48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
#include <QApplication>
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#include <MainWindow.h>
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#include "common.h"
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int main(int argc, char *argv[]) {
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QApplication a(argc, argv);
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QDir dir("shared_key.txt");
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QByteArray line;
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QFile file("shared_key.txt");
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while(!file.exists())
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{
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dir.mkdir("shared_key.txt");//只创建一级子目录，即必须保证上级目录存在
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file.open(QIODevice::WriteOnly|QIODevice::Text);
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QDateTime current_date_time =QDateTime::currentDateTime();
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QString current_date =current_date_time.toString("hh:mm:ss.zzz");//将时间做为key值写入文件一次
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file.write(current_date.toUtf8());
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file.close();
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break;
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}
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file.open(QIODevice::ReadOnly);
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line=file.readLine();
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file.close();
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QString const key=line;
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QSharedMemory shared_memory;
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shared_memory.setKey(key);//设置固定共享内存段的key值
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if (shared_memory.attach()) //尝试将进程附加到该共享内存段
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{
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QMessageBox messageBox(QMessageBox::Warning,QString::fromUtf8("提示"),QString::QString::fromUtf8("当前程序正在运行中..."));
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messageBox.setButtonText(QMessageBox::Ok,QString::QString::fromUtf8("确认！"));
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messageBox.exec();
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return 0;
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}
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MatrixAILog::Log::SetLogLevel("DEBUG");
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if(shared_memory.create(1)) //创建1byte的共享内存段
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{
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SetConsoleOutputCP(CP_UTF8);
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QApplication::setWindowIcon(QIcon("./logo.ico"));
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MainWindow w;
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w.show();
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return QApplication::exec();
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}
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return QApplication::exec();
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}
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