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头文件

 

input .h

#ifndef INPUT_H #define INPUT_H #include <QObject> #include <QDialog> class QPushButton; class QLabel; class InputDlg:public QDialog{ Q_OBJECT public: InputDlg(); private: QPushButton *nameButton; QPushButton *sexButton; QPushButton *ageButton; QPushButton *statureButton; QLabel *label1; QLabel *label2; QLabel *label3; QLabel *label4; QLabel *nameLabel; QLabel *sexLabel; QLabel *ageLabel; QLabel *statureLabel; private slots: void slotName(); void slotAge(); void slotSex(); void slotStature(); }; #endif // INPUT_H

 

实现代码

main.cpp

#include <QApplication> #include <QDialog> #include <QTextCodec> #include <QLabel> #include <QFrame> #include <QPushButton> #include <QGridLayout> #include <QInputDialog> #include <QStringList> #include "<a class="tags" href="/tags/INPUT.html" title=input>input</a>.h" InputDlg::InputDlg(){ //设置窗口标题 setWindowTitle("<a class="tags" href="/tags/INPUT.html" title=input>input</a> <a class="tags" href="/tags/DIALOG.html" title=dialog>dialog</a>"); //创建标签对象 label1=new QLabel(tr("Name")); label2=new QLabel(tr("Age")); label3=new QLabel(tr("Sex")); label4=new QLabel(tr("Stature")); nameLabel=new QLabel; nameLabel->setFrameStyle(QFrame::Panel | QFrame::Sunken); ageLabel=new QLabel; ageLabel->setFrameStyle((QFrame::Panel | QFrame::Sunken)); sexLabel=new QLabel; sexLabel->setFrameStyle(QFrame::Panel | QFrame::Sunken); statureLabel=new QLabel; statureLabel->setFrameStyle(QFrame::Panel | QFrame::Sunken); //创建按钮对象 nameButton=new QPushButton(tr("Name")); ageButton=new QPushButton(tr("Age")); sexButton=new QPushButton(tr("Sex")); statureButton=new QPushButton(tr("Stature")); //布局管理 QGridLayout *<a class="tags" href="/tags/LAYOUT.html" title=layout>layout</a>=new QGridLayout(this); <a class="tags" href="/tags/LAYOUT.html" title=layout>layout</a>->addWidget(nameButton ,0,3); <a class="tags" href="/tags/LAYOUT.html" title=layout>layout</a>->addWidget(nameLabel,0,2); <a class="tags" href="/tags/LAYOUT.html" title=layout>layout</a>->addWidget(label1,0,1); <a class="tags" href="/tags/LAYOUT.html" title=layout>layout</a>->addWidget(ageButton,1,3); <a class="tags" href="/tags/LAYOUT.html" title=layout>layout</a>->addWidget(ageLabel,1,2); <a class="tags" href="/tags/LAYOUT.html" title=layout>layout</a>->addWidget(label2,1,1); <a class="tags" href="/tags/LAYOUT.html" title=layout>layout</a>->addWidget(sexButton,2,3); <a class="tags" href="/tags/LAYOUT.html" title=layout>layout</a>->addWidget(sexLabel,2,2); <a class="tags" href="/tags/LAYOUT.html" title=layout>layout</a>->addWidget(label3,2,1); <a class="tags" href="/tags/LAYOUT.html" title=layout>layout</a>->addWidget(statureButton,3,3); <a class="tags" href="/tags/LAYOUT.html" title=layout>layout</a>->addWidget(statureLabel,3,2); <a class="tags" href="/tags/LAYOUT.html" title=layout>layout</a>->addWidget(label4,3,1); setLayout(<a class="tags" href="/tags/LAYOUT.html" title=layout>layout</a>); //链接信号和槽 connect(nameButton,SIGNAL(clicked()),this,SLOT(slotName())); connect(sexButton,SIGNAL(clicked()),this,SLOT(slotSex())); connect(ageButton,SIGNAL(clicked()),this,SLOT(slotAge())); connect(statureButton,SIGNAL(clicked()),this,SLOT(slotStature())); } void InputDlg::slotAge(){ bool ok; //弹出整型对话输入框 /getInt ( QWidget * parent, 父窗口 // const QString & title, 窗口标题 // const QString & label, 窗口提示 // int value = 0, 默认值 // int min = -2147483647, 最小值 // int max = 2147483647, 最大值 // int step = 1, 步进值 // bool * ok = 0, 哪个按钮被触发 // Qt::WindowFlags flags = 0 ) int age=QInputDialog::getInteger(this,tr("<a class="tags" href="/tags/USER.html" title=user>user</a> age"),tr("please enter age"), ageLabel->text().toInt(),0,140,1,&ok); if(ok){ ageLabel->setText(QString(tr("%1").arg(age))); } } void InputDlg::slotName(){ bool ok; //弹出标准字符串输入对话框 //getText( //QWidget * parent, 标准输入对话框的父窗口 //const QString & title, 标准输入框的标题 //const QString & label, 标准输入框的提示信息 //QLineEdit::EchoMode mode = QLineEdit::Normal, 标准输入对话框的QLineEdit控件的输入模式 //const QString & text = QString(), 标准输入对话框 弹出QLineEdit 时默认的文字 //bool * ok = 0, 指示哪个按钮被出发 //Qt::WindowFlags flags = 0 ) QString name=QInputDialog::getText(this,tr("<a class="tags" href="/tags/USER.html" title=user>user</a> name"), tr("PLEASE <a class="tags" href="/tags/INPUT.html" title=input>input</a> new name"), QLineEdit::Normal,nameLabel->text(),&ok); if(ok && !name.isEmpty()){ nameLabel->setText(name); } } void InputDlg::slotSex(){ QStringList list; list<<tr("man")<<tr("girl"); bool ok; //弹出 标准条目选择对话框 // getItem ( QWidget * parent, 条目选择对话框的父窗口 // const QString & title, 条目选择对话框的标题 // const QString & label, 条目选择对话框的提示信息 // const QStringList & items,指定标准对话框中 QComboBox的可选条目 // int current = 0, 条目对话框 默认的条目的序号 // bool editable = true, QComboBox是否可编辑 // bool * ok = 0, 指示哪个按钮被触发 // Qt::WindowFlags flags = 0 指定窗体标示 // ) QString sex=QInputDialog::getItem(this,tr("<a class="tags" href="/tags/USER.html" title=user>user</a> sex"),tr("please <a class="tags" href="/tags/INPUT.html" title=input>input</a> new age"),list,0,false,&ok); if(ok){ sexLabel->setText(sex); } } void InputDlg::slotStature(){ bool ok; //弹出标准浮点型输入框 // getDouble ( QWidget * parent, 浮点型输入框的父窗口 // const QString & title, 窗口标题 // const QString & label, 窗口提示 // double value = 0, 默认值 // double min = -2147483647,最小值 // double max = 2147483647, 最大值 // int decimals = 1, 步进值 // bool * ok = 0, 指示哪个按钮被触发 // Qt::WindowFlags flags = 0 指定窗体标示 // ) double stature=QInputDialog::getDouble(this,tr("<a class="tags" href="/tags/USER.html" title=user>user</a> stature"), tr("please enter your stature"), 175.00,0,300.00,1,&ok); if(ok){ statureLabel->setText(QString(tr("%1").arg(stature))); } } int main(int argc,char ** argv){ QApplication app(argc,argv); InputDlg dlg; dlg.show(); return app.exec(); }

 

贴图...