qt_demoe/control/saveruntime/saveruntime.cpp

234 lines
6.3 KiB
C++

#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);
}
}