1 增加数据核心执行类支持多线程
2 增加参数设置窗口 3 设计参数设置的基本选择控件类
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xyylMCWEACSystem/SqlCore.cpp
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202
xyylMCWEACSystem/SqlCore.cpp
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#include "CSqlCore.h"
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#include <QThread>
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#include <QDebug>
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#include <QSqlError>
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#include <QFile>
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#include "global_log.h"
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using namespace UiFramework;
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QMap<QString, QMap<QString, QMutex*>> CSqlCore::mutexMap;
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QString CSqlCore::msDriverName;
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QString CSqlCore::msPasswd;
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QString CSqlCore::msUserName;
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QString CSqlCore::msDBFile;
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QMutex CSqlCore::mWriteMutex;
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void CSqlCore::init(QString sDriver, QString sUser, QString sPasswd, QString sDBFile)
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{
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QByteArray base64User(sUser.toUtf8());
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QByteArray base64Passwd(sPasswd.toUtf8());
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msDriverName = sDriver;
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msUserName = base64User.toBase64();
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msPasswd = base64Passwd.toBase64();
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msDBFile = sDBFile;
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}
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bool CSqlCore::setKey(QString sDriver,QString sConnect, QString sUser, QString sPasswd, QString sdbFile)
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{
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bool ok = false;
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QSqlDatabase dataBase = QSqlDatabase::addDatabase(sDriver, sConnect);
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if (QFile::exists(sdbFile))
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{
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QByteArray base64User(sUser.toUtf8());
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QByteArray base64Passwd(sPasswd.toUtf8());
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dataBase.setUserName(base64User.toBase64());
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dataBase.setDatabaseName(sdbFile);//
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dataBase.setPassword(base64Passwd.toBase64());
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if (sPasswd.isEmpty())
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{
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dataBase.setConnectOptions("QSQLITE_REMOVE_KEY");
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logInfo() << QString::fromLocal8Bit("解密") << endl;
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}
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else
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{
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dataBase.setConnectOptions("QSQLITE_CREATE_KEY");
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logInfo() << QString::fromLocal8Bit("加密") << endl;
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}
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if (!dataBase.open())
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{
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logError() << QString::fromLocal8Bit("密码错误") << endl;
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ok = false;
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}
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else
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{
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ok = true;
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}
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}
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dataBase.close();
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return ok;
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}
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bool CSqlCore::updateKey(QString NewsPasswd, QString oldPasswd)
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{
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bool ok = false;
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getSqlDataBase().setPassword(oldPasswd);
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getSqlDataBase().setConnectOptions("QSQLITE_UPDATE_KEY=" + NewsPasswd);
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ok = getSqlDataBase().open();
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if (!ok)
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{
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logError() << "updatePasswd: " << getSqlDataBase().lastError().driverText();
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ok = false;
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}
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return ok;
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}
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bool CSqlCore::execute(QString sql )
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{
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QMutexLocker lockTemp(&mWriteMutex);
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QString connName = QString("%1(%2)").arg(msDBFile).arg(QString::number(qint64(QThread::currentThread()), 16));//文件名 + 线程
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//qDebug() << "execute:" << connName << endl;
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QSqlDatabase t = getSqlDataBase( );
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mutexMap[msDBFile][connName]->lock();
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if (!t.isOpen())
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t.open(msUserName,msPasswd);
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QSqlQuery sqlQuery(t);
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bool flag = sqlQuery.exec(sql);
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if (!flag)
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{
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logError() << connName << sqlQuery.lastError().text() << endl;
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}
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mutexMap[msDBFile][connName]->unlock();
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return flag;
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}
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QSharedPointer<QSqlQuery> CSqlCore::select(QString sql)
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{
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//QMutexLocker lockTemp(&mWriteMutex);
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QString connName = QString("%1(%2)").arg(msDBFile).arg(QString::number(qint64(QThread::currentThread()), 16));//文件名 + 线程
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//qDebug() << "select:" << connName << endl;
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QSqlDatabase t = getSqlDataBase();
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mutexMap[msDBFile][connName]->lock();
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if (!t.isOpen())
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t.open(msUserName,msPasswd);
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// QSqlQuery *sqlQuery = new QSqlQuery(t);
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//QSharedPointer<QSqlQuery> sqlQuery = new QSharedPointer<QSqlQuery(t)>;
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QSharedPointer<QSqlQuery> sqlQuery = QSharedPointer<QSqlQuery>(new QSqlQuery(t));
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if (!sqlQuery->exec(sql)) {
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logError() << "CSqlCore::select() sql = " << sql << sqlQuery->lastError().text() << " failed!" << endl;
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}
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mutexMap[msDBFile][connName]->unlock();
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return sqlQuery;
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}
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QSharedPointer<QSqlQuery> CSqlCore::select(QString sql, bool& ok)
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{
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//QMutexLocker lockTemp(&mWriteMutex);
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QString connName = QString("%1(%2)").arg(msDBFile).arg(QString::number(qint64(QThread::currentThread()), 16));//文件名 + 线程
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//qDebug() << "select:" << connName << endl;
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QSqlDatabase t = getSqlDataBase();
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mutexMap[msDBFile][connName]->lock();
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if (!t.isOpen())
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t.open(msUserName, msPasswd);
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// QSqlQuery *sqlQuery = new QSqlQuery(t);
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//QSharedPointer<QSqlQuery> sqlQuery = new QSharedPointer<QSqlQuery(t)>;
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QSharedPointer<QSqlQuery> sqlQuery = QSharedPointer<QSqlQuery>(new QSqlQuery(t));
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ok = sqlQuery->exec(sql);
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if (!ok)
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{
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logError() << "CSqlCore::select() sql = " << sql << sqlQuery->lastError().text() << " failed!" << endl;
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}
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mutexMap[msDBFile][connName]->unlock();
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return sqlQuery;
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}
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void CSqlCore::destroyConn()
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{
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QString connName = QString("%1(%2)").arg(msDBFile).arg(QString::number(qint64(QThread::currentThread()), 16));//文件名 + 线程
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//qDebug() << "destroyConn:" << connName << endl;
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if (!QSqlDatabase::contains( connName))
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return;
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QSqlDatabase t = QSqlDatabase::database(connName);
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if (t.isOpen())
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t.close();
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QSqlDatabase::removeDatabase( connName);
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delete mutexMap[msDBFile][connName];
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mutexMap[msDBFile].remove(connName);
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if (mutexMap[msDBFile].keys().length() == 0)
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mutexMap.remove(msDBFile);
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}
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void CSqlCore::destroyOneDBConn()
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{
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// foreach (QString i, mutexMap[msDBFile].keys())
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{
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destroyConn();
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}
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}
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void CSqlCore::destroyAllDBConn()
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{
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// foreach (QString i, mutexMap.keys())
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// {
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destroyOneDBConn();
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// }
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}
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QSqlDatabase CSqlCore::getSqlDataBase()
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{
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QString connName = QString("%1(%2)").arg(msDBFile).arg(QString::number(qint64(QThread::currentThread()), 16));//文件名 + 线程
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if (!QSqlDatabase::contains(connName))
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{
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QSqlDatabase database = QSqlDatabase::addDatabase(msDriverName, connName);
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database.setDatabaseName(msDBFile);
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database.setUserName(msUserName);
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database.setPassword(msPasswd);
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if (!mutexMap.contains(msDBFile))
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{
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QMap<QString, QMutex*> tMap;
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mutexMap.insert(msDBFile, tMap);
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}
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if (database.isOpen() || database.open())
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{
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QSqlQuery query(database);
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query.exec("PRAGMA journal_mode=WAL;"); // 设置WAL模式
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query.finish();
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query.clear();
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}
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else
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{
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logWarning() << "DB open failed! " << database.lastError().text() << endl;
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}
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QMutex *mutex = new QMutex();
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mutexMap[msDBFile].insert(connName, mutex);
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}
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return QSqlDatabase::database( connName);
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}
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57
xyylMCWEACSystem/SqlCore.h
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xyylMCWEACSystem/SqlCore.h
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#pragma execution_character_set("utf-8")
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#ifndef CSqlCore_H
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#define CSqlCore_H
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/*
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\author: zym
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\brief :
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\version 1.0
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\note
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\CopyRight:zym
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*/
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#include <QObject>
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#include <QSqlDatabase>
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#include <QSqlQuery>
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#include <QMutex>
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#include <QMap>
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#include <QSharedPointer>
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//数据库操作类
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//使用QMutex 对 连接 加锁，适用于多线程
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//但建议经常同时操作同一数据库的线程 使用 不同的连接名，因为锁的互斥等待会增大处理时间
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//（数据库中实际的连接名是"dbFile+connName"，但若使用此类的封装则不用关心实际的连接名）
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namespace UiFramework
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{
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class CSqlCore : public QObject
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{
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Q_OBJECT
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public:
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//以connName连接对数据库dbFile执行sql语句，该sql语句无返回值，函数返回执行成功/失败
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//若该连接已存在则则获取，不存在则创建再获取
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static bool execute(QString sql);
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static QSharedPointer<QSqlQuery>select(QString sql, bool& ok);
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//以connName连接对数据库dbFile执行sql语句，该sql语句有返回值，通过QSqlQuery::next()不断获取数据行
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//若该连接已存在则则获取，不存在则创建再获取
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static QSharedPointer<QSqlQuery>select(QString sql);
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//删除db文件dbFile的connName连接和其对应的锁
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static void destroyConn();
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//删除db文件dbFile的所有连接和锁
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static void destroyOneDBConn();
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//删除所有db文件的所有连接和锁
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static void destroyAllDBConn();
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static QSqlDatabase getSqlDataBase();
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static void init(QString sDriver, QString sUser, QString sPasswd, QString sDBFile);
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static bool setKey(QString sDriver, QString sConnect, QString sUser, QString sPasswd, QString sdbFile);
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static bool updateKey(QString NewsPasswd, QString oldPasswd);
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private:
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//获取对于dbFile文件的数据库连接connName
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//有则返回，没有则创建再返回
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//同步锁，外层key是db文件名，内层key是该db文件的数据库连接名
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static QMap<QString, QMap<QString, QMutex*>> mutexMap;
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static QString msDriverName;
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static QString msUserName;
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static QString msPasswd;
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static QString msDBFile;
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static QMutex mWriteMutex;
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};
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}
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#endif // CSqlCore_H
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0
xyylMCWEACSystem/parametersettingswidget.cpp
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0
xyylMCWEACSystem/parametersettingswidget.cpp
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4
xyylMCWEACSystem/parametersettingswidget.h
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4
xyylMCWEACSystem/parametersettingswidget.h
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#ifndef PARAMETERSETTINGSWIDGET_H
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#define PARAMETERSETTINGSWIDGET_H
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#endif // PARAMETERSETTINGSWIDGET_H
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