#include?“dialog.h“
#include?“ui_dialog.h“
#include?
Dialog::Dialog（QWidget?*parent）?:
????QDialog（parent）
????ui（new?Ui::Dialog）
{
????ui->setupUi（this）;

????ui->lcdNumber->setNumDigits（10）;//設(shè)置lcd顯示的位數(shù);
????setWindowtitle（“Calculator“）;???//設(shè)置窗口標(biāo)題

????//對(duì)各個(gè)按鍵進(jìn)行鏈接
????connect（ui->pushButton_1SIGNAL（clicked（））thisSLOT（button1（）））;
????connect（ui->pushButton_2SIGNAL（clicked（））thisSLOT（button2（）））;
????connect（ui->pushButton_3SIGNAL（clicked（））thisSLOT（button3（）））;
????connect（ui->pushButton_4SIGNAL（clicked（））thisSLOT（button4（）））;
????connect（ui->pushButton_5SIGNAL（clicked（））thisSLOT（button5（）））;
????connect（ui->pushButton_6SIGNAL（clicked（））thisSLOT（button6（）））;
????connect（ui->pushButton_7SIGNAL（clicked（））thisSLOT（button7（）））;
????connect（ui->pushButton_8SIGNAL（clicked（））thisSLOT（button8（）））;
????connect（ui->pushButton_9SIGNAL（clicked（））thisSLOT（button9（）））;
????connect（ui->pushButton_0SIGNAL（clicked（））thisSLOT（button0（）））;
????connect（ui->pushButton_pointSIGNAL（clicked（））thisSLOT（buttonPoint（）））;

????connect（ui->pushButton_addSIGNAL（clicked（））thisSLOT（buttonAdd（）））;
????connect（ui->pushButton_subSIGNAL（clicked（））thisSLOT（buttonSub（）））;
????connect（ui->pushButton_mulSIGNAL（clicked（））thisSLOT（buttonMul（）））;
????connect（ui->pushButton_divisionSIGNAL（clicked（））thisSLOT（buttonDivision（）））;

????connect（ui->pushButton_equalSIGNAL（clicked（））thisSLOT（buttonEqual（）））;

????connect（ui->pushButton_emptySIGNAL（clicked（））thisSLOT（buttonEmpty（）））;
????connect（ui->pushButton_delSIGNAL（clicked（））thisSLOT（buttonDel（）））;

????connect（ui->pushButton_squareSIGNAL（clicked（））thisSLOT（buttonSquare（）））;
????connect（ui->pushButton_reciprocalSIGNAL（clicked（））thisSLOT（buttonReciprocal（）））;
????connect（ui->pushButton_evolutionSIGNAL（clicked（））thisSLOT（buttonEvolution（）））;
????connect（ui->pushButton_factorialSIGNAL（clicked（））thisSLOT（buttonFactorial（）））;


}

Dialog::~Dialog（）
{
????delete?ui;
}

//對(duì)各個(gè)按鍵進(jìn)行定義
QString?sumsum1;//定義了兩個(gè)操作數(shù)
int?aa;?????????//定義了一個(gè)用于判斷是那種運(yùn)算符的整形數(shù);

void?Dialog::button1（）
{
????sum?=?sum.append（‘1‘）;
????ui->lcdNumber->display（sum）;
}
void?Dialog::button2（）
{
????sum?=?sum.append（‘2‘）;
????ui->lcdNumber->display（sum）;
}
void?Dialog::button3（）
{
????sum?=?sum.append（‘3‘）;
????ui->lcdNumber->display（sum）;
}
void?Dialog::button4（）
{
????sum?=?sum.append（‘4‘）;
????ui->lcdNumber->display（sum）;
}
void?Dialog::button5（）
{
????sum?=?sum.append（‘5‘）;
????ui->lcdNumber->display（sum）;
}
void?Dialog::button6（）
{
????sum?=?sum.append（‘6‘）;
????ui->lcdNumber->display（sum）;
}
void?Dialog::button7（）
{
????sum?=?sum.append（‘7‘）;
????ui->lcdNumber->display（sum）;
}
void?Dialog::button8（）
{
????sum?=?sum.append（‘8‘）;
????ui->lcdNumber->display（sum）;
}
void?Dialog::button9（）
{
????sum?=?sum.append（‘9‘）;
????ui->lcdNumber->display（sum）;
}
void?Dialog::button0（）
{
????sum?=?sum.append（‘0‘）;
????ui->lcdNumber->display（sum）;
}
void?Dialog::buttonPoint（）
{
????sum?=?sum.append（‘.‘）;
????ui->lcdNumb

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件???????29828??2013-02-21?01:28??computer-build-desktop-Qt_4_8_1___PATH________\dialog.o
?????文件????????1592??2013-02-20?15:41??computer-build-desktop-Qt_4_8_1___PATH________\main.o
?????文件????????8325??2013-02-14?06:32??computer-build-desktop-Qt_4_8_1___PATH________\Makefile
?????文件???????43766??2013-02-21?01:28??computer-build-desktop-Qt_4_8_1___PATH________\computer
?????文件???????11246??2013-02-21?01:28??computer-build-desktop-Qt_4_8_1___PATH________\ui_dialog.h
?????文件????????9276??2013-02-20?15:44??computer-build-desktop-Qt_4_8_1___PATH________\moc_dialog.o
?????文件????????4635??2013-02-20?15:44??computer-build-desktop-Qt_4_8_1___PATH________\moc_dialog.cpp
?????文件????????5913??2013-02-21?01:28??computer\dialog.ui
?????文件???????????0??2013-02-18?04:58??computer\computer.pro.user.1.3
?????文件????????5464??2013-02-21?01:17??computer\dialog.cpp
?????文件?????????174??2013-02-12?00:56??computer\main.cpp
?????文件?????????300??2013-02-12?00:56??computer\computer.pro
?????文件?????????776??2013-02-20?15:31??computer\dialog.h
?????文件???????18571??2013-02-21?01:44??computer\computer.pro.user
?????目錄???????????0??2013-02-21?01:28??computer-build-desktop-Qt_4_8_1___PATH________\
?????目錄???????????0??2013-02-21?01:44??computer\