#include?“log.h“
#include?
#include?

CLog::CLog（）
{

}

void?CLog::WriteLog（QString?str?QString?LogType）
{
????QString?fileFolder=?qApp->applicationDirPath（）+“/log/“+QDateTime::currentDateTime（）.toString（“yyyy-MM-dd“）;
????QDir?dir（fileFolder）;
????if（!dir.exists（））
????{
????????dir.mkpath（fileFolder）;
????}
????QString?filePath=QString（“%1/%2.log“）.arg（fileFolder）.arg（LogType）;
????QString?strToWrite=“日志產生時間：“+QDateTime::currentDateTime（）.toString（“yyyy-MM-dd?hh:mm:ss“）;
????strToWrite.append（QString（“\r\n日志消息：%1“）.arg（str））;
????strToWrite.append（“\r\n---------------------------------------------------------------------“）;
????QFile?file（filePath）;
????file.open（QIODevice::WriteOnly?|?QIODevice::Append）;
????QTextStream?text_stream（&file）;
????text_stream?<????file.flush（）;
????file.close（）;
????//打印到控制臺
????std::cout?<}

//注冊函數
void?CLog::myMessageOutput（QtMsgType?type?const?QMessageLogContext?&context?const?QString?&msg）
{
????static?QMutex?mutex;
????mutex.lock（）;

????QString?txtMessage?=?““;
????QString?messageType?=?““;
????switch?（type）????{
????case?QtDebugMsg:????//調試信息提示
????????messageType?=?“Debug“;
????????txtMessage?=?QString（“Debug:?%1?（%2:%3?%4）\n“）.arg（msg）.arg（context.file）.arg（QString::number（context.line））.arg（context.function）;
????????break;
????case?QtInfoMsg:
????????messageType?=?“Info“;
????????txtMessage?=?QString（“Info:?%1?（%2:%3?%4）\n“）.arg（msg）.arg（context.file）.arg（QString::number（context.line））.arg（context.function）;
????????break;
????case?QtWarningMsg:????//一般的warning提示
????????messageType?=?“Waring“;
????????txtMessage?=?QString（“Warning:?%1?（%2:%3?%4）\n“）.arg（msg）.arg（context.file）.arg（QString::number（context.line））.arg（context.function）;
????????break;
????case?QtCriticalMsg:????//嚴重錯誤提示
????????messageType?=?“Critical“;
????????txtMessage?=?QString（“Critical:?%1?（%2:%3?%4）\n“）.arg（msg）.arg（context.file）.arg（QString::number（context.line））.arg（context.function）;
????????//PostErrorMessage（txtMessagemessageType）;
????????break;
????case?QtFatalMsg:????//致命錯誤提示
????????messageType?=?“Fatal“;
????????txtMessage?=?QString（“Fatal:?%1?（%2:%3?%4）\n“）.arg（msg）.arg（context.file）.arg（QString::number（context.line））.arg（context.function）;
????????abort（）;
????}
????WriteLog（txtMessage?messageType）;
????mutex.unlock（）;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????1173??2020-06-02?10:40??TrafficMonitoring.pro
?????文件????????2548??2020-06-02?17:17??log.cpp
?????文件?????????439??2020-06-02?10:37??log.h
?????文件?????????336??2020-06-03?17:59??main.cpp
?????文件???????14476??2020-06-03?21:32??trafficmonitoring.cpp
?????文件????????1599??2020-06-03?20:41??trafficmonitoring.h
?????文件????????5302??2020-06-03?21:32??trafficmonitoring.ui
?????文件????????1245??2020-06-03?14:32??trafficthread.cpp
?????文件?????????367??2020-06-01?14:17??trafficthread.h