编译运行环境 vs2019

我创建了一个链表：

typedef struct student{char data[20];}student;

typedef struct Node{student Sdata;Node* next;}Node;

利用outtextxy(x ,y , list->Sdata.data);输出乱码

#include<MyList.h>
#include<graphics.h>
#include<conio.h>
#include<windows.h>
#include<mmsystem.h>
#pragma comment(lib,"winmm.lib")
/*
	课程内容：贪吃蛇
	知识点：结构体，循环，函数，easyx，数组
*/
//做界面 1.创建一个窗口，图形窗口
#define SNAKE_NUM 500

Node* list = createList();

enum DIR //表示蛇的方向
{
	UP,
	DOWN,
	LEFT,
	RIGHT,
};
//蛇的结构
struct Snake
{
	int size;//蛇的节数
	int dir;//蛇的方向
	int speed;//移动速度
	POINT coor[SNAKE_NUM];//座标
}snake;
//食物结构
struct Food
{
	int x;
	int y;
	int r;		//食物大小
	bool flag;	//食物是否被吃
	DWORD color; //食物颜色
}Food;
//数据的初始化
void GameInit()
{
	
	//innit 初始化 graph 图像窗口  SHOWCONSOLE显示控制台
	initgraph(1280, 960,SHOWCONSOLE);
	//设置一个随机数种子,GetTickCount();获取系统开机，到现在所经过的毫秒数
	srand(GetTickCount());
	snake.size = 3;
	snake.speed = 30;
	snake.dir = RIGHT;
	snake.coor[0].x = 10;
	snake.coor[0].y = 10;
	for (int i = 0; i < snake.size; i++)
	{
		snake.coor[i].x = 40-10*i;
		snake.coor[i].y = 10;
		//printf("%d %d\t", snake.coor[i].x, snake.coor[i].y);
	}
	//初始化食物 rand()随机产生一个整数，如果没有设置随机数种子，每次产生的都是固定的整数
	Food.x = rand() % 1280;
	Food.y = rand() % 960;
	Food.color = RGB(rand() % 256, rand() % 256, rand() % 256);
	//Food.r = rand() % 10 + 20;
	Food.r = 20;
	Food.flag = true;
}

void GameDraw()
{
	//双缓冲绘图
	BeginBatchDraw();
	//设置背景颜色
	setbkcolor(RGB(28, 115, 119));
	cleardevice();
	//绘制蛇
	setbkmode(TRANSPARENT);
	settextcolor(RGB(0, 122, 204));
	setfillcolor(GREEN);
	for (int i = 0; i < snake.size; i++)
	{
		solidcircle(snake.coor[i].x, snake.coor[i].y, 20);
	}
	//绘制食物
	if (Food.flag)
	{

		solidcircle(Food.x, Food.y, Food.r);
		outtextxy(Food.x - 15, Food.y - 10, list->Sdata.data);
	}
	else {
		list = list->next;
	}
	EndBatchDraw();
}
//移动蛇
void snakeMove()
{	
	//让身体跟着头移动
	for (int i = snake.size-1; i>0; i-- )
	{
		snake.coor[i] = snake.coor[i - 1];
	}
		//移动是什么发生移动
		switch (snake.dir)
		{
		case UP:
			snake.coor[0].y-=snake.speed;
			if (snake.coor[0].y+10 <= 0)
			{
				snake.coor[0].y = 960;
			}
			break;
		case DOWN:
			snake.coor[0].y+=snake.speed;
			if (snake.coor[0].y - 10 >= 960)
			{
				snake.coor[0].y = 0;
			}
			break;
		case LEFT:
			snake.coor[0].x-=snake.speed;
			if (snake.coor[0].x + 10 <= 0)
			{
				snake.coor[0].x = 1280;
			}
			break;
		case RIGHT:
			snake.coor[0].x+=snake.speed;
			if (snake.coor[0].x - 10 >= 1280)
			{
				snake.coor[0].x = 0;
			}
			break;
		}
	
}
//通过按键改变蛇的移动方向
void keyControl()
{
	//判断有没有按键
	if (_kbhit())
	{
		// 72 80 75 77 上下左右键值
		switch (_getch())
		{
		case 'w':
		case 'W':
		case 72:
			if (snake.dir != DOWN)
			{
				snake.dir = UP;
			}
			break;
		case 's':
		case 'S':
		case 80:
			if (snake.dir != UP)
			{
				snake.dir = DOWN;
			}
			break;
		case 'a':
		case 'A':
		case 75:
			if (snake.dir != RIGHT)
			{
				snake.dir = LEFT;
			}
			break;
		case 'd':
		case 'D':
		case 77:
			if (snake.dir != LEFT)
			{
				snake.dir = RIGHT;
			}
			break;
		case ' ': //游戏暂停
			while (1)
			{
				if (_getch() == ' ')
					break;
			}
		}
	}

}
void EatFood()
{
	if (Food.flag&&snake.coor[0].x >= Food.x - Food.r-5  && snake.coor[0].x <= Food.x + Food.r+5 &&
		snake.coor[0].y >= Food.y - Food.r-5 && snake.coor[0].y <= Food.y + Food.r+5)
	{
		Food.flag = false;
		snake.size++;
	}
	//如果食物消失，重新生成食物
	if (!Food.flag)
	{
		Food.x = rand() % 1280;
		Food.y = rand() % 960;
		Food.color = RGB(rand() % 256, rand() % 256, rand() % 256);
		//Food.r = rand() % 10 + 5;
		Food.r = 20;
		Food.flag = true;
	}
}
//添加音乐
void BGM() {
	//播放背景音乐
	PlaySound(TEXT("B.wav"), NULL, SND_FILENAME | SND_ASYNC | SND_LOOP);
}

//创建一个保存字符串的链表，并保存。
void creatListAndSave() {
	readInfoFromFile(list, "1.txt");
	for (int  i = 0; i < 10; i++)
	{
		printf("请输入data\n");
		scanf("%s", Sdata.data);
		insertNodeByHead(list, Sdata);
		writeInfoToFile(list, "1.txt");
	}
}




int main()
{
	
	//BGM();
	/*creatListAndSave();*/
	readInfoFromFile(list, "1.txt");
	//printfList(list);
	GameInit();

	while (1)
	{
		GameDraw();
		keyControl();
		snakeMove();
		EatFood();
		Sleep(120);
	}
	return 0;
}
/*
可以加一个分数，吃一个食物，加n分
*/