Qt通用方法及类库2

函数名

	//初始化数据库
    static void initDb(const QString &dbName);
    //初始化文件,不存在则拷贝
    static void initFile(const QString &sourceName, const QString &targetName);

    //新建目录
    static void newDir(const QString &dirName);

    //写入消息到额外的的消息日志文件
    static void writeInfo(const QString &info, bool needWrite = false, const QString &filePath = "log");
    static void writeError(const QString &info, bool needWrite = false, const QString &filePath = "log");

    //设置无边框窗体
    static void setFramelessForm(QWidget *widgetMain, QWidget *widgetTitle, QLabel *labIco, QPushButton *btnClose, bool tool = true);

函数体

void QUIHelper::initDb(const QString &dbName)
{
    initFile(QString(":/%1.db").arg(appName()), dbName);
}

void QUIHelper::initFile(const QString &sourceName, const QString &targetName)
{
    //判断文件是否存在,不存在则从资源文件复制出来
    QFile file(targetName);
    if (!file.exists() || file.size() == 0) {
        file.remove();
        QUIHelper::copyFile(sourceName, targetName);
    }
}

void QUIHelper::newDir(const QString &dirName)
{
    QString strDir = dirName;

    //如果路径中包含斜杠字符则说明是绝对路径
    //linux系统路径字符带有 /  windows系统 路径字符带有 :/
    if (!strDir.startsWith("/") && !strDir.contains(":/")) {
        strDir = QString("%1/%2").arg(QUIHelper::appPath()).arg(strDir);
    }

    QDir dir(strDir);
    if (!dir.exists()) {
        dir.mkpath(strDir);
    }
}

void QUIHelper::writeInfo(const QString &info, bool needWrite, const QString &filePath)
{
    if (!needWrite) {
        return;
    }

    QString fileName = QString("%1/%2/%3_runinfo_%4.txt").arg(QUIHelper::appPath())
                       .arg(filePath).arg(QUIHelper::appName()).arg(QDate::currentDate().toString("yyyyMM"));

    QFile file(fileName);
    file.open(QIODevice::WriteOnly | QIODevice::Append | QFile::Text);
    QTextStream stream(&file);
    stream << DATETIME << "  " << info << NEWLINE;
    file.close();
}

void QUIHelper::writeError(const QString &info, bool needWrite, const QString &filePath)
{
    if (!needWrite) {
        return;
    }

    QString fileName = QString("%1/%2/%3_runerror_%4.txt").arg(QUIHelper::appPath())
                       .arg(filePath).arg(QUIHelper::appName()).arg(QDate::currentDate().toString("yyyyMM"));

    QFile file(fileName);
    file.open(QIODevice::WriteOnly | QIODevice::Append | QFile::Text);
    QTextStream stream(&file);
    stream << DATETIME << "  " << info << NEWLINE;
    file.close();
}

void QUIHelper::setFramelessForm(QWidget *widgetMain, QWidget *widgetTitle, QLabel *labIco, QPushButton *btnClose, bool tool)
{
    labIco->setFixedWidth(TitleMinSize);
    btnClose->setFixedWidth(TitleMinSize);
    widgetTitle->setFixedHeight(TitleMinSize);
    widgetTitle->setProperty("form", "title");

    widgetMain->setProperty("form", true);
    widgetMain->setProperty("canMove", true);
    if (tool) {
        widgetMain->setWindowFlags(Qt::Tool | Qt::WindowStaysOnTopHint | Qt::FramelessWindowHint | Qt::X11BypassWindowManagerHint);
    } else {
        widgetMain->setWindowFlags(Qt::WindowStaysOnTopHint | Qt::FramelessWindowHint | Qt::X11BypassWindowManagerHint);
    }
    IconHelper::Instance()->setIcon(labIco, QUIConfig::IconMain, QUIConfig::FontSize + 2);
    IconHelper::Instance()->setIcon(btnClose, QUIConfig::IconClose, QUIConfig::FontSize);
}