inputdlg.cpp

#include "inputdlg.h"
#include "QInputDialog"
#include "QStringList"

InputDlg::InputDlg(QWidget *parent) :
    QDialog(parent)
{
    setWindowTitle(QStringLiteral("标准输入对话框的实例"));
    nameLabel1 = new QLabel;
    nameLabel1->setText(QStringLiteral("姓名"));
    nameLabel2 = new QLabel;
    nameLabel2->setText(QStringLiteral("张三"));
    nameLabel2->setFrameStyle(QFrame::Panel | QFrame::Sunken);
    nameBtn = new QPushButton;
    nameBtn->setText(QStringLiteral("修改姓名"));

    sexLabel1 = new QLabel;
    sexLabel1->setText(QStringLiteral("性别"));
    sexLabel2 = new QLabel;
    sexLabel2->setText(QStringLiteral("男"));
    sexLabel2->setFrameStyle(QFrame::Panel | QFrame::Sunken);
    sexBtn = new QPushButton;
    sexBtn->setText(QStringLiteral("修改性别"));

    ageLabel1 = new QLabel;
    ageLabel1->setText(QStringLiteral("年龄"));
    ageLabel2 = new QLabel;
    ageLabel2->setText(tr("21"));
    ageLabel2->setFrameStyle(QFrame::Panel | QFrame::Sunken);
    ageBtn = new QPushButton;
    ageBtn->setText(QStringLiteral("修改年龄"));

    scoreLabel1 = new QLabel;
    scoreLabel1->setText(QStringLiteral("成绩"));
    scoreLabel2 = new QLabel;
    scoreLabel2->setText(tr("80"));
    scoreLabel2->setFrameStyle(QFrame::Panel | QFrame::Sunken);
    scoreBtn = new QPushButton;
    scoreBtn->setText(QStringLiteral("修改成绩"));

    mainLayout = new QGridLayout(this);
    mainLayout->addWidget(nameLabel1, 0, 0);
    mainLayout->addWidget(nameLabel2, 0, 1);
    mainLayout->addWidget(nameBtn, 0, 2);

    mainLayout->addWidget(sexLabel1, 1, 0);
    mainLayout->addWidget(sexLabel2, 1, 1);
    mainLayout->addWidget(sexBtn, 1, 2);

    mainLayout->addWidget(ageLabel1, 2, 0);
    mainLayout->addWidget(ageLabel2, 2, 1);
    mainLayout->addWidget(ageBtn, 2, 2);

    mainLayout->addWidget(scoreLabel1, 3, 0);
    mainLayout->addWidget(scoreLabel2, 3, 1);
    mainLayout->addWidget(scoreBtn, 3, 2);

    mainLayout->setMargin(15);
    mainLayout->setSpacing(10);

    connect(nameBtn, SIGNAL(clicked()), this, SLOT(ChangeName()));
    connect(sexBtn, SIGNAL(clicked()), this, SLOT(ChangeSex()));
    connect(ageBtn, SIGNAL(clicked()), this, SLOT(ChangeAge()));
    connect(scoreBtn, SIGNAL(clicked()), this, SLOT(ChangeScore()));
}

void InputDlg::ChangeName()
{
    bool ok;
    QString text = QInputDialog::getText(this, QStringLiteral("标准字符串输入对话框"), QStringLiteral("请输入姓名： "), QLineEdit::Normal,
                                         nameLabel2->text(), &ok);
    if(ok && !text.isEmpty())
    {
        nameLabel2->setText(text);
    }
}

void InputDlg::ChangeSex()
{
    QStringList SexItems;
    SexItems << QStringLiteral("男") << QStringLiteral("女");
    bool ok;
    QString sexItem = QInputDialog::getItem(this, QStringLiteral("标准条目选择对话框"), QStringLiteral("请选择性别"), SexItems, 0, false, &ok);
    if(ok && !sexItem.isEmpty())
    {
        sexLabel2->setText(sexItem);
    }

}

void InputDlg::ChangeAge()
{
    bool ok;
    int age = QInputDialog::getInt(this, QStringLiteral("标准int类型输入对话框"), QStringLiteral("请输入年龄： "), ageLabel2->text().toInt(&ok),
                                   0, 100, 1, &ok);
    if(ok)
    {
        ageLabel2->setText(QString(tr("%1")).arg(age));
    }

}

void InputDlg::ChangeScore()
{
    bool ok;
    double score = QInputDialog::getDouble(this, QStringLiteral("标准double类型输入对话框"), QStringLiteral("请输入成绩："), scoreLabel2->text().toDouble(&ok),
                                           0, 100, 1, &ok);
    if(ok)
        scoreLabel2->setText(QString(tr("%1")).arg(score));
}