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125 lines
3.5 KiB
125 lines
3.5 KiB
#include "loghandler.h"
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#include <iostream>
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#include <QDebug>
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#include <QDateTime>
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#include <QMutexLocker>
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#include <QDir>
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#include <QFile>
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#include <QFileInfo>
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#include <QTextStream>
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#include <QCoreApplication>
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QMutex g_mutex;
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QFile g_file;
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QTextStream g_stream;
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qint64 g_lastFlushMs = 0;
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constexpr qint64 kLogFlushIntervalMs = 1000;
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// 消息处理函数
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void messageHandler(QtMsgType type, const QMessageLogContext &context, const QString &msg)
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{
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QMutexLocker locker(&g_mutex);
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QString level, colorLevel;
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switch (type)
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{
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case QtDebugMsg:
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level = "DEBUG";
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colorLevel = "\033[36m" + level + "\033[0m"; // 青色
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break;
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case QtInfoMsg:
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level = "INFO ";
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colorLevel = "\033[32m" + level + "\033[0m"; // 绿色
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break;
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case QtWarningMsg:
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level = "WARN ";
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colorLevel = "\033[33m" + level + "\033[0m"; // 黄色
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break;
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case QtCriticalMsg:
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level = "ERROR";
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colorLevel = "\033[31m" + level + "\033[0m"; // 红色
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break;
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case QtFatalMsg:
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level = "FATAL";
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colorLevel = "\033[31m" + level + "\033[0m"; // 红色
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break;
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default:
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break;
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}
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// 输出到日志文件, 格式: 时间 - [Level] (文件名:行数, 函数): 消息
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QString fileName = context.file ? QString::fromUtf8(context.file) : QStringLiteral("unknown");
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int index = fileName.lastIndexOf(QDir::separator());
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if (index >= 0)
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{
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fileName = fileName.mid(index + 1);
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}
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const QString funcName = context.function ? QString::fromUtf8(context.function) : QStringLiteral("unknown");
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QString msgOut = QString("%1-[%2](%3:%4,%5): %6")
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.arg(QDateTime::currentDateTime().toString("yyyy-MM-dd hh:mm:ss.zzz"),colorLevel, fileName, QString(context.line), funcName, msg);
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std::cout << msgOut.toLocal8Bit().constData() << std::endl;
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if (g_file.isOpen())
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{
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g_stream << msgOut << "\n";
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const qint64 now = QDateTime::currentMSecsSinceEpoch();
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if (type >= QtCriticalMsg || now - g_lastFlushMs >= kLogFlushIntervalMs)
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{
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g_stream.flush();
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g_file.flush();
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g_lastFlushMs = now;
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}
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}
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}
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// 给Qt安装消息处理函数
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void LogHandler::installMessageHandler()
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{
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//获取日期
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auto _currentDate = QDateTime::currentDateTime().toString("yyyy-MM-dd");
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//打开/创建文件
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auto _appDirPath = QCoreApplication::applicationDirPath();
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auto _logDirPath = _appDirPath + "/logs/";
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QDir _logDir(_logDirPath);
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if(!_logDir.exists())
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_logDir.mkpath(_logDirPath);
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QString _logPath;
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for(int i = 1; i < 1000; ++i)
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{
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_logPath = _logDirPath + _currentDate + QString("_%1.log").arg(i);
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QFileInfo _fileInfo(_logPath);
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if(!_fileInfo.exists())
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{
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break;
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}
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}
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g_file.setFileName(_logPath);
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if(!g_file.open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Append))
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{
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return;
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}
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g_stream.setDevice(&g_file);
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g_stream.setCodec("UTF-8");
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g_lastFlushMs = QDateTime::currentMSecsSinceEpoch();
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qInstallMessageHandler(messageHandler); // 给 Qt 安装自定义消息处理函数
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}
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// 取消安装消息处理函数并释放资源
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void LogHandler::uninstallMessageHandler()
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{
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QMutexLocker locker(&g_mutex);
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if(g_file.isOpen())
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{
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g_stream.flush();
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g_file.flush();
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g_file.close();
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}
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g_stream.setDevice(nullptr);
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qInstallMessageHandler(nullptr);
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}
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