陈薛晨的博客

TcpClient.h#ifndef TCPCLIENT_H#define TCPCLIENT_H#include #include #include class TcpClient : public QWidget{ Q_OBJECTpublic: explicit TcpClient(QWidget *parent = 0); QTcpSocke

main.cpp#include #include #include #include #include #include int main(int argc, char* argv[]){ QCoreApplication app(argc, argv); QNetworkAccessManager* manager = new QNetworkAccess

.h#ifndef MYWIDGET_H#define MYWIDGET_H#include #include #include class MyWidget : public QWidget{ Q_OBJECTpublic: explicit MyWidget(QWidget *parent = 0); /* widget's event handl

filter : 过滤notify: 通知MyApplication.h#ifndef MYAPPLICATION_H#define MYAPPLICATION_H#include class MyApplication : public QApplication{ Q_OBJECTpublic: MyApplication(int ar

MyWidget.h#ifndef MYWIDGET_H#define MYWIDGET_H#include class MyWidget : public QWidget{ Q_OBJECTpublic: explicit MyWidget(QWidget *parent = 0); void paintEvent(QPaintEvent *);

first: 一条线MyWidget.h#ifndef MYWIDGET_H#define MYWIDGET_H#include #include "MyButton.h"class MyWidget : public QWidget{ Q_OBJECTpublic: explicit MyWidget(QWidget *parent = 0);

main.cpp#include #include "mysignal.h"#include "myslot.h"/*1) 信号的定义必须在signals:保留字下，并且不需要实现2）槽的定义必须在slots:保留字下，需要实现3）信号和槽通过QObject::connect函数连接4）当信号被触发时，槽函数被调用需要注意的是：1）信号和槽，是QT的拓展，所以实

mywidget.h#ifndef MYWIDGET_H#define MYWIDGET_H#include #include#includeclass MyWidget : public QWidget{ Q_OBJECTpublic: explicit MyWidget(QWidget *parent = 0); QProcess _process

main.cpp#include #include //在multimedia库中#include #include #include #include #include int main(int argc, char* argv[]){ QCoreApplication app(argc, argv); // record audio //保存音频

main.cpp#include #include #include #include #include int main(int argc, char* argv[]){ QCoreApplication app(argc, argv); QFile file("d:\\qt-record.raw"); if(!file.open(QFile::Read

interval :间隔render:粉刷，渲染pro 工程中需要 +   QT += widgets gui  printsupport    printsupport是为了打印用，MyWidget.h#ifndef MYWIDGET_H#define MYWIDGET_H#include #include #include #includ

main.cpp#include #include #include #include int main(int argc, char** argv){ QCoreApplication app(argc, argv); app.setApplicationVersion("1.0.0.0");//版本信息 app.setApplicationName("

main.cpp #include #include #include int main(int argc, char** argv){ // 19K QApplication app(argc, argv); /* init resource */ Q_INIT_RESOURCE(main);//可能因为平台的不同，需不需要加不同，注释好别扭

MyDialog.h#ifndef MYDIALOG_H#define MYDIALOG_H#include class MyDialog : public QDialog{ Q_OBJECTpublic: explicit MyDialog(QWidget *parent = 0); QString _strDir; void paintEve

MyMainWindow.h#ifndef MYMAINWINDOW_H#define MYMAINWINDOW_H#include #include #include "MyView.h"#include class MyMainWindow : public QMainWindow{ Q_OBJECTpublic: explicit MyMainWind

mythread.h#ifndef MYTHREAD_H#define MYTHREAD_H#include #include class MyThread : public QThread{ Q_OBJECTpublic: explicit MyThread(QObject *parent = 0); void foo() {

main.cpp#include #include #include int main(int argc, char** argv){ QCoreApplication app(argc, argv); QProcess process; /* linux 下的 window下 你可以 process.star("notepad"); 试试*///proce

udp1.h#ifndef UDP1_H#define UDP1_H#include #include class Udp1 : public QWidget{ Q_OBJECTpublic: explicit Udp1(QWidget *parent = 0); QUdpSocket* _udp;signals:public slots:

调用动态库的pro文件SOURCES += \ main.cpp# 如果QT mingw版本，使用动态库方式和linux没区别（-L（路径）, -l（名字）)# 如果QT VS版本。。。使用动态库方式和windows没区别# 如果QT mingw版本，要调用VS写的动态库，使用一个工具，生成libXXXXX.a文件LIBS += -LD:\QT\QT0718\build-T

json 介绍MyWidget.h#ifndef MYWIDGET_H#define MYWIDGET_H#include class MyWidget : public QWidget{ Q_OBJECTpublic: explicit MyWidget(QWidget *parent = 0);signals:public slots:

Widget01.h#ifndef WIDGET01_H#define WIDGET01_H#include class Widget01 : public QWidget{ Q_OBJECTpublic: explicit Widget01(QWidget *parent = 0);signals:public slots:};#endif

Widget02.h#ifndef WIDGET02_H#define WIDGET02_H#include class Widget02 : public QWidget{ Q_OBJECTpublic: explicit Widget02(QWidget *parent = 0);signals:public slots:};#endif

Widget03.h#ifndef WIDGET03_H#define WIDGET03_H#include #include #include // show tableclass Widget03 : public QWidget{ Q_OBJECTpublic: explicit Widget03(QWidget *parent = 0);

/* 应用程序抽象类 */#include /*窗口类*/#include /* 按钮 */#include int main(int argc, char* argv[]){ QApplication app(argc, argv); /* 构造一个窗口*/ QWidget w; /*显示窗口*/ w.show(); /*

coordinate:坐标geometry:几何/* 应用程序抽象类 */#include /*窗口类*/#include /* 按钮 */#include int main(int argc, char* argv[]){ QApplication app(argc, argv); /* 构造一个窗口*/ QWidget w; /

widget :   小部件completer: 完成者filter: 过滤/* 应用程序抽象类 */#include /*窗口类*/#include #include #include int main(int argc, char* argv[]){ QApplication app(argc, argv); /* 构造一个窗口*/ Q

layout:布局column:纵行，柱row:行stretch:伸展vertical:垂直horizontal:水平/* 应用程序抽象类 */#include /*窗口类*/#include #include /* 按钮 */#include #include #include #include #include int main(int

Widget04.h#ifndef WIDGET04_H#define WIDGET04_H#include #include #include // show table#include #include class TUserDelegate : public QItemDelegate{ QWidget *createEditor(QWidget * par

pixmap  : 像素图combo : 组合QObject::connect(&button,SIGNAL(clicked()),&w,SLOT(close()));此连接信号槽 可用 c++  lamboda表达式 connect(radio, &QRadioButton::clicked, [](bool v){ qDebug() << v

Contact.h#ifndef CONTACT_H#define CONTACT_H#include #include #include #include #include class Contact : public QWidget{ Q_OBJECTpublic: explicit Contact(QWidget *parent = 0);

Widget05.h#ifndef WIDGET05_H#define WIDGET05_H#include #include #include class Widget05 : public QWidget{ Q_OBJECTpublic: explicit Widget05(QWidget *parent = 0); QSqlQueryMo

MyWidget.h#ifndef MYWIDGET_H#define MYWIDGET_H#include class MyWidget : public QWidget{ Q_OBJECTpublic: explicit MyWidget(QWidget *parent = 0);signals:public slots:};#endif