QT乱翻书-Spin

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技术QT乱翻书-Spin QT乱翻书-Spin跳转到大纲 码云QT乱翻书-Spin#ifndef WIDGET_H
#define WIDGET_H#include QWidgetnamespace U

夸脱乱翻书-旋转

跳转到大纲码云

QT乱翻书-Spin

#ifndef WIDGET_H

#定义WIDGET_H

#包含QWidget

命名空间Ui {

类小部件

}

类Widget :公共QWidget

{

Q_OBJECT

公众号：

显式widget(QWidget * parent=0)；

~ Widget()；

专用插槽3360

void on _ btnCal _ clicked()；//计算按键已单击()响应

void on _ btnDec _ clicked()；//读十进制数再用其他进制显示的按键的已单击()响应

void on _ btnBin _ clicked()；//读二进制数再用其他进制显示的按键的已单击()响应

void on _ btnHex _ clicked()；//读十六进制数再用其他进制显示的按键的已单击()响应

私人：

Ui:Widget * ui

};

#endif //WIDGET_H

/********************************************************************************

**通过读取用户界面文件widget.ui '生成表单

**

**由： Qt用户界面编译器5.9.1版创建

**

**警告！重新编译用户界面文件时，此文件中所做的所有更改都将丢失！

********************************************************************************/

#ifndef UI_WIDGET_H

#定义UI_WIDGET_H

#包含QtCore/QVariant

#包含QtWidgets/qaaction

#包含QtWidgets/qaapplication

#包含QtWidgets/QButtonGroup

#包含QtWidgets/QDoubleSpinBox

#包含QtWidgets/QGridLayout

#包含QtWidgets/QHeaderView

#包含QtWidgets/QLabel

#包含QtWidgets/qbutton

#包含QtWidgets/QSpacerItem

#包含QtWidgets/QSpinBox

#包含QtWidgets/QVBoxLayout

#包含QtWidgets/QWidget

QT _ BEgin _ NAME

类Ui_Widget

{

公众号：

QVBoxLayout *垂直布局；

QGridLayout * gridLayout

QLabel * label _ 3；

QDoubleSpinBox * spinTotal

QSpinBox * spinNum

QDoubleSpinBox * spinPrice

QLabel * label _ 2；

QLabel *标签；

QPushButton * btnCal

QSpacerItem *垂直空间

QGridLayout * gridLayout _ 2；

QLabel * label _ 6；

QLabel * label _ 7；

QPushButton * btnBin

QLabel * label _ 8；

QPushButton * btnDec

QPushButton * btnHex

qspace ritem * horizontalSpacer _ 2；

QSpinBox * spinDec

QSpinBox * spinBin

QSpinBox * spinHex

void setupUi(QWidget *Widget)

{

if (Widget-objectName().isEmpty())

Widget-setObjectName(QStringLiteral(' Widget '))；

小部件-调整大小(303,172);

QFont字体；

字体。setfamily(来自utf8的qstring :3360(\ 345 \ 256 \ 213 \ 344 \ 275 \ 223’)；

丰族

t.setPointSize(10);
Widget-setFont(font);
verticalLayout = new QVBoxLayout(Widget);
verticalLayout-setSpacing(6);
verticalLayout-setContentsMargins(11, 11, 11, 11);
verticalLayout-setObjectName(QStringLiteral("verticalLayout"));
gridLayout = new QGridLayout();
gridLayout-setSpacing(6);
gridLayout-setObjectName(QStringLiteral("gridLayout"));
label_3 = new QLabel(Widget);
label_3-setObjectName(QStringLiteral("label_3"));
label_3-setAlignment(Qt::AlignCenter);
gridLayout-addWidget(label_3, 1, 2, 1, 1);
spinTotal = new QDoubleSpinBox(Widget);
spinTotal-setObjectName(QStringLiteral("spinTotal"));
spinTotal-setMaximum(100000);
gridLayout-addWidget(spinTotal, 1, 3, 1, 1);
spinNum = new QSpinBox(Widget);
spinNum-setObjectName(QStringLiteral("spinNum"));
spinNum-setFrame(true);
spinNum-setButtonSymbols(QAbstractSpinBox::UpDownArrows);
spinNum-setProperty("showGroupSeparator", QVariant(false));
spinNum-setMaximum(1000);
spinNum-setValue(4);
gridLayout-addWidget(spinNum, 0, 1, 1, 1);
spinPrice = new QDoubleSpinBox(Widget);
spinPrice-setObjectName(QStringLiteral("spinPrice"));
spinPrice-setMinimumSize(QSize(90, 0));
spinPrice-setMaximum(10000);
spinPrice-setValue(12.43);
gridLayout-addWidget(spinPrice, 0, 3, 1, 1);
label_2 = new QLabel(Widget);
label_2-setObjectName(QStringLiteral("label_2"));
label_2-setAlignment(Qt::AlignCenter);
gridLayout-addWidget(label_2, 0, 2, 1, 1);
label = new QLabel(Widget);
label-setObjectName(QStringLiteral("label"));
label-setAlignment(Qt::AlignCenter);
gridLayout-addWidget(label, 0, 0, 1, 1);
btnCal = new QPushButton(Widget);
btnCal-setObjectName(QStringLiteral("btnCal"));
gridLayout-addWidget(btnCal, 1, 1, 1, 1);
verticalLayout-addLayout(gridLayout);
verticalSpacer = new QSpacerItem(20, 40, QSizePolicy::Minimum, QSizePolicy::Expanding);
verticalLayout-addItem(verticalSpacer);
gridLayout_2 = new QGridLayout();
gridLayout_2-setSpacing(6);
gridLayout_2-setObjectName(QStringLiteral("gridLayout_2"));
label_6 = new QLabel(Widget);
label_6-setObjectName(QStringLiteral("label_6"));
label_6-setMinimumSize(QSize(0, 0));
label_6-setAlignment(Qt::AlignCenter);
gridLayout_2-addWidget(label_6, 0, 0, 1, 1);
label_7 = new QLabel(Widget);
label_7-setObjectName(QStringLiteral("label_7"));
label_7-setAlignment(Qt::AlignCenter);
gridLayout_2-addWidget(label_7, 1, 0, 1, 1);
btnBin = new QPushButton(Widget);
btnBin-setObjectName(QStringLiteral("btnBin"));
gridLayout_2-addWidget(btnBin, 1, 3, 1, 1);
label_8 = new QLabel(Widget);
label_8-setObjectName(QStringLiteral("label_8"));
label_8-setAlignment(Qt::AlignCenter);
gridLayout_2-addWidget(label_8, 2, 0, 1, 1);
btnDec = new QPushButton(Widget);
btnDec-setObjectName(QStringLiteral("btnDec"));
gridLayout_2-addWidget(btnDec, 0, 3, 1, 1);
btnHex = new QPushButton(Widget);
btnHex-setObjectName(QStringLiteral("btnHex"));
gridLayout_2-addWidget(btnHex, 2, 3, 1, 1);
horizontalSpacer_2 = new QSpacerItem(40, 20, QSizePolicy::Expanding, QSizePolicy::Minimum);
gridLayout_2-addItem(horizontalSpacer_2, 1, 2, 1, 1);
spinDec = new QSpinBox(Widget);
spinDec-setObjectName(QStringLiteral("spinDec"));
spinDec-setMinimumSize(QSize(100, 0));
spinDec-setMaximum(255);
spinDec-setValue(12);
gridLayout_2-addWidget(spinDec, 0, 1, 1, 1);
spinBin = new QSpinBox(Widget);
spinBin-setObjectName(QStringLiteral("spinBin"));
spinBin-setMaximum(255);
spinBin-setDisplayIntegerBase(2);
gridLayout_2-addWidget(spinBin, 1, 1, 1, 1);
spinHex = new QSpinBox(Widget);
spinHex-setObjectName(QStringLiteral("spinHex"));
spinHex-setMaximum(255);
spinHex-setValue(12);
spinHex-setDisplayIntegerBase(16);
gridLayout_2-addWidget(spinHex, 2, 1, 1, 1);
verticalLayout-addLayout(gridLayout_2);
retranslateUi(Widget);
QMetaObject::connectSlotsByName(Widget);
} // setupUi
void retranslateUi(QWidget *Widget)
{
Widget-setWindowTitle(QApplication::translate("Widget", "SpinBox\346\265\213\350\257\225", Q_NULLPTR));
label_3-setText(QApplication::translate("Widget", "\346\200\273 \344\273\267", Q_NULLPTR));
spinTotal-setPrefix(QApplication::translate("Widget", "$ ", Q_NULLPTR));
spinNum-setSuffix(QApplication::translate("Widget", " kg", Q_NULLPTR));
spinPrice-setPrefix(QApplication::translate("Widget", "$ ", Q_NULLPTR));
label_2-setText(QApplication::translate("Widget", "\345\215\225 \344\273\267", Q_NULLPTR));
label-setText(QApplication::translate("Widget", "\346\225\260 \351\207\217", Q_NULLPTR));
btnCal-setText(QApplication::translate("Widget", "\350\256\241\347\256\227", Q_NULLPTR));
label_6-setText(QApplication::translate("Widget", "\345\215\201 \350\277\233 \345\210\266", Q_NULLPTR));
label_7-setText(QApplication::translate("Widget", "\344\272\214 \350\277\233 \345\210\266", Q_NULLPTR));
btnBin-setText(QApplication::translate("Widget", "\350\275\254\346\215\242\344\270\272\345\205\266\344\273\226\350\277\233\345\210\266", Q_NULLPTR));
label_8-setText(QApplication::translate("Widget", "\345\215\201\345\205\255\350\277\233\345\210\266", Q_NULLPTR));
btnDec-setText(QApplication::translate("Widget", "\350\275\254\346\215\242\344\270\272\345\205\266\344\273\226\350\277\233\345\210\266", Q_NULLPTR));
btnHex-setText(QApplication::translate("Widget", "\350\275\254\346\215\242\344\270\272\345\205\266\344\273\226\350\277\233\345\210\266", Q_NULLPTR));
spinDec-setSuffix(QString());
spinDec-setPrefix(QApplication::translate("Widget", "Dec ", Q_NULLPTR));
spinBin-setPrefix(QApplication::translate("Widget", "Bin ", Q_NULLPTR));
spinHex-setPrefix(QApplication::translate("Widget", "Hex ", Q_NULLPTR));
} // retranslateUi
};
namespace Ui {
class Widget: public Ui_Widget {};
} // namespace Ui
QT_END_NAMESPACE
#endif // UI_WIDGET_H

#include "widget.h"
#include QApplication
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    Widget w;
    w.show();
    return a.exec();
}
#include    "widget.h"
#include    "ui_widget.h"
#include    QString
Widget::Widget(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::Widget)
{
    ui-setupUi(this);
//“数量”和“单价”两个SpinBox的valueChanged()信号与on_btnCal_clicked()槽关联
    QObject::connect(ui-spinNum,SIGNAL(valueChanged(int)),this,SLOT(on_btnCal_clicked()));  //
    QObject::connect(ui-spinPrice,SIGNAL(valueChanged(double)),this,SLOT(on_btnCal_clicked()));
    QObject::connect(ui-spinDec,SIGNAL(valueChanged(int)),
                     this,SLOT(on_btnDec_clicked()));//spinDec 十进制显示的SpinBox
    QObject::connect(ui-spinBin,SIGNAL(valueChanged(int)),
                     this,SLOT(on_btnBin_clicked()));//spinBin 二进制显示的SpinBox
    QObject::connect(ui-spinHex,SIGNAL(valueChanged(int)),
                     this,SLOT(on_btnHex_clicked()));//spinHex 十六进制显示的SpinBox
}
Widget::~Widget()
{
    delete ui;
}
void Widget::on_btnCal_clicked()
{ //计算按键
    int num=ui-spinNum-value(); //读取数量，直接是整数
    float price=ui-spinPrice-value();//读取单价，直接是浮点数
    float total=num*price;//相乘计算
    ui-spinTotal-setValue(total); //直接显示浮点数
}
void Widget::on_btnDec_clicked()
{ //读取十进制，以其他进制显示
    int val;
    val=ui-spinDec-value();//读取十进制数
    ui-spinBin-setValue(val); //设置数值即可，自动以二进制显示
    ui-spinHex-setValue(val); //设置数值即可，自动以十六进制显示
}
void Widget::on_btnBin_clicked()
{ //读取二进制，以其他进制显示
    int val=ui-spinBin-value();//读取spinBin里的二进制数，得到整数
    ui-spinDec-setValue(val);//设置数值即可，自动以十进制显示
    ui-spinHex-setValue(val);//设置数值即可，自动以十六进制显示
}
void Widget::on_btnHex_clicked()
{ //读取十六进制，以其他进制显示
    int val;
    val=ui-spinHex-value();//读取 spinHex 里的十六进制数，得到整数
    ui-spinDec-setValue(val);//设置数值即可，自动以十进制显示
    ui-spinBin-setValue(val);//设置数值即可，自动以二进制显示
}
xml version="1.0" encoding="UTF-8"
ui version="4.0"
 classWidget/class
 widget class="QWidget" name="Widget"
  property name="geometry"
   rect
    x0/x
    y0/y
    width442/width
    height238/height
   /rect
  /property
  property name="font"
   font
    family宋体/family
    pointsize10/pointsize
   /font
  /property
  property name="windowTitle"
   stringSpinBox测试/string
  /property
  layout class="QVBoxLayout" name="verticalLayout"
   item
    layout class="QGridLayout" name="gridLayout"
     item row="1" column="2"
      widget class="QLabel" name="label_3"
       property name="text"
        string总 价/string
       /property
       property name="alignment"
        setQt::AlignCenter/set
       /property
      /widget
     /item
     item row="1" column="3"
      widget class="QDoubleSpinBox" name="spinTotal"
       property name="prefix"
        string$ /string
       /property
       property name="maximum"
        double100000.000000000000000/double
       /property
      /widget
     /item
     item row="0" column="1"
      widget class="QSpinBox" name="spinNum"
       property name="frame"
        booltrue/bool
       /property
       property name="buttonSymbols"
        enumQAbstractSpinBox::UpDownArrows/enum
       /property
       property name="showGroupSeparator" stdset="0"
        boolfalse/bool
       /property
       property name="suffix"
        string kg/string
       /property
       property name="maximum"
        number1000/number
       /property
       property name="value"
        number4/number
       /property
      /widget
     /item
     item row="0" column="3"
      widget class="QDoubleSpinBox" name="spinPrice"
       property name="minimumSize"
        size
         width90/width
         height0/height
        /size
       /property
       property name="prefix"
        string$ /string
       /property
       property name="maximum"
        double10000.000000000000000/double
       /property
       property name="value"
        double12.430000000000000/double
       /property
      /widget
     /item
     item row="0" column="2"
      widget class="QLabel" name="label_2"
       property name="text"
        string单 价/string
       /property
       property name="alignment"
        setQt::AlignCenter/set
       /property
      /widget
     /item
     item row="0" column="0"
      widget class="QLabel" name="label"
       property name="text"
        string数 量/string
       /property
       property name="alignment"
        setQt::AlignCenter/set
       /property
      /widget
     /item
     item row="1" column="1"
      widget class="QPushButton" name="btnCal"
       property name="text"
        string计算/string
       /property
      /widget
     /item
    /layout
   /item
   item
    spacer name="verticalSpacer"
     property name="orientation"
      enumQt::Vertical/enum
     /property
     property name="sizeHint" stdset="0"
      size
       width20/width
       height40/height
      /size
     /property
    /spacer
   /item
   item
    layout class="QGridLayout" name="gridLayout_2"
     item row="0" column="0"
      widget class="QLabel" name="label_6"
       property name="minimumSize"
        size
         width0/width
         height0/height
        /size
       /property
       property name="text"
        string十 进 制/string
       /property
       property name="alignment"
        setQt::AlignCenter/set
       /property
      /widget
     /item
     item row="1" column="0"
      widget class="QLabel" name="label_7"
       property name="text"
        string二 进 制/string
       /property
       property name="alignment"
        setQt::AlignCenter/set
       /property
      /widget
     /item
     item row="1" column="3"
      widget class="QPushButton" name="btnBin"
       property name="text"
        string转换为其他进制/string
       /property
      /widget
     /item
     item row="2" column="0"
      widget class="QLabel" name="label_8"
       property name="text"
        string十六进制/string
       /property
       property name="alignment"
        setQt::AlignCenter/set
       /property
      /widget
     /item
     item row="0" column="3"
      widget class="QPushButton" name="btnDec"
       property name="text"
        string转换为其他进制/string
       /property
      /widget
     /item
     item row="2" column="3"
      widget class="QPushButton" name="btnHex"
       property name="text"
        string转换为其他进制/string
       /property
      /widget
     /item
     item row="1" column="2"
      spacer name="horizontalSpacer_2"
       property name="orientation"
        enumQt::Horizontal/enum
       /property
       property name="sizeHint" stdset="0"
        size
         width40/width
         height20/height
        /size
       /property
      /spacer
     /item
     item row="0" column="1"
      widget class="QSpinBox" name="spinDec"
       property name="minimumSize"
        size
         width100/width
         height0/height
        /size
       /property
       property name="suffix"
        string/
       /property
       property name="prefix"
        stringDec /string
       /property
       property name="maximum"
        number255/number
       /property
       property name="value"
        number12/number
       /property
      /widget
     /item
     item row="1" column="1"
      widget class="QSpinBox" name="spinBin"
       property name="prefix"
        stringBin /string
       /property
       property name="maximum"
        number255/number
       /property
       property name="displayIntegerBase"
        number2/number
       /property
      /widget
     /item
     item row="2" column="1"
      widget class="QSpinBox" name="spinHex"
       property name="prefix"
        stringHex /string
       /property
       property name="maximum"
        number255/number
       /property
       property name="value"
        number12/number
       /property
       property name="displayIntegerBase"
        number16/number
       /property
      /widget
     /item
    /layout
   /item
  /layout
 /widget
 layoutdefault spacing="6" margin="11"/
 resources/
 connections/
/ui

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