📄 wenjianbaocun.c
字号:
{
GetString(name1,20);
safe=JuadgeName(name1);
if(safe==1)
{
if(head==NULL)//没有学生
{
temp[0]=NULL;
}
p=head;
while(p!=NULL)//依次查找每条记录，并进行匹配
{
strcpy(name2,p->info.name);//先将原始的名字存入临时变量name2
buffer1=strlwr(name1);//全部转换成小写
buffer2=strlwr(name2);
pdest=strstr(buffer2,buffer1);//判断输入的是否是名字的子串
if(pdest==NULL)//不是名字子串，继续查找下一个
{
p=p->next;
}
else//是名字的子串，将该学生地址存入temp[]
{
temp[i]=p;
p=p->next;
i++;
continue;
}
}
break;//查找完毕跳出
}
}while(1);
return i;
}
//----------------按学号查找学生---------------------------
/*
function:按学号查找
param:
return:返回一个学生指针
*/
struct StudentNode*SearchByNo()
{
char no[4];
struct StudentNode *p=NULL;
system("cls");
UpdataTitle("Search Student By No");
GoToXY(15,18);
ShowMessage("Please Input Sno:");
do {
GetString(no,3);
if(JudgeSno(no)==1)
{
if(head==NULL)
{
return NULL;
}
p=head;
while(p!=NULL)
{
if(atoi(p->info.sno)==atoi(no)) break;
p = p->next;
}
break;
}
else
{
GoToXY(0,20);
ShowMessage("Sno only allow digit 0-3 bit\n");
ShowMessage("Press any key to continue");
getch();
ClearMessage();
GoToXY(32,18);
ProductSpace(3);
GoToXY(32,18);
}
} while(1);
return p;
}
//-----------------------验证学号的合法性-----------------------------
/*
function:学号的合法验证
param: no[] 传入学号
return: 合法1 ，不合法0
*/
int JudgeSno(char no[])
{
int i,len;
len=strlen(no);
for(i=0;i<len;i++)
{
if(isdigit(no[i]))
{
continue;
}
else
{
return 0;
}
}
if(i!=len) return 0;
else
{
if(len>0 && len<=3)
{
return 1;
}
else
{
return 0;
}
}
}
/*
function:姓名的合法验证
param: name[] 传入学号
return: 合法1 ，不合法0
*/
int JuadgeName(char name[])
{
int i,len;
len=strlen(name);
if(len<=0||len>20)
{
return 0;
}
else
{
for(i=0;i<len;i++)
{
if(isalpha(name[i])||isspace(name[i]))
{
continue;
}
else
{
return 0;
}
}
if(i!=len) return 0;
else return 1;
}
}
/*
function:打印查询菜单
param:
return:
*/
void PrintSearchMenu()
{
char SortMenuList[4][100] = {
"1. Search student by SNO",
"2. Search student by Name",
"0. Return to Main Menu",
"Please make a choice[0-2]:"
};
int i,len,l;
len=strlen(SortMenuList[3]);
l=(80-len)/2;
for(i=0;i<4;i++)
{
printf("\n%*s%s",l," ",SortMenuList[i]);
}
}
//******************排序*************************
/*
function:学号升序排序
param:
return:
*/
void SnoAsce()
{
struct StudentNode *p,*q,*min;
struct StudentData temp;
for(p=head;p!=NULL;p=p->next)
{
min=p;
for(q=p->next;q!=NULL;q=q->next)
{
if(strcmp(min->info.sno,q->info.sno)>0)
{
min=q;
}
}
if(min!=p)
{
temp=min->info;
min->info = p->info;
p->info=temp;
}
}
}
//***********************学号插入降序****************************
void SnoDesc()
{
struct StudentData temp;
struct StudentNode *p,*q,*k;
/* p=(struct StudentNode*)malloc(sizeof(struct StudentNode));
if(p!=NULL)
{*/
for(p=head->next;p!=NULL;p=p->next)
{
//p=(struct StudentNode*)malloc(sizeof(struct StudentNode));
for(q=head;q<p;q=q->next)
{
if(strcmp(q->info.sno,p->info.sno)<0)
{
temp=p->info;
for(k=p;k>q;k=k->pre)
{
k->info=k->pre->info;
}
q->info=temp;break;
}
}
}
}
//----------------------------总分选择升序---------------------------------
void TotalScoreAsce()
{
struct StudentNode *p,*q,*min;
struct StudentData temp;
for(p=head;p!=NULL;p=p->next)
{
min=p;
for(q=p->next;q!=NULL;q=q->next)
{
if(min->info.total > q->info.total)
{
min=q;
}
}
if(min!=p)
{
temp=min->info;
min->info = p->info;
p->info=temp;
}
}
}
//---------------------------总分插入降序------------------------------
void TotalScoreDesc()
{
struct StudentData temp;
struct StudentNode *p,*q,*k;
for(p=head->next;p!=NULL;p=p->next)
{
for(q=head;q<p;q=q->next)
{
if(q->info.total < p->info.total)
{
temp=p->info;
for(k=p;k>q;k=k->pre)
{
k->info=k->pre->info;
}
q->info=temp;break;
}
}
}
}
void PrintSortMenu()
{
char SortMenuList[5][100] = {
"1. Sort Ascending by Student's No",
"2. Sort Desc by Student No",
"3. Sort Ascending by Student's TotalScore",
"4. Sort Desc by Student's TotalScore",
"0. Return to Main Menu"
};
int i,len,l;
len=strlen(SortMenuList[2]);
l=(80-len)/2;
for(i=0;i<=4;i++)
{
printf("%*s%s\n",l," ",SortMenuList[i]);
}
}
void PrintLine()
{
char line[10][20]=
{
"SNO",
"NAME",
"AGE",
"CHIN",
"ENGL",
"MATH",
"PHO",
"CHE",
"Total",
"Avg"
};
printf(" -------------------------------------------------------------------------\n");
printf(" %3s %-20s %4s %4s %4s %4s %4s %4s %5s %5s\n",line[0],line[1],line[2],line[3],line[4],line[5],line[6],line[7],line[8],line[9]);
printf(" -------------------------------------------------------------------------\n");
}
int AccountTotal(struct StudentNode *temp)
{
int total=0;
int j;
for(j=0;j<5;j++)
{
total+=temp->info.score[j];
}
return total;
}
float AccountAvg(int total)
{
float avg;
avg=(float)total/5.0f;
return avg;
}
int InputScore(int c)
{
int len,i;
char score[4];
int grade;
do
{
len=GetString(score,3);
Trim(score);
if(len==0)
{
GoToXY(0,20);
ShowMessage("Error: score only allow digit [0-100]\n");
ShowMessage("press any key to continue");
getch();
ClearMessage();
GoToXY(54,c);
ProductSpace(3);
GoToXY(54,c);
continue;
}
for(i=0;i<len;i++)
{
if(!(isdigit(score[i])))
{
GoToXY(0,20);
ShowMessage("Error: score only allow digit [0-100]\n");
ShowMessage("press any key to continue");
getch();
ClearMessage();
GoToXY(54,c);
ProductSpace(3);
GoToXY(54,c);
break;
}
}
if(i!=len) continue;
else
{
grade=atoi(score);
if(grade<0||grade>100)
{
GoToXY(0,20);
ShowMessage("Error: score only allow digit [0-100]\n");
ShowMessage("press any key to continue");
getch();
ClearMessage();
GoToXY(54,c);
ProductSpace(3);
GoToXY(54,c);
}
else
{
break;
}
}
} while(1);
GoToXY(54,c);
ProductSpace(3);
GoToXY(54,c);
printf("%d",grade);
return grade;
}
void InputAge(char *Age)
{
int i,len;
do{
GoToXY(21,11);
len=GetString(Age,2);
for(i=0;i<len;i++)
{
if(!(isdigit(Age[i])))
{
GoToXY(0,20);
ShowMessage("Error: age only allow input digit\n");
ShowMessage("press any key to continue");
getch();
ClearMessage();
GoToXY(21,11);
ProductSpace (len);
GoToXY(21,11);
break;
}
}
if(i!=len) continue;
else
{
int age;
age=atoi(Age);
if(age<10||age>20)
{
GoToXY(0,20);
ShowMessage("Error: age only allow input [10-20]\n");
ShowMessage("press any key to continue");
getch();
ClearMessage();
GoToXY(21,11);
ProductSpace (len);
GoToXY(21,11);
continue;
}
else
{
break;
}
}
}while(1);
}
void InputName(char *name)
{
int i,len;
do {
GoToXY(21,9);
GetString(name,20);
Trim(name);
len=strlen(name);
if(len<=0)
{
GoToXY(0,20);
ShowMessage("name length not allow null(len=0):\n");
ShowMessage("press any key to continue");
getch();
ClearMessage();
GoToXY(21,9);
ProductSpace(len);
GoToXY(21,9);
continue;
}
else if(len>20)
{
GoToXY(0,20);
ShowMessage("name length not allow overflow(len>20)\n");
ShowMessage("press any key to continue");
getch();
ClearMessage();
GoToXY(21,9);
ProductSpace(len);
GoToXY(21,9);
continue;
}
else
{
for(i=0;i<len;i++)
{
if(isalpha(name[i])||isspace(name[i]))
{
continue;
}
else
{
GoToXY(0,20);
ShowMessage("error:name merely allow letter or space:\n");
ShowMessage("press any key to continue");
getch();
ClearMessage();
GoToXY(21,9);
ProductSpace(len);
GoToXY(21,9);
break;
}
}
if(i!=len)
{
continue;
}
else
{
break;
}
}
} while(1);
Trim(name); //去左右空格
GoToXY(21,9);
ProductSpace (len);
GoToXY(21,9);
printf("%s",name);
}
//--------------------------------------------------------------
/*
function:向链表中填加一个节点
param: newData 学生的数据域
return:
*/
void AddNewNode(struct StudentData newData)
{
struct StudentNode *p;
p=(struct StudentNode*) malloc(sizeof(struct StudentNode));
if(p!=NULL)
{
p->info=newData;
p->next=p->pre=NULL;
if(head==NULL)
{
head=last=p;
}
else
{
last->next=p;
p->pre=last;
last=p;
}
}
else
{
GoToXY(0,20);
printf("Error:Memory allocate fial\n");
}
}
//------------------------------------------------------------------
/*
function:自动获取学号（有补号功能）
param: ID 学号 ，学号的整型表示（第几天记录）
return:
*/
void GetNO(char *ID,int num)
{
if(USE!=0 )
{
if( head==NULL) //没记录时，直接把001号赋给头节点
{
USE=1; //标记该号已使用
count=0;
strcpy(snonode.info.sno,"001");
}
else
{
struct StudentNode *p;
SnoAsce(head); //有多个学生时，将学号按升序排
if(strcmp(head->info.sno,"001")!=0) //如果找到第一个不是001，则把001补入
{
strcpy(ID,"001");
return;
}
else//查找断号并补入
{
for(p=head->next;p!=NULL;p=p->next)
{
if(atoi(p->info.sno)!=atoi(p->pre->info.sno)+1)
{
itoa((1001+atoi(p->pre->info.sno)),ID,10);
strcpy(ID,ID+1);
return;
}
}
}
itoa((1000+ (++num)),ID,10); //只删除末尾是的情况。
strcpy(ID,ID+1);
}
}
else//如果没有断号，直接进行加一
{
itoa((1001+num),ID,10);
strcpy(ID,ID+1);
}
}
//=============================================================
void ShowMessage(char msg[100])
{
printf("%s",msg);
}
void UpdataTitle(char title[])
{
int i,w;
w=strlen(title);
printf("%25s%c"," ",218);
for (i=0;i<28;i++)
{
putchar(196);
}
putchar(191);
printf("\n%25s%c"," ",179);
printf("%*s%-*s",(28-w)/2," ",28-(28-w)/2,title);
printf("%c\n",179);
printf("%25s%c","",192);
for (i=0;i<28;i++)
{
putchar(196);
}
putchar(217);
}
//限定最大长度为Maxlen，只能是可打印字符的字符串
int GetString(char buffer[],int Maxlen)
{
int i=0;
char key;
while(1)
{
key=getch();
if(key<0)
{
getch();
continue;
}
else if(key==13) //回车结束
{
break;
}
else if(key=='\b')
{
if(i!=0)
{
printf("%c%c%c",'\b',' ','\b');
i--;
}
}
else if(isprint(key))
{
if(i<Maxlen)
{
buffer[i]=key;
i++;
putchar(key);
}
}
}
buffer[i]=0;
return i;
}
//去左空格
void LTrim(char str[100])
{
int i,len;
len=strlen(str);
for(i=0;i<len;i++)
{
if(!(isspace(str[i])))
{
strcpy(str,&str[i]);
break;
}
}
}
//去右空格
void RTrim(char str[20])
{
int i,len;
len=strlen(str);
for(i=len-1;i>=0;i--)
{
if(isspace(str[i]))
{
str[i+1]=0;
continue;
}
break;
}
}
//去左右空格
void Trim(char str[20])
{
LTrim(str);
RTrim(str);
}
//光标定位函数
void GoToXY(int x, int y)
{
COORD pos = {x,y};
HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE); // 获取标准输出设备句柄
SetConsoleCursorPosition(hOut, pos);
}
//在第x行，Y列，填充len列，COL行的空格
void FillSpace (int x,int y,int len,int col)
{
int i,j;
for (i=0;i<col;i++)
{
GoToXY(x,y+i);
for (j=0;j<len;j++)
{
putchar(' ');
}
}
}
//空格填补函数 （在指定的位置填充len个空格）
void ProductSpace (int len)
{
int i;
for (i=0;i<len;i++)
{
putchar(' ');
}
}
void ClearMessage()
{
FillSpace(0,20,50,2);
}
int GetYN(char key)
{
if(key=='y'||key=='Y'||key=='N'||key=='n')
{
return 1;
}
else
{
return 0;
}
}
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