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文件删除.c

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+#include"stdio.h"
+#include <windows.h>
+#include"stdlib.h"
+#include"string.h"
+#define T (time-8)/2
+int sum[6]={0};
+int computer[6][20]={{1,1,1,1,1,1,0,0,0,0,0,0,1,1,1,1,1,1,1,1},
+{1,1,1,1,1,1,0,0,0,0,0,0,0,0,1,1,1,1,1,1},
+ {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1},
+ {1,1,1,1,1,1,0,0,0,0,0,0,1,1,1,0,0,1,1,1},
+ {1,1,1,1,1,1,0,0,0,0,0,0,1,1,1,0,0,1,1,1},
+ {1,1,1,1,1,1,0,0,0,0,0,0,1,1,1,1,1,1,1,1}};
+ int menu();
+ int cx();
+ int yd();
+ int qxyd();
+ int searchwaiting();
+ int detail(int time);
+
+ struct waitlist
+ {
+    char shijian[2];
+ 	char number[3];
+ 	char telephonenumber[11];
+ }wait[20];
+
+ int main()
+ {
+    printf("请输入密码!\n");
+    char MIMA[11]="123456";
+    char mima[11];
+    scanf("%s",mima);
+    if(strcmp(mima,MIMA)==0)
+ 	{menu();}
+ }
+
+ int menu()
+ {
+ 	int n,w;
+ 	do{
+	printf("\t\t***************机房机位预定系统***************\n");
+	printf("\t\t   ******************菜单******************\n");
+	printf("\n\n\n");
+	printf("\t\t\t 1.查询某段时间机位状态\n");
+	printf("\t\t\t 2.预定空机位\n");
+	printf("\t\t\t 3.取消预定\n");
+	printf("\t\t\t 4.查询等待信息\n");
+	printf("\t\t\t 5.退出\n");
+	printf("请输入指令(1-5):");
+	scanf("%d",&n);
+	if(n<1||n>5)
+		w=1;
+	else
+	w=0;
+	}while(w==1);
+	switch(n)
+	{
+		case 1:cx(); break;
+		case 2:yd(); break;
+		case 3:qxyd();break;
+		case 4:searchwaiting();break;
+		case 5:exit(0);break;
+	}
+ }
+ int cx()
+ {
+    system("cls");
+ 	int time;
+ 	printf("输入时间(8-19):");
+ 	scanf("%d",&time);
+ 	if(time<8||time>20)
+ 	{
+ 		printf("\t时间输入错误\n");
+ 		printf("输入在（8-19）范围内的时间：");
+		scanf("%d",&time);
+	 }
+	 detail(time);
+    menu();
+ }
+ int yd()
+ {
+    system("cls");
+ 	int time,i=0,x,y;
+ 	FILE *fp;
+ 	char c;
+ 	printf("在（8-19）时间内输入你想要的预定时间：");
+ 	scanf("%d",&time);
+ 	if(time<8||time>20)
+ 	{
+ 		printf("时间输入错误！\n");
+ 		printf("在（8-19）时间内输入你想要的预定时间：");
+ 		scanf("%d",&time);
+	 }
+	 detail(time);
+	 if(sum[T]>0)
+	 {
+	 	if((fp=fopen("waitlist.txt","a"))==NULL)
+	 	{
+	 		printf("\n无法打开文件！\n");
+	 		exit(0);
+		}
+		printf("请输入你想要预定的时间，机号并留下你的电话号码!:");
+		 scanf("%s %s %s",wait[i].shijian,wait[i].number,wait[i].telephonenumber);
+		fprintf(fp,"%s %s %s\n",wait[i].shijian,wait[i].number,wait[i].telephonenumber);
+		fclose(fp);
+		printf("再次输入你想要预定的机号!\n");
+		scanf("%d",&x);
+		sum[T]--;
+		computer[T][x]=1;
+		printf("\n预定成功\n");
+		menu();
+	 }
+	 else
+	 {
+	 	printf("这是在最近时间段内未预定的电脑!\n");
+	 	for(i=T+1;i<6;i++)
+	 	{
+	 		time=9+2*i;
+	 		detail(time);
+	 		if(sum[T]>0)
+	 		printf("最近的空闲时间段是%d-%d\n",2*i+8,2*i+10);break;
+	   	}
+		 printf("你想要预定吗?:y/n?:");
+		 scanf("%s",&c);
+		 if(c=='Y'||c=='y')
+		 {
+			 printf("请输入您想预定的时间，机号并留下您的联系方式!:\n");
+			 if((fp=fopen("waitlist.txt","a"))==NULL)
+			 {
+			 	printf("\n无法打开文件!\n");
+			 	exit(0);
+			 }
+			 scanf("%s %s %s",wait[i].shijian,wait[i].number,wait[i].telephonenumber);
+			 fwrite(&wait[i],sizeof(struct waitlist),1,fp);
+			 fclose(fp);
+			 printf("再次输入电脑的序号!\n");
+			 scanf("%d",&y);
+			 sum[T]--;
+			 computer[T][y]=1;
+			 printf("预定成功!\n");
+			 menu();
+		 }
+		 else menu();
+	 }
+ }
+ int qxyd()
+ {
+    system("cls");
+ 	int time,number;
+ 	printf("在(8-20)时间内输入你已经预定的时间:");
+ 	scanf("%d",&time);
+ 	if(time<8||time>20)
+ 	{
+ 		printf("输入时间错误!\n");
+ 		printf("在(8-20)时间范围内输入你已经预定的时间:");
+ 		scanf("%d",&time);
+	}
+    printf("输入你预定的时间和机号:");
+    printf("再次输入预定的机号!");
+    scanf("%d",&number);
+	sum[T]++;
+	computer[T][number]=0;
+	printf("取消成功!\n");
+	menu();
+ }
+ int searchwaiting()
+ {
+ 	int time,i;
+ 	FILE *fp;
+    printf("在(8-20)之间输入您想要搜索的时间:");
+    scanf("%d",&time);
+	 if(time<8||time>20)
+	{
+		printf("时间输入错误!\n");
+		printf("在(8-20)之间输入您要搜索的时间:");
+		scanf("%d",&time);
+	}
+
+
+	else if((fp=fopen("waitlist.txt","r"))==NULL)
+	{
+		printf("\n无法打开文件!\n");
+		exit(0);
+	}
+	else
+	{
+		printf("waitlist:shijian number telephonenumber\n");
+		for(i=0;!feof(fp);i++)
+		{
+			fscanf(fp,"%s %s %s",&wait[i].shijian,&wait[i].number,&wait[i].telephonenumber);
+		}
+		fclose(fp);
+	}
+	for(i=0;i<10;i++)
+	{
+		printf("\t     %s     %s          %s\n",wait[i].shijian,wait[i].number,wait[i].telephonenumber);
+	}
+	menu();
+ }
+int detail(int time)
+{
+	int i,s=0,j=0;
+	int v[20];
+	for( i=0;i<20;i++)
+	{
+	if(computer[T][i]==0)
+	{
+		s=s+1;
+		v[j]=i;
+		j++;
+	}
+	}
+	sum[T]=s;
+	printf("空置的电脑数为%d\n",sum[T]);
+	printf("空置的电脑是：\n");
+	for( i=0;i<j;i++)
+	{
+	printf("%d\n",v[i]);
+	}
+}