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lib_bit7z.h 头文件代码
#ifndef LIB_BIT7Z_H
#define LIB_BIT7Z_H
#if defined(_MSC_VER) (_MSC_VER 1600)
# pragma execution_character_set(utf-8)
#endif
#include singleton.h
#include QDebug
#include QObject
#include QString
#include QFileInfo
#include QFile
#include QDir
#include QThread
#include iostream
#include string
#include functional
#include QMetaType
#include include/bit7z.hpp
#include include/bit7zlibrary.hpp
using namespace bit7z;
using namespace std;enum Oper_Type{///解压Oper_Extract-1,///压缩Oper_Compress1
};class Lib_bit7z: public QThread
{Q_OBJECT
public:Lib_bit7z(Oper_Type _type);///初始化业务值void inits(QString _Zip,QString _Dir,QString _passWord){sZip_Zip;sDir_Dir;passWord_passWord;}///lib所在路径wstring lib_path;void run() override;static wstring stringToWstring_WindowApi(const string str);static string wstringToString_WindowsApi(const wstring wstr);//预览static void Get_view(QString path);static vectorBitArchiveItem Get_view_item(QString path,QString password);
signals:void sigProgress(uint64_t nValue, uint64_t nTotalSize);void sigProgressFile(QString sFile);void IsStart(bool isStart);void MessAgeError(QString);
private:/// 解压void extract(const QString sZip, const QString sDir);/// 压缩void compress(const QString sDir, const QString sZip);void callbackProcess(uint64_t size);void callbackFile(wstring filename);void callbackTotal(uint64_t size);private:uint64_t m_nTotalSize; // 压缩前文件夹原始大小///操作类型Oper_Type operation_type;QString sZip;QString sDir;QString passWord;
};#endif // LIB_BIT7Z_H
lib_bit7z.cpp头文件代码
#include lib_bit7z.h
#include QMessageBox
Lib_bit7z::Lib_bit7z(Oper_Type _type):operation_type(_type)
{lib_pathL7z.dll;qRegisterMetaTypeuint64_t(uint64_t);}
//Lib_bit7z::~Lib_bit7z(){}void Lib_bit7z::run()
{emit IsStart(true);if(operation_typeOper_Extract)extract(sZip, sDir);elsecompress(sDir, sZip);emit IsStart(false);
}void Lib_bit7z::Get_view(QString sZip)
{wstring wZip stringToWstring_WindowApi(sZip.toLocal8Bit().toStdString());try {Bit7zLibrary lib{ L7z.dll };BitArchiveInfo arc{ lib, wZip, BitFormat::Auto };//printing archive metadatawcout LArchive properties endl;wcout L Items count: arc.itemsCount() endl;wcout L Folders count: arc.foldersCount() endl;wcout L Files count: arc.filesCount() endl;wcout L Size: arc.size() endl;wcout L Packed size: arc.packSize() endl;wcout endl;//printing archive items metadatawcout LArchive items;auto arc_items arc.items();for ( auto item : arc_items ) {wcout endl;wcout L Item index: item.index() endl;wcout L Name: item.name() endl;wcout L Extension: item.extension() endl;wcout L Path: item.path() endl;wcout L IsDir: item.isDir() endl;wcout L Size: item.size() endl;wcout L Packed size: item.packSize() endl;}} catch ( const BitException ex ) {//do something with ex.what()...QMessageBox::warning(nullptr,提示,预览失败! 原因: \nQString::fromStdString(ex.what()));}}vectorBitArchiveItem Lib_bit7z::Get_view_item(QString sZip,QString password)
{wstring wZip stringToWstring_WindowApi(sZip.toLocal8Bit().toStdString());vectorBitArchiveItem items;try {Bit7zLibrary lib{ L7z.dll };BitArchiveInfo arc{ lib, wZip, BitFormat::Auto };if(password.trimmed()!){wstring wPassword stringToWstring_WindowApi(password.toLocal8Bit().toStdString());arc.setPassword(wPassword);}items arc.items();} catch ( const BitException ex ) {//do something with ex.what()...QMessageBox::warning(nullptr,提示,提取预览文件失败! 原因: \nQString::fromStdString(ex.what()));}return items;
}//----------------------------------------------------------------------------
void Lib_bit7z::callbackProcess(uint64_t size)
{double process ((1.0 * size) / m_nTotalSize)*100;
// qDebug()QString(process -- %1 --%2).arg(size).arg(QString::number(process,f,2));if (m_nTotalSize 0){return;}emit sigProgress(size, m_nTotalSize);
}//----------------------------------------------------------------------------
void Lib_bit7z::callbackFile(wstring filename)
{string temp wstringToString_WindowsApi(filename.c_str());QString sContent QString::fromLocal8Bit(temp.c_str());
// qDebug()QString(file --- %1).arg(sContent);emit sigProgressFile(sContent);
}void Lib_bit7z::callbackTotal(uint64_t size)
{m_nTotalSize size;qDebug()QString(total -- %1).arg(size);
}wstring Lib_bit7z::stringToWstring_WindowApi(const string str)
{int nLen MultiByteToWideChar(CP_ACP, 0, str.c_str(), str.size(), nullptr, 0);wchar_t* buffer new wchar_t[nLen 1];MultiByteToWideChar(CP_ACP, 0, str.c_str(), str.size(), buffer, nLen);buffer[nLen] \0; //字符串断尾wstring wstr buffer; //赋值delete[] buffer; //删除缓冲区return wstr;// return L;
}string Lib_bit7z::wstringToString_WindowsApi(const wstring wstr)
{int nLen WideCharToMultiByte(CP_ACP, 0, wstr.c_str(), wstr.size(), nullptr, 0, nullptr, nullptr);char* buffer new char[nLen 1];WideCharToMultiByte(CP_ACP, 0, wstr.c_str(), wstr.size(), buffer, nLen, nullptr, nullptr);buffer[nLen] \0; //字符串断尾string str buffer; //赋值delete[] buffer; //删除缓冲区return str;// return ;
}//----------------------------------------------------------------------------
// 解压
void Lib_bit7z::extract(const QString sZip, const QString sDir)
{m_nTotalSize 0;wstring wZip stringToWstring_WindowApi(sZip.toLocal8Bit().toStdString());wstring wDir stringToWstring_WindowApi(sDir.toLocal8Bit().toStdString());try{qDebug()QString::fromStdWString(lib_path);qDebug()QFileInfo::exists(QString::fromStdWString(lib_path));qDebug()[wZip] : QString::fromStdWString(wZip);qDebug()[wDir] : QString::fromStdWString(wDir);Bit7zLibrary lib(lib_path);BitExtractor extractor(lib, BitFormat::Auto);ProgressCallback pc std::bind(Lib_bit7z::callbackProcess, this, std::placeholders::_1);TotalCallback tc std::bind(Lib_bit7z::callbackTotal, this, std::placeholders::_1);FileCallback fc std::bind(Lib_bit7z::callbackFile, this, std::placeholders::_1);if(passWord.trimmed()!){wstring wPassWordstringToWstring_WindowApi(passWord.toLocal8Bit().toStdString());extractor.setPassword(wPassWord);}extractor.setProgressCallback(pc);extractor.setTotalCallback(tc);extractor.setFileCallback(fc);extractor.extract(wZip, wDir);}catch (const BitException ex){qDebug()extract --- ex.what();emit MessAgeError(QString::fromStdString(ex.what()));return;}
}void Lib_bit7z::compress(const QString sDir, const QString sZip)
{m_nTotalSize 0;wstring wDir stringToWstring_WindowApi(sDir.toLocal8Bit().toStdString());wstring wZip stringToWstring_WindowApi(sZip.toLocal8Bit().toStdString());try{Bit7zLibrary lib(lib_path);BitCompressor compressor(lib, BitFormat::SevenZip);ProgressCallback pc std::bind(Lib_bit7z::callbackProcess, this, std::placeholders::_1);TotalCallback tc std::bind(Lib_bit7z::callbackTotal, this, std::placeholders::_1);FileCallback fc std::bind(Lib_bit7z::callbackFile, this, std::placeholders::_1);if(passWord.trimmed()!){wstring wPassWordstringToWstring_WindowApi(passWord.toLocal8Bit().toStdString());compressor.setPassword(wPassWord);}compressor.setProgressCallback(pc);compressor.setTotalCallback(tc);compressor.setFileCallback(fc);QFile::remove(sZip);compressor.compressDirectory(wDir, wZip); //compressing a directory}catch (const BitException ex){qDebug()extract --- ex.what();emit MessAgeError(QString::fromStdString(ex.what()));}
}
内容扩展
预览内容时获取文件修改时间
宏定义
//FILETIME 时间有效性判断
#define ISTIME(time) ((time.dwLowDateTime0 time.dwHighDateTime0)?FALSE:TRUE)
#define FILETIME_ISVALID(lastcreate,lastwrite,lastaccess) (ISTIME(lastaccess)?lastaccess:(ISTIME(lastwrite)?lastwrite:lastcreate))调用 //items[i] 为BitArchiveItem类型FILETIME TIMEFILETIME_ISVALID((items[i].getProperty(BitProperty::CTime).isFiletime()?items[i].getProperty(BitProperty::CTime).getFiletime():FILETIME()),(items[i].getProperty(BitProperty::ATime).isFiletime()?items[i].getProperty(BitProperty::ATime).getFiletime():FILETIME()),(items[i].getProperty(BitProperty::MTime).isFiletime()?items[i].getProperty(BitProperty::MTime).getFiletime():FILETIME()));
预览内容时获取文件大小
宏定义
#define KB (1024.0)
#define MB (1048576.0)
#define GB (1073741824.0)
#define TB (1099511627776.0)调用 ///获取文件大小static QString Getsize(LONGLONG _size){if(_sizeTB)return QString(%1 TB).arg(QString::number(_size/TB,f,2));if(_sizeGB)return QString(%1 GB).arg(QString::number(_size/GB,f,2));if(_sizeMB)return QString(%1 MB).arg(QString::number(_size/MB,f,2));if(_sizeKB)return QString(%1 KB).arg(QString::number(_size/KB,f,2));elsereturn QString(%1 B).arg(QString::number(_size,f,2));}
