version-pc-pid-upload/hostthread.cpp

#include "hostthread.h"
#include "qdebug.h"

#include <QFile>
#include <QString>
#include <QTextStream>

static bool modifyHostsFile(const QString &hostname, const QString &ipAddress)
{
    QString hostsFilePath;

#ifdef Q_OS_WIN
    hostsFilePath = "C:/Windows/System32/drivers/etc/hosts";
#else
    hostsFilePath = "/etc/hosts";
#endif

    // 打开hosts文件
    QFile file(hostsFilePath);
    if (!file.open(QIODevice::ReadWrite | QIODevice::Text)) {
        qWarning() << "无法打开文件" << hostsFilePath;
        return false;
    }

    // 读取文件内容
    QTextStream stream(&file);
    QString fileContent = stream.readAll();
    qDebug() << fileContent;
    // 检查是否已经包含该映射
    if (fileContent.contains(hostname)) {
        qDebug() << "该域名映射已经存在";
        file.close();
        return true;
    }

    // 添加新的映射
    file.seek(file.size());                         // 将文件指针移动到文件末尾
    stream << "\n" << ipAddress << " " << hostname; // 添加映射

    file.close();
    qDebug() << "已成功修改 hosts 文件";
    return true;
}

HostThread::HostThread()
{
    if (modifyHostsFile("example.com", "127.0.0.1")) {
        qDebug() << "Hosts 文件已成功更新。";
    } else {
        qDebug() << "修改失败。";
    }
}