![](https://csdnimg.cn/release/download_crawler_static/88014631/bge.jpg)
void on_pushButton6_clicked();
void on_pushButton7_clicked();
void on_pushButton8_clicked();
void on_pushButton9_clicked();
void on_pushButton_add_clicked();
void on_pushButton_sub_clicked();
void on_pushButton_x_clicked();
void on_pushButton_more_clicked();
void on_pushButton_left_clicked();
void on_pushButton_right_clicked();
void on_pushButton_clear_clicked();
void on_pushButton_del_clicked();
void on_pushButton_equal_clicked();
private:
Ui::Widget *ui;
QString expression;
int Priority(char ch);
};
#endif // WIDGET_H
4.2 程序中调用的头文件、全局变量、程序中通用的符号常量
#include "func.h"
#include "widget.h"
#include <QApplication>
#include "ui_widget.h"
#include <QDebug>
typedef struct LNode {
int coef;//系数
int exp;//指数
struct LNode *next;
} node;
char s[1280];
int e1[1280][2];
int e2[1280][2];
4.3 所有代码及函数的原型,功能、参数的意义
4.3.1 func.cpp
4.3.1.1 该程序头文件调用情况;
#include "func.h"
4.3.1.2 node *CCreate(int n, int e[][2])
node *CCreate(int n, int e[][2]) {
node *head, *p, *q;
head = (node *)malloc(sizeof(node));
p = q = head;