QtDateTimeEx

update QtDateTimeEx
This commit is contained in:
touwoyimuli 2019-08-24 19:31:03 +08:00
parent 2226d98869
commit b935054d55
6 changed files with 396 additions and 0 deletions

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#include "ExDateTime.h"
#include "ui_ExDateTime.h"
#include <QDateTime>
ExDateTime::ExDateTime(QWidget *parent) :
QWidget(parent),
ui(new Ui::ExDateTime)
{
ui->setupUi(this);
setWindowTitle(QObject::tr("时间日期(QTime/QDate/QDateTime)和定时器(QTimer)"));
//editDate控件在UI设计师里面选中了calendarPopup 日历弹出的属性和displayFormat显示格式
m_timer = new QTimer(this);
m_timer->stop(); //关闭定时器
m_timer->setInterval(1000); //设定定时周期, 单位 毫秒
connect(m_timer, SIGNAL(timeout()), this, SLOT(onTimerOut()));
}
ExDateTime::~ExDateTime()
{
delete ui;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//获取当前日期和时间,该日期时间栏里面显示
void ExDateTime::on_btnGetDateTime_clicked()
{
QDateTime currDateTime = QDateTime::currentDateTime();
ui->timeEdit->setTime(currDateTime.time());
ui->editTime->setText(currDateTime.toString("hh:mm:ss:zzz"));
ui->dateEdit->setDate(currDateTime.date());
ui->editDate->setText(currDateTime.toString("yyyy-MM-dd"));
ui->dateTimeEdit->setDateTime(currDateTime);
ui->editDateTime->setText(currDateTime.toString("yyyy-MM-dd hh:mm:ss:zzz"));
ui->labCurrDataTime->setText(currDateTime.toString("yyyy-MM-dd hh:mm:ss:zzz"));
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//计时器开始
void ExDateTime::on_btnStatrt_clicked()
{
m_time.start(); //计时器开始
m_timer->start(); //定时器开始
ui->btnStatrt->setEnabled(false); //开始按下之后,开始按钮禁用
ui->btnStop->setEnabled(true); //同时结束按钮可用
ui->btnPeriod->setEnabled(false); //设定周期的按钮为禁用
ui->labGo->setText(QString("时间流逝在后台计算中..."));
}
//计时器结束
void ExDateTime::on_btnStop_clicked()
{
m_timer->stop(); //定时器停止
ui->btnStop->setEnabled(false); //结束按下之后,结束按钮禁用
ui->btnStatrt->setEnabled(true); //同时开始按钮可用
int tmMsec = m_time.elapsed(); //计时器Time没有对应的stop(), elapsed获取它的毫秒数
int ms = tmMsec % 1000; //经过的毫秒
int sec = tmMsec / 1000; //经过的秒
ui->btnPeriod->setEnabled(true); //设定周期的按钮为可用
ui->labGo->setText(QString("时间已经流逝:%1 秒 %2 毫秒").arg(sec).arg(ms));
}
//处理定时器的槽函数
void ExDateTime::onTimerOut()
{
QTime currTime = QTime::currentTime();
ui->lcdHH->display(currTime.hour()); //多种显示时间方法
ui->lcdmm->display(currTime.toString("mm"));
ui->lcdSS->display(currTime.toString("ss"));
int val = ui->progressBar->value(); //设置进度条同时增加
val++;
if (val > 100)
val = 0;
ui->progressBar->setValue(val);
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//选择日历时间
void ExDateTime::on_calendarWidget_selectionChanged()
{
QDate date =ui->calendarWidget->selectedDate();
ui->editChoose->setText(date.toString("yyyy年MM月dd日"));
}
//设定定时器QTimer周期
void ExDateTime::on_btnPeriod_clicked()
{
m_timer->setInterval(ui->spinBox->value());
}

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QtDateTimeEx/ExDateTime.h Normal file
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#ifndef EXDATETIME_H
#define EXDATETIME_H
#include <QWidget>
#include <QTimer>
#include <QTime>
namespace Ui {
class ExDateTime;
}
class ExDateTime : public QWidget
{
Q_OBJECT
public:
explicit ExDateTime(QWidget *parent = nullptr);
~ExDateTime();
private slots:
void on_btnGetDateTime_clicked();
void on_btnStatrt_clicked();
void on_btnStop_clicked();
void onTimerOut(); //处理计时器的信号的槽函数
void on_calendarWidget_selectionChanged();
void on_btnPeriod_clicked();
private:
Ui::ExDateTime *ui;
QTimer* m_timer; //定时器(不可见控件)
QTime m_time; //计时器(此处用作)
};
#endif // EXDATETIME_H

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QtDateTimeEx/ExDateTime.ui Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>ExDateTime</class>
<widget class="QWidget" name="ExDateTime">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>843</width>
<height>333</height>
</rect>
</property>
<property name="windowTitle">
<string>ExDateTime</string>
</property>
<layout class="QGridLayout" name="gridLayout_7">
<item row="0" column="0">
<widget class="QGroupBox" name="groupBox">
<property name="title">
<string>日期时间QTime、QDate、QDateTime</string>
</property>
<layout class="QGridLayout" name="gridLayout_2">
<item row="0" column="0">
<layout class="QGridLayout" name="gridLayout">
<item row="0" column="0" colspan="2">
<widget class="QPushButton" name="btnGetDateTime">
<property name="text">
<string>获取当前时间日期</string>
</property>
</widget>
</item>
<item row="4" column="0">
<widget class="QLabel" name="labDateTime">
<property name="text">
<string>日期时间</string>
</property>
</widget>
</item>
<item row="3" column="0">
<widget class="QLabel" name="labDate">
<property name="text">
<string>日 期</string>
</property>
</widget>
</item>
<item row="2" column="2">
<widget class="QLineEdit" name="editTime"/>
</item>
<item row="3" column="2">
<widget class="QLineEdit" name="editDate"/>
</item>
<item row="4" column="2">
<widget class="QLineEdit" name="editDateTime"/>
</item>
<item row="0" column="2" colspan="2">
<widget class="QLabel" name="labCurrDataTime">
<property name="text">
<string>当前时间:</string>
</property>
</widget>
</item>
<item row="2" column="0">
<widget class="QLabel" name="labTime">
<property name="text">
<string>时 间</string>
</property>
</widget>
</item>
<item row="2" column="1">
<widget class="QTimeEdit" name="timeEdit">
<property name="minimumSize">
<size>
<width>150</width>
<height>0</height>
</size>
</property>
<property name="calendarPopup">
<bool>true</bool>
</property>
</widget>
</item>
<item row="3" column="1">
<widget class="QDateEdit" name="dateEdit">
<property name="displayFormat">
<string>yyyy年MM月dd日</string>
</property>
<property name="calendarPopup">
<bool>true</bool>
</property>
</widget>
</item>
<item row="4" column="1">
<widget class="QDateTimeEdit" name="dateTimeEdit"/>
</item>
</layout>
</item>
</layout>
</widget>
</item>
<item row="0" column="1" rowspan="2">
<widget class="QGroupBox" name="groupBox_3">
<property name="title">
<string>日历组件Calendar Widget</string>
</property>
<layout class="QGridLayout" name="gridLayout_6">
<item row="0" column="0">
<layout class="QGridLayout" name="gridLayout_5">
<item row="0" column="0">
<widget class="QLabel" name="labChoose">
<property name="text">
<string>选择的日期:</string>
</property>
</widget>
</item>
<item row="0" column="1">
<widget class="QLineEdit" name="editChoose"/>
</item>
<item row="1" column="0" colspan="2">
<widget class="QCalendarWidget" name="calendarWidget"/>
</item>
</layout>
</item>
</layout>
</widget>
</item>
<item row="1" column="0">
<widget class="QGroupBox" name="groupBox_2">
<property name="title">
<string>定时器QTimer</string>
</property>
<layout class="QGridLayout" name="gridLayout_4">
<item row="0" column="0">
<layout class="QGridLayout" name="gridLayout_3">
<item row="1" column="0">
<widget class="QLabel" name="labPeriod">
<property name="text">
<string>定时周期</string>
</property>
</widget>
</item>
<item row="1" column="1">
<widget class="QSpinBox" name="spinBox">
<property name="suffix">
<string>ms</string>
</property>
<property name="prefix">
<string/>
</property>
<property name="maximum">
<number>9999999</number>
</property>
<property name="value">
<number>1000</number>
</property>
</widget>
</item>
<item row="2" column="2">
<widget class="QLCDNumber" name="lcdSS"/>
</item>
<item row="0" column="2">
<widget class="QLabel" name="labGo">
<property name="text">
<string>时间已流逝:</string>
</property>
</widget>
</item>
<item row="2" column="1">
<widget class="QLCDNumber" name="lcdmm"/>
</item>
<item row="2" column="0">
<widget class="QLCDNumber" name="lcdHH"/>
</item>
<item row="1" column="2">
<widget class="QPushButton" name="btnPeriod">
<property name="text">
<string>设置周期</string>
</property>
</widget>
</item>
<item row="0" column="0">
<widget class="QPushButton" name="btnStatrt">
<property name="text">
<string>开始</string>
</property>
</widget>
</item>
<item row="0" column="1">
<widget class="QPushButton" name="btnStop">
<property name="text">
<string>停止</string>
</property>
</widget>
</item>
<item row="3" column="0" colspan="3">
<widget class="QProgressBar" name="progressBar">
<property name="value">
<number>3</number>
</property>
</widget>
</item>
</layout>
</item>
</layout>
</widget>
</item>
</layout>
</widget>
<layoutdefault spacing="6" margin="11"/>
<resources/>
<connections/>
</ui>

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#-------------------------------------------------
#
# Project created by QtCreator 2019-08-24T15:33:12
#
#-------------------------------------------------
QT += core gui
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
TARGET = QtDateTimeEx
TEMPLATE = app
# The following define makes your compiler emit warnings if you use
# any feature of Qt which has been marked as deprecated (the exact warnings
# depend on your compiler). Please consult the documentation of the
# deprecated API in order to know how to port your code away from it.
DEFINES += QT_DEPRECATED_WARNINGS
# You can also make your code fail to compile if you use deprecated APIs.
# In order to do so, uncomment the following line.
# You can also select to disable deprecated APIs only up to a certain version of Qt.
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0
CONFIG += c++11
SOURCES += \
main.cpp \
ExDateTime.cpp
HEADERS += \
ExDateTime.h
FORMS += \
ExDateTime.ui
RC_ICONS += QT_win_32x32.ico
# Default rules for deployment.
qnx: target.path = /tmp/$${TARGET}/bin
else: unix:!android: target.path = /opt/$${TARGET}/bin
!isEmpty(target.path): INSTALLS += target

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QtDateTimeEx/main.cpp Normal file
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#include "ExDateTime.h"
#include <QApplication>
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
ExDateTime w;
w.show();
return a.exec();
}