QFD2/QFD/dbService/SqlDBHelper.cpp

#include "SqlDBHelper.h"
#include <QApplication>
#include <QMessageBox>

bool SqlDBHelper::configFinished  = false;
bool SqlDBHelper::configFinished2 = false;

QSqlDatabase SqlDBHelper::getDatabase(SqlDBHelper::SqlDBType dbType, const QString &connectionName)
{
    switch (dbType) {
    case SqlDBHelper::SqlDBType::SQLITE3: {
        if (configFinished) {
            return SqlFactory::getInstance()->getDatabase();
        } else {

            QString databaseName = "./data/qfd.db";

            SqlFactory::DBSetting setting("QSQLITE", databaseName);
            configFinished = true;
            return SqlFactory::getInstance()->config(setting, connectionName)->getDatabase();
        }
    } break;
    case SqlDBHelper::SqlDBType::MYSQL: {
        if (configFinished) {
            return SqlFactory::getInstance()->getDatabase();
        } else {
            SqlFactory::DBSetting setting("QMYSQL", "localhost", 3306, "root", "123456", "qfd");
            configFinished = true;
            return SqlFactory::getInstance()->config(setting, connectionName)->getDatabase();
        }
    } break;
    }

    QMessageBox::critical(nullptr, QObject::tr("数据库连接异常"), QObject::tr("请检查数据库配置文件是否正常"));

    QApplication::exec();

    return SqlFactory::getInstance()->getDatabase(nullptr);
}

QSqlDatabase SqlDBHelper::getDatabase2(SqlDBHelper::SqlDBType dbType, const QString &connectionName)
{
    switch (dbType) {
    case SqlDBHelper::SqlDBType::SQLITE3: {
        if (configFinished2) {
            return SqlFactory::getInstance2()->getDatabase();
        } else {

            QString databaseName = "./nodeData/node.db";

            SqlFactory::DBSetting setting("QSQLITE", databaseName);
            configFinished2 = true;
            return SqlFactory::getInstance2()->config(setting, connectionName)->getDatabase();
        }
    } break;
    case SqlDBHelper::SqlDBType::MYSQL: {
        if (configFinished2) {
            return SqlFactory::getInstance2()->getDatabase();
        } else {
            SqlFactory::DBSetting setting("QMYSQL", "localhost", 3306, "root", "123456", "qfd");
            configFinished2 = true;
            return SqlFactory::getInstance2()->config(setting, connectionName)->getDatabase();
        }
    } break;
    }

    QMessageBox::critical(nullptr, QObject::tr("数据库连接异常"), QObject::tr("请检查数据库配置文件是否正常"));

    QApplication::exec();

    return SqlFactory::getInstance2()->getDatabase(nullptr);
}