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項目要求

以菜單方式工作管理每個職工的個人信息。

（1）總共有職工若干名，每個職工是一個記錄，包括的信息有： 職工號、姓名、性別、出生年月、學(xué)歷、職務(wù)、部門、工資、住址、電話等等（可以根據(jù)自己的需求添加），并且可以對職工信息進(jìn)行錄入、刪除、修改、瀏覽等操作。

（2）可以按姓名進(jìn)行查詢。

（3）可以修改職工的信息。

（4）用一個文檔來存儲職工的信息，并實(shí)現(xiàn)數(shù)據(jù)的讀取。

單個職工的頭文件：staff.h

#ifndef STAFF_H_INCLUDED
#define STAFF_H_INCLUDED
?
//結(jié)構(gòu)體創(chuàng)建
structstaff
{
    charID[10];
    charname[10];
    charsex[10];
    intpay;
    intreward;
    intfactpay;
};
?
//自定義結(jié)構(gòu)體
typedefstructstaff staff;
//單個職工信息創(chuàng)建
staff Createstaff();
//單個職工信息輸出
voidDisplaystaff(staff staff);
//修改職工信息
voidupdatestaff(staff *Staff);
#endif // STAFF_H_INCLUDED

單個職工的cpp文件：staff.cpp

#include 
#include 
#include "staff.h"
?
staff Createstaff()
{
    staff staff;
    printf("-----------ID-----------\n");
    scanf("%s", staff.ID);
    printf("-----------name-----------\n");
    scanf("%s", staff.name);
    printf("-----------sex-----------\n");
    scanf("%s", staff.sex);
    printf("-----------pay-----------\n");
    scanf("%d", &staff.pay);
    printf("-----------reward-----------\n");
    scanf("%d", &staff.reward);
    staff.factpay = staff.pay + staff.reward;
    printf("\n");
    returnstaff;
}
?
voidDisplaystaff(staff staff)
{
    printf("s", staff.ID);
    printf("s", staff.name);
    printf("s", staff.sex);
    printf("d", staff.pay);
    printf("d", staff.reward);
    printf("d", staff.factpay);
    printf("\n");
}
?
?
voidupdatestaff(staff *Staff)
{
    printf("-----請顯示要修改的數(shù)據(jù)--------\n");
    Displaystaff(*Staff);
?
    printf("-------請輸入要修改的數(shù)據(jù)---------");
    printf("-----------pay-----------\n");
    scanf("%d", &Staff->pay);
    printf("-----------reward-----------\n");
    scanf("%d", &Staff->reward);
    Staff->factpay = Staff->pay + Staff->reward;
    printf("\n");
?
}

2.鏈表的創(chuàng)建

鏈表的頭文件：.h

#ifndef LINKLIST_H_INCLUDED
#define LINKLIST_H_INCLUDED
#include "staff.h"
//鏈表結(jié)點(diǎn)創(chuàng)建
structNode
{
    structstaff Staff;
    structNode *next;
};
//自定義結(jié)點(diǎn)
?
typedefstructNode node;
typedefstructNode *linklist;
//創(chuàng)建鏈表
node *Createlinklist();
//輸出鏈表中的數(shù)據(jù)
voidDisplaylinklist(node *head);
//按職工號查找職工
node *searchnode(node *head, charID[]);
//按姓名查找職工
voidsearchnodebyname(node *head, charname[]);
//刪除職工
voiddelenode(linklist head, charID[]);
//插入職工
voidinsertnode(linklist head, staff Staff);
//鏈表銷毀
voiddistroylinklist(linklist head);
#endif // LINKLIST_H_INCLUDED

鏈表創(chuàng)建的源程序

linklist.cpp
#include 
#include 
#include 
#include "staff.h"
#include "linklist.h"
node *Createlinklist()
{
    node *head, *p;
    head = (node *)malloc(sizeof(node));
    head->next = NULL;
    staff a[100] = {{"11111", "mmm", "f", 12000, 2000, 14000},
                {"22222", "aaa", "m", 13000, 3000, 16000},
                {"33333", "sss", "f", 15000, 3000, 18000},
                {"44444", "fff", "m", 17000, 8000, 25000},
                {"55555", "ggg", "f", 20000, 5000, 25000}};
    for(inti = 0; i<5; i++)
    {
        p = (node *)malloc(sizeof(node));
        p->Staff = a[i];
        p->next = head->next;
        head->next = p;
    }
    returnhead;
}
?
voidDisplaylinklist(node *head)
{
    linklist p;
    p = head->next;
    while(p!=NULL)
    {
        Displaystaff(p->Staff);
        p = p->next;
    }
}
node *searchnode(node *head, charID[])
{
    linklist p;
    p = head;
    while(p!=NULL&&strcmp(p->next->Staff.ID, ID)!=0)
    {
        p = p->next;
    }
    returnp->next;
}
?
voidsearchnodebyname(node *head, charname[])
{
    linklist p;
    p = head;
    while((p!=NULL)&&(strcmp((p->next)->Staff.name, name)!=0))
    {
        p = p->next;
    }
    printf("-----′?è??a---------\n");
    printf("%s", p->next->Staff.name);
    printf("\n");
}
?
?
voiddelenode(linklist head, charID[])
{
    linklist p;
    p = head;
    while(p->next&&(strcmp(p->next->Staff.ID, ID)!=0))
    {
        p = p->next;
    }
    if(p->next)
    {
        p->next = p->next->next;
    }
    else
    {
        printf("=====NO FOUND========\n");
    }
}
voidinsertnode(linklist head, staff Staff)
{
    linklist p;
    p = (node *)malloc(sizeof(node));
    p->Staff = Staff;
    p->next = head->next;
    head->next = p;
}
?
voiddistroylinklist(linklist head)
{
    linklist p;
    p = head;
    while(p!=NULL)
    {
        p = p->next;
        free(p);
    }
}

3.文件存盤

file.h

#ifndef FILE_H_INCLUDED
#define FILE_H_INCLUDED
#include "linklist.h"
#include "staff.h"
//職工信息存盤
voidsaveinformation(linklist head );
//職工信息加載
voidloadinformation(linklist head );
?
#endif // FILE_H_INCLUDED

file.cpp

#include 
#include 
#include 
#include "file.h"
#include "linklist.h"
#include "staff.h"
?
voidsaveinformation(linklist h )
{
    FILE*fp;
    linklist p;
    if( (fp = fopen("stu.txt","w") ) == NULL)
    {
        printf("Failure to open stu.txt!\n");
        exit(0);
    }
    for( p = h->next; p; p=p->next  )
    {
        fwrite( &(p->Staff), sizeof(node), 1, fp);
    }
    fclose(fp);
}
?
voidloadinformation( linklist h )
{
    FILE*fp;
    staff nodeBuffer;
    if((fp = fopen("stu.txt","r")) == NULL)
    {
        printf("\n\t數(shù)據(jù)文件丟失或為首次運(yùn)行, 將加載測試數(shù)據(jù)\n");
        return;
    }
     while( fread(&nodeBuffer, sizeof(node), 1, fp)!=0 )
    {
        insertnode(h, nodeBuffer);
    }
}

4.主函數(shù)：.cpp

mainmeun.cpp
#include 
#include 
#include "linklist.h"
#include "staff.h"
#include "file.h"
voidmainmeun(linklist head);
voidsearchmenu(linklist head);
?
int main(void)
{
    linklist head=NULL;
    //int n;
    //printf("------請輸入你要存的數(shù)據(jù)----------\n");
    //scanf("%d", &n);
    head = Createlinklist();
    system("cls");
    //Displaylinklist(head);
    mainmeun(head);
    printf("\n\n");
    //loadinformation(head);
    //saveinformation(head);
    return0;
}
voidmainmeun(linklist head)
{
    linklist p;
    charID[10];
    //char name[10];
    staff Staff;
    intselection;
    intflag = 1;
    do
    {
        printf("=================職工管理系統(tǒng)===================\n");
        printf("==========1.鏈表輸出=====2.數(shù)據(jù)查詢=====\n");
        printf("=======3.數(shù)據(jù)刪除===4.數(shù)據(jù)修改=====5.添加數(shù)據(jù)======\n");
        printf("=======6.鏈表銷毀===7.信息存盤=====8.放棄存盤=====\n");
        printf("==================================================\n");
        printf("======請選擇功能（1~8）：");
        scanf("%d", &selection);
        switch(selection)
        {
        case1:
            Displaylinklist(head);
            break;
        case2:
            searchmenu(head);
            break;
        case3:
            printf("=========請輸入工號==========\n");
            scanf("%s", ID);
            delenode(head, ID);
            break;
        case4:
            printf("=========請輸入工號==========\n");
            scanf("%s", ID);
            p = searchnode(head, ID);
            updatestaff(&(p->Staff));
            break;
        case5:
            printf("========添加數(shù)據(jù)=========");
            Staff = Createstaff();
            insertnode(head, Staff);
            break;
        case6:
            distroylinklist(head);
            break;
        case7:
            loadinformation(head);
            saveinformation(head);
            break;
        case8:
            flag = 0;
            break;
        }
    }while(flag == 1);
    printf("========BYE=====BYE======");
}
voidsearchmenu(linklist head)
{
    linklist p;
    intflag = 1;
    charID[10];
    charname[10];
    do
    {
        printf("=========查找菜單===========\n");
        printf("===1.ID======2.name====3.退出====\n");
        printf("=================================\n");
        intselection;
        printf("==請選擇功能（1~3）：");
        scanf("%d", &selection);
        switch(selection)
        {
        case1:
            printf("=====請輸入ID=======\n");
            scanf("%s", ID);
            p = searchnode(head, ID);
            Displaystaff(p->Staff);
            break;
        case2:
            printf("=====請輸入name======\n");
            scanf("%s", name);
            searchnodebyname(head, name);
            break;
        case3:
            flag = 0;
            break;
        }
        system("pause");
        system("cls");
    }while(flag == 1);
}

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