嵌入式系统设计..docx

嵌入式系统软件设计专业：计算机科学与技术专业班级：计科1班学号：1245713131姓名：张迎目录一、实验一2二、实验二14三、实验三36四、总结：54实验一实验内容：学习QT，进行嵌入式系统界面设计，自学QT，并利用QT设计一个计算器，能实现简单的加减乘除运算。QT安装过程：在命令行输入如下指令：安装g++。检查g++是否安装编译中间会用到。修改软件权限并执行软件。安装必要库文件。安装完成。项目名称：zyCalculator源程序：calculator.h#ifndef CALCULATOR_H#define CALCULATOR_H#includeQApplication#includeQDialog#includeQPushButton#includeQLineEditclass Calculator : public QDialog{ Q_OBJECTprotected: QLineEdit *lineEditor; QPushButton *button_0; QPushButton *button_1; QPushButton *button_2; QPushButton *button_3; QPushButton *button_4; QPushButton *button_5; QPushButton *button_6; QPushButton *button_7; QPushButton *button_8; QPushButton *button_9; QPushButton *button_ce; QPushButton *button_jia; QPushButton *button_jian; QPushButton *button_cheng; QPushButton *button_chu; QPushButton *button__; QPushButton *button_dengyu; int num1,num2,result; //标记第一个数，第二个数和结果 bool zhenghao; //数字前面的正负号 int mark; //标记是第一个还是第二个数字 char fuhao; //运算符号 QString S; //显示的字符串public: Calculator(QWidget *parent = 0); ~Calculator();private slots: void button_0_clicked(); void button_1_clicked(); void button_2_clicked(); void button_3_clicked(); void button_4_clicked(); void button_5_clicked(); void button_6_clicked(); void button_7_clicked(); void button_8_clicked(); void button_9_clicked(); void button_ce_clicked(); void button_jia_clicked(); void button_jian_clicked(); void button_cheng_clicked(); void button_chu_clicked(); void button__clicked(); void button_dengyu_clicked();};#endif // CALCULATOR_Hcalculator.cpp#includeQLayout#includeQHBoxLayout#includeQVBoxLayout#includeQLineEdit#includecmath#includecalculator.hCalculator::Calculator(QWidget *parent) : QDialog(parent){ num1=0; num2=0; result=0; zhenghao=true; mark=1; lineEditor=new QLineEdit(0);// S=; button_0=new QPushButton(0); button_1=new QPushButton(1); button_2=new QPushButton(2); button_3=new QPushButton(3); button_4=new QPushButton(4); button_5=new QPushButton(5); button_6=new QPushButton(6); button_7=new QPushButton(7); button_8=new QPush