运行结果：

QT 常用控件操作实例集锦_java

点击按钮1：

QT 常用控件操作实例集锦_java_02

界面纯代码编写

以下是源码：

QtGuiApplication7.h

#pragma once
#include <QtWidgets/QMainWindow>#include "ui_QtGuiApplication7.h"
class QtGuiApplication7 : public QMainWindow{  Q_OBJECT
public:  QtGuiApplication7(QWidget *parent = Q_NULLPTR);
private:  Ui::QtGuiApplication7Class ui;private slots:  void on_btn2_clicked();  void on_btn1_clicked();  void warning();
};

QtGuiApplication7.cpp

#include "QtGuiApplication7.h"#include <qpushbutton.h>#include <QMessageBox>#include <qcombobox.h>#include <qradiobutton.h>#include <qlabel.h>#include <qtableview.h>#include <qstandarditemmodel.h>#include <qtextedit.h>
#if _MSC_VER >= 1600#pragma execution_character_set("utf-8")#endif
QPushButton *btn1, *btn2;QRadioButton *qbtn1, *qbtn2;
QtGuiApplication7::QtGuiApplication7(QWidget *parent)  : QMainWindow(parent){  ui.setupUi(this);  /*实例化两个按钮，并建立信号与槽的关系*/  btn1 = new QPushButton(this);  btn1->setGeometry(20, 60, 80, 40);  btn1->setText("测试1");  btn2 = new QPushButton(this);  btn2->setGeometry(120, 60, 80, 40);  btn2->setText("测试2");  /*实例化一个QComboBox，添加值后选择第三个值*/  QComboBox *cmb = new QComboBox(this);  //方法-  cmb->addItem("选项1");  cmb->addItem("选项2");  cmb->addItem("选项3");  //方法二  QStringList QList;  QList.clear();  QList << tr("选项4") << tr("选项5") << tr("选项6") ;  cmb->addItems(QList);  cmb->setGeometry(20, 20, 70, 30);  cmb->setCurrentIndex(2);  /*实例化两个QRadioButton并选中第二个*/  qbtn1 = new QRadioButton("男",this);  qbtn1->setGeometry(120,30,50,20);    qbtn2 = new QRadioButton("女",this);  qbtn2->setGeometry(180, 30, 50, 20);  qbtn2->setChecked(true);  /*实例化两个Qlabel并命名*/  QLabel *lab1 = new QLabel("标签1",this);  lab1->setGeometry(20,100,50,50);  QLabel *lab2 = new QLabel("标签2", this);  lab2->setGeometry(120, 100, 50, 50);  /*实例化textedit*/  QTextEdit *tex = new QTextEdit("文本1",this);  tex->setGeometry(230,20,70,30);  /*实例化Qlabel,显示图片*/  QLabel *lab3 = new QLabel("标签3", this);  QPixmap pixmap("icon32/stop.png");  lab3->setPixmap(pixmap);  btn2->setIcon(pixmap);  lab3->setGeometry(310, 30, 160, 30);  lab3->setAlignment(Qt::AlignCenter);  //lab3->setText("启动");
  /*实例化一个tableview*/  QTableView *tab = new QTableView(this);  QStandardItemModel *model = new QStandardItemModel;  model->setColumnCount(5);  tab->setModel(model);  model->setHeaderData(0, Qt::Horizontal, QString("File"));  model->setHeaderData(1, Qt::Horizontal, QString("Path"));  model->setHeaderData(2, Qt::Horizontal, QString("Size"));  model->setHeaderData(3, Qt::Horizontal, QString("Duration"));  model->setHeaderData(4, Qt::Horizontal, QString("value"));  tab->setShowGrid(true); //显示格子  tab->setColumnWidth(0, 80);  tab->setColumnWidth(1, 50);  tab->setColumnWidth(2, 80);  tab->setColumnWidth(3, 80);  tab->setColumnWidth(3, 80);  tab->setGeometry(20,110,400,200);
  for (int i = 0; i < 3; i++)  {    model->setItem(i, 0, new QStandardItem("2009441676"));    //设置字符颜色     model->item(i, 0)->setForeground(QBrush(QColor(255, 0, 0)));    //设置字符位置     model->item(i, 0)->setTextAlignment(Qt::AlignCenter);    //model->setItem(i, 1, new QStandardItem(QString::fromLocal8Bit("哈哈")));    model->setItem(i, 1, new QStandardItem(QString("哈哈")));  }
  this->resize(440,330);  connect(btn2, SIGNAL(clicked()), this, SLOT(on_btn2_clicked()));  connect(btn1, SIGNAL(clicked()), this, SLOT(on_btn1_clicked()));}void QtGuiApplication7::on_btn2_clicked(){  warning();}void QtGuiApplication7::on_btn1_clicked(){  warning();}void QtGuiApplication7::warning(){  if (qbtn2->isChecked()) //()不要忽略    QMessageBox::information(this, "提醒", "当前选择的性别是女");  else    QMessageBox::information(this, "提醒", "当前选择的性别是男");}