c语言学生管理系统（C language student management system）

1、c语言学生管理系统（C language student management system）# includes stdio.h # define len sizeof (struct guest)/ * 结构体定义 * /struct guestchar name 20; / * 客户姓名 * /char num 19; / * 身份证号 * /char as 20; / * 开始入住时间 * /char go 20; / * 退房时间 * /int number; / * 入住房间号码 * /int tianshu 入住天数; / * * /float price; / * 入住价格 *

2、 /float 住宿费用 pay; / * * /struct guest * next; guests 10.struct roomint number;float price; rooms 10 = 101100, 102100, 103100, 104100, 105100,106100, 107100, 108100, 109100, 110100;struct dates 定义日期保存年、月、日 / * * /int year 2.int month 2.int day 2.int days 2. in 10.struct guest * head = null; / * 定义头指针

3、 * /struct dates * q;int n = 0; / * 入住人数 * /int m 20.int z = 1;int writeinflag = 0;void load (); / * 从磁盘中导入客户信息 * /void create (); / * 新建记录 * /int judgenumber (char b ); / * 判断房间号 * /void judgenum (char str ); / * 判断身份证号是否合法 * /int judgedate (int m, int y, char s ); / * 判断时间是否合法 * /void num (int y);

4、 / * 判断是否有人入住 * /void search (); / * 查询 * /void insert (); / * 插入记录 * /void delete (); / * 删除记录 * /void baocun (); / * 保存 * /void money (); / * 统计房间产生的住宿费用 * /int menuselect (); / * 主菜单 * /void tuichu ();void main ()while (1)switch (menuselect ()case 0: system (cls); load (); break;Case 1: System (C

5、LS); create(); break;Case 2: System (CLS num); (Z); break;Case 3: System (CLS); (Search); break;Case 4: System (CLS); Insert (); break;Case 5: System (CLS); delete(); break;Case 6: System (CLS); Money (); break;Case 7: System (CLS); baocun (); break;Case 8: System (CLS); tuichu (); exit (0);Break; d

6、efault:/ * * * * * * * * * * * 主函数 * * * * * * * * * * * /Menuselect (INT)int m;Char s 20;Printf ( n n n n n n);Printf ( t t t欢迎来到酒店管理系统 n);Printf ( t t * * * * * * 主菜单 * * * * * n);Printf ( t t 0、从磁盘中导入客户信息 n);Printf ( t t 1、新建客户信息 n);Printf ( t t 2、房间入住情况 n);Printf ( t t 3、查询客户信息 n);Printf ( t t 4

7、、新增客户 n);Printf ( t t 5、客户退房 n);Printf ( t t 6、统计房间产生的住宿费用 n);Printf ( t t 7、保存 (年、月、日及客户信息) n);Printf ( t t 8、退出 n);Printf ( t t * * * * * * * * * * * * n);Printf ( t t 请选择 (0至8之间的整数):);Gets (S);While (1)If (strlen (S)! = 1 | | s 0 8)printf ( t t 输入错误, 请重新选择 (0至8之间的整数):); gets (S);Else break;M = (I

8、NT) s 0;Return (m-48);/ * * * * * * * * 从磁盘中导入客户信息 * * * * * * * * * /Void Load ()Int i = 0;Char s 20;File * * FP1, FP2.Struct Guest * * P1, P2;If (Head! = null)printf (对不起, 客户记录已存在链表中, 请进行其他操作!) Getchar (;); System (CLS); return;ElsePrintf ( n n n t t t请输入导入链表信息地址:);Gets (S);If (1 = fopen (S, r) =

9、= null)Printf ( n n n t t t文件不存在或无法打开!) ;Printf ( n n n t t t按enter返回.);Getchar ();System (CLS);Return;While (! Feof() FP1)(struct Guest * p1 = malloc (LEN);P1 - NEXT = null;Fscanf (FP1, % d% s% s% s% s% d% F% f n, & P1 - - Name Number, P1, P1 - Num, P1 - - GO EAT, P1, P1 - tianshu &, & P1 - Price,

10、& P1 - pay);M n = P1 - Number;/如果（P1 -数110 | | P1 -数101）自由（P1）；getchar()；break；如果（头= = null）头= P1；其他-下= P1 P2；P1 P2 = n + +；如果（fclose（FP1）printf（“无法关闭文件！”）；返回；printf（“n n nn T T T请输入导入日期信息地址：”）；得到（S）；如果（FP2 = fopen（S，R）= = null）printf（“n n n nn T T T文件不存在或无法打开！”）；printf（“n n nn T T T按进入返回.”）；getchar

11、()；系统（“华彩”）；返回；Q =日期；而（！外汇经营资金（FP2）fscanf（FP2，“%d %d %d %dn”，及问我年 0 ，我和Q。月 0 ，我和Q。天 0 ，我和Q。天 0 ）；fscanf（FP2，“%d %d %d %dn”，及问我年 1 ，我和Q。月 1 ，我和Q。天 1 ，我和Q。天 1 ）；我+ +；如果（我= = n）打破；如果（fclose（FP2）printf（“T T无法关闭文件！”）；返回；printf（“n n n n nn T T T已导入信息，请返回！”）；printf（“n T T T按进入返回.”）；getchar()；系统（“华彩”）；返回；wr

12、iteinflag = 0；/ *新建记录* /无效create()一个字符 19 20 ，S，H 20 ，叫 20 ；结构客体P2，P1 *；结构室* R；中断标志，X，I，K = 0时，y = 0，M = 0，G = 1；如果（头！= null） printf（“T T对不起，客户记录已存在链表中，请进行其他操作！”）；getchar()；系统（“华彩”）；返回；Q =日期；而（1） printf（“n n n n”）；printf（“T T T各房间的信息如下！n”）；printf（“房间号：”）；为（R =室；R房间+ 10；r + +）printf（“% 6d”，R 号码）；prin

13、tf（“n”）；printf（“价格：”）；为（R =室；R房间+ 10；r + +）printf（“%。1F”，R价格）；printf（“n n nn T请输入第%d名客户的信息，当房间号码为100时输入结束 n，n + 1）；P1 =（struct客人*）malloc（LEN）；P1 -数= judgenumber（H）；如果（P1 -数= = 100）自由（P1）；printf（“n T T按进入返回.”）；getchar()；系统（“华彩”）；返回；printf（“n”）；printf（“不请输入姓名：”）；获取（名字）；而（G）而（1）旗= 0；X = strlen（名称）；为（i

14、= 0；i = 0）旗+ +；如果（旗！= 0） printf（“不输入的不为汉字，请重新输入：”）；获取（名称）；break；G = 0；突破；strcpy（P1 -名称，名称）；judgenum（STR）；Strcpy (P1 - Num, str);Printf ( n);Flag = 1;While (FLAG)While (1)Judgedate (M and S); M + +; strcpy (P1 - come, S);Printf ( n);Judgedate (M and S); M + +; strcpy (P1 - GO, S);If (Q - Year 1. Q -

15、Year = 0)printf ( t输入错误, 退房时间应入住时间年份应相同! n ); Q -; break;P1 - - Days tianshu = Q - Q - 1 Days 0;If (P1 - tianshu = 0)printf ( n t输入错误, 退房时间应大于入住时间!) ; Q -; break;Flag = 0; break;Q + +;For (R = r Number = = P1 - Number) break;P1 - R - Price = price;Pay (P1 = P1 - - tianshu) * (P1 - Price);P1 - NEXT =

16、 null;If (HEAD = = null) head = P1;Else P2 = P1 - Next;P2 = P1;Writeinflag = 1;N + +;System (CLS getchar (););Q -;Return;/ * * * * * * * * * * * 判断房间号 * * * * * * * * * * * /Judgenumber (char , int H)Int a, B, C, D, J, flag = 0, F = 1;Getchar ();Printf ( t请输入入住房间号码 (101 - 110):);Gets (H);While (f)Wh

17、ile (1)If (strlen (H). = 3)printf ( n t输入错误, 房间号位三位数字, 请重新输入 (101 - 110); (H) gets); break;B = (INT) - 48 h 0;C = (INT) - 48 h 1;D = (INT) - 48 h 2;If (B C 0 9 | | | | d 9)printf ( n t输入错误, 房间号只能为数字, 请重新输入 (101 - 110); (H) gets); break;A = 100 * 10 * (B + C + D;If (a! = 100 & a! = 101 &! = 102 &! &

18、= 103. = 104 &! = 105 &! & = 106. = 107 &! & = 108! & = 109. = 110)printf ( n t输入错误, 该房间不存在, 请重新输入 (101 - 110); (H) gets); break;Flag = 0;For (J = 0; J n; J + +)If (A = j = M + +) Flag; break;If (Flag! = 0)printf ( n t输入错误, 该房间已入住, 请重新输入 (101 - 110); (H) gets); break;If (a! M = 100) n = a;F = 0; bre

19、ak;Return to;/ * * * * * * * * * * * 判断身份证号 * * * * * * * * * * * /Void judgenum (char str )Int a 18, I, Count, H = 1;Getchar ();Printf ( t请输入身份证号:);Gets (STR);While (H)While (1)If (strlen (STR). 15 & & = strlen (STR). = 18)printf ( t输入错误, 身份证号位为15或18, 请重新输入:); gets (STR); break;if (strlen (str) = =

20、 15)(i = 0; i 15; i + +)a i = (int) str in - 48;count = 0;for (i = 0; i 15; i + +)if (a i 9) count + +;if (count! = 0)printf ( t输入错误, 身份证号位位纯数字, 请重新输入:); gets (str); break;if (strlen (str) = = 18)(i = 0; i 18; i + +)a i = (int) str in - 48;count = 0;for (i = 0; i 18; i + +)if (a i 9) count + +;if (c

21、ount! = 0)printf ( t输入错误, 身份证号位位纯数字, 请重新输入:); gets (str); break;h = 0; break;/ * * * * * * * * * * * * * * * * * * * 判断时间 * * * * * * * * * * * * * * * * * * * * * * * * * * * /int judgedate (int m, int y, char s )hour _ t tval;int a 8 in, count, flag day = 0, h = 1;int b = 0, c = 0, d = 0;struct tm

22、 * now;char y 5, m 3, d 3;int loss 2 13 = 0,31,28,31,30,31,30,31,31,30,31,30,31,0,31,29,31,30,31,30,31,31,30,31,30,31 ;s 0 = 0;if (y% 2! = 0)if (m% 2 = = 0)printf ( t请输入开始统计时间, 形式为 (yyyy mm dd):);elseprintf ( t请输入结束统计时间, 形式为 (yyyy mm dd):);gets (s);if (y% 2 = = 0)if (m% 2 = = 0)tval = hour (null);no

23、w = localtime (& tval);b = the now tm _ year + 1900;c = now - tm _ mon + 1;d = the now tm _ mday;if (c = = 10 | | c = = 11 | | c = = 12)sprintf (y, % d, (b);sprintf (m, % d, (c);sprintf (d, % d, d);strcat (s, y);strcat (s, );strcat (s, m);strcat (s, );if (d = 1 & & d = 1 & & d = 9)strcat (s, 0);strc

24、at (s, d);getchar ();printf ( t取系统时间为:); putts (s);elseprintf ( t请输入客户退房时间, 形式为 (yyyy mm dd):); gets (s);while (h)while (1)if (strlen (s)! = 10)printf ( t输入错误, 形式为10位, 请重新输入:); gets (s); break;if (s 4. = - | | s 7. = -)printf (t input error, fifth bit and seventh bit is -, please input again:); gets

25、 (s); break;For (i=0; i=3; i+)Ai= (int) si-48;For (i=4; i=5; i+)Ai= (int) si+1-48;For (i=6; i=7; i+)Ai= (int) si+2-48;Count=0;For (i=0; i=7; i+)If (ai9) count+;If (count =0!)printf (t input error, digital input is not correct, please input again:); gets (s); break;B=a0*1000+a1*100+a2*10+a3;C=a4*10+a

26、5;D=a6*10+a7;If (c12)printf (t input error is not greater than 12 months, please input again:); gets (s); break;If (c=1|c=3|c=5|c=7|c=8|c=10|c=12) &d31)printf (t input error,%d month can not exceed 31 days, please input again:, c); gets (s); break;If (c=2|c=4|c=6|c=9|c=11) &d30)printf (t input error

27、,%d month can not exceed 30 days, please input again:, c); gets (s); break;Flag=0;If (b%4=0&b%100 =0|b%400=0!)Flag=1;If (flag=0&c=2&d27)printf (t input error,%d is a February, not more than 28 days, please input again:, b); gets (s); break;For (i=0; iyear0=b; q-month0=c; q-day0=d; q-days0=day;If (m%

28、2 =0!)q-year1=b; q-month1=c; q-day1=d; q-days1=day;Else;H=0; break;Return day;/* determine whether people stay, check the ID card */Void Num (int z)Struct guest *p;Int j, K, flag;P=head;If (head=NULL)printf (nnnn no room:);For (k=101; knumber);P=p-next;Printf (n room no admission number:);For (k=101

29、; k111; k+)flag=0;For (j=0; jnumber);P=p-next;Printf (n room no admission number:);For (k=101; k111; k+)flag=0;For (j=0; jnumber100&p-numbernumber);P=p-next;Printf (nttt a total of%d customers in n, n);Printf (ttt output of the%d rooms for customer specific information as follows: nnnn, n);Printf (r

30、eal name, ID number, check-in time check-out time days price cost n);P=head;While (P =NULL!)Printf (%d%s%s%s%s%d%.1f%.1fn p-number, p-name, p-num, p-come, p-go, p-tianshu, p-price, p-pay);P=p-next;Printf (nttt press Enter to return.);(getchar); system (CLS); return;/* delete records */Void (Delete)i

31、nt number, I, h=1;Struct guest *p1, *p2;P1=p2=head;If (head=NULL)Printf (t no record, select the 1 key new record nnn!);Elsez=0;Num (Z);Printf (please enter nnnttt to delete the room number:);Scanf (%d, &number);While (P1 =NULL&p1-number =number!)P2=p1; p1=p1-next; h+;If (p1=NULL)Printf (t Im sorry,

32、 the room did not check the customer!);ElsePrintf (nnnnttt has been deleted in room%d for customer information! n, number);If (p1=p2)Head=p1-next;ElseP2-next=p1-next;If (H =n!)For (i=h; i N）；（我在下；i+；printf（“T T T各房间的信息如下！n”）；printf（“房间号：”）；为（R =室；R房间+ 10；r + +）printf（“% 6d”，R 号码）；printf（“n”）；printf（

33、“价格：”）；为（R =室；R房间+ 10；r + +）printf（“%。1F”，R价格）；Z = 0；Num（Z）；printf（“n n nn T T T请输入第%d名客户的信息 n，n + 1）；P2 =（struct客人*）malloc（LEN）；printf（“n”）；P2 -数= judgenumber（H）；printf（“n”）；printf（“不请输入姓名：”）；获取（名字）；而（G）而（1）旗= 0；X = strlen（名称）；为（i = 0；i = 0）旗+ +；如果（旗！= 0） printf（“不输入的不为汉字，请重新输入：”）；获取（名称）；break；G =

34、0；突破；strcpy（P2 -名称，名称）；judgenum（STR）；strcpy（P2 - num，STR）；printf（“n”）；标志= 1；而（标志）而（1）judgedate（M，Y，S）；M + +；strcpy（P2 - 来，S）；printf（“n”）；judgedate（M，Y，S）；M + +；strcpy（P2 -去，S）；如果（Q年 1 ！= Q -年 0 ） printf（“不输入错误，退房时间应入住时间年份应相同！n”）；Q；break；P2 -天枢= Q -天 1 - Q - 天 0 ；如果（P2 -天枢数= = P2 -数）打破；P2 -价格= r 价格；P

35、2 -工资=（P2 -天枢）*（P1 -价格）；P2 -下= P1 -下；P1 -下= P2；n + +；Writeinflag=1;Printf (ntt press Enter to return.);(getchar); system (CLS); return;/* room accommodation expenses */ statisticsVoid (Money)Struct guest *p;Char s10;Int i, a, B, y=1;Int m=0;Float sum=0;P=head;If (n=0)Printf (t no record!);Elseprintf

36、 (nnnn);A=Judgedate (m, y, s); m+;Printf (n);B=Judgedate (m, y, s); m+;For (q=date; qdate+n; q+)If (adays0&b=q-days1)Sum+= (q-days1-q-days0) * (p-price);If (aq-days0&bq-days1&adays1)Sum+= (q-days1-a) * (p-price);If (adays0&q-days0b&bdays1)Sum+= (b-q-days0) * (p-price);If (aq-days0&bdays1)Sum+= (B-A)

37、 * (p-price);P-next;Q+;Printf (nnnttt statistical time income is%.1f, sum);Printf (nnnttt press Enter to return.);(getchar); system (CLS); return;/* save */Void (Baocun)Int m;Char s20;Struct guest *p;FILE *fp1, *fp2;If (head=NULL)printf (nnnnnttt information is empty!);Printf (nnnttt press Enter to return.);(getchar);System (CLS);Return;ElsePrintf (nnnttt please enter a list of information stored address:);Gets (s);While (1)M=0;If (fp1=fopen (s, w) =NULL)Printf (the file