运行时间记录.zip

#pragma execution_character_set("utf-8") #include "saveruntime.h" #include "qmutex.h" #include "qdir.h" #include "qfile.h" #include "qapplication.h" #include "qtimer.h" #include "qtextstream.h" #include "qstringlist.h" QScopedPointer<SaveRunTime> SaveRunTime::self; SaveRunTime *SaveRunTime::Instance() { if (self.isNull()) { static QMutex mutex; QMutexLocker locker(&mutex); if (self.isNull()) { self.reset(new SaveRunTime); } } return self.data(); } SaveRunTime::SaveRunTime(QObject *parent) : QObject(parent) { path = qApp->applicationDirPath(); QString str = qApp->applicationFilePath(); QStringList list = str.split("/"); name = list.at(list.count() - 1).split(".").at(0); saveInterval = 1 * 60 * 1000; startTime = QDateTime::currentDateTime(); //存储运行时间定时器 timerSave = new QTimer(this); timerSave->setInterval(saveInterval); connect(timerSave, SIGNAL(timeout()), this, SLOT(saveLog())); } void SaveRunTime::getDiffValue(const QDateTime &startTime, const QDateTime &endTime, int &day, int &hour, int &minute) { qint64 sec = startTime.secsTo(endTime); day = hour = minute = 0; int seconds = 0; while (sec > 0) { seconds++; if (seconds == 60) { minute++; seconds = 0; } if (minute == 60) { hour++; minute = 0; } if (hour == 24) { day++; hour = 0; } sec--; } } void SaveRunTime::start() { if (timerSave->isActive()) { return; } //开始时间变量必须在这,在部分嵌入式系统上开机后的时间不准确比如是1970,而后会变成1999或者其他时间 //会在getDiffValue函数执行很久很久 startTime = QDateTime::currentDateTime(); timerSave->start(); initLog(); appendLog(); saveLog(); } void SaveRunTime::stop() { if (!timerSave->isActive()) { return; } timerSave->stop(); } void SaveRunTime::newPath() { //检查目录是否存在,不存在则先新建 QDir dir(path); if (!dir.exists()) { dir.mkdir(path); } } void SaveRunTime::initLog() { //判断当前年份的记事本文件是否存在,不存在则新建并且写入标题 //存在则自动读取最后一行的id号 记事本文件格式内容 //幢号 开始时间 结束时间 已运行时间 //1 2016-01-01 12:33:33 2016-02-05 12:12:12 day: 0 hour: 0 minute: 0 newPath(); logFile = QString("%1/%2_runtime_%3.txt").arg(path).arg(name).arg(QDate::currentDate().year()); QFile file(logFile); if (file.size() == 0) { if (file.open(QFile::WriteOnly | QFile::Text)) { QString strID = QString("%1\t").arg("编号"); QString strStartTime = QString("%1\t\t").arg("开始时间"); QString strEndTime = QString("%1\t\t").arg("结束时间"); QString strRunTime = QString("%1").arg("已运行时间"); QString line = strID + strStartTime + strEndTime + strRunTime; QTextStream stream(&file); stream << line << "\n"; file.close(); lastID = 0; } } else { if (file.open(QFile::ReadOnly)) { QString lastLine; while (!file.atEnd()) { lastLine = file.readLine(); } file.close(); QStringList list = lastLine.split("\t"); lastID = list.at(0).toInt(); } } lastID++; } void SaveRunTime::appendLog() { newPath(); logFile = QString("%1/%2_runtime_%3.txt").arg(path).arg(name).arg(QDate::currentDate().year()); QFile file(logFile); //写入当前首次运行时间 if (file.open(QFile::WriteOnly | QFile::Append | QFile::Text)) { QString strID = QString("%1\t").arg(lastID); QString strStartTime = QString("%1\t").arg(startTime.toString("yyyy-MM-dd HH:mm:ss")); QString strEndTime = QString("%1\t").arg(QDateTime::currentDateTime().toString("yyyy-MM-dd HH:mm:ss")); int day, hour, minute; getDiffValue(startTime, QDateTime::currentDateTime(), day, hour, minute); QString strRunTime = QString("%1 天 %2 时 %3 分").arg(day).arg(hour).arg(minute); QString line = strID + strStartTime + strEndTime + strRunTime; QTextStream stream(&file); stream << line << "\n"; file.close(); } } void SaveRunTime::saveLog() { //每次保存都是将之前的所有文本读取出来,然后替换最后一行即可 newPath(); logFile = QString("%1/%2_runtime_%3.txt").arg(path).arg(name).arg(QDate::currentDate().year()); QFile file(logFile); //如果日志文件不存在,则初始化一个日志文件 if (file.size() == 0) { initLog(); appendLog(); return; } if (file.open(QFile::ReadWrite)) { //一行行读取到链表 QStringList content; while (!file.atEnd()) { content.append(file.readLine()); } //重新清空文件 file.resize(0); //如果行数小于2则返回 if (content.count() < 2) { file.close(); return; } QString lastLine = content.last(); QStringList list = lastLine.split("\t"); //计算已运行时间 int day, hour, minute; getDiffValue(startTime, QDateTime::currentDateTime(), day, hour, minute); QString strRunTime = QString("%1 天 %2 时 %3 分").arg(day).arg(hour).arg(minute); //重新拼接最后一行 list[2] = QDateTime::currentDateTime().toString("yyyy-MM-dd HH:mm:ss"); list[3] = strRunTime; lastLine = list.join("\t"); //重新替换最后一行并写入新的数据 content[content.count() - 1] = lastLine; QTextStream stream(&file); stream << content.join("") << "\n"; file.close(); } } void SaveRunTime::setPath(const QString &path) { this->path = path; } void SaveRunTime::setName(const QString &name) { this->name = name; } void SaveRunTime::setSaveInterval(int saveInterval) { if (this->saveInterval != saveInterval) { this->saveInterval = saveInterval; timerSave->setInterval(saveInterval); } }