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79.QT解决迷宫问题(面向过程与面向对象)

面向过程:

创建一个类继承dialog,mydialog,添加两个变量

 1 #ifndef MYDIALOG_H
 2 #define MYDIALOG_H
 3 
 4 #include <QDialog>>
 5 
 6 class mydialog : public QDialog
 7 {
 8 public:
 9     mydialog();
10     int id;//代表白色可以走,1代表人物,红色,2代表障碍,黑色
11     int AI;
12 
13 public:
14     void setcolor();
15 };
16 
17 #endif // MYDIALOG_H

main.cpp中初始化

 1 #include "dialog.h"
 2 #include <QApplication>
 3 #include "mydialog.h"
 4 
 5 //矩阵数组
 6 mydialog *p[6][8];
 7 int i=1;
 8 int j = 1;
 9 
10 int main(int argc, char *argv[])
11 {
12     QApplication a(argc, argv);
13     Dialog w;
14     w.show();
15     w.move(1000,300);
16 
17     //设置颜色(背景为红色)
18     QPalette colorit(w.palette());
19     colorit.setColor(QPalette::Background,Qt::red);
20     w.setPalette(colorit);
21 
22     //绘制窗口
23     for(int i=0;i<6;i++)
24     {
25         for(int j = 0;j<8;j++)
26         {
27             p[i][j] = new mydialog;
28             p[i][j]->resize(80,80);
29             p[i][j]->move(j*100,i*100);
30             p[i][j]->show();
31             p[i][j]->id = 0;
32             p[i][j]->AI=0;
33             QPalette colorit(p[i][j]->palette());
34             colorit.setColor(QPalette::Background,Qt::white);
35             p[i][j]->setPalette(colorit);
36         }
37     }
38     //设置当前位置
39     {
40         p[i][j]->id = 1;
41         QPalette colorit(p[0][0]->palette());
42         colorit.setColor(QPalette::Background,Qt::red);
43         p[i][j]->setPalette(colorit);
44     }
45     //设置障碍
46     {
47         p[4][5]->id = 2;
48         QPalette colorit(p[4][5]->palette());
49         colorit.setColor(QPalette::Background,Qt::black);
50         p[4][5]->setPalette(colorit);
51     }
52     {
53         p[5][6]->id = 2;
54         QPalette colorit(p[4][5]->palette());
55         colorit.setColor(QPalette::Background,Qt::black);
56         p[5][6]->setPalette(colorit);
57     }
58 
59     return a.exec();
60 }

dialog.cpp中实现按钮的操作

 1 #include "dialog.h"
 2 #include "ui_dialog.h"
 3 #include "mydialog.h"
 4 
 5 //引用外部变量
 6 extern int i;
 7 extern int j;
 8 extern mydialog *p[6][8];
 9 
10 Dialog::Dialog(QWidget *parent) :
11     QDialog(parent),
12     ui(new Ui::Dialog)
13 {
14     ui->setupUi(this);
15 }
16 
17 Dialog::~Dialog()
18 {
19     delete ui;
20 }
21 
22 void Dialog::on_pushButton_clicked()
23 {
24     //up
25     if(i-1>=0 && p[i-1][j]->id<1)
26     {
27             QPalette colorit(p[i][j]->palette());
28             colorit.setColor(QPalette::Background,Qt::white);
29             p[i][j]->setPalette(colorit);
30             p[i][j]->id = 0;
31             i-=1;
32             {
33                 QPalette colorit(p[i][j]->palette());
34                 colorit.setColor(QPalette::Background,Qt::red);
35                 p[i][j]->setPalette(colorit);
36                 p[i][j]->id = 1;
37             }
38     }
39 }
40 
41 void Dialog::on_pushButton_4_clicked()
42 {
43     //down
44     if(i+1<6 && p[i+1][j]->id<1)
45     {
46             QPalette colorit(p[i][j]->palette());
47             colorit.setColor(QPalette::Background,Qt::white);
48             p[i][j]->setPalette(colorit);
49             p[i][j]->id = 0;
50             i+=1;
51             {
52                 QPalette colorit(p[i][j]->palette());
53                 colorit.setColor(QPalette::Background,Qt::red);
54                 p[i][j]->setPalette(colorit);
55                 p[i][j]->id = 1;
56             }
57     }
58 }
59 
60 void Dialog::on_pushButton_2_clicked()
61 {
62     //left
63     if(j-1>=0 && p[i][j-1]->id<1)
64     {
65             QPalette colorit(p[i][j]->palette());
66             colorit.setColor(QPalette::Background,Qt::white);
67             p[i][j]->setPalette(colorit);
68             p[i][j]->id = 0;
69             j-=1;
70             {
71                 QPalette colorit(p[i][j]->palette());
72                 colorit.setColor(QPalette::Background,Qt::red);
73                 p[i][j]->setPalette(colorit);
74                 p[i][j]->id = 1;
75             }
76     }
77 }
78 
79 void Dialog::on_pushButton_3_clicked()
80 {
81     //right
82     if(j+1<8 && p[i][j+1]->id<1)
83     {
84             QPalette colorit(p[i][j]->palette());
85             colorit.setColor(QPalette::Background,Qt::white);
86             p[i][j]->setPalette(colorit);
87             p[i][j]->id = 0;
88             j+=1;
89             {
90                 QPalette colorit(p[i][j]->palette());
91                 colorit.setColor(QPalette::Background,Qt::red);
92                 p[i][j]->setPalette(colorit);
93                 p[i][j]->id = 1;
94             }
95     }
96 }

面向对象:

mg.h

 1 #ifndef MG_H
 2 #define MG_H
 3 #include "mydialog.h"
 4 
 5 class mg
 6 {
 7 private:
 8     //位置
 9     int i;
10     int j;
11     //宽度,深度
12     int width;
13     int depth;
14     mydialog ***ppp;
15 public:
16     mg(int w,int d);
17     ~mg();
18     void up();
19     void down();
20     void left();
21     void right();
22     void setnotrun(int x,int y);
23 
24 };
25 
26 #endif // MG_H

mg.cpp

  1 #include "mg.h"
  2 
  3 mg::mg(int w,int d)
  4 {
  5     //设置长度和宽度
  6     this->width = w;
  7     this->depth = d;
  8     this->ppp = new mydialog **[this->depth];//开辟二级指针数组
  9     for(int i=0;i<this->depth;i++)
 10     {
 11         this->ppp[i] = new mydialog *[this->width];
 12         //j代表的是每一行的第几个
 13         for(int j=0;j<this->width;j++)
 14         {
 15             this->ppp[i][j] = new mydialog;
 16             this->ppp[i][j]->resize(80,80);
 17             //           前面乘的是列 后面乘的是行
 18             this->ppp[i][j]->move(i*100,j*100);
 19             this->ppp[i][j]->show();
 20 
 21             QPalette colorit(this->ppp[i][j]->palette());
 22             colorit.setColor(QPalette::Background,Qt::white);
 23            this->ppp[i][j]->setPalette(colorit);
 24            this->ppp[i][j]->id = 0;
 25         }
 26     }
 27 
 28     //初始化初始位置
 29     QPalette colorit(this->ppp[1][1]->palette());
 30     colorit.setColor(QPalette::Background,Qt::red);
 31     this->ppp[1][1]->setPalette(colorit);
 32     this->ppp[1][1]->id = 1;
 33     //标识位置
 34     this->i = 1;
 35     this->j = 1;
 36 }
 37 
 38 mg::~mg()
 39 {
 40     for(int i=0;i<this->depth;i++)
 41     {
 42         for(int j=0;j<this->width;j++)
 43         {
 44             delete this->ppp[i][j];
 45         }
 46         delete [] this->ppp[i];
 47     }
 48     delete[] this->ppp;
 49 }
 50 
 51 void mg::up()
 52 {
 53     if(j-1>=0 && ppp[i][j-1]->id<1)
 54     {
 55             QPalette colorit(ppp[i][j]->palette());
 56             colorit.setColor(QPalette::Background,Qt::white);
 57             ppp[i][j]->setPalette(colorit);
 58             ppp[i][j]->id = 0;
 59             j-=1;
 60             {
 61                 QPalette colorit(ppp[i][j]->palette());
 62                 colorit.setColor(QPalette::Background,Qt::red);
 63                 ppp[i][j]->setPalette(colorit);
 64                 ppp[i][j]->id = 1;
 65             }
 66     }
 67 
 68 }
 69 
 70 void mg::down()
 71 {
 72     if(j+1<this->width && ppp[i][j+1]->id<1)
 73     {
 74             QPalette colorit(ppp[i][j]->palette());
 75             colorit.setColor(QPalette::Background,Qt::white);
 76             ppp[i][j]->setPalette(colorit);
 77             ppp[i][j]->id = 0;
 78             j+=1;
 79             {
 80                 QPalette colorit(ppp[i][j]->palette());
 81                 colorit.setColor(QPalette::Background,Qt::red);
 82                 ppp[i][j]->setPalette(colorit);
 83                 ppp[i][j]->id = 1;
 84             }
 85     }
 86 }
 87 
 88 void mg::left()
 89 {
 90     if(i-1>=0 && ppp[i-1][j]->id<1)
 91     {
 92             QPalette colorit(ppp[i][j]->palette());
 93             colorit.setColor(QPalette::Background,Qt::white);
 94             ppp[i][j]->setPalette(colorit);
 95             ppp[i][j]->id = 0;
 96             i-=1;
 97             {
 98                 QPalette colorit(ppp[i][j]->palette());
 99                 colorit.setColor(QPalette::Background,Qt::red);
100                 ppp[i][j]->setPalette(colorit);
101                 ppp[i][j]->id = 1;
102             }
103     }
104 }
105 
106 void mg::right()
107 {
108 
109     if(i+1<this->depth && ppp[i+1][j]->id<1)
110     {
111             QPalette colorit(ppp[i][j]->palette());
112             colorit.setColor(QPalette::Background,Qt::white);
113             ppp[i][j]->setPalette(colorit);
114             ppp[i][j]->id = 0;
115             i+=1;
116             {
117                 QPalette colorit(ppp[i][j]->palette());
118                 colorit.setColor(QPalette::Background,Qt::red);
119                 ppp[i][j]->setPalette(colorit);
120                 ppp[i][j]->id = 1;
121             }
122     }
123 }
124 
125 //设置障碍
126 void mg::setnotrun(int x, int y)
127 {
128     if((x>=0 && x<this->width) && (y>=0 && y<this->depth))
129     {
130         QPalette colorit(ppp[x][y]->palette());
131         colorit.setColor(QPalette::Background,Qt::black);
132         ppp[y][x]->setPalette(colorit);
133         ppp[y][x]->id = 2;
134     }
135 }

mydialog.h

 1 #ifndef MYDIALOG_H
 2 #define MYDIALOG_H
 3 
 4 #include <QDialog>>
 5 
 6 class mydialog : public QDialog
 7 {
 8 public:
 9     mydialog();
10     int id;//代表白色可以走,1代表人物,红色,2代表障碍,黑色
11     int AI;
12 
13 public:
14     void setcolor();
15 };
16 
17 #endif // MYDIALOG_H

mydialog.cpp

1 #include "mydialog.h"
2 
3 mydialog::mydialog()
4 {
5 
6 }

dialog.h

 1 #ifndef DIALOG_H
 2 #define DIALOG_H
 3 
 4 #include <QDialog>
 5 #include"mg.h"
 6 
 7 namespace Ui {
 8 class Dialog;
 9 }
10 
11 class Dialog : public QDialog
12 {
13     Q_OBJECT
14 
15 public:
16     explicit Dialog(QWidget *parent = 0);
17     ~Dialog();
18 
19 private slots:
20     void on_pushButton_clicked();
21 
22     void on_pushButton_4_clicked();
23 
24     void on_pushButton_2_clicked();
25 
26     void on_pushButton_3_clicked();
27 
28 private:
29     Ui::Dialog *ui;
30     mg *pm;
31 };
32 
33 #endif // DIALOG_H

dialog.cpp

 1 #include "dialog.h"
 2 #include "ui_dialog.h"
 3 #include "mydialog.h"
 4 #include "mg.h"
 5 
 6 //引用外部变量
 7 extern mg *m;
 8 
 9 
10 Dialog::Dialog(QWidget *parent) :
11     QDialog(parent),
12     ui(new Ui::Dialog)
13 {
14     pm = new mg(6,8);
15     pm->setnotrun(3,4);
16     pm->setnotrun(4,3);
17     ui->setupUi(this);
18 }
19 
20 Dialog::~Dialog()
21 {
22     delete ui;
23 }
24 
25 void Dialog::on_pushButton_clicked()
26 {
27     //up
28    //m->up();
29     pm->up();
30 }
31 
32 void Dialog::on_pushButton_4_clicked()
33 {
34     //down
35    //m->down();
36     pm->down();
37 }
38 
39 void Dialog::on_pushButton_2_clicked()
40 {
41     //left
42    // m->left();
43     pm->left();
44 }
45 
46 void Dialog::on_pushButton_3_clicked()
47 {
48     //right
49     // m->right();
50     pm->right();
51 }

main.cpp

 1 #include "dialog.h"
 2 #include <QApplication>
 3 #include "mydialog.h"
 4 #include "mg.h"
 5 
 6 mg *m;
 7 
 8 int main(int argc, char *argv[])
 9 {
10     QApplication a(argc, argv);
11     Dialog w;
12     w.show();
13     w.move(1000,300);
14 
15     //设置颜色(背景为红色)
16     QPalette colorit(w.palette());
17     colorit.setColor(QPalette::Background,Qt::red);
18     w.setPalette(colorit);
19 
20     //矩阵数组
21     //mg *m = new mg(6,8);
22 
23     return a.exec();
24 }

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原文地址：https://www.cnblogs.com/xiaochi/p/8581075.html