完成设置页面和退出页面，开卡页面的画图

2024-07-28 22:47:24 +08:00
commit 1a300f4ca7
16 changed files with 1297 additions and 0 deletions
--- a/settingPage.h
+++ b/settingPage.h
@@ -0,0 +1,118 @@
+#ifndef SETTINGPAGE_H
+#define SETTINGPAGE_H
+
+#include "mainwindow.h"
+#include "ui_mainwindow.h"
+
+
+/*
+ * 功能：切换到设置页面
+ * 触发：点击工具栏的“设置”
+*/
+void MainWindow::on_settingAction_triggered()
+{
+    ui->stackedWidget->setCurrentWidget(ui->settingPage);
+}
+
+
+/*
+ * 功能：设置连接的读卡器的COM口号并更新状态栏的相应内容
+ * 输入：要设置的COM口号
+ * 返回：无
+*/
+void MainWindow::updateStatusBarComNumber()
+{
+    if (reader.is_connected())
+    {
+        readerConnectStatusCheckBox->setChecked(true);
+        QString s = "已连接读卡器COM：" + QString::number(reader.getComNumber());
+        comNumberLabel->setText(s);
+    }
+    else
+    {
+        readerConnectStatusCheckBox->setChecked(false);
+        QString s = "当前无连接";
+        comNumberLabel->setText(s);
+    }
+}
+
+
+/*
+ * 功能：连接读卡器
+ * 触发：在设置页面的连接读卡器部分点击“连接”按钮
+*/
+void MainWindow::on_connectReaderButton_clicked()
+{
+    int comNumber = ui->comNumberBox->value();
+    reader.setComNumber(comNumber);
+    bool connectSuccess = reader.connectReader();
+
+    if (!connectSuccess) {
+        QString warningMessage = QString("COM") + QString::number(comNumber);
+        warningMessage += QString("上未识别到读卡器。\n请输入正确的COM口号。");
+        QMessageBox::warning(this, "读卡器状态提示", warningMessage);
+    }
+
+    updateStatusBarComNumber();
+}
+
+
+/*
+ * 功能：连接数据库并检查设备名
+ * 触发：在设置页面的连接数据库部分点击“连接”按钮
+*/
+void MainWindow::on_connectDatabaseButton_clicked()
+{
+    databaseIpAddr = ui->ipAddrEdit->text();
+    databasePort = ui->portBox->value();
+    databasePassword = ui->passwordEdit->text();
+
+    db = QSqlDatabase::addDatabase("QMYSQL");
+    db.setHostName(databaseIpAddr);
+    db.setPort(databasePort);
+    db.setPassword(databasePassword);
+    db.setDatabaseName("cardManageSystem");
+    db.setUserName("cardManageSystem");
+
+    if (!db.open())
+    {
+        QMessageBox::warning(this, QString("数据库状态提示"), QString("数据库连接失败，请重试。"));
+        databaseConnectStatusCheckBox->setChecked(false);
+        databaseLabel->setText(QString("数据库未连接"));
+        databaseIpAddr = "";
+        return;
+    }
+    databaseConnectStatusCheckBox->setChecked(true);
+    databaseLabel->setText(QString("数据库已连接：") + databaseIpAddr + QString(":") + QString::number(databasePort));
+
+    device = ui->deviceEdit->text();
+    QSqlQuery query;
+    QString sql = QString("select * from device where id = '%1';").arg(device);
+    query.exec(sql);
+    if (query.next())
+    {
+        if (query.value(2).toBool()) depositAllowed = true;
+        else depositAllowed = false;
+    }
+    else
+    {
+        device = QString("未指定设备名");
+        QMessageBox::warning(this, QString("设备名提示"), QString("该设备名无效，请重试。"));
+    }
+    deviceLabel->setText(device);
+}
+
+
+/*
+ * 功能：检查读卡器和数据库是否准备好
+ * 输入：无
+ * 返回：true - 已准备好 | false - 未准备好
+*/
+bool MainWindow::ready()
+{
+    if (!reader.is_connected() || databaseIpAddr.isEmpty()) return false;
+    return true;
+}
+
+
+#endif // SETTINGPAGE_H