

#pragma execution_character_set("utf-8")
    #include "Login.h"
    #include "ui_Login.h"
    #include "SignUp.h"
    #include "ShipDataManagementSystem.h"
    
    QString passwd;
    QString Currentname;
    
    Login::Login(QWidget *parent) :
        QDialog(parent),
        ui(new Ui::Login)
    {
        
        ui->setupUi(this);
    
        //控制窗口大小
        //this->resize(1920,1080);
        //设置图标
        this->setWindowIcon(QIcon(":/images/icon.png"));
        //设置窗体透明
        this->setAttribute(Qt::WA_TranslucentBackground, true);
        //设置无边框
        this->setWindowFlags(Qt::Window | Qt::FramelessWindowHint);
        //实例阴影shadow
        QGraphicsDropShadowEffect *shadow = new QGraphicsDropShadowEffect(this);
        //设置阴影距离
        shadow->setOffset(-3, 0);
        //设置阴影颜色
        shadow->setColor(QColor("#888888"));
        //设置阴影圆角
        shadow->setBlurRadius(30);
        //给嵌套QWidget设置阴影
        ui->label_background->setGraphicsEffect(shadow);
        //给垂直布局器设置边距(此步很重要, 设置宽度为阴影的宽度)
        ui->label_background->setContentsMargins(1,1,1,1);
    }
    
    Login::~Login()
    {
        
        delete ui;
    }
    
    void mysql_Init()
    {
        
        //初始化数据库
        QSqlDatabase db = QSqlDatabase::addDatabase("QMYSQL");
        db.setHostName("localhost");
        db.setPort(3306);
        db.setDatabaseName("userdb");
        db.setUserName("root");
        db.setPassword("root");
        if(!db.open())
        {
        
            qDebug()<<"Sql connect failed.";
            qDebug() << db.lastError().text();
            //QMessageBox::warning(nullptr, "警告", "无法连接数据库");
        }
    
        QString createUserTable;
    
        createUserTable ="CREATE TABLE IF NOT EXISTS userdb  \
                (                                        \
                  id  bigint  not null  auto_increment , \
                  username varchar(255) unique NOT NULL,         \
                  password varchar(255) NOT NULL     ,  \
                  time timestamp  NOT NULL DEFAULT CURRENT_TIMESTAMP ,\
                  PRIMARY KEY (id)              \
                );";
    
        QSqlQuery query;
        query.prepare(createUserTable);
        if(!query.exec()){
        
            qDebug()<<"CREATE TABLE Rule:"<<query.lastError();
        }
        else{
        
            qDebug()<<"CREATE TABLE Rule success!";
        }
    
    }
    
    //登录
    void Login::on_btn_login_clicked()
    {
        
        mysql_Init();
        QString username = ui->lineEdit_username->text();
        QString password = ui->lineEdit_password->text();
        QString sql=QString("select * from userdb where username='%1' and password='%2'")
                .arg(username).arg(password);
        //创建执行语句对象
        QSqlQuery query(sql);
        //判断执行结果
        if(!query.next())
        {
        
            qDebug()<<"Login error";
            QMessageBox::information(this,QString::fromUtf8("登录认证"),QString::fromUtf8("登录失败,账户或者密码错误"));
        }
        else
        {
        
            Currentname = ui->lineEdit_username->text();
            qDebug()<<"Login success";
            QMessageBox::information(this,"登录认证","登录成功");
    
            ShipDataManagementSystem *sdms = new  ShipDataManagementSystem;
            sdms->show();
    
            this->close();
        }
    }
    
    //注册
    void Login::on_btn_register_clicked()
    {
        
        SignUp *reg = new SignUp;
        reg->show();
        this->hide();
    }
    
    //关闭
    void Login::on_Exit_clicked()
    {
        
        this->close();
    }
    
    //鼠标按下
    void Login::mousePressEvent(QMouseEvent *event)
    {
        
        last = event->globalPos();
    }
    
    //鼠标移动
    void Login::mouseMoveEvent(QMouseEvent *event)
    {
        
        int dx = event->globalX() - last.x();
        int dy = event->globalY() - last.y();
    
        last = event->globalPos();
        move(x()+dx, y()+dy);
    }
    
    //鼠标释放
    void Login::mouseReleaseEvent(QMouseEvent *event)
    {
        
        int dx = event->globalX() - last.x();
        int dy = event->globalY() - last.y();
        move(x()+dx, y()+dy);
    }

4、SignUp.h

#ifndef SIGNUP_H
    #define SIGNUP_H
    
    #include <QWidget>
    #include <QMessageBox>
    #include <QSqlDatabase>
    
    namespace Ui {
        
    class SignUp;
    }
    
    class SignUp : public QWidget
    {
        
        Q_OBJECT
    
    public:
        explicit SignUp(QWidget *parent = nullptr);
        ~SignUp();
    
        bool checkSql(QString username); //连接数据库验证账号密码
    
    private slots:
        void on_btn_sureadd_clicked();
    
        void on_btn_return_clicked();
    
    private:
        Ui::SignUp *ui;
    
        QString username;
        QString password;
        QString surepass;
        QSqlDatabase db;
    };
    
    #endif // SIGNUP_H

5、SignUp.cpp

#pragma execution_character_set("utf-8")
    #include "SignUp.h"
    #include "ui_SignUp.h"
    #include "Login.h"
    
    SignUp::SignUp(QWidget *parent) :
        QWidget(parent),
        ui(new Ui::SignUp)
    {
        
        ui->setupUi(this);
    
        this->setWindowTitle(QString::fromUtf8("账号注册"));
        this->setWindowIcon(QIcon(":/images/icon.png"));
    }
    
    SignUp::~SignUp()
    {
        
        delete ui;
    }
    
    void SignUp::on_btn_sureadd_clicked()
    {
        
        mysql_Init();
        username = ui->lineEdit_newname->text();
        password = ui->lineEdit_newpass->text();
        surepass = ui->lineEdit_surepass->text();
    
        //限制密码需要大于6位
        int n = 0;
        for (int i = 0;i < password.trimmed().length();i++)  //trimmed()去掉前后空格
        {
        
            n++;
        }
        if (password.trimmed().length() < 6)
        {
        
            QMessageBox::information(this, "注册认证", "密码设置需要超过6位，请重新设置");
            return;
        }
    
        //判断密码是否一致
        if(password == surepass)
        {
        
            QString sql=QString("insert into userdb(username,password) values('%1','%2');")
                    .arg(username).arg(password);
            //创建执行语句对象
            QSqlQuery query;
            //判断执行结果
            if(!query.exec(sql))
            {
        
                qDebug()<<"insert into error";
                QMessageBox::information(this,"注册认证","注册失败！");
            }
            else
            {
        
                qDebug()<<"insert into success";
                QMessageBox::information(this,"注册认证","注册成功！");
                Login *lgin = new Login;
                lgin->show();
                this->close();
            }
    
        }else{
        
            QMessageBox::information(this,"注册认证","两次密码输入不一致");
        }
    
    }
    
    //返回登录
    void SignUp::on_btn_return_clicked()
    {
        
        Login *lgin = new Login;
        lgin->show();
        this->close();
    }

6、ShipDataManagementSystem.h

#ifndef SHIPDATAMANAGEMENTSYSTEM_H
    #define SHIPDATAMANAGEMENTSYSTEM_H
    
    #include "DataBaseShow.h"
    #include "jsondata.h"
    #include "RecData.h"
    #include <QMainWindow>
    #include <QLabel>
    
    namespace Ui {
        
    class ShipDataManagementSystem;
    }
    
    class ShipDataManagementSystem : public QMainWindow
    {
        
        Q_OBJECT
    
    public:
        explicit ShipDataManagementSystem(QWidget *parent = nullptr);
        ~ShipDataManagementSystem();
    
    private:
        Ui::ShipDataManagementSystem *ui;
    
        QLabel *pTimeLabel;
    
        DataBaseShow* dbs;
        JsonData* jd;
        RecData* rd;
    
        QPoint mousePoint;      //鼠标相对于窗体的位置
        bool isMousePressed;    //鼠标是否按下
    
    public:
        void timeUpdate();
    private slots:
        void on_CollectDataBtn_clicked();
        void on_SubjectJsonBtn_clicked();
        void on_DataBaseShowBtn_clicked();
        void on_ExitSystemBtn_clicked();
    
    protected:
        virtual void mousePressEvent(QMouseEvent *event);  //鼠标按下事件
        virtual void mouseMoveEvent(QMouseEvent *event);   //窗体拖动事件
        virtual void mouseReleaseEvent(QMouseEvent *event);//鼠标释放事件
    
    };
    
    #endif // SHIPDATAMANAGEMENTSYSTEM_H

7、ShipDataManagementSystem.cpp

#pragma execution_character_set("utf-8")
    #include "ShipDataManagementSystem.h"
    #include "ui_ShipDataManagementSystem.h"
    
    #include <QToolBar>
    #include <QLabel>
    #include <QProgressBar>
    #include <QTimer>
    #include <QDateTime>
    #include <QFont>
    #include <QMouseEvent>
    
    ShipDataManagementSystem::ShipDataManagementSystem(QWidget *parent) :
        QMainWindow(parent),
        ui(new Ui::ShipDataManagementSystem)
    {
        
        ui->setupUi(this);
    
        this->setWindowTitle(QString::fromUtf8("无人船综合管理平台"));
        this->setWindowIcon(QIcon(":/images/icon.png"));
        //this->resize(1600,1056);
        //this->setStyleSheet("background-color: rgb(16, 26, 51);");
        this->setStyleSheet("background-image");
    
        QPalette palette;
        QPixmap pixmap = QPixmap(":/images/ship3.png").scaled(this->size());
        palette.setBrush(QPalette::Window,QBrush(pixmap));
        this->setPalette(palette);
    
        setStyleSheet(
                        /**正常情况下样式**/
                        "QPushButton{"
                        "font: 10pt '微软雅黑';"
                        "color: #2f3640;"
                        "background-color: #f5f6fa;"
                        "border-color: #2f3640;"
                        "border-radius: 15px;"
                        "border-style: solid;"
                        "border-width: 2px;"
                        "padding: 5px;"
                        "}"
                        /**鼠标停留在按钮上的样式**/
                        "QPushButton::hover{"
                        "color: #FFFFFF;"
                        "background-color: #718093;"
                        "border-color: #2f3640;"
                        "}"
                        /**鼠标按压下去的样式**/
                        "QPushButton::pressed,QPushButton::checked{"
                        "color: #FFFFFF;"
                        "background-color: qlineargradient(spread:pad, x1:0, y1:0, x2:0, y2:1, stop:0 #273c75, stop:1 #487eb0);"
                        "}"
                        /**按钮失能情况下样式**/
                        "QPushButton::disabled{"
                        "color: #FFFFFF;"
                        "background-color: #dcdde1;"
                        "border-color: #dcdde1;"
                        "}");
    
    
        //隐藏标题栏
        //setWindowFlags(Qt::FramelessWindowHint);//无边框
        //setWindowFlags(Qt::CustomizeWindowHint);//鼠标可缩放窗口
    
        QStatusBar *pStatusBar = statusBar();
        pStatusBar->setStyleSheet("background-color:rgb(192,192,192);");
    
        QLabel *pWelCome = new QLabel(QString::fromUtf8("当前状态："));
        pStatusBar->addWidget(pWelCome);
    
        pTimeLabel = new QLabel();
        pStatusBar->addPermanentWidget(pTimeLabel);
    
        QTimer *pTimer = new QTimer(this);
        pTimer->start();
        connect(pTimer,&QTimer::timeout,this,&ShipDataManagementSystem::timeUpdate);
    
       QLabel *locationLabel = new QLabel("主窗口显示"); // 新建状态栏显示部件（QLabel）
    
       //locationLabel->setAlignment(Qt::AlignHcenter); // 设置显示部件的显示方试
    
       locationLabel->setMinimumSize(locationLabel->sizeHint()); //设置显示部件合适的最小尺寸
    
       statusBar()->addWidget(locationLabel); //添加显示部件到状态栏
    }
    
    ShipDataManagementSystem::~ShipDataManagementSystem()
    {
        
        delete ui;
    }
    
    void ShipDataManagementSystem::timeUpdate()
    {
        
        //更新时间的槽函数中的代码
        QDateTime currentTime = QDateTime::currentDateTime();
        QString timeStr = currentTime.toString(QStringLiteral("yyyy/MM/dd hh:mm:ss"));
        pTimeLabel->setText(timeStr);
    }
    
    
    void ShipDataManagementSystem::on_CollectDataBtn_clicked()
    {
        
        rd = new RecData;
        rd->setWindowTitle("Receive Data");
        rd->show();
    }
    
    void ShipDataManagementSystem::on_SubjectJsonBtn_clicked()
    {
        
        jd = new JsonData;
        jd->setWindowTitle("Json数据解析界面");
        jd->show();
    }
    
    void ShipDataManagementSystem::on_DataBaseShowBtn_clicked()
    {
        
        dbs = new DataBaseShow;
        dbs->setWindowTitle("数据库显示界面");
        dbs->show();
    }
    
    void ShipDataManagementSystem::on_ExitSystemBtn_clicked()
    {
        
        this->close();
    }
    
    //鼠标按下事件
    void ShipDataManagementSystem::mousePressEvent(QMouseEvent *event)
    {
        
          mousePoint = event->pos();    //鼠标相对于窗体的位置
          isMousePressed = true;        //鼠标按下
          event->accept();
     }
    
     //窗体拖动事件
     void ShipDataManagementSystem::mouseMoveEvent(QMouseEvent *event)
    {
        
          //若鼠标左键被按下
          if(isMousePressed == true)
         {
        
    
               //鼠标相对于屏幕的位置
               QPoint curMousePoint = event->globalPos() - mousePoint;
              //移动主窗体位置
               move(curMousePoint);
          }
          event->accept();
     }
    
     //鼠标释放事件
     void ShipDataManagementSystem::mouseReleaseEvent(QMouseEvent *event)
     {
        
           //鼠标未按下
           isMousePressed = false;
           event->accept();
     }

8、main.cpp

#include "ShipDataManagementSystem.h"
    #include "Login.h"
    #include <QApplication>
    
    int main(int argc, char *argv[])
    {
        
        QApplication a(argc, argv);
        ShipDataManagementSystem w;
        //w.show();
    
        Login* lgin = new Login;
        lgin->show();
        
        return a.exec();
    }

#### 四、项目源码 ####

[项目源码位置][Link 1]

[bd648ba9ddfa40c9bd235dafb617dc08.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/07/3e025ec01603466a9c0a283dbb1ed445.png
[3cc8f9a6e77e438e8b8e000d95ade179.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/07/de0f3e51f18a436897fa04fca8f12df7.png
[8ce5883ecf0d44a4965a63393b6ac4e4.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/07/ad56bf252f2d4d338d997a08245e19d5.png
[f60e895ce05c4cc8bb7b46e54d7b2232.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/07/6b36a802fab9409cb745828f3ba31e61.png
[641cfc79fd8f4595bf3b0cf52cdcd90d.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/07/7582f1492f99401fbddf68538bb57a4a.png
[Link 1]: https://download.csdn.net/download/Cappuccino_jay/86509634