GBK与UTF8编码转换的QT4源码资源-CSDN文库

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共5个文件

cpp：2个

h：1个

pro：1个

QT4是一个跨平台的C++应用程序开发框架，广泛用于创建图形用户界面和其他各种软件。GBK和UTF-8是两种常见的字符编码格式，它们在处理多语言文本时起着关键作用。 GBK编码是中国大陆广泛使用的汉字编码标准，它扩展了GB2312，包含了更多的汉字和符号。GBK在单字节编码的基础上增加了一些双字节编码，能够表示大约2万多个汉字，但在处理非中文字符时可能会出现问题。 UTF-8（Unicode Transformation Format - 8）是一种变长的Unicode编码方式，它将不同的字符用1到4个字节表示。UTF-8最大的优点在于对ASCII字符的兼容性，前128个字符（包括英文、数字和一些标点符号）与ASCII编码相同，且在Web上广泛支持，是处理多语言文本的标准编码。 "GBK2UTF8"源码的实现主要涉及到字符编码的转换过程。在QT4中，可以利用QTextCodec类来处理不同的编码格式。QTextCodec提供了多种编码的工厂方法，如QTextCodec::codecForName()，可以用来获取GBK或UTF-8的编码对象。之后，可以使用这些对象的fromUnicode()和toUnicode()方法进行编码转换。以下是可能的转换流程： 1. 加载GBK编码的文本文件。QT4中的QFile类可以用来读取文件，然后使用QDataStream或QTextStream来处理文件内容。 ```cpp QFile gbkFile("GBK_file.txt"); gbkFile.open(QIODevice::ReadOnly); QTextStream in(&gbkFile); ``` 2. 创建GBK和UTF-8的QTextCodec对象。 ```cpp QTextCodec *gbkCodec = QTextCodec::codecForName("GBK"); QTextCodec *utf8Codec = QTextCodec::codecForName("UTF-8"); ``` 3. 使用编码对象进行转换。例如，将GBK编码的文本转换为Unicode字符串，再转成UTF-8编码。 ```cpp QString gbkString = in.readAll(); QByteArray utf8Bytes = utf8Codec->fromUnicode(gbkCodec->toUnicode(gbkString)); ``` 4. 将UTF-8字节数组写入新的UTF-8编码文件。 ```cpp QFile utf8File("UTF8_file.txt"); utf8File.open(QIODevice::WriteOnly); QTextStream out(&utf8File); out.write(utf8Bytes.data(), utf8Bytes.size()); ``` 以上代码示例展示了GBK到UTF-8转换的基本步骤。实际项目中，还需要考虑错误处理、异常情况和大文件读写等复杂情况。这个"GBK2UTF8"源码项目可能是为了提供一个便捷的工具，让用户能方便地在GBK和UTF-8之间进行转换，尤其在处理包含大量中文字符的数据时，这样的工具十分实用。在Linux环境下，这种编码转换工具可以帮助开发者解决不同编码格式间的兼容问题，确保数据的一致性和正确性。

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GBK2UTF8.tar.gz （5个子文件）

GBK2UTF8

GBK2UTF8 466KB

GBK2UTF8.cpp 10KB

GBK2UTF8.pro 331B

GBK2UTF8.h 973B

main.cpp 173B

#include "GBK2UTF8.h" #include <QtGui/QFileDialog> #include <QtGui/QMessageBox> #include <QtCore/QTextStream> #include <QTextCodec> #include <QKeyEvent> #include <QtGlobal> GBK2UTF8::GBK2UTF8(QWidget *parent) : QDialog(parent) { setObjectName(QString::fromUtf8("GBK2UTF8")); resize(580, 480); setMinimumSize(QSize(580, 480)); setMaximumSize(QSize(580, 480)); setBaseSize(QSize(580, 480)); setFocusPolicy(Qt::StrongFocus); setWindowTitle(QString::fromUtf8("GBK2UTF8")); textLabel = new QLabel(this); textLabel->setObjectName(QString::fromUtf8("textLabel")); textLabel->setGeometry(QRect(30, 10, 143, 20)); textLabel->setText(QObject::trUtf8("文件列表（注意备份）")); FileList = new QListWidget(this); FileList->setObjectName(QString::fromUtf8("FileList")); FileList->setGeometry(QRect(29, 39, 391, 361)); FileList->setEditTriggers(QAbstractItemView::NoEditTriggers); AddFile = new QPushButton(this); AddFile->setObjectName(QString::fromUtf8("AddFile")); AddFile->setGeometry(QRect(450, 60, 102, 24)); AddFile->setText(QObject::trUtf8("添加文件")); AddDir = new QPushButton(this); AddDir->setObjectName(QString::fromUtf8("AddDir")); AddDir->setGeometry(QRect(450, 120, 102, 24)); AddDir->setText(QObject::trUtf8("添加目录")); DelFile = new QPushButton(this); DelFile->setObjectName(QString::fromUtf8("DelFile")); DelFile->setGeometry(QRect(450, 180, 102, 24)); DelFile->setText(QObject::trUtf8("移除文件")); DelAll = new QPushButton(this); DelAll->setObjectName(QString::fromUtf8("DelAll")); DelAll->setGeometry(QRect(450, 240, 102, 24)); DelAll->setText(QObject::trUtf8("全部移除")); Start = new QPushButton(this); Start->setObjectName(QString::fromUtf8("Start")); Start->setGeometry(QRect(450, 300, 102, 24)); Start->setText(QObject::trUtf8("开始处理")); Quit = new QPushButton(this); Quit->setObjectName(QString::fromUtf8("Quit")); Quit->setGeometry(QRect(450, 360, 102, 24)); Quit->setText(QObject::trUtf8("退出")); this->setStyleSheet("QGroupBox { color: red; } "); groupBox = new QGroupBox(this); groupBox->setObjectName(QString::fromUtf8("groupBox")); groupBox->setGeometry(QRect(70, 420, 310, 50)); groupBox->setFlat(false); groupBox->setCheckable(false); groupBox->setTitle(QObject::trUtf8("请务必确认文件原始编码方式，以免转换后出现乱码!")); gbk_2_utf8 = new QRadioButton(groupBox); gbk_2_utf8->setObjectName(QString::fromUtf8("gbk_2_utf8")); gbk_2_utf8->setGeometry(QRect(20, 20, 135, 20)); gbk_2_utf8->setChecked(true); gbk_2_utf8->setText(QObject::trUtf8("GBK转换为UTF-8")); utf8_2_gbk = new QRadioButton(groupBox); utf8_2_gbk->setObjectName(QString::fromUtf8("utf8_2_gbk")); utf8_2_gbk->setGeometry(QRect(180, 20, 135, 20)); utf8_2_gbk->setText(QObject::trUtf8("UTF-8转换为GBK")); Backup = new QCheckBox(this); Backup->setObjectName(QString::fromUtf8("Backup")); Backup->setGeometry(QRect(430, 440, 102, 24)); Backup->setText(QObject::trUtf8("保留文件备份")); QObject::connect(AddFile, SIGNAL(clicked()), this, SLOT(addFile())); QObject::connect(AddDir, SIGNAL(clicked()), this, SLOT(addDir())); QObject::connect(DelFile, SIGNAL(clicked()), this, SLOT(deleteOne())); QObject::connect(DelAll, SIGNAL(clicked()), this, SLOT(deleteAll())); QObject::connect(Start, SIGNAL(clicked()), this, SLOT(startConvert())); QObject::connect(Quit, SIGNAL(clicked()), this, SLOT(close())); } GBK2UTF8::~GBK2UTF8() { if(textLabel != NULL) { delete textLabel; textLabel = NULL; } if(FileList != NULL) { delete FileList; FileList = NULL; } if(AddFile != NULL) { delete AddFile; AddFile = NULL; } if(AddDir != NULL) { delete AddDir; AddDir = NULL; } if(DelFile != NULL) { delete DelFile; DelFile = NULL; } if(DelAll != NULL) { delete DelAll; DelAll = NULL; } if (Start != NULL) { delete Start; Start = NULL; } if(Quit != NULL) { delete Quit; Quit = NULL; } if(gbk_2_utf8 != NULL) { delete gbk_2_utf8; gbk_2_utf8 = NULL; } if(utf8_2_gbk != NULL) { delete utf8_2_gbk; utf8_2_gbk = NULL; } if(groupBox != NULL) { delete groupBox; groupBox = NULL; } if(Backup != NULL) { delete Backup; Backup = NULL; } } void GBK2UTF8::addFile() { QStringList fileNames; QString fileName; QList<QListWidgetItem*> fileItem; QString filters = "Java file(*.java *.jsp);;C file(*.c *.cpp *.h);;All files(*)"; QFileDialog *fileDialog = new QFileDialog(this, QObject::trUtf8("选择文件"), "/home", filters); fileDialog->setFileMode(QFileDialog::ExistingFile); fileDialog->setViewMode(QFileDialog::Detail); fileDialog->setFilter(filters); if(fileDialog->exec()) { fileNames = fileDialog->selectedFiles(); for(QStringList::Iterator it = fileNames.begin();it != fileNames.end();it++) { fileName = *it; fileItem = FileList->findItems(fileName,Qt::MatchExactly); if(!fileItem.isEmpty()){ QMessageBox::warning(this, QObject::trUtf8("警告"), QObject::trUtf8("该文件已经存在于列表中!\n")); } else FileList->addItem(fileName); } } delete fileDialog; fileDialog = NULL; } void GBK2UTF8::addDir() { QString path; QStringList pathList; QList<QListWidgetItem*> pathItem; QString filters = "Java file(*.java *.jsp);;C file(*.c *.cpp *.h);;All files(*)"; QFileDialog *fileDialog = new QFileDialog(this, QObject::trUtf8("选择目录"), "/home", filters); fileDialog->setFileMode(QFileDialog::DirectoryOnly); fileDialog->setViewMode(QFileDialog::Detail); fileDialog->setFilter(filters); if(fileDialog->exec()) { pathList = fileDialog->selectedFiles(); for(QStringList::Iterator it = pathList.begin();it != pathList.end();it++) { path = *it; pathItem = FileList->findItems(path,Qt::MatchContains); if(!pathItem.isEmpty()){ QMessageBox::warning(this, QObject::trUtf8("警告"), QObject::trUtf8("该目录中文件已经存在于列表中!\n")); } else{ if(path.right(1) == "/") path.remove(path.length()-1,1); traversalFolder(path); } } } delete fileDialog; fileDialog = NULL; } void GBK2UTF8::deleteOne() { int row = FileList->currentRow(); if(row == -1){ QMessageBox::warning(this, QObject::trUtf8("警告"), QObject::trUtf8("请选择一个要移去的文件!\n")); } else{ FileList->removeItemWidget(FileList->item(row)); } } void GBK2UTF8::deleteAll() { if(FileList->count() == 0){ QMessageBox::warning(this, QObject::trUtf8("警告"), QObject::trUtf8("文件列表是空的!\n")); } else{ FileList->clear(); } } void GBK2UTF8::startConvert() { int i; QListWidgetItem *item = NULL; if(FileList->count() == 0){ QMessageBox::warning(this, QObject::trUtf8("警告"), QObject::trUtf8("文件列表是空的,请先选择文件!\n")); return; } if(gbk_2_utf8->isChecked()) { for(i = 0;i < FileList->count();i++) { item = FileList->item(i); changeCode(item->text(),true); } } if(utf8_2_gbk->isChecked()) { for(i = 0;i < FileList->count();i

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