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  • Qt获取EXE版本信息(Qt5+win10)(LPCWSTR、std::wstring)

     

    相关资料:

    https://blog.csdn.net/scz653037148/article/details/83307252         Qt 获取exe版本等详细信息

    https://blog.csdn.net/qq_33233768/article/details/81665275          QString与std::wstring的转换问题

    https://download.csdn.net/download/zhujianqiangqq/72408654        CSDN代码包下载

    代码:

    .pro

     1 QT       += core gui
     2 
     3 greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
     4 
     5 CONFIG += c++11
     6 
     7 # The following define makes your compiler emit warnings if you use
     8 # any Qt feature that has been marked deprecated (the exact warnings
     9 # depend on your compiler). Please consult the documentation of the
    10 # deprecated API in order to know how to port your code away from it.
    11 DEFINES += QT_DEPRECATED_WARNINGS
    12 
    13 # You can also make your code fail to compile if it uses deprecated APIs.
    14 # In order to do so, uncomment the following line.
    15 # You can also select to disable deprecated APIs only up to a certain version of Qt.
    16 #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
    17 
    18 SOURCES += \
    19     main.cpp \
    20     mainwindow.cpp
    21 
    22 HEADERS += \
    23     mainwindow.h
    24 
    25 FORMS += \
    26     mainwindow.ui
    27 
    28 #LIBS += -lUser32
    29 LIBS += -lVersion
    30 
    31 # Default rules for deployment.
    32 qnx: target.path = /tmp/$${TARGET}/bin
    33 else: unix:!android: target.path = /opt/$${TARGET}/bin
    34 !isEmpty(target.path): INSTALLS += target
    View Code

    main.h

     1 #include "mainwindow.h"
     2 
     3 #include <QApplication>
     4 
     5 int main(int argc, char *argv[])
     6 {
     7     QApplication a(argc, argv);
     8     MainWindow w;
     9     w.show();
    10     return a.exec();
    11 }
    View Code

    mainwindow.h

     1 #ifndef MAINWINDOW_H
     2 #define MAINWINDOW_H
     3 
     4 #include <Windows.h>
     5 #include "winver.h"
     6 #include <QMainWindow>
     7 #include <QDebug>
     8 
     9 using namespace std;
    10 
    11 QT_BEGIN_NAMESPACE
    12 namespace Ui { class MainWindow; }
    13 QT_END_NAMESPACE
    14 
    15 class MainWindow : public QMainWindow
    16 {
    17     Q_OBJECT
    18 
    19 public:
    20     MainWindow(QWidget *parent = nullptr);
    21     ~MainWindow();
    22 
    23 private slots:
    24     void on_pushButton_clicked();
    25 
    26 private:
    27     Ui::MainWindow *ui;
    28 };
    29 #endif // MAINWINDOW_H
    View Code

    mainwindow.cpp

      1 #include "mainwindow.h"
      2 #include "ui_mainwindow.h"
      3 
      4 MainWindow::MainWindow(QWidget *parent)
      5     : QMainWindow(parent)
      6     , ui(new Ui::MainWindow)
      7 {
      8     ui->setupUi(this);
      9 }
     10 
     11 MainWindow::~MainWindow()
     12 {
     13     delete ui;
     14 }
     15 
     16 std::wstring qToStdWString(const QString &str)
     17 {
     18 #ifdef _MSC_VER
     19  return std::wstring((const wchar_t *)str.utf16());
     20 #else
     21  return str.toStdWString();
     22 #endif
     23 }
     24 
     25 QString GetFileVertion(QString fullName){
     26     DWORD dwLen = 0;
     27     char* lpData=NULL;
     28     LPCWSTR  str_path;
     29     std::wstring ss = qToStdWString(fullName);
     30     str_path = ss.c_str();
     31     BOOL bSuccess = FALSE;
     32     QString fileInfomation;
     33     DWORD vHandle=0;
     34     //获得文件基础信息 【Q tea  原创】
     35     //--------------------------------------------------------
     36     dwLen = GetFileVersionInfoSize( str_path, &vHandle);
     37     qDebug()<<"GetLastError:" << GetLastError();
     38     if (0 == dwLen)
     39     {
     40     qDebug()<<"获取版本字节信息失败!";
     41     return"";
     42     }
     43     qDebug()<<"版本信息字节大小:"<<dwLen;
     44     lpData =(char*)malloc(dwLen+1);
     45     if (NULL == lpData)
     46     {
     47         qDebug()<<"分配内存失败";
     48      return "";
     49     }
     50     bSuccess = GetFileVersionInfo( fullName.toStdWString().c_str(),0, dwLen+1, lpData);
     51     if (!bSuccess)
     52     {
     53     qDebug()<<"获取文件版本信息错误!";
     54 
     55     return"";
     56     }
     57     LPVOID lpBuffer = NULL;
     58     UINT uLen = 0;
     59 
     60     //获得语言和代码页(language and code page),规定,套用即可
     61     //---------------------------------------------------
     62    bSuccess = VerQueryValue( lpData,
     63     (TEXT("\\VarFileInfo\\Translation")),
     64     &lpBuffer,
     65     &uLen);
     66     QString strTranslation,str1,str2;
     67     unsigned short int *p =(unsigned short int *)lpBuffer;
     68     str1.setNum(*p,16);
     69     str1="000"+ str1;
     70     strTranslation+= str1.mid(str1.size()-4,4);
     71     str2.setNum(*(++p),16);
     72     str2="000"+ str2;
     73     strTranslation+= str2.mid(str2.size()-4,4);
     74 
     75     QString str_value;
     76      QString code;
     77     //以上步骤需按序进行,以下步骤可根据需要增删或者调整
     78 
     79     //获得文件说明:FileDescription
     80     //---------------------------------------------------------
     81     code ="\\StringFileInfo\\"+ strTranslation +"\\FileDescription";
     82     bSuccess = VerQueryValue(lpData,
     83     (code.toStdWString().c_str()),
     84     &lpBuffer,
     85     &uLen);
     86     if (!bSuccess)
     87     {
     88     qDebug()<<"Get file verstion error!";
     89     }
     90     else
     91     {
     92     str_value="文件说明:" + QString::fromUtf16((const unsigned short int *)lpBuffer)+"\n";
     93     fileInfomation +=str_value;
     94 }
     95     //获得文件版本信息:FileVersion
     96     //-----------------------------------------------------
     97      code ="\\StringFileInfo\\"+ strTranslation +"\\FileVersion";
     98     bSuccess = VerQueryValue(lpData,
     99     (code.toStdWString().c_str()),
    100     &lpBuffer,
    101     &uLen);
    102     if (!bSuccess)
    103     {
    104     qDebug()<<"获取文件版本信息错误!";
    105 
    106     }
    107     else
    108     {
    109     str_value="文件版本信息:" + QString::fromUtf16((const unsigned short int *)lpBuffer)+"\n";
    110     fileInfomation +=str_value;
    111     }
    112     //获得文件产品名称
    113     //---------------------------------------------------------
    114     code ="\\StringFileInfo\\"+ strTranslation +"\\ProductName";
    115     bSuccess = VerQueryValue(lpData,
    116     (code.toStdWString().c_str()),
    117     &lpBuffer,
    118     &uLen);
    119     if (!bSuccess)
    120     {
    121     qDebug()<<"Get file ProductName error!";
    122 
    123     }
    124     else
    125     {
    126     str_value="产品名称:" + QString::fromUtf16((const unsigned short int *)lpBuffer)+"\n";
    127     fileInfomation +=str_value;
    128    }
    129     //获得产品版本信息:ProductVersion
    130     //-----------------------------------------------------
    131      code ="\\StringFileInfo\\"+ strTranslation +"\\ProductVersion";
    132     bSuccess = VerQueryValue(lpData,
    133     (code.toStdWString().c_str()),
    134     &lpBuffer,
    135     &uLen);
    136     if (!bSuccess)
    137     {
    138     qDebug()<<"获取产品版本信息错误!";
    139 
    140     }
    141     else
    142     {
    143     str_value="产品版本信息:" + QString::fromUtf16((const unsigned short int *)lpBuffer)+"\n";
    144     fileInfomation +=str_value;
    145     }
    146     //获得文件内部名称 InternalName
    147     //---------------------------------------------------------
    148     code ="\\StringFileInfo\\"+ strTranslation +"\\InternalName";
    149     bSuccess = VerQueryValue(lpData,
    150     (code.toStdWString().c_str()),
    151     &lpBuffer,
    152     &uLen);
    153     if (!bSuccess)
    154     {
    155     qDebug()<<"Get file InternalName error!";
    156 
    157     }
    158     else
    159     {
    160     str_value="内部名称:" + QString::fromUtf16((const unsigned short int *)lpBuffer)+"\n";
    161     fileInfomation +=str_value;
    162    }
    163 
    164 
    165     //获得原始文件名 OriginalFileName
    166     //---------------------------------------------------------
    167     code ="\\StringFileInfo\\"+ strTranslation +"\\OriginalFileName";
    168     bSuccess = VerQueryValue(lpData,
    169     (code.toStdWString().c_str()),
    170     &lpBuffer,
    171     &uLen);
    172     if (!bSuccess)
    173     {
    174     qDebug()<<"Get file OriginalFileName error!";
    175 
    176     }
    177     else
    178     {
    179     str_value="原始文件名:" + QString::fromUtf16((const unsigned short int *)lpBuffer)+"\n";
    180     fileInfomation +=str_value;
    181 }
    182     //获得合法版权 LegalTradeMarks 【Q tea  原创】
    183     //---------------------------------------------------------
    184     code ="\\StringFileInfo\\"+ strTranslation +"\\Type";
    185     bSuccess = VerQueryValue( lpData,
    186     (code.toStdWString().c_str()),
    187     &lpBuffer,
    188     &uLen);
    189     if (!bSuccess)
    190     {
    191     qDebug()<<"Get file LegalTradeMarks error!";
    192 
    193 
    194     }
    195     else
    196     {
    197     str_value="版权:" + QString::fromUtf16((const unsigned short int *)lpBuffer)+"\n";
    198     fileInfomation +=str_value;
    199    }
    200 
    201 delete lpData;
    202 
    203 return fileInfomation;
    204 }
    205 
    206 void MainWindow::on_pushButton_clicked()
    207 {
    208     ui->textEdit->append(GetFileVertion(QString("D:/vrtsconApp.exe")));
    209 }
    View Code

    问题描述:
    在qt工程中调用QString::fromStdWString()时,老是报错error LNK2019: 无法解析的外部符号...QString::fromStdWString(...)...

    原因:
    在Qt库中 wchar_t 不是内置类型,所以QT建议我们构建基于Qt的软件时,也不要将wchar_t作为内置类型。但是在一些情况下,其他的库构建时可能已经将wchar_t作为了内置类型。当使用std::wstring、QString::toStdWString()和String::fromStdWString() 将导致链接错误.

    解决方案:
    QString转成std::wstring:
    /*! Convert an QString to a std::wstring */
    std::wstring qToStdWString(const QString &str)
    {
    #ifdef _MSC_VER
    return std::wstring((const wchar_t *)str.utf16());
    #else
    return str.toStdWString();
    #endif
    }

    std::wstring转成QString:
    /*! Convert an std::wstring to a QString */
    QString stdWToQString(const std::wstring &str)
    {
    #ifdef _MSC_VER
    return QString::fromUtf16((const ushort *)str.c_str());
    #else
    return QString::fromStdWString(str);
    #endif

    作者:疯狂Delphi
    本文版权归作者和博客园共有,欢迎转载,但未经作者同意必须保留此段声明,且在文章页面明显位置给出原文连接,否则保留追究法律责任的权利.

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  • 原文地址:https://www.cnblogs.com/FKdelphi/p/15750822.html
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