first comit

TabEditor.pro

@@ -0,0 +1,26 @@
+QT       += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+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 += \
+    main.cpp \
+    mainwindow.cpp
+
+HEADERS += \
+    mainwindow.h
+
+FORMS += \
+    mainwindow.ui
+
+RC_ICONS += app.ico
+
+# Default rules for deployment.
+qnx: target.path = /tmp/$${TARGET}/bin
+else: unix:!android: target.path = /opt/$${TARGET}/bin
+!isEmpty(target.path): INSTALLS += target

fileloader.h

@@ -0,0 +1,21 @@
+// fileloader.h
+#ifndef FILELOADER_H
+#define FILELOADER_H
+
+#include <QObject>
+
+class FileLoader : public QObject
+{
+    Q_OBJECT
+public:
+    explicit FileLoader(QObject *parent = nullptr);
+    ~FileLoader();
+
+public slots:
+    void loadTextFile(const QString& fileName);
+
+signals:
+    void fileLoaded(QStringList rows, int tableCol);
+};
+
+#endif // FILELOADER_H

main.cpp

@@ -0,0 +1,12 @@
+#include "mainwindow.h"
+
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    MainWindow w;
+    w.setWindowTitle("TabEditor");
+    w.show();
+    return a.exec();
+}

mainwindow.cpp

@@ -0,0 +1,158 @@
+#include "mainwindow.h"
+#include "ui_mainwindow.h"
+#include <QFile>
+#include <QTextStream>
+#include <QTableWidget>
+#include <QFileDialog>
+#include <QProgressDialog>
+#include <QMessageBox>
+
+MainWindow::MainWindow(QWidget *parent)
+    : QMainWindow(parent)
+    , ui(new Ui::MainWindow)
+{
+    ui->setupUi(this);
+
+    connect(ui->actionOpen, &QAction::triggered, this, &MainWindow::onOpenButtonClicked);
+    connect(ui->actionSave, &QAction::triggered, this, &MainWindow::onSaveButtonClicked);
+}
+
+MainWindow::~MainWindow()
+{
+    delete ui;
+}
+
+void MainWindow::loadTextFile(const QString& fileName)
+{
+    QFile file(fileName);
+
+    if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
+    {
+        // 文件打开失败，处理错误
+        return;
+    }
+
+    QTextStream in(&file);
+
+    // 获取文件大小并预分配内存
+    qint64 fileSize = file.size();
+    QString textData;
+    textData.reserve(fileSize);
+
+    int tableRow = 0;
+    int tableCol = 0;
+    while (!in.atEnd())
+    {
+        QString line = in.readLine();
+        textData += line + "\n"; // 保存所有文本数据
+        tableRow++;
+
+        if (tableRow == 2)
+        {
+            tableCol = line.split("\t").count(); // 获取第二行的列数
+        }
+    }
+
+    file.close();
+
+    progressDialog = new QProgressDialog("Loading...", "Cancel", 0, 0, this);
+    progressDialog->setWindowModality(Qt::WindowModal);
+    progressDialog->setAutoClose(false);
+    progressDialog->setAutoReset(false);
+    progressDialog->setRange(0, tableRow);
+    progressDialog->setValue(0);
+    progressDialog->show();
+
+    // 将数据显示在表格中
+        QTableWidget* tableWidget = ui->tableWidget;
+
+    // 设置表格的行数和列数
+    tableWidget->setRowCount(tableRow);
+    tableWidget->setColumnCount(tableCol);
+
+    tableWidget->blockSignals(true); // 阻止信号发射
+
+    QStringList rows = textData.split("\n");
+    for (int i = 0; i < tableRow; ++i)
+    {
+        QStringList row = rows.at(i).split("\t");
+
+        if (i == 1)
+        {
+            // 获取第二行的列名-设置表格的列标题
+            tableWidget->setHorizontalHeaderLabels(row);
+        }
+
+        for (int j = 0; j < tableCol; ++j)
+        {
+            QTableWidgetItem* item = new QTableWidgetItem(row.at(j));
+            tableWidget->setItem(i, j, item);
+        }
+        progressDialog->setValue(i);
+        QApplication::processEvents(); // 处理界面事件，使进度条能够更新
+        if (progressDialog->wasCanceled())
+        {
+            tableWidget->clear();
+            break;
+        }
+    }
+    progressDialog->setValue(tableRow);
+    progressDialog->hide();
+    tableWidget->blockSignals(false); // 恢复信号发射
+}
+
+void MainWindow::onOpenButtonClicked()
+{
+    QString fileName = QFileDialog::getOpenFileName(this, "Open Text File", "", "Text Files (*.txt)");
+    if (!fileName.isEmpty())
+    {
+        loadTextFile(fileName);
+    }
+}
+
+void MainWindow::onSaveButtonClicked()
+{
+    QString fileName = QFileDialog::getSaveFileName(this, "Save Text File", "", "Text Files (*.txt)");
+    if (!fileName.isEmpty())
+    {
+        QFile file(fileName);
+        if (file.open(QIODevice::WriteOnly))
+        {
+            // 写入UTF-16带有BOM的标记
+            QByteArray bom;
+            bom.append((char)0xFF);
+            bom.append((char)0xFE);
+            file.write(bom);
+
+            QTextStream out(&file);
+            out.setCodec("UTF-16LE");//Qt6 use: out.setEncoding(QStringConverter::Utf16LE);
+
+            QTableWidget* tableWidget = ui->tableWidget;
+            int rowCount = tableWidget->rowCount();
+            int columnCount = tableWidget->columnCount();
+
+            for (int i = 0; i < rowCount; ++i)
+            {
+                for (int j = 0; j < columnCount; ++j)
+                {
+                    QTableWidgetItem* item = tableWidget->item(i, j);
+                    if (item != nullptr)
+                    {
+                        QString text = item->text();
+                        out << text;
+                    }
+
+                    if (j != columnCount - 1)
+                    {
+                        out << "\t"; // 制表符分隔
+                    }
+                }
+
+                out << "\r\n"; // 换行，注意使用\r\n表示换行符
+            }
+
+            file.close();
+            QMessageBox::information(this, "保存完成", "文件已成功保存。");
+        }
+    }
+}

mainwindow.h

@@ -0,0 +1,30 @@
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include "qprogressdialog.h"
+#include <QThread>
+#include <QMainWindow>
+#include <QTableWidget>
+
+QT_BEGIN_NAMESPACE
+namespace Ui { class MainWindow; }
+QT_END_NAMESPACE
+
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    MainWindow(QWidget *parent = nullptr);
+    ~MainWindow();
+    void loadTextFile(const QString& fileName);
+
+private slots:
+    void onOpenButtonClicked();
+    void onSaveButtonClicked();
+
+private:
+    Ui::MainWindow *ui;
+    QProgressDialog* progressDialog; // 添加进度对话框指针
+};
+#endif // MAINWINDOW_H

mainwindow.ui

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+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>1400</width>
+    <height>800</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>MainWindow</string>
+  </property>
+  <widget class="QWidget" name="centralwidget">
+   <property name="layoutDirection">
+    <enum>Qt::LeftToRight</enum>
+   </property>
+   <layout class="QVBoxLayout" name="verticalLayout">
+    <item>
+     <layout class="QGridLayout" name="gridLayout">
+      <item row="0" column="0">
+       <widget class="QTableWidget" name="tableWidget"/>
+      </item>
+     </layout>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QMenuBar" name="menubar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>1400</width>
+     <height>21</height>
+    </rect>
+   </property>
+   <widget class="QMenu" name="menuOpen">
+    <property name="title">
+     <string>File</string>
+    </property>
+    <addaction name="actionOpen"/>
+    <addaction name="actionSave"/>
+   </widget>
+   <addaction name="menuOpen"/>
+  </widget>
+  <widget class="QStatusBar" name="statusbar"/>
+  <action name="actionOpen">
+   <property name="text">
+    <string>Open</string>
+   </property>
+  </action>
+  <action name="actionSave">
+   <property name="text">
+    <string>Save</string>
+   </property>
+  </action>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>