C语言学生信息管理系统

#include<stdio.h> #include<conio.h> #include<windows.h> #include<string.h> #include"Init.h" extern int GetString(char p[],int max); extern int InsertData(struct STU data); extern int IsInvalid(char *s,int c); extern int snocallback; extern int GetLinkLen(); extern int counts; extern int sno,sign; extern struct LINK *head; extern char* Make_Sno(char *p); extern void GoToXY(int x, int y); extern void Title_Windows(char a[]); extern void GoToXY(int x, int y); extern void ClearMidMessage(); extern void Clear_Message(); extern void Creat_Window(); extern void Get_Time(); extern void Fill_Message(char str1[],char str2[]); extern void PrintStu(struct LINK *p,int count); extern void main(); int sno=0; int delsno[100]; void Add_Info() { int i=0,j=0,k=0,n=0,flag; struct LINK stu; char key,s[20]; char str1[]="error! Data is full! you can't add again"; char str2[]="please enter any key to back "; char str3[]="error!you input a lawless character "; char str4[]="error! Data is out of length "; char str5[]="please input a 10<=age<=20 "; char str6[]="error! Input NULL "; char str7[]="please input again "; char str8[]="please input a name"; char str9[]="please input a 0<=score<=100 "; char str0[]="Do you want to go on adding[y/n]"; char str10[]="the radix point exceed one"; char str11[]="the radix point place error"; char str12[]="please input a name"; char a[8][40]={ {" Input student's sno:"}, {" Input student's name:"}, {" Input student's age:"}, {" Input student's chinese score:"}, {" Input student's english score:"}, {" Input student's math score:"}, {" Input student's physics score:"}, {" Input student's chemistry score:"} }; do{ ClearMidMessage(); Get_Time(); Title_Windows("Add Info"); GoToXY(30,7); for( i=6;i<14;++i) { GoToXY(27,i-1); printf("%s\n",a[i-6]);//循环输出这五个选项 } if(counts>=100)//判断记录数是否大等与100 { Fill_Message(str1,str2); getch(); main(); } if(snocallback>0) { GoToXY(51,5); printf("%03d",delsno[snocallback-1]); sprintf(stu.data.sno,"%03d",delsno[snocallback-1]); snocallback--; } else { GoToXY(51,5); printf("%s",Make_Sno(s)); strcpy(stu.data.sno,s); } //================================输入姓名========================================// Clear_Message(); do{ GoToXY(52,6); GetString(s,25); flag=IsInvalid(s,0); if(flag==0) { GoToXY(52,6); for(i=0;i<=25;++i) { printf(" "); } GoToXY(52,6); printf("%s",s); break; } else if(flag==1) { Clear_Message(); Fill_Message(str6,NULL); }else if(flag==2) { Clear_Message(); Fill_Message(str4,NULL); } GoToXY(52,6); for(i=0;i<=25;++i) { printf(" "); } GoToXY(52,6); }while(1); strcpy(stu.data.name,s); //===============================判断年龄=======================================// Clear_Message(); do { GoToXY(51,7); GetString(s,10); flag=IsInvalid(s,1); if(flag==0) { GoToXY(51,7); for(i=0;i<=25;++i) { printf(" "); } GoToXY(51,7); printf("%s",s); break; } else if(flag==1) { Clear_Message(); Fill_Message(str6,NULL); }else if(flag==2) { Clear_Message(); Fill_Message(str4,NULL); }else if(flag==4) { Clear_Message(); Fill_Message(str3,NULL); }else if(flag==3) { Clear_Message(); Fill_Message(str5,NULL); } GoToXY(51,7); for(i=0;i<=25;++i) { printf(" "); } GoToXY(51,7); }while(1); stu.data.age=atoi(s); //================================语文成绩===================================// Clear_Message(); do { GoToXY(60,8); GetString(s,10); flag=IsInvalid(s,2); if(flag==0) { GoToXY(60,8); for(i=0;i<=15;++i) { printf(" "); } GoToXY(60,8); printf("%s",s); break; } else if(flag==1) { Clear_Message(); Fill_Message(str6,NULL); } else if(flag==2) { Clear_Message(); Fill_Message(str3,NULL); } else if(flag==3) { Clear_Message(); Fill_Message(str10,NULL); }else if(flag==4) { Clear_Message(); Fill_Message(str11,NULL); }else if(flag==5) { Clear_Message(); Fill_Message(str9,NULL); } GoToXY(60,8); for(i=0;i<=15;++i) { printf(" "); } GoToXY(60,8); }while(1); stu.data.score[0]=atof(s); //===================================英语成绩================================================// Clear_Message(); do { GoToXY(60,9); GetString(s,10); flag=IsInvalid(s,2); if(flag==0) { GoToXY(60,9); for(i=0;i<=15;++i) { printf(" "); } GoToXY(60,9); printf("%s",s); break; } else if(flag==1) { Clear_Message(); Fill_Message(str6,NULL); } else if(flag==2) { Clear_Message(); Fill_Message(str3,NULL); } else if(flag==3) { Clear_Message(); Fill_Message(str10,NULL); }else if(flag==4) { Clear_Message(); Fill_Message(str11,NULL); }else if(flag==5) { Clear_Message(); Fill_Message(str9,NULL); } GoToXY(60,9); for(i=0;i<=15;++i) { printf(" "); } GoToXY(60,9); }while(1); stu.data.score[1]=atof(s); //=====================================数学成绩==============================================// Clear_Message(); do { GoToXY(57,10); GetString(s,10); flag=IsInvalid(s,2); if(flag==0) { GoToXY(57,10); for(i=0;i<=15;++i) { printf(" "); } GoToXY(57,10); printf("%s",s); break; } else if(flag==1) { Clear_Message(); Fill_Message(str6,NULL); } else if(flag==2) { Clear_Message(); Fill_Message(str3,NULL); } else if(flag==3) { Clear_Message(); Fill_Message(str10,NULL); }else if(flag==4) { Clear_Message(); Fill_Message(str11,NULL); }else if(flag==5) { Clear_Message(); Fill_Message(str9,NULL); } GoToXY(57,10); for(i=0;i<=15;++i) { printf(" "); } GoToXY(57,10); }while(1); stu.data.score[2]=atof(s); //=================================物理成绩==============================================// Clear_Message(); do { GoToXY(60,11); GetString(s,10); flag=IsInvalid(s,2); if(flag==0) { GoToXY(60,11); for(i=0;i<=15;++i) { printf(" "); } GoToXY(60,11); printf("%s",s); break; } else if(flag==1) { Clear_Message(); Fill_Message(str6,NULL); } else if(flag==2) { Clear_Message(); Fill_Message(str3,NULL); } else if(flag==3) { Clear_Message(); Fill_Message(str10,NULL); }else if(flag==4) { Clear_Message(); Fill_Message(str11,NULL); }else if(flag==5) { Clear_Message(); Fill_Message(str9,NULL); } GoToXY(60,11); for(i=0;i<=15;++i) { printf(" "); } GoToXY(60,11); }while(1); stu.data.score[3]=atof(s); //==================================化学成绩===========================================// Clear_Message(); do { GoToXY(62,12); GetString(s,10); flag=IsInvalid(s,2); if(flag==0) { GoToXY(62,12); for(i=0;i<=15;++i) { printf(" "); } GoToXY(62,12); printf("%s",s); break; } else if(flag==1) { Clear_Message(); Fill_Message(str6,NULL); } else if(flag==2) { Clear_Message(); Fill_Message(str3,NULL); } els