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MyNote.pro

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+QT       += core gui sql
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+greaterThan(QT_MAJOR_VERSION, 5): QT += core5compat
+
+
+CONFIG += c++17
+
+# You can make your code fail to compile if it uses deprecated APIs.
+# In order to do so, uncomment the following line.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+SOURCES += \
+    fontsizedialog.cpp \
+    form_mode_change.cpp \
+    form_sql_config.cpp \
+    main.cpp \
+    mainwindow.cpp
+
+HEADERS += \
+    fontsizedialog.h \
+    form_mode_change.h \
+    form_sql_config.h \
+    sql_config.h \
+    mainwindow.h
+
+FORMS += \
+    form_mode_change.ui \
+    form_sql_config.ui \
+    mainwindow.ui
+
+RC_ICONS = myico.ico
+
+# 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

fontsizedialog.cpp

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+// FontSizeDialog.cpp
+#include "FontSizeDialog.h"
+
+
+FontSizeDialog::FontSizeDialog(QWidget *parent)
+    : QDialog(parent)
+{
+    setWindowTitle(tr("设置字体大小"));
+
+    QVBoxLayout *mainLayout = new QVBoxLayout(this);
+
+    // // 字体选择
+    // fontComboBox = new QFontComboBox(this);
+    // mainLayout->addWidget(fontComboBox);
+
+    // 大小选择
+    spinBox = new QSpinBox(this);
+    spinBox->setMinimum(8);
+    spinBox->setMaximum(72);
+    mainLayout->addWidget(spinBox);
+
+    // 按钮布局
+    QHBoxLayout *buttonLayout = new QHBoxLayout();
+    QPushButton *okButton = new QPushButton(tr("确定"), this);
+    QPushButton *cancelButton = new QPushButton(tr("取消"), this);
+    buttonLayout->addWidget(okButton);
+    buttonLayout->addWidget(cancelButton);
+    mainLayout->addLayout(buttonLayout);
+
+    connect(okButton, &QPushButton::clicked, this, &FontSizeDialog::onOkClicked);
+    connect(cancelButton, &QPushButton::clicked, this, &QDialog::reject);
+}
+
+int FontSizeDialog::fontSize() const
+{
+    return spinBox->value();
+}
+
+void FontSizeDialog::onOkClicked()
+{
+    accept();
+}
+
+void FontSizeDialog::setDefaultFontSize(int size)
+{
+    spinBox->setValue(size); // 使用setValue方法设置QSpinBox的默认值
+}

fontsizedialog.h

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+// FontSizeDialog.h
+#ifndef FONTSIZE_DIALOG_H
+#define FONTSIZE_DIALOG_H
+
+#include <QDialog>
+#include<QFontComboBox>
+#include <QVBoxLayout>
+#include <QHBoxLayout>
+#include <QPushButton>
+#include<QSpinBox>
+
+class QFontComboBox;
+class QLabel;
+class QPushButton;
+class QSpinBox;
+
+class FontSizeDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit FontSizeDialog(QWidget *parent = nullptr);
+    int fontSize() const;
+    void setDefaultFontSize(int size);
+
+private slots:
+    void onOkClicked();
+
+private:
+    QFontComboBox *fontComboBox;
+    QSpinBox *spinBox;
+};
+
+#endif // FONTSIZE_DIALOG_H

form_mode_change.cpp

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+#include "form_mode_change.h"
+#include "ui_form_mode_change.h"
+
+Form_mode_change::Form_mode_change(QWidget *parent)
+    : QWidget(parent)
+    , ui(new Ui::Form_mode_change)
+{
+    ui->setupUi(this);
+
+
+
+    this->setFixedSize(350, 100);
+    // 创建ButtonGroup并添加RadioButton
+    buttonGroup = new QButtonGroup(this);
+    buttonGroup->addButton(ui->local_radioButton);
+    buttonGroup->addButton(ui->clould_radioButton);
+    mode = new QString;
+
+    QSettings settings("MyNote","setting");
+
+    QString value = settings.value("mode").toString();
+
+    if (!value.isEmpty()) {
+        *mode = value; // 确保mode指向的QString对象被赋予settings中的"value"值，且非空
+
+        if (*mode == "QSQLITE") {
+            ui->local_radioButton->setChecked(true);
+        } else if (*mode == "QMYSQL") {
+            ui->clould_radioButton->setChecked(true);
+
+        }
+    } else {
+        *mode = "QSQLITE"; // 如果value为空，则默认设置mode为"QSQLITE"
+
+        ui->local_radioButton->setChecked(true); // 并且默认选中本地数据库RadioButton
+    }
+
+
+    // 连接信号和槽
+    connect(ui->local_radioButton, &QRadioButton::clicked, this, &Form_mode_change::onLocalRadioButtonClicked);
+    connect(ui->clould_radioButton, &QRadioButton::clicked, this, &Form_mode_change::onClouldRadioButtonClicked);
+
+}
+
+Form_mode_change::~Form_mode_change()
+{
+    delete ui;
+    delete mode;
+}
+
+void Form_mode_change::onLocalRadioButtonClicked(bool checked)
+{
+    if (checked) {
+        *mode = "QSQLITE";
+
+        emit modeChanged(*mode); // 发射模式改变信号
+        qDebug()<<*mode;
+        // 保存到QSettings
+        QSettings settings("MyNote","setting");
+
+        settings.setValue(QString("mode"),*mode);
+
+        settings.sync();
+    }
+}
+
+void Form_mode_change::onClouldRadioButtonClicked(bool checked)
+{
+    if (checked) {
+        *mode = "QMYSQL";
+
+        emit modeChanged(*mode); // 发射模式改变信号
+        qDebug()<<*mode;
+
+        // 保存到QSettings
+        QSettings settings("MyNote","setting");
+
+        settings.setValue(QString("mode"),*mode);
+
+        settings.sync();
+    }
+}
+
+void Form_mode_change::on_pushButton_clicked()
+{
+    emit push_clicked();
+}
+

form_mode_change.h

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+#ifndef FORM_MODE_CHANGE_H
+#define FORM_MODE_CHANGE_H
+
+#include <QWidget>
+#include<QButtonGroup>
+#include<QSettings>
+namespace Ui {
+class Form_mode_change;
+}
+
+class Form_mode_change : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit Form_mode_change(QWidget *parent = nullptr);
+    ~Form_mode_change();
+    QButtonGroup *buttonGroup;
+    QString *mode;
+
+
+
+private:
+    Ui::Form_mode_change *ui;
+
+private slots:
+    void onLocalRadioButtonClicked(bool checked);
+    void onClouldRadioButtonClicked(bool checked);
+
+    void on_pushButton_clicked();
+
+signals:
+    // 自定义信号，用于通知模式改变
+    void modeChanged(const QString &newMode);
+    void push_clicked();
+};
+
+#endif // FORM_MODE_CHANGE_H

form_mode_change.ui

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+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Form_mode_change</class>
+ <widget class="QWidget" name="Form_mode_change">
+  <property name="enabled">
+   <bool>true</bool>
+  </property>
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>402</width>
+    <height>100</height>
+   </rect>
+  </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>300</width>
+    <height>100</height>
+   </size>
+  </property>
+  <property name="maximumSize">
+   <size>
+    <width>402</width>
+    <height>16777215</height>
+   </size>
+  </property>
+  <property name="windowTitle">
+   <string>模式设置</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout_2">
+   <item>
+    <widget class="QWidget" name="widget" native="true">
+     <property name="maximumSize">
+      <size>
+       <width>400</width>
+       <height>16777215</height>
+      </size>
+     </property>
+     <layout class="QHBoxLayout" name="horizontalLayout">
+      <item>
+       <widget class="QWidget" name="widget_3" native="true">
+        <layout class="QHBoxLayout" name="horizontalLayout_3">
+         <item>
+          <widget class="QRadioButton" name="local_radioButton">
+           <property name="text">
+            <string>本地模式</string>
+           </property>
+           <property name="icon">
+            <iconset resource="res.qrc">
+             <normaloff>:/ico/local.ico</normaloff>:/ico/local.ico</iconset>
+           </property>
+          </widget>
+         </item>
+        </layout>
+       </widget>
+      </item>
+      <item>
+       <widget class="QWidget" name="widget_2" native="true">
+        <layout class="QHBoxLayout" name="horizontalLayout_2">
+         <item>
+          <widget class="QRadioButton" name="clould_radioButton">
+           <property name="text">
+            <string>云模式</string>
+           </property>
+           <property name="icon">
+            <iconset resource="res.qrc">
+             <normaloff>:/ico/yum.ico</normaloff>:/ico/yum.ico</iconset>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QPushButton" name="pushButton">
+           <property name="text">
+            <string>云配置设置</string>
+           </property>
+          </widget>
+         </item>
+        </layout>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources>
+  <include location="res.qrc"/>
+ </resources>
+ <connections/>
+</ui>