程序设计设计学生成绩管理系统
⑴ C程序设计：学生成绩管理系统
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⑵ C语言程序设计 学生成绩管理系统 （急）
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⑶ c语言程序设计学生成绩管理系统
#include "stdio.h"
/*定义学生结构体*/
struct Student
{
char ID[20];
char Name[20];
float Mark1;
float Mark2;
float Mark3;
float Average;
};
/*声明学生数组及学生数量*/
struct Student students[1000];
int num=0;
/*求平均值*/
float Avg(struct Student stu)
{
return (stu.Mark1+stu.Mark2+stu.Mark3)/3;
}
/*通过学号返回数组下标*/
int Student_SearchByIndex(char id[])
{
int i;
for (i=0;i<num;i++)
{
if (strcmp(students[i].ID,id)==0)
{
return i;
}
}
return -1;
}
/*通过姓名返回数组下标*/
int Student_SearchByName(char name[])
{
int i;
for (i=0;i<num;i++)
{
if (strcmp(students[i].Name,name)==0)
{
return i;
}
}
return -1;
}
/*显示单条学生记录*/
void Student_DisplaySingle(int index)
{
printf("%10s%10s%8s%8s%8s%10s\n","学号","姓名","成绩","成绩","成绩","平均成绩");
printf("-------------------------------------------------------------\n");
printf("%10s%10s%8.2f%8.2f%8.2f%10.2f\n",students[index].ID,students[index].Name,
students[index].Mark1,students[index].Mark2,students[index].Mark3,students[index].Average);
}
/*插入学生信息*/
void Student_Insert()
{
while(1)
{
printf("请输入学号:");
scanf("%s",&students[num].ID);
getchar();
printf("请输入姓名:");
scanf("%s",&students[num].Name);
getchar();
printf("请输入成绩:");
scanf("%f",&students[num].Mark1);
getchar();
printf("请输入成绩:");
scanf("%f",&students[num].Mark2);
getchar();
printf("请输入成绩:");
scanf("%f",&students[num].Mark3);
getchar();
students[num].Average=Avg(students[num]);
num++;
printf("是否继续?(y/n)");
if (getchar()=='n')
{
break;
}
}
}
/*修改学生信息*/
void Student_Modify()
{
float mark1,mark2,mark3;
while(1)
{
char id[20];
int index;
printf("请输入要修改的学生的学号:");
scanf("%s",&id);
getchar();
index=Student_SearchByIndex(id);
if (index==-1)
{
printf("学生不存在!\n");
}
else
{
printf("你要修改的学生信息为:\n");
Student_DisplaySingle(index);
printf("-- 请输入新值--\n");
printf("请输入学号:");
scanf("%s",&students[index].ID);
getchar();
printf("请输入姓名:");
scanf("%s",&students[index].Name);
getchar();
printf("请输入成绩:");
scanf("%f",&students[index].Mark1);
getchar();
printf("请输入成绩:");
scanf("%f",&students[index].Mark2);
getchar();
printf("请输入成绩:");
scanf("%f",&students[index].Mark3);
getchar();
students[index].Average=Avg(students[index]);
}
printf("是否继续?(y/n)");
if (getchar()=='n')
{
break;
}
}
}
/*删除学生信息*/
void Student_Delete()
{
int i;
while(1)
{
char id[20];
int index;
printf("请输入要删除的学生的学号:");
scanf("%s",&id);
getchar();
index=Student_SearchByIndex(id);
if (index==-1)
{
printf("学生不存在!\n");
}
else
{
printf("你要删除的学生信息为:\n");
Student_DisplaySingle(index);
printf("是否真的要删除?(y/n)");
if (getchar()=='y')
{
for (i=index;i<num-1;i++)
{
students[i]=students[i+1];
}
num--;
}
getchar();
}
printf("是否继续?(y/n)");
if (getchar()=='n')
{
break;
}
}
}
/*按姓名查询*/
void Student_Select()
{
while(1)
{
char name[20];
int index;
printf("请输入要查询的学生的姓名:");
scanf("%s",&name);
getchar();
index=Student_SearchByName(name);
if (index==-1)
{
printf("学生不存在!\n");
}
else
{
printf("你要查询的学生信息为:\n");
Student_DisplaySingle(index);
}
printf("是否继续?(y/n)");
if (getchar()=='n')
{
break;
}
}
}
/*按平均值排序*/
void Student_SortByAverage()
{
int i,j;
struct Student tmp;
for (i=0;i<num;i++)
{
for (j=1;j<num-i;j++)
{
if (students[j-1].Average<students[j].Average)
{
tmp=students[j-1];
students[j-1]=students[j];
students[j]=tmp;
}
}
}
}
/*显示学生信息*/
void Student_Display()
{
int i;
printf("%10s%10s%8s%8s%8s%10s\n","学号","姓名","成绩","成绩","成绩","平均成绩");
printf("-------------------------------------------------------------\n");
for (i=0;i<num;i++)
{
printf("%10s%10s%8.2f%8.2f%8.2f%10.2f\n",students[i].ID,students[i].Name,
students[i].Mark1,students[i].Mark2,students[i].Mark3,students[i].Average);
}
}
/*将学生信息从文件读出*/
void IO_ReadInfo()
{
FILE *fp;
int i;
if ((fp=fopen("Database.txt","rb"))==NULL)
{
printf("不能打开文件!\n");
return;
}
if (fread(&num,sizeof(int),1,fp)!=1)
{
num=-1;
}
else
{
for(i=0;i<num;i++)
{
fread(&students[i],sizeof(struct Student),1,fp);
}
}
fclose(fp);
}
/*将学生信息写入文件*/
void IO_WriteInfo()
{
FILE *fp;
int i;
if ((fp=fopen("Database.txt","wb"))==NULL)
{
printf("不能打开文件!\n");
return;
}
if (fwrite(&num,sizeof(int),1,fp)!=1)
{
printf("写入文件错误!\n");
}
for (i=0;i<num;i++)
{
if (fwrite(&students[i],sizeof(struct Student),1,fp)!=1)
{
printf("写入文件错误!\n");
}
}
fclose(fp);
}
/*主程序*/
main()
{
int choice;
IO_ReadInfo();
while(1)
{
/*主菜单*/
printf("\n------ 学生成绩管理系统------\n");
printf("1. 增加学生记录\n");
printf("2. 修改学生记录\n");
printf("3. 删除学生记录\n");
printf("4. 按姓名查询学生记录\n");
printf("5. 按平均成绩排序\n");
printf("6. 退出\n");
printf("请选择(1-6):");
scanf("%d",&choice);
getchar();
switch(choice)
{
case 1:
Student_Insert();
break;
case 2:
Student_Modify();
break;
case 3:
Student_Delete();
break;
case 4:
Student_Select();
break;
case 5:
Student_SortByAverage();
Student_Display();
break;
case 6:
exit();
break;
}
IO_WriteInfo();
}
}
你的串号我已经记下，采纳后我会帮你制作
⑷ 简单学生成绩管理系统程序设计
看可以不咯？
#include<stdio.h>
int avgGrade(int a[50])
{
int i,sum=0,max=0,min=0;
double avg=0.0;
max=a[0];
min=a[0];
for(i=0;i<50;i++)
{
sum+=a[i];
if(a[i]>max)
max=a[i];
if(a[i]<min)
min=a[i];
}
avg=(double)sum/50;
printf("平均成绩为%lf，最高成绩为%d，最低成绩为%d\n",avg,max,min);
return 0;
}
int compositor(int a[50])
{
int i,j,n,temp=0;
printf("请输入您要排序的方式(0:升序，1:降序):\n");
scanf("%d",&n);
for(i=0;i<50;i++)
{
for(j=0;j<i;j++)
{
if(n==0)
{
if(a[j]>a[i])
{
temp=a[i];
a[i]=a[j];
a[j]=temp;
}
}
else
{
if(a[j]<a[i])
{
temp=a[i];
a[i]=a[j];
a[j]=temp;
}
}
}
}
for(i=0;i<50;i++)
{
printf("%d",a[i]);
}
}
int insertGrade(int a[50])
{
int i,n;
printf("请输入你要插入的成绩:\n");
scanf("%d",&n);
for(i=0;i<50;i++)
if(n>a[i])
{
for(s=49;s>=i;s--)
a[s+1]=a[s];
break;
}
a[i]=n;
}
int deleteGrade(int a[50])
{
int x,i,j;
printf("请输入你要删除的成绩:\n");
scanf("%d",&x);
for(i=0;i<10;i++)
{
if(a[i]==x)
for(j=i+1;j<10;j++)
a[i]=a[j];
a[j]='\0';
}
}
void main()
{
int n,i,a[50];
printf("请输入50个学生的成绩：\n");
for(i=0;i<50;i++)
{
scanf("%d",&a[i]);
}
while(1)
{
printf ("--------------------------\n");
printf ("请选择您的功能:\n\n");
printf (" 0 录入成绩\n");
printf (" 1 输出成绩\n");
printf (" 2 输出平均分、最高分、最低分\n");
printf (" 3 成绩降序或升序排列\n");
printf (" 4 插入一个成绩\n");
printf (" 5 删除用户给定的成绩\n");
printf (" 6 退出\n\n");
printf ("--------------------------\n");
scanf("%d",n);
switch(n)
{
case 0:
printf("请输入50个学生的成绩：\n");
for(i=0;i<50;i++)
{
scanf("%d",&a[i]);
}
break;
case 1:
for(i=0;i<50;i++)
{
printf("%d",a[i]);
}
break;
case 2:
avgGrade(a);
break;
case 3:
compositor(a);
break;
case 4:
insertGrade(a);
break;
case 5:
deleteGrade(a);
break;
case 6:
exit (0);
}
}
return 0;
}
⑸ c语言程序设计 学生成绩管理系统
#include "stdio.h"
/*定义学生结构体*/
struct Student
{
char ID[20];
char Name[20];
float Mark1;
float Mark2;
float Mark3;
float Average;
};
/*声明学生数组及学生数量*/
struct Student students[1000];
int num=0;
/*求平均值*/
float Avg(struct Student stu)
{
return (stu.Mark1+stu.Mark2+stu.Mark3)/3;
}
/*通过学号返回数组下标*/
int Student_SearchByIndex(char id[])
{
int i;
for (i=0;i<num;i++)
{
if (strcmp(students[i].ID,id)==0)
{
return i;
}
}
return -1;
}
/*通过姓名返回数组下标*/
int Student_SearchByName(char name[])
{
int i;
for (i=0;i<num;i++)
{
if (strcmp(students[i].Name,name)==0)
{
return i;
}
}
return -1;
}
/*显示单条学生记录*/
void Student_DisplaySingle(int index)
{
printf("%10s%10s%8s%8s%8s%10s\n","学号","姓名","成绩","成绩","成绩","平均成绩");
printf("-------------------------------------------------------------\n");
printf("%10s%10s%8.2f%8.2f%8.2f%10.2f\n",students[index].ID,students[index].Name,
students[index].Mark1,students[index].Mark2,students[index].Mark3,students[index].Average);
}
/*插入学生信息*/
void Student_Insert()
{
while(1)
{
printf("请输入学号:");
scanf("%s",&students[num].ID);
getchar();
printf("请输入姓名:");
scanf("%s",&students[num].Name);
getchar();
printf("请输入成绩:");
scanf("%f",&students[num].Mark1);
getchar();
printf("请输入成绩:");
scanf("%f",&students[num].Mark2);
getchar();
printf("请输入成绩:");
scanf("%f",&students[num].Mark3);
getchar();
students[num].Average=Avg(students[num]);
num++;
printf("是否继续?(y/n)");
if (getchar()=='n')
{
break;
}
}
}
/*修改学生信息*/
void Student_Modify()
{
float mark1,mark2,mark3;
while(1)
{
char id[20];
int index;
printf("请输入要修改的学生的学号:");
scanf("%s",&id);
getchar();
index=Student_SearchByIndex(id);
if (index==-1)
{
printf("学生不存在!\n");
}
else
{
printf("你要修改的学生信息为:\n");
Student_DisplaySingle(index);
printf("-- 请输入新值--\n");
printf("请输入学号:");
scanf("%s",&students[index].ID);
getchar();
printf("请输入姓名:");
scanf("%s",&students[index].Name);
getchar();
printf("请输入成绩:");
scanf("%f",&students[index].Mark1);
getchar();
printf("请输入成绩:");
scanf("%f",&students[index].Mark2);
getchar();
printf("请输入成绩:");
scanf("%f",&students[index].Mark3);
getchar();
students[index].Average=Avg(students[index]);
}
printf("是否继续?(y/n)");
if (getchar()=='n')
{
break;
}
}
}
/*删除学生信息*/
void Student_Delete()
{
int i;
while(1)
{
char id[20];
int index;
printf("请输入要删除的学生的学号:");
scanf("%s",&id);
getchar();
index=Student_SearchByIndex(id);
if (index==-1)
{
printf("学生不存在!\n");
}
else
{
printf("你要删除的学生信息为:\n");
Student_DisplaySingle(index);
printf("是否真的要删除?(y/n)");
if (getchar()=='y')
{
for (i=index;i<num-1;i++)
{
students[i]=students[i+1];
}
num--;
}
getchar();
}
printf("是否继续?(y/n)");
if (getchar()=='n')
{
break;
}
}
}
/*按姓名查询*/
void Student_Select()
{
while(1)
{
char name[20];
int index;
printf("请输入要查询的学生的姓名:");
scanf("%s",&name);
getchar();
index=Student_SearchByName(name);
if (index==-1)
{
printf("学生不存在!\n");
}
else
{
printf("你要查询的学生信息为:\n");
Student_DisplaySingle(index);
}
printf("是否继续?(y/n)");
if (getchar()=='n')
{
break;
}
}
}
/*按平均值排序*/
void Student_SortByAverage()
{
int i,j;
struct Student tmp;
for (i=0;i<num;i++)
{
for (j=1;j<num-i;j++)
{
if (students[j-1].Average<students[j].Average)
{
tmp=students[j-1];
students[j-1]=students[j];
students[j]=tmp;
}
}
}
}
/*显示学生信息*/
void Student_Display()
{
int i;
printf("%10s%10s%8s%8s%8s%10s\n","学号","姓名","成绩","成绩","成绩","平均成绩");
printf("-------------------------------------------------------------\n");
for (i=0;i<num;i++)
{
printf("%10s%10s%8.2f%8.2f%8.2f%10.2f\n",students[i].ID,students[i].Name,
students[i].Mark1,students[i].Mark2,students[i].Mark3,students[i].Average);
}
}
/*将学生信息从文件读出*/
void IO_ReadInfo()
{
FILE *fp;
int i;
if ((fp=fopen("Database.txt","rb"))==NULL)
{
printf("不能打开文件!\n");
return;
}
if (fread(&num,sizeof(int),1,fp)!=1)
{
num=-1;
}
else
{
for(i=0;i<num;i++)
{
fread(&students[i],sizeof(struct Student),1,fp);
}
}
fclose(fp);
}
/*将学生信息写入文件*/
void IO_WriteInfo()
{
FILE *fp;
int i;
if ((fp=fopen("Database.txt","wb"))==NULL)
{
printf("不能打开文件!\n");
return;
}
if (fwrite(&num,sizeof(int),1,fp)!=1)
{
printf("写入文件错误!\n");
}
for (i=0;i<num;i++)
{
if (fwrite(&students[i],sizeof(struct Student),1,fp)!=1)
{
printf("写入文件错误!\n");
}
}
fclose(fp);
}
/*主程序*/
main()
{
int choice;
IO_ReadInfo();
while(1)
{
/*主菜单*/
printf("\n------ 学生成绩管理系统------\n");
printf("1. 增加学生记录\n");
printf("2. 修改学生记录\n");
printf("3. 删除学生记录\n");
printf("4. 按姓名查询学生记录\n");
printf("5. 按平均成绩排序\n");
printf("6. 退出\n");
printf("请选择(1-6):");
scanf("%d",&choice);
getchar();
switch(choice)
{
case 1:
Student_Insert();
break;
case 2:
Student_Modify();
break;
case 3:
Student_Delete();
break;
case 4:
Student_Select();
break;
case 5:
Student_SortByAverage();
Student_Display();
break;
case 6:
exit();
break;
}
IO_WriteInfo();
}
}
请采纳。
⑹ 程序设计一个学生成绩管理系统~~~
|依靠Baihi联系
有时间能处理你的题目
我们可以根据本要求提供一份相当于学生水平的源代码内
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7 |
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6 | 十年信誉铸成品质
1 | 速度专业积累效率
5 | 开发信息管理系统更有优惠
⑺ C语言程序设计：学生成绩管理系统（用文件或链表做）
插入排序
=
=~冒泡
排序
也好啊~
链表排序注意
指针的处理
⑻ C语言程序设计学生成绩管理系统
随便写了些
不满意你自己在改改吧
#include <stdio.h>
#include <malloc.h>
#include <memory.h>
#include <string.h>
typedef struct student{
int Num;
char name[12];
int age;
struct student* pNext;
}STUDENT,*PSTUDENT;
#define LEN sizeof(STUDENT)
PSTUDENT pHeader,pNail;
int n=0;
void PrintMenu();
bool ExistStudent(int Num);
void InsertInfo();
bool DeleteInfo(int Num);
bool UpdateInfo(int Num,PSTUDENT pNewInfo);
void PrintInfo();
int main()
{
PrintMenu();
int iSel=0;
while(1)
{
printf("输入操作选择:");
scanf("%d",&iSel);
switch(iSel)
{
case 0:
return 0;
case 1:
PrintInfo();
continue;
case 2:
InsertInfo();
continue;
case 3:
{
int num=0;
printf("输入要删除的学生学号:");
scanf("%d",&num);
if(DeleteInfo(num))
printf("删除成功!\n");
else
printf("删除失败!\n");
continue;
}
case 4:
{
int num=0;
printf("输入要修改的学生学号:");
scanf("%d",&num);
STUDENT stu={0};
printf("输入该学生的新信息(空格分隔):");
scanf("%d%s%d",&stu.Num,&stu.name,&stu.age);
if(UpdateInfo(num,&stu))
printf("修改成功!\n");
else
printf("修改失败!\n");
continue;
}
continue;
default:
continue;
}
}
return 0;
}
void PrintMenu()
{
printf("******操作菜单******\n");
printf("* 1. 打印学生信息\n");
printf("* 2. 添加学生信息\n");
printf("* 3. 删除学生信息\n");
printf("* 4. 修改学生信息\n");
printf("* 0. 退出系统\n");
printf("*********************\n");
}
void InsertInfo()
{
PSTUDENT pCur;
printf("请输入学生记录(各元素用空格分隔,输入学号为0时停止)\n");
while(true)
{
pCur = (PSTUDENT)malloc(LEN);
memset(pCur,NULL,LEN);
printf("==>:");
scanf("%d%s%d",&pCur->Num,pCur->name,&pCur->age);
if(pCur->Num==0)
break;
if(ExistStudent(pCur->Num))
{
printf("该学生信息已经存在！\n");
break;
}
if(n==0)
{
pNail=pHeader=pCur;
pHeader->pNext=NULL;
}
else
{
pNail->pNext=pCur;
pNail=pCur;
pCur->pNext=NULL;
}
n++;
}
}
bool DeleteInfo(int Num)
{
PSTUDENT pStu=pHeader;
if(!pStu)
return false;
for(pStu;pStu!=NULL;pStu=pStu->pNext)
{
if(Num==pStu->Num)
{
pHeader=pStu->pNext;
return true;
}
else if(pStu->pNext&&Num==pStu->pNext->Num)
{
pStu->pNext=pStu->pNext->pNext;
return true;
}
}
return false;
}
bool UpdateInfo(int Num,PSTUDENT pNewInfo)
{
PSTUDENT pStu=pHeader;
if(!pStu)
return false;
if(Num!=pNewInfo->Num&&ExistStudent(pNewInfo->Num))
return false;
for(pStu;pStu!=NULL;pStu=pStu->pNext)
{
if(Num==pStu->Num)
{
pStu->Num=pNewInfo->Num;
memset(pStu->name,0,sizeof(pStu->name));
strcpy(pStu->name,pNewInfo->name);
pStu->age=pNewInfo->age;
return true;
}
}
return true;
}
void PrintInfo()
{
PSTUDENT pStu=pHeader;
if(!pStu)
{
printf("没有学生信息!\n");
return;
}
for(pStu;pStu!=NULL;pStu=pStu->pNext)
printf("学号:%d 姓名:%s 年龄:%d\n",pStu->Num,pStu->name,pStu->age);
}
bool ExistStudent(int Num)
{
PSTUDENT pStu=pHeader;
if(!pStu)
return false;
for(pStu;pStu!=NULL;pStu=pStu->pNext)
{
if(Num==pStu->Num)
return true;
}
return false;
}
⑼ C语言程序设计 班级学生成绩管理系统
#include <stdio.h>
#include <malloc.h>
#include <string.h>
#include <conio.h>
#define ADDRFILE "c:\\addrlist.txt"
typedef struct tagLinkedList
{
char name[30];
char tel[30];
char addr[100];
struct tagLinkedList *prev;
struct tagLinkedLIst *next;
}ADDR;
ADDR *g_pAddrHead = NULL;
ADDR *g_pFind;
int g_bSaved = 1;
void get_addrlist(void);
int add_list(const ADDR *addr);
int find_list(const char *name);
void SetHeadPosition(void);
void SetTailPosition(void);
void Add_addr(void);
void Find_addr(void);
void Modify_addr(void);
void Delete_addr(void);
void Print_addr(void);
void Save_addr(void);
void Remove_addr(void);
void main(void)
{
int ch;
get_addrlist();
puts("通讯录程序 Version 1.0");
while(1)
{
printf("\n[1]新增 [2]搜索 [3]修改 [4]删除 [5]输出 [S]储存 [Q]退出");
ch = getch();
switch(ch)
{
case '1': Add_addr();break;
case '2': Find_addr();break;
case '3': Modify_addr();break;
case '4': Delete_addr();break;
case '5': Print_addr();break;
case 's':
case 'S': Save_addr();break;
case 'q':
case 'Q':
if(g_bSaved == 0)
{
printf("\n\n修改后的数据需要储存吗？(y/n)?");
ch = getchar();
if(ch == 'Y' || ch == 'y') Save_addr();
}
Remove_addr(); exit(1);
default : printf("\n\n 请按1~5或S/Q健.\n\n");break;
}
}
}
void get_addrlist(void)
{
ADDR addr;
FILE *fp;
fp = fopen(ADDRFILE,"rb");
if(fp == NULL)
{
perror("open file error;");
return;
}
while(!feof(fp))
{
fread(&addr,1,sizeof(ADDR),fp);
if(ferror(fp))
{
fclose(fp);
perror("file read error;");
return;
}
if(feof(fp))break;
if(add_list(&addr) == 0)
{
printf(".\n");
}
}
fclose(fp);
}
int add_list(const ADDR *addr)
{
ADDR *plocal,*pn = g_pAddrHead;
SetHeadPosition();
if(g_pAddrHead == NULL)
{
plocal = malloc(sizeof(ADDR));
memset(plocal,0,sizeof(ADDR));
if(plocal == NULL)
{
return 0;
}
g_pAddrHead = plocal;
g_pAddrHead->prev = NULL;
g_pAddrHead->next = NULL;
}
else
{
plocal = malloc(sizeof(ADDR));
memset(plocal,0,sizeof(ADDR));
if(plocal == NULL)
{
return 0;
}
while(pn->next)
{
pn = pn->next;
}
pn->next = plocal;
plocal->prev = pn;
plocal->next = NULL;
}
strcpy(plocal->name,addr->name);
strcpy(plocal->tel,addr->tel);
strcpy(plocal->addr,addr->addr);
return 1;
}
int find_list(const char *name)
{
ADDR *plocal;
SetHeadPosition();
plocal = g_pAddrHead;
while(plocal)
{
if(strstr(plocal->name,name))
{
g_pFind = plocal;
return 1;
}
plocal = plocal->next;
}
return 0;
}
void SetHeadPosition(void)
{
if(g_pAddrHead == NULL) return;
while(g_pAddrHead->prev)
{
g_pAddrHead = g_pAddrHead->prev;
}
}
void SetTailPosition(void)
{
if(g_pAddrHead == NULL) return;
while(g_pAddrHead->next)
{
g_pAddrHead = g_pAddrHead->next;
}
}
void Remove_addr(void)
{
ADDR *plocal;
if(g_pAddrHead == NULL) return;
SetHeadPosition();
while(g_pAddrHead)
{
plocal = g_pAddrHead->next;
free(g_pAddrHead);
g_pAddrHead = plocal;
}
g_pAddrHead = NULL;
}
void Add_addr(void)
{
ADDR addr;
memset(&addr,0,sizeof(ADDR));
printf("\n\nName: ");gets(addr.name);
if(strlen(addr.name) == 0) return;
printf("TEL: ");gets(addr.tel);
printf("ADDR: ");gets(addr.addr);
if(find_list(addr.name) == 1)
{
printf("\n已经存在的姓名.\n\n");
puts(g_pFind->name);
puts(g_pFind->tel);
puts(g_pFind->addr);
return;
}
if(add_list(&addr))
{
g_bSaved = 0;
printf("\n储存完毕.\n\n");
}
}
void Find_addr(void)
{
char buff[100] ={0,};
ADDR *plocal;
printf("\n\n请输入要查找的姓名/电话/地址.\n");
printf("姓名/电话/地址 :");gets(buff);
if(strlen(buff) == 0) return;
SetHeadPosition();
plocal = g_pAddrHead;
g_pFind = NULL;
while(plocal)
{
if(strstr(plocal->name,buff))
{
g_pFind = plocal;
break;
}
if(strstr(plocal->tel,buff))
{
g_pFind = plocal;
break;
}
if(strstr(plocal->addr,buff))
{
g_pFind = plocal;
break;
}
plocal = plocal->next;
}
if(g_pFind)
{
puts(g_pFind->name);
puts(g_pFind->tel);
puts(g_pFind->addr);
}
else
{
printf("\n\n搜索不到要找的%s.\n\n",buff);
}
}
void Modify_addr(void)
{
char name[100] = {0,};
ADDR addr;
while(1)
{
printf("\n\n要修改的姓名: ");gets(name);
if(strlen(name) == 0) return;
if(find_list(name) == 0)
{
puts("输入的姓名不存在.");
continue;
}
break;
}
printf("\n%s的通讯录如下：\n\n",name);
puts(g_pFind->name);
puts(g_pFind->tel);
puts(g_pFind->addr);
printf("\n输入要修改的姓名/电话/地址.\n\n");
printf("NAME: ");gets(addr.name);
printf("TEL : ");gets(addr.tel);
printf("ADDR: ");gets(addr.addr);
if(strlen(addr.name)==0) strcpy(addr.name,name);
strcpy(g_pFind->name,addr.name);
strcpy(g_pFind->tel,addr.tel);
strcpy(g_pFind->addr,addr.addr);
g_bSaved = 0;
printf("%s的通讯录修改成功.\n",name);
}
void Delete_addr(void)
{
char name[100] ={0,};
ADDR *plocal;
int ch;
while(1)
{
printf("\n\n要删除的姓名: ");gets(name);
if(strlen(name)==0) return;
if(find_list(name) == 0)
{
puts("要删除的通讯录不存在.");
continue;
}
break;
}
puts(g_pFind->name);
puts(g_pFind->tel);
puts(g_pFind->addr);
printf("确定要删除%s的通讯录吗(y/n)?",name);
ch = getch();
fflush(stdin);
if(ch == 'Y'||ch == 'y')
{
if(g_pFind->prev == NULL)
{
if(g_pFind->next == NULL)
{
free(g_pFind);
g_pAddrHead = NULL;
}
else
{
plocal = g_pFind->next;
free(g_pFind);
plocal->prev =NULL;
g_pAddrHead = plocal;
}
}
else if(g_pFind->next == NULL)
{
plocal = g_pFind->prev;
free(g_pFind);
plocal->next =NULL;
g_pAddrHead = plocal;
}
else
{
plocal = g_pFind->prev;
plocal->next = g_pFind->next;
plocal = g_pFind->next;
plocal->prev = g_pFind->prev;
free(g_pFind);
g_pAddrHead = plocal;
}
g_bSaved = 0;
printf("\n\n删除完毕.\n\n");
}
}
void Print_addr(void)
{
int count = 1;
ADDR *plocal;
SetHeadPosition();
if(g_pAddrHead == NULL)
{
printf("\n\n无任何数据\n");
return;
}
plocal = g_pAddrHead;
while(plocal->prev)
{
plocal=plocal->prev;
}
printf("\n\n");
while(plocal)
{
printf("NO.%d\n",count++);
puts(plocal->name);
puts(plocal->tel);
printf("%s\n\n",plocal->addr);
printf("请按任意一健(结束:q)\n\n");
getch();
if(getch() == 'q')return;
plocal=plocal->next;
}
}
void Save_addr(void)
{
ADDR *plocal, *pn;
FILE *fp;
if(g_pAddrHead == NULL) return;
fp = fopen(ADDRFILE,"w+b");
if(fp == NULL)
{
perror("file open error;");
return;
}
SetHeadPosition();
plocal = g_pAddrHead;
while(plocal)
{
pn = plocal->next;
plocal = pn;
}
printf("\n所有数据已经储存完毕.");
g_bSaved = 1;
fclose(fp);
}