Qt5 QProcess的使用和readAllStandardOutput()中文乱码的解决

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#include <QCoreApplication>#include <QProcess>#include <QDebug>#include <string>#include <iostream>using namespace std;//本cpp文件请使用utf-8格式编码(注：不是以utf-8无bom格式编码)，参考工具notepad++void test001(){    QProcess pro;    pro.start("ping");//测试linux 和window    pro.waitForFinished();    string str1 = "111中文";    QByteArray all = pro.readAll();    if(all.isEmpty())    {        all=pro.readAllStandardOutput();        if(all.isEmpty())        {            all=pro.readAllStandardError();        }    }    char* myChar = new char[all.length()];    for(int i=0; i<all.length();i++)    {        myChar[i] = all[i];    }    string str2 = string(myChar);    cout<<str2<<endl;//qt5 可以输出中文    cout<<"=============="<<endl;    cout<<string(all.data())<<endl;//qt5 可以输出中文    cout<<"=============="<<endl;    cout<<str1<<endl;    delete []myChar;    QString qstr1=QString::fromStdString(str1);    qDebug()<<qstr1<<endl;  //中文乱码    qstr1=QString::fromLocal8Bit(str1.c_str());    qDebug()<<qstr1<<endl;  //中文显示正常，但是这里显示的是unicode编码    qstr1=QString::fromStdString(str2);    qDebug()<<qstr1<<endl;  //中文乱码    qstr1=QString::fromLocal8Bit(str2.c_str());    qDebug()<<qstr1<<endl;  //中文显示正常，但是这里显示的是unicode编码    qstr1=QString::fromLocal8Bit(all);    qDebug()<<qstr1<<endl;  //中文显示正常，但是这里显示的是unicode编码}void test002(){    QProcess process;    process.start("ping");    process.waitForFinished();    QByteArray all=process.readAll();    if(all.isEmpty())    {        all=process.readAllStandardOutput();        if(all.isEmpty())        {            all=process.readAllStandardError();        }    }    cout<<string(all.data())<<endl;    QString result=QString(all);    qDebug()<<"result="<<result<<endl;    result=QString::fromLocal8Bit(all.data());    qDebug()<<"result2="<<result<<endl;}void test003(){    QString apkpath="d:/mlgx.apk";    QString cmd="jarsigner -verify -verbose -certs "+apkpath;    qDebug()<<"jarsigner "<<cmd<<endl;    QProcess process;    process.start(cmd);    process.waitForFinished();    QByteArray all=process.readAll();    if(all.isEmpty())    {        all=process.readAllStandardOutput();        if(all.isEmpty())        {            all=process.readAllStandardError();        }    }    cout<<string(all.data())<<endl;   // QString result=QString(all);   // qDebug()<<"result="<<result<<endl;    QString result=QString::fromLocal8Bit(all.data());    qDebug()<<"result2="<<result<<endl;}//Qt5 QProcess的使用和readAllStandardOutput()中文乱码的解决int main(int argc, char *argv[]){    QCoreApplication a(argc, argv);   test001();   test002();   test003();    QString line("你好");    QString data=QStringLiteral(" 到底乱码还是unicode输出");    qDebug()<<"test中文"<<line<<data<<endl;    cout<<"test中文"<<QString(line.toUtf8()).toLocal8Bit().data()<<data.toLocal8Bit().data()<<endl;    cout<<"test中文"<<line.toStdString()<<data.toLocal8Bit().data()<<endl;    return a.exec();}
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