基于EasyX图形库的C/C++实战项目——西南大学大一C语言程序设计|课程设计《多功能应用平台》

目录

一、扫雷

二、迷宫

三、通讯录

四、核心代码

---

一、扫雷

功能简介：1.   棋盘设置 2.    设置模式 3.   红旗标志 4.  递归展开（DFS）

扫雷

二、迷宫

功能介绍： 1.   二维矩阵设置 2.   键盘输入 3.   自动求解（回溯）

迷宫

三、通讯录

功能介绍：1.    设计模板 2.    添加、删除、查找 3.    文件操作 4.    用户栏信息展开 5.    排序与优化

可视化通讯录

四、核心代码

1. Interface.cpp

#define _CRT_SECURE_NO_WARNINGS 1
#undef UNICODE
#undef _UNICODE

#include 
#include 
#include 
#include 
#include   
#pragma comment(lib,"winmm.lib")
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
using namespace std;

//1. Minesweeper
#define ROW 10
#define COL 10
#define ROWS ROW+2
#define COLS COL+2
#define MODE_EAZY 10
#define MODE_MID 15
#define MODE_HARD 20

void InitBoard(char Board[ROWS][COLS], int rows, int cols, int set);
void SetBoard(char Board[ROWS][COLS], int row, int col, int mode);
void StartToPlay(char inBoard[ROWS][COLS], char outBoard[ROWS][COLS], int row, int col, int mode, int* keep_playing);

//2. Mazegame
#define mROW 21
#define mCOL 29
void MazeGame();

//3. Contact
#define NAME_MAX 16
#define SEX_MAX 8
#define ADD_MAX 16
#define TELE_MAX 16
#define KEY_MAX 16
#define CON_MAX 32
#define AVA_MAX 32

typedef struct PeoInfo  //通过学号定位
{
	long long stu_number;  //学号
	char name[NAME_MAX];
	char key[KEY_MAX];  //密码
	int age;
	char sex[SEX_MAX];
	char address[ADD_MAX];
	char tele[TELE_MAX];
	char contact[CON_MAX];   //该学生的通讯录
	char avatar[AVA_MAX];   //头像
}IP;

void ContactInter(IP info, unordered_map ID, long long* saveId);

//基于map的所有用户管理
void LoadStudentsID(unordered_map& ID);
void SaveStudentsID(long long* id, IP* info);
void DelstudentsID(long long del);

2.Minesweeper.cpp

#define _CRT_SECURE_NO_WARNINGS 1
#include "Interface.h"

void InitBoard(char Board[ROWS][COLS], int rows, int cols, int set) {
	for (int i = 0; i < rows; i++) {
		for (int j = 0; j < cols; j++) {
			Board[i][j] = set;
		}
	}
}

//踩雷之后展示整个棋盘
void DisPlayBoardGra(char Board[ROWS][COLS], int r, int c) {
	for (int i = 1; i < ROWS-1; i++) {
		for (int j = 1; j < COLS-1; j++) { 
			if (i == r && j == c) continue;

			if (Board[i][j] - '0' == 1) {
				
				IMAGE bomb;
				loadimage(&bomb, "image_minesweeper\\bomb.jpg");
				putimage(100 + (j - 1) * 40, 100 + (i - 1) * 40, &bomb);
			}
			else {
				IMAGE blank2;
				loadimage(&blank2, "image_minesweeper\\blank.jpg");
				putimage(100 + (j - 1) * 40, 100 + (i - 1) * 40, &blank2);
			}
			Sleep(75); 
		}
	}
}

//随机放置mode个数的雷到底层棋盘中
void SetBoard(char Board[ROWS][COLS], int row, int col, int mode){
	int count = mode;
	while (count){
		int x = rand() % row + 1;
		int y = rand() % col + 1;
		if (Board[x][y] != '1'){
			Board[x][y] = '1';
			count--;
		}
	}
}

//计算周围雷的数量
int Count(char inBoard[ROWS][COLS], int x, int y){
	return (inBoard[x - 1][y - 1] + inBoard[x - 1][y] + inBoard[x][y - 1] +
		inBoard[x + 1][y - 1] + inBoard[x + 1][y] + inBoard[x + 1][y + 1] +
		inBoard[x][y + 1] + inBoard[x - 1][y + 1] - 8 * '0');
}

void LookForRay(char inBoard[ROWS][COLS], char outBoard[ROWS][COLS], int x, int y, int* win){
	if (outBoard[x][y] == 'F') return;  //递归到红旗返回

	if (inBoard[x][y] == '0')
		*win -= 1;    //记录win
	char sum = Count(inBoard, x, y);   //计算周围雷的个数：越界问题？
	outBoard[x][y] = sum + '0';

	//显示该点周围雷的个数
	char sum_str[30];
	sprintf(sum_str, "image_minesweeper\\%d.jpg", sum);    // 用sprintf合并字符串，通过文件相对位置找到对应图片
	IMAGE number;
	loadimage(&number, sum_str);
	putimage(100 + (y - 1) * 40, 100 + (x - 1) * 40, &number);

	//该坐标周围没有雷，想周围递归
	if (outBoard[x][y] == '0'){
		IMAGE blank;
		loadimage(&blank, "image_minesweeper\\blank.jpg");
		putimage(100 + (y - 1) * 40, 100 + (x - 1) * 40, &blank);

		if (x - 1 >= 1 && x - 1 <= ROW && y - 1 >= 1 && y - 1 <= COL && outBoard[x - 1][y - 1] == '*')    //递归条件：递归坐标未被排点，
			LookForRay(inBoard, outBoard, x - 1, y - 1, win);    //win为地址

		if (x - 1 >= 1 && x - 1 <= ROW && y >= 1 && y <= COL && outBoard[x - 1][y] == '*')
			LookForRay(inBoard, outBoard, x - 1, y, win);

		if (x - 1 >= 1 && x - 1 <= ROW && y + 1 >= 1 && y + 1 <= COL && outBoard[x - 1][y + 1] == '*')
			LookForRay(inBoard, outBoard, x - 1, y + 1, win);

		if (x >= 1 && x <= ROW && y - 1 >= 1 && y - 1 <= COL && outBoard[x][y - 1] == '*')
			LookForRay(inBoard, outBoard, x, y - 1, win);

		if (x >= 1 && x <= ROW && y + 1 >= 1 && y + 1 <= COL && outBoard[x][y + 1] == '*')
			LookForRay(inBoard, outBoard, x, y + 1, win);

		if (x + 1 >= 1 && x + 1 <= ROW && y - 1 >= 1 && y - 1 <= COL && outBoard[x + 1][y - 1] == '*')
			LookForRay(inBoard, outBoard, x + 1, y - 1, win);

		if (x + 1 >= 1 && x + 1 <= ROW && y >= 1 && y <= COL && outBoard[x + 1][y] == '*')
			LookForRay(inBoard, outBoard, x + 1, y, win);

		if (x + 1 >= 1 && x + 1 <= ROW && y + 1 >= 1 && y + 1 <= COL && outBoard[x + 1][y + 1] == '*')
			LookForRay(inBoard, outBoard, x + 1, y + 1, win);
	}
}

void StartToPlay(char inBoard[ROWS][COLS], char outBoard[ROWS][COLS], int row, int col, int mode, int* keep_playing){
	int r = 0;
	int c = 0;
	int win = row * col - mode;   //当win等于0时，即剩下的格子全是雷时，判断胜利
	bool die = false;
	//数量
	int flag = mode;
	char flag_str[5];
	//防止一开始就踩雷
	int deathfree = 0;
	char deathfree_str[20];
	if (mode == MODE_EAZY) deathfree = 1;
	if (mode == MODE_MID) deathfree = 2;
	if (mode == MODE_HARD) deathfree = 3;

	//判断循环条件
	while (win && !die){
		if (MouseHit()) {
			MOUSEMSG msg = GetMouseMsg();
			switch (msg.uMsg) {
				case WM_LBUTTONDOWN: {
					r = ((msg.y - 100) / 40) + 1;   // 5位棋盘格一小格的宽度 10 * 50 = 500
					c = ((msg.x - 100) / 40) + 1;
					if (msg.x > 830 && msg.x < 970 && msg.y > 525 && msg.y < 580) {
						*keep_playing = 0;  //退出游戏，返回扫雷界面
						return;
					}

					if (r >= 1 && r <= row && c >= 1 && c <= col) {
						if (outBoard[r][c] == 'F') break;   //点击已插旗的格子

						//一开始踩到雷的情况 ：将该点插入红旗，提醒该点有雷，放置一开始就点到雷
						if (inBoard[r][c] == '1' && deathfree > 0) {
							Beep(494, 200);
							//减少红旗并插入红旗
							flag--;  
							outBoard[r][c] = 'F';
							IMAGE FLAG;
							loadimage(&FLAG, "image_minesweeper\\flag.jpg");
							putimage(100 + (c - 1) * 40, 100 + (r - 1) * 40, &FLAG);
							IMAGE flag_board;
							loadimage(&flag_board, "image_minesweeper\\flag_board.jpg");
							putimage(700, 40, &flag_board);
							sprintf(flag_str, "%d", flag);
							outtextxy(850, 40, (flag_str));
							deathfree--;
							sprintf(deathfree_str, "剩余防弹衣：%d", deathfree);
							HWND hWnd = GetHWnd();
							MessageBox(hWnd, deathfree_str, "! ! ! ! ! ! !", MB_OKCANCEL);
							break;
						}
						if (inBoard[r][c] == '1' && deathfree == 0) {
							mciSendString("open bomb.mp3", 0, 0, 0);
							mciSendString("play bomb.mp3", 0, 0, 0);
							IMAGE red_bomb;
							loadimage(&red_bomb, "image_minesweeper\\red_bomb.jpg");
							putimage(100 + (c - 1) * 40, 100 + (r - 1) * 40, &red_bomb);
							DisPlayBoardGra(inBoard, r, c);   //展示整个棋盘
							die = true;   //将die置为true跳出外层的while循环
							break;
						}
						if (outBoard[r][c] != '*') {
							break;
						}
						LookForRay(inBoard, outBoard, r, c, &win);   //排雷:DFS -->  54

						if (deathfree > 0)  //最开始的前几此排雷对deathfree--；
							deathfree--;
					}
					break;
				}
				//右键插入红旗 ： 该坐标有旗与无旗？ 剩余红旗？
				case WM_RBUTTONDOWN: {
					r = ((msg.y - 100) / 40) + 1;  
					c = ((msg.x - 100) / 40) + 1;
					if (r > 0 && r < 11 && c > 0 && c < 11) {
						if (outBoard[r][c] == '*' && outBoard[r][c] != 'F') {
							outBoard[r][c] = 'F';
							if (flag == 0) {
								Beep(494, 200);//震动提示
								HWND hWnd = GetHWnd();
								MessageBox(hWnd, "无剩余红旗可用!", "无剩余红旗可用!", MB_OKCANCEL);
								break;
							}
							flag--;

							IMAGE flag_board;
							loadimage(&flag_board, "image_minesweeper\\flag_board.jpg");
							putimage(700, 40, &flag_board);
							sprintf(flag_str, "%d", flag);
							outtextxy(850, 40, flag_str);

							//放置
							IMAGE FLAG;
							loadimage(&FLAG, "image_minesweeper\\flag.jpg");
							putimage(100 + (c - 1) * 40, 100 + (r - 1) * 40, &FLAG);
						}
						else if (outBoard[r][c] == 'F') {
							outBoard[r][c] = '*';
							//回收
							IMAGE back;
							loadimage(&back, "image_minesweeper\\back.jpg");
							putimage(100 + (c - 1) * 40, 100 + (r - 1) * 40, &back);

							flag++;
							IMAGE flag_board;
							loadimage(&flag_board, "image_minesweeper\\flag_board.jpg");
							putimage(700, 40, &flag_board);
							sprintf(flag_str, "%d", flag);
							outtextxy(850, 40, flag_str);
						}
					}
					break;
				}
			}
		}
	}
	
	IMAGE end;
	loadimage(&end, "image_minesweeper\\end.jpg");
	putimage(200, 150, &end);
	if (win == 0) {
		settextcolor(RGB(250, 51, 57));
		outtextxy(280, 100, "!!!WIN!!!");
	}
	while (1) {
		if (MouseHit()) {
			MOUSEMSG msg = GetMouseMsg();
			switch (msg.uMsg) {
			case WM_LBUTTONDOWN: {
				if (msg.x > 200 && msg.x < 800 && msg.y > 150 && msg.y < 300) {
					return;     //keep_playing未改变，继续玩
				}
				if (msg.x > 200 && msg.x < 800 && msg.y > 300 && msg.y < 450) {
					*keep_playing = 0;   //返回扫雷界面
					return;
				}
			}
			}
		}
	}
}

3.Mazegame.cpp

#define _CRT_SECURE_NO_WARNINGS 1
#include "Interface.h"

vector path;
bool BackTracking(int maze[mROW][mCOL], int r, int c, int move[4][2], char moveS[4]) {
	if (r == 19 && c == 27) return true;   //找到出口

	if (maze[r - 1][c] == 1 && maze[r + 1][c] == 1 && maze[r][c + 1] == 1 && maze[r][c - 1] == 1) {
		return false;    //四面均被堵，返回false,回溯，另外求解
	}

	for (int i = 0; i < 4; i++) {
		if (maze[r + move[i][0]][c + move[i][1]] == 1) continue;
		path.push_back(moveS[i]);
		maze[r + move[i][0]][c + move[i][1]] = 1;    //将来路封锁，防止无限递归

		if (BackTracking(maze, r + move[i + 4][0], c + move[i + 4][1], move, moveS)) return true;   //找到出口连续返回true
		else {
			path.pop_back();    //弹出path中的走向
			maze[r + move[i][0]][c + move[i][1]] = 0;     //将该去路封锁 ：表示该路找不到答案
		}
	}
	return false;    //四路都无答案，返回false（可有可无）
}

void AutomaticSolving(int maze[mROW][mCOL], int startrow, int startcol) {
	char moveS[4] = { 's', 'w', 'd', 'a' };
	int move[8][2] = { {1,0},{-1, 0},{0, 1},{0, -1},{2,0},{-2, 0},{0, 2},{0, -2} };    //前四个为行走方向，后四个为行走步长
	BackTracking(maze, startrow, startcol, move, moveS);    从目前[startrow, startcol]位置开始寻找答案：回溯->获得解决方案  -> 5

	int i = startrow;   
	int j = startcol;
	int x = 4 + (j / 2) * 50;
	int y = 4 + (i / 2) * 50;
	settextcolor(RED);
	IMAGE mazeimage;
	loadimage(&mazeimage, "image_mazegame\\迷宫.jpg");
	IMAGE boger;
	loadimage(&boger, "image_mazegame\\博哥.jpg", 45, 45);

	for (char move : path) {    //读出path中的行走路径
		cleardevice();
		putimage(0, 0, &mazeimage);
		putimage(x, y, &boger);

		if (move == 'w') {
			i -= 2;
			y -= 50;
		} else if (move == 's') {
			i += 2;
			y += 50;
		} else if (move == 'a') {
			j -= 2;
			x -= 50;
		} else {
			j += 2;
			x += 50;
		}
		Sleep(100);
	}
}

void MazeGame(){
	int maze[mROW][mCOL] = { {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1},{1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,1,0,0,0,0,0,1},
		{1,0,1,0,1,1,1,1,1,0,1,1,1,1,1,0,1,0,1,0,1,0,1,0,1,1,1,0,1},{1,0,1,0,1,0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,1,0,0,0,1,0,1,0,1},{1,0,1,0,1,0,1,1,1,1,1,0,1,0,1,0,1,0,1,1,1,1,1,1,1,0,1,0,1},
		{1,0,1,0,1,0,0,0,1,0,0,0,1,0,0,0,1,0,1,0,0,0,1,0,0,0,1,0,1},{1,0,1,1,1,1,1,0,1,0,1,1,1,1,1,1,1,0,1,0,1,0,1,0,1,0,1,0,1},
		{1,0,0,0,1,0,0,0,1,0,1,0,0,0,0,0,0,0,1,0,1,0,1,0,1,0,1,0,1},{1,1,1,0,1,0,1,1,1,0,1,1,1,0,1,1,1,1,1,0,1,0,1,0,1,0,1,0,1},
		{1,0,1,0,1,0,1,0,0,0,0,0,1,0,0,0,1,0,0,0,1,0,1,0,1,0,0,0,1},{1,0,1,0,1,0,1,1,1,1,1,0,1,1,1,0,1,0,1,1,1,0,1,0,1,1,1,1,1},
		{1,0,0,0,1,0,0,0,0,0,1,0,0,0,1,0,1,0,1,0,1,0,1,0,1,0,0,0,1},{1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,0,1,0,1,1,1,1,1,0,1},
		{1,0,0,0,1,0,1,0,0,0,1,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,1,0,1},{1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,1,1,0,1,1,1,1,1,0,1},
		{1,0,1,0,0,0,1,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1},{1,0,1,1,1,0,1,0,1,1,1,1,1,1,1,1,1,0,1,1,1,1,1,0,1,1,1,1,1},
		{1,0,1,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,1,0,0,0,1},{1,0,1,0,1,1,1,1,1,1,1,1,1,0,1,0,1,1,1,1,1,1,1,1,1,0,1,0,1},
		{1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0,1},{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1} };
	while (1) {
		int i = 1;  //行  (初始坐标)
		int j = 1; //列
		int learnPoint = 90;
		char lPointstr[20];

		settextcolor(RED);
		IMAGE mazeimage;
		loadimage(&mazeimage, "image_mazegame\\迷宫.jpg");
		IMAGE boger;
		loadimage(&boger, "image_mazegame\\博哥.jpg", 45, 45);

		int x = 4;
		int y = 4;
		int Armor = 3;   //护甲，撞墙时-1
		char armorStr[20];
		while (i != 19 || j != 27) {

			FlushBatchDraw();
			cleardevice();
			putimage(0, 0, &mazeimage);
			putimage(x, y, &boger);
			sprintf(lPointstr, "所剩学分：%d", learnPoint);
			outtextxy(700, 300, lPointstr);
			EndBatchDraw();


			if (MouseHit()) {
				MOUSEMSG msg = GetMouseMsg();
				switch (msg.uMsg) {
				case WM_LBUTTONDOWN:
					if (msg.x > 700 && msg.x < 800 && msg.y > 357 && msg.y < 400) {
						AutomaticSolving(maze, i, j);   //自动求解  ->  26
						i = 19; j = 27;   //将横纵坐标设置未终点位置，跳出while之后，判断为游戏胜利
						break;
					}
					if (msg.x > 700 && msg.x < 800 && msg.y > 10 && msg.y < 52) {
						return;
					}
				}
			}

			if (GetAsyncKeyState(VK_UP))
			{
				if (maze[i - 1][j] == 1) {
					if (Armor == 0)
						break;
					else {
						Beep(494, 200);
						Armor--;
						sprintf(armorStr, "剩余护甲值：%d", Armor);
						HWND hWnd = GetHWnd();
						MessageBox(hWnd, armorStr, "! ! ! ! ! ! !", MB_OKCANCEL);
						continue;
					}
				}
				i -= 2;
				y -= 50;
				learnPoint--; 
				Sleep(300);
			}
			else if (GetAsyncKeyState(VK_DOWN))
			{
				if (maze[i + 1][j] == 1) {
					if (Armor == 0)
						break;
					else {
						Beep(494, 200);
						Armor--;
						sprintf(armorStr, "剩余护甲值：%d", Armor);
						HWND hWnd = GetHWnd();
						MessageBox(hWnd, armorStr, "! ! ! ! ! ! !", MB_OKCANCEL);
						continue;
					}
				}
				i += 2;
				y += 50;
				learnPoint--;
				Sleep(300);
			}
			else if (GetAsyncKeyState(VK_LEFT))
			{
				if (maze[i][j - 1] == 1) {
					if (Armor == 0)
						break;
					else {
						Beep(494, 200);
						Armor--;
						sprintf(armorStr, "剩余护甲值：%d", Armor);
						HWND hWnd = GetHWnd();
						MessageBox(hWnd, armorStr, "! ! ! ! ! ! !", MB_OKCANCEL);
						continue;
					}
				}
				j -= 2;
				x -= 50;
				learnPoint--;
				Sleep(300);
			}
			else if (GetAsyncKeyState(VK_RIGHT))
			{
				if (maze[i][j + 1] == 1) {
					if (Armor == 0)
						break;
					else {
						Beep(494, 200);
						Armor--;
						sprintf(armorStr, "剩余护甲值：%d", Armor);
						HWND hWnd = GetHWnd();
						MessageBox(hWnd, armorStr, "! ! ! ! ! ! !", MB_OKCANCEL);
						continue;
					}
				}
				j += 2;
				x += 50;
				learnPoint--;
				Sleep(300);
			}
			if (learnPoint < 0) break;
		} 

		//三种结束情况
		if (learnPoint < 0) {
			int lod = -500;
			IMAGE game_over_point;
			loadimage(&game_over_point, "image_mazegame\\game_over_point.jpg");
			while (lod <= 0) {
				BeginBatchDraw();
				cleardevice();
				putimage(0, lod, &game_over_point);
				EndBatchDraw();
				lod++;
				Sleep(1);
			}
		}
		else if (i == 19 && j == 27) {
			int lod = 500;
			IMAGE game_over_win;
			loadimage(&game_over_win, "image_mazegame\\game_over_win.jpg");
			while (lod >= 0) {
				BeginBatchDraw();
				cleardevice();
				putimage(0, lod, &game_over_win);
				EndBatchDraw();
				lod--;
				Sleep(1);
			}
		}
		else if (maze[i - 1][j] == 1 || maze[i + 1][j] == 1 || maze[i][j - 1] == 1 || maze[i][j + 1] == 1) {
			int lod = 800;
			IMAGE game_over_die;
			loadimage(&game_over_die, "image_mazegame\\game_over_die.jpg");
			while (lod >= 0) {
				BeginBatchDraw();
				cleardevice();
				putimage(lod, 0, &game_over_die);
				EndBatchDraw();
				lod--;
				Sleep(1);
			}
		}

		while (1) {
			if (MouseHit()) {
				MOUSEMSG msg = GetMouseMsg();
				switch (msg.uMsg) {
				case WM_LBUTTONDOWN: 
					if (msg.x > 228 && msg.x < 571 && msg.y > 200 && msg.y < 300) {
						goto AGAIN;   //返回到最外层的while循环
					}
					if (msg.x > 228 && msg.x < 571 && msg.y > 300 && msg.y < 400) {
						return;
					}
				}
			}
		}
	AGAIN:
		printf("keeping playing!\n");
	}

}

5.Contact.cpp 

#define _CRT_SECURE_NO_WARNINGS 1
#include "Interface.h"

//判断通讯录中是否已经有这个人
bool IsAdd(vector user, long long stu_number) {
	for (IP* contact : user) {
		if (contact->stu_number == stu_number) {
			return true;  //如果已添加此人，则返回true
		}
	}
	return false;
}

//用于AddContact() 与 SearchContact() 函数的相互添加功能（考虑当添加-删除-添加后，如何防止对方用户重复添加）    
void InterAdd(long long stu_number, unordered_map ID, IP info) {   
	//判断之前对方是否已经添加过登录用户
	FILE* pfr = fopen(ID[stu_number].contact, "rb");   //ID[stu_number].contact ---> 访问对方通讯录
	IP* ret = (IP*)malloc(sizeof(IP));
	while (fread(ret, sizeof(IP), 1, pfr)) {
		if (ret->stu_number == info.stu_number) {
			fclose(pfr);
			return;
		}
	}
	fclose(pfr);
	//若无重复则添加
	FILE* pf = fopen(ID[stu_number].contact, "ab");
	fwrite(&info, sizeof(IP), 1, pf);
	fclose(pf);
}

//bug：map传地址，否则添加到vector的指针是出函数会被摧毁
void AddContact(vector& user, unordered_map& ID, IP info) {    
	while (1) {
		long long stu_number;
		printf("学号:>");
		scanf("%lld", &stu_number);
		//考虑三种情况： 已添加、 添加自己、 添加用户不存在
		if (!ID.count(stu_number)) {
			printf("查无此人，请重新输入！！\n");
			continue;
		}
		else if (stu_number == info.stu_number) {
			printf("无法添加自己，请重新输入！！\n");
			continue;
		}
		else if (IsAdd(user, stu_number)) {
			printf("已添加此人，请重新输入\n");
		}
		else {
			user.push_back(&ID[stu_number]);
			InterAdd(stu_number, ID, info);
			return;
		}
	}
}

//删除个人账户中的联系人（不删除对方用户的通讯录中自己的信息）
void DelectContact(vector& user) {
	if (user.empty()) {
		printf("通讯录为空，无法删除\n");
		return;
	}
	char name[NAME_MAX];
	printf("请输入你要删除的名字：>");
	scanf("%s", name);
	IP* search = nullptr;
	for (int i = 0; i < user.size(); i++) {
		if (!strcmp(name, user[i]->name)) {
			search = user[i];
			break;
		}
	}
	if (!search) return;   

	auto del = find(user.begin(), user.end(), search);    //find函数返回迭代器，指向search，配合erase删除search
	if (del == user.end()) {
		printf("没有你要查找的人\n");
		return;
	}
	user.erase(del);
	printf("删除成功！\n");
	//删除后SaveContact() 保存txt文档
}

//查找ID里的用户  --- 返回true表示查找后添加 ， 返回false表示查找后没有添加
bool SearchContact(vector& user, unordered_map& ID, IP info) {
	printf("请输入学号：>");
	long long stu_number;
	scanf("%lld", &stu_number);
	if (!ID.count(stu_number)) {
		printf("查无此人!\n");
		return false;
	}
	else {
		//展示该用户信息
		IP people = ID[stu_number];
		IMAGE search;
		loadimage(&search, "image_contact\\search.jpg");
		putimage(200, 200, &search);
		settextstyle(22, 0, "黑体");
		outtextxy(278, 224, people.name);

		char str_number[20] = { '\0' };
		sprintf(str_number, "%lld", people.stu_number);
		outtextxy(486, 224, str_number);

		char str_age[20] = { '\0' };
		sprintf(str_age, "%d", people.age);
		outtextxy(278, 290, str_age);

		outtextxy(500, 290, people.sex);
		outtextxy(278, 354, people.tele);
		outtextxy(544, 354, people.address);

		while (1) {
			if (MouseHit()) {
				MOUSEMSG msg = GetMouseMsg();
				switch (msg.uMsg) {
				case WM_LBUTTONDOWN: 
					//添加此人
					if (msg.x > 250 && msg.x < 400 && msg.y > 400 && msg.y < 450) {
						if (stu_number == info.stu_number) {
							HWND hWnd = GetHWnd();
							MessageBox(hWnd, "无法添加自己", "! ! ! ! ! ! !", MB_OKCANCEL);
							continue;
						}
						else if (IsAdd(user, stu_number)) {    //在链表中查找是否已经添加了该用户， 如果已添加返回true
							HWND hWnd = GetHWnd();
							MessageBox(hWnd, "已添加该用户", "! ! ! ! ! ! !", MB_OKCANCEL);
							continue;
						}
						else {
							user.push_back(&ID[stu_number]); 
							InterAdd(stu_number, ID, info);
							return true;   //若添加返回true, 保存txt文档
						}
					}
					//返回
					else if (msg.x > 500 && msg.x < 650 && msg.y > 400 && msg.y < 450) {
						return false;   //没添加则无需保存
					}
				}
			}
		}
	}
}

//注销学生账户(从map中将该学生信息销毁)
void DelstudentsID(long long del) {
	FILE* pf1 = fopen("studentsID.txt", "rb");  //读数据   
	FILE* pf2 = fopen("del_tmp.txt", "wb");    //写入临时文件
	
	long long* stu_number1 = (long long*)malloc(sizeof(long long));
	IP* ip1 = (IP*)malloc(sizeof(IP));
	//将除开要删除的学生的信息读取到临时文件
	while (fread(stu_number1, sizeof(long long), 1, pf1) && fread(ip1, sizeof(IP), 1, pf1)) {	
		if (*stu_number1 != del) {
			fwrite(stu_number1, sizeof(long long), 1, pf2);
			fwrite(ip1, sizeof(IP), 1, pf2);
		}
	}
	fclose(pf1);
	fclose(pf2);

	FILE* pf3 = fopen("studentsID.txt", "wb");
	FILE* pf4 = fopen("del_tmp.txt", "rb");
	long long* stu_number2 = (long long*)malloc(sizeof(long long));
	IP* ip2 = (IP*)malloc(sizeof(IP));

	//再将临时文件的信息读回到studentsID.txt文件中，以此完成对文档的信息删除
	while (fread(stu_number2, sizeof(long long), 1, pf4) && fread(ip2, sizeof(IP), 1, pf4)) {
		fwrite(stu_number2, sizeof(long long), 1, pf3);
		fwrite(ip2, sizeof(IP), 1, pf3);
	}
	fclose(pf3);
	fclose(pf4);
	printf("注销完成\n");

}

//加载info.contact文本中的数据到user中，并在ID中检查是否有注销的用户
void LoadContact(vector& user, IP info, unordered_map ID) {
	//检查该用户的txt文档中有没有被注销的账户
	FILE* pf1 = fopen(info.contact, "rb");  //读数据   
	FILE* pf2 = fopen("del_tmp.txt", "wb");    //写入临时文件

	IP* ip1 = (IP*)malloc(sizeof(IP));
	bool flag = false;  //判断是否有被注销的账户
	while (fread(ip1, sizeof(IP), 1, pf1)) {
		if (ID.count(ip1->stu_number)) {  //在map中存在则写入临时文本
			fwrite(ip1, sizeof(IP), 1, pf2);
		}
		else {
			flag = true;   //位于用户文档的信息在map中不存在， 此时flag置为true， 表示需要对临时文件读数据到info.contact中（参考DelstudentsID()）
		}
	}
	fclose(pf1);
	fclose(pf2);

	if (flag) {
		FILE* pf3 = fopen(info.contact, "wb");
		FILE* pf4 = fopen("del_tmp.txt", "rb");
		IP* ip2 = (IP*)malloc(sizeof(IP));
		while (fread(ip2, sizeof(IP), 1, pf4)) {
			fwrite(ip2, sizeof(IP), 1, pf3);
		}
		fclose(pf3);
		fclose(pf4);
	}

	FILE* pf = fopen(info.contact, "rb");
	int n = 0;
	IP* tmp = (IP*)malloc(sizeof(IP));
	while (fread(tmp, sizeof(IP), 1, pf)) {
		n++;
	}
	rewind(pf);
	while (n--) {
		IP* tmp = (IP*)malloc(sizeof(IP));
		fread(tmp, sizeof(IP), 1, pf);
		user.push_back(tmp);
	}
	fclose(pf);
	pf = NULL;
}

void SaveContact(vector& user, IP info) {   //将数组所有节点的数据写入到文档中
	FILE* pf = fopen(info.contact, "wb");
	if (pf == NULL) {
		exit(EXIT_FAILURE);
		return;
	}
	for (int i = 0; i < user.size(); i++) {
		fwrite(user[i], sizeof(IP), 1, pf);
	}
	fclose(pf);
	pf = NULL;
}

//加载所有账户信息
void LoadStudentsID(unordered_map& ID) {
	FILE* pf = fopen("studentsID.txt", "rb");

	int n = 0;
	long long* tmp1 = (long long*)malloc(sizeof(long long));
	IP* tmp2 = (IP*)malloc(sizeof(IP));
	while (fread(tmp1, sizeof(long long), 1, pf) && fread(tmp2, sizeof(IP), 1, pf)) {
		n++;
	}
	rewind(pf);
	while (n--) {
		long long* stu_number = (long long*)malloc(sizeof(long long));
		IP* ip = (IP*)malloc(sizeof(IP));
		fread(stu_number, sizeof(long long), 1, pf);
		fread(ip, sizeof(IP), 1, pf);
		ID[*stu_number] = *ip;
	}
	fclose(pf);
	pf = NULL;
}

//注册一个用户
void SaveStudentsID(long long* stu_number, IP* info) {
	FILE* pf = fopen("studentsID.txt", "ab");

	fwrite(stu_number, sizeof(long long), 1, pf);
	fwrite(info, sizeof(IP), 1, pf);

	fclose(pf);
	pf = NULL;
}

//展示用户信息，考虑是否有展开的信息
void DisplayContact(vector user, int y, vector isunfold) {   //用isunfold数组，记录某一下标的信息是否已被展开
	settextcolor(RGB(40, 40, 40));
	setbkmode(TRANSPARENT);
	settextstyle(25, 15, "微软雅黑");

	int index = 0;
	for (IP* contact : user) {    //遍历user数组中的所有联系人
		if (isunfold[index] == false) {   
			IMAGE doc;
			loadimage(&doc, "image_contact\\doc.jpg");
			putimage(508, y, &doc);
			outtextxy(528, (y + 5), contact->name);
			y += 50;
		}
		else if (isunfold[index] == true) {
			IMAGE Unfold;
			loadimage(&Unfold, "image_contact\\Unfold.jpg");
			putimage(500, y, &Unfold);
			settextstyle(30, 0, "黑体");
			outtextxy(523, y + 11, contact->name);

			settextstyle(26, 0, "黑体");
			char str_number[20] = { '\0' };
			sprintf(str_number, "%lld", contact->stu_number);
			outtextxy(795, y + 11, str_number);

			char str_age[20] = { '\0' };
			sprintf(str_age, "%d", contact->age);
			outtextxy(582, y + 58, str_age);

			outtextxy(795, y + 58, contact->sex);
			outtextxy(582, y + 105, contact->tele);
			outtextxy(845, y + 105, contact->address);
			y += 150;
		}
		index++;
	}
}

//展示登录用户的信息
void UserInfo(IP info) {
	settextcolor(RGB(40, 40, 40));
	setbkmode(TRANSPARENT);
	settextstyle(40, 0, "黑体");
	outtextxy(675, 12, info.name);
	settextstyle(17, 0, "黑体");
	char str_number[20] = { '\0' };
	sprintf(str_number, "%lld", info.stu_number);
	outtextxy(736, 105, str_number);
}

//将鼠标点击的纵坐标传入函数，通过不同的展开与否对y减去相应的值，当y < 0时即找到点击的用户栏位置，并更改isunfold数组的值
void GetIndex(int n, vector& isunfold, int y) {
	int index = 0;
	for (int i = 0; i < n; i++) {
		if (isunfold[index] == false) {
			if (y - 50 <= 0) {
				isunfold[index] = true;
				return;
			}
			else y -= 50;  //未展开的图形高度为50
		}
		else if (isunfold[index] == true) {
			if (y - 150 <= 0) {
				isunfold[index] = false;
				return;
			}
			else y -= 150;   //已展开的图形高度为150
		}
		index++;
	}
}

//用于ContactInter函数中多次刷新界面
void RefreshInterface(IMAGE avatar, IMAGE chatInter, IMAGE desktop, IP info) {
	cleardevice();
	putimage(0, 0, &desktop);
	putimage(500, 0, &chatInter);
	putimage(520, 10, &avatar);
	UserInfo(info);
}

//重载
bool CompareName(IP* cont1, IP* cont2) {  
	return cont1->name < cont2->name;
}

void ContactInter(IP info, unordered_map ID, long long* saveUser) {
	vector user;
	LoadContact(user, info, ID);    
	
	IMAGE chatInter;  //界面
	IMAGE desktop;    //桌面
	IMAGE avatar;     //头像
	loadimage(&desktop, "desktop.jpg");
	loadimage(&chatInter, "image_contact\\chatInter.jpg");
	loadimage(&avatar, info.avatar, 130, 130);

	int enter = 1000; 
	while (enter >= 500) {
		BeginBatchDraw();
		cleardevice();
		putimage(0, 0, &desktop);
		putimage(enter, 0, &chatInter);
		putimage(enter + 20, 10, &avatar);
		EndBatchDraw();
		enter -= 10;
		Sleep(2);
	}

	vector isunfold(100, false);
	UserInfo(info);    //用户信息
	DisplayContact(user, 155, isunfold);  //联系人信息——140

	while (1) {
		if (MouseHit()) {
			MOUSEMSG msg = GetMouseMsg();
			switch (msg.uMsg) {
			case WM_LBUTTONDOWN: {
				//添加
				if (msg.x > 906 && msg.x < 929 && msg.y >123 && msg.y < 145) {
					HWND hWnd = GetHWnd();
					MessageBox(hWnd, "请在命令行输入添加用户的学号！！","!", MB_OKCANCEL);
					AddContact(user, ID, info);   //添加的用户必须是ID里存在的用户 
					//保存、刷新(覆盖图片)、展示   更改信息后必要的三步骤
					SaveContact(user, info); 
					RefreshInterface(avatar, chatInter, desktop, info);
					DisplayContact(user, 155, isunfold);
				}
				//删除
				else if (msg.x > 939 && msg.x < 961 && msg.y > 123 && msg.y < 145) {
					HWND hWnd = GetHWnd();
					MessageBox(hWnd, "请在命令行输入你要删除的人", "! ! ! ! ! ! !", MB_OKCANCEL);
					DelectContact(user);    

					SaveContact(user, info);
					RefreshInterface(avatar, chatInter, desktop, info);
					DisplayContact(user, 155, isunfold);
				}
				//通过GetIndex改变isunfold数组相应位置的值，再通过DisplayContact函数展示所有用户
				else if (msg.x > 508 && msg.x < 992 && msg.y > 155 && msg.y < 600) {
					GetIndex(user.size(),isunfold, msg.y - 155);
					RefreshInterface(avatar, chatInter, desktop, info);
					DisplayContact(user, 155, isunfold);
					
				}
				//查找 -> 展示搜索出的用户的信息 -> 选择是否添加
				else if (msg.x > 972 && msg.x < 995 && msg.y > 123 && msg.y < 145) {
					HWND hWnd = GetHWnd();
					MessageBox(hWnd, "请在命令行输入你要查找的人", "! ! ! ! ! ! !", MB_OKCANCEL);
					
					if (SearchContact(user, ID, info)) {   //返回true表示添加联系人，此时保存联系人 
						SaveContact(user, info);
					}
					RefreshInterface(avatar, chatInter, desktop, info);
					DisplayContact(user, 155, isunfold);
					
				}
				//排序
				else if (msg.x > 873 && msg.x < 897 && msg.y > 123 && msg.y < 145) {
					sort(user.begin(), user.end(), CompareName);    //->421
					RefreshInterface(avatar, chatInter, desktop, info);
					DisplayContact(user, 155, isunfold);
				}
				//退出登录
				else if (msg.x > 872 && msg.x < 995 && msg.y > 4.6 && msg.y < 24.6) {
					*saveUser = 0;
					int exit = 500;
					while (exit <= 1000) {
						BeginBatchDraw();
						cleardevice();
						putimage(0, 0, &desktop);
						putimage(exit, 0, &chatInter);
						EndBatchDraw();
						exit += 10;
						Sleep(2);
					}
					return;
				}
				//返回桌面， 保持登录
				else if (msg.x > 0 && msg.x < 500 && msg.y > 0 && msg.y < 600) {
					int exit = 500;
					while (exit <= 1000) {
						BeginBatchDraw();
						cleardevice();
						putimage(0, 0, &desktop);
						putimage(exit, 0, &chatInter);
						EndBatchDraw();
						exit += 10;
						Sleep(2);
					}
					return;
				}
			}
			}
		}
	}
}

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