QT Sample 计算器

#include "calculatorview.h" #include "ui_calculatorview.h" /* 项目:计算器 宽:380 高:680 按钮: 80X100 间隙: 20 */ CalculatorView::CalculatorView(QWidget *parent) : QDialog(parent),ui(new Ui::CalculatorView) { ui->setupUi(this); //init this-> temp = ""; this->model = new CalculatorModel; } CalculatorView::~CalculatorView() { delete ui; } //0 void CalculatorView::on_btn_num_0_clicked() { if(this-> temp != "") { this-> temp += this->ui->btn_num_0->text(); this->ui->tv_display->setText(this->temp); } } //1 void CalculatorView::on_btn_num_1_clicked() { this-> temp += this->ui->btn_num_1->text(); this->ui->tv_display->setText(this->temp); } //2 void CalculatorView::on_btn_num_2_clicked() { this-> temp += this->ui->btn_num_2->text(); this->ui->tv_display->setText(this->temp); } //3 void CalculatorView::on_btn_num_3_clicked() { this-> temp += this->ui->btn_num_3->text(); this->ui->tv_display->setText(this->temp); } //4 void CalculatorView::on_btn_num_4_clicked() { this-> temp += this->ui->btn_num_4->text(); this->ui->tv_display->setText(this->temp); } //5 void CalculatorView::on_btn_num_5_clicked() { this-> temp += this->ui->btn_num_5->text(); this->ui->tv_display->setText(this->temp); } //6 void CalculatorView::on_btn_num_6_clicked() { this-> temp += this->ui->btn_num_6->text(); this->ui->tv_display->setText(this->temp); } //7 void CalculatorView::on_btn_num_7_clicked() { this-> temp += this->ui->btn_num_7->text(); this->ui->tv_display->setText(this->temp); } //8 void CalculatorView::on_btn_num_8_clicked() { this-> temp += this->ui->btn_num_8->text(); this->ui->tv_display->setText(this->temp); } //9 void CalculatorView::on_btn_num_9_clicked() { this-> temp += this->ui->btn_num_9->text(); this->ui->tv_display->setText(this->temp); } //= void CalculatorView::on_btn_num_eq_clicked() { //获取num2 并且计算结果 int num = this-> temp.toInt(); this->model->setNum2(num); QString result = this->model->doCalculator(); this->ui->tv_display->setText(result); //uninit this-> temp = ""; } //c void CalculatorView::on_btn_num_c_clicked() { this->ui->tv_display->setText("请输入..."); this-> temp = ""; this->model->setNum1(0); this->model->setNum2(0); } //+ void CalculatorView::on_btn_num_add_clicked() { int num = this-> temp.toInt(); this->model->setFlag("+"); //判断如果 = 0 说明没有num1 if(num == 0) { //获取屏幕上的数字作为num1 QString display = this->ui->tv_display->text(); this->model->setNum1(display.toInt()); } else { this->model->setNum1(num); } this-> temp = ""; } //- void CalculatorView::on_btn_num_sub_clicked() { int num = this-> temp.toInt(); this->model->setFlag("-"); if(num == 0) { //获取屏幕上的数字作为num1 QString display = this->ui->tv_display->text(); this->model->setNum1(display.toInt()); } else { this->model->setNum1(num); } this-> temp = ""; } //* void CalculatorView::on_btn_num_take_clicked() { int num = this-> temp.toInt(); this->model->setFlag("*"); if(num == 0) { //获取屏幕上的数字作为num1 QString display = this->ui->tv_display->text(); this->model->setNum1(display.toInt()); } else { this->model->setNum1(num); } this-> temp = ""; } // / void CalculatorView::on_btn_num_div_clicked() { int num = this-> temp.toInt(); this->model->setFlag("/"); if(num == 0) { //获取屏幕上的数字作为num1 QString display = this->ui->tv_display->text(); this->model->setNum1(display.toInt()); } else { this->model->setNum1(num); } this-> temp = ""; }