职工信息管理程序 (2)

#include <stdio.h>#include <windows.h>#include <time.h>#include <string.h>#define N 100struct employee{int num;char name[10];char sex;int age;char xueli[30];int wage;char addr[30];long int tel;}em[100]; /*定义一个结构体*/void menu();void input();void save(int);void display();void search();void search_num();void search_tel();void add();void del();void modify(); /*定义各函数*/void taxis();void menu() /*菜单函数*/{printf(" 08信工1班陈晓锋\n"); printf("\n");printf("功能菜单\n");printf("1.录入职工信息\n");printf("2.浏览职工信息\n");printf("3.查询职工信息\n");printf("4.添加职工信息\n");printf("5.删除职工信息\n");printf("6.修改职工信息\n");printf("7.按职工号排序\n");printf("8.退出\n");printf("\n");}void main(){menu(); /*调用菜单函数*/int n,flag;char a;do{printf("选择操作步骤:\n");scanf("%d",&n);if(n>=1&&n<=8){flag=1;break;}else{flag=0;printf("输入有误，重新选择!");}}while(flag==0);while(flag==1){switch(n){case 1:printf("输入职工信息\n");printf("\n");input();break;case 2:printf("浏览职工信息\n");printf("\n");display();break;case 3:printf("按职工号查询职工信息\n");printf("\n");search();break;case 4:printf("添加职工信息\n");printf("\n");add();break;case 5:printf("删除职工信息\n");printf("\n");del();break;case 6:printf("修改职工信息\n");printf("\n");modify();break;case 7:printf("按职工号排序\n");printf("\n");taxis();break;case 8:exit(0);break;default :break;}getchar();printf("\n");printf("是否继续进行(y or n):\n");scanf("%c",&a);if(a=='y'){flag=1;system("cls"); /*清屏*/menu(); /*调用菜单函数*/printf("选择操作步骤:\n");scanf("%d",&n);printf("\n");}elseexit(0);}}void input() /*录入函数*/{int i,m;printf("输入需要创建信息的职工人数:\n");scanf("%d",&m);for (i=0;i<m;i++){printf("输入职工号: ");scanf("%d",&em[i].num);printf("输入姓名: ");scanf("%s",em[i].name);getchar();printf("输入性别(f--女m--男): ");scanf("%c",&em[i].sex);printf("输入年龄: ");scanf("%d",&em[i].age);printf("输入学历: ");scanf("%s",em[i].xueli);printf("输入工资: ");scanf("%d",&em[i].wage);printf("输入住址: ");scanf("%s",em[i].addr);printf("输入电话: ");scanf("%d",&em[i].tel);printf("\n");}printf("\n创建完毕!\n");save(m);}void save(int m) /*保存文件函数*/{int i;FILE*fp;if ((fp=fopen("employee_list","wb"))==NULL) /*创建文件并判断是否能打开*/ {printf ("cannot open file\n");exit(0);}for (i=0;i<m;i++) /*将内存中职工的信息输出到磁盘文件中去*/if (fwrite(&em[i],sizeof(struct employee),1,fp)!=1)printf("file write error\n");fclose(fp);}int load() /*导入函数*/{FILE*fp;int i=0;if((fp=fopen("employee_list","rb"))==NULL){printf ("cannot open file\n");exit(0);}else{do{fread(&em[i],sizeof(struct employee),1,fp);i++;}while(feof(fp)==0);}fclose(fp);return(i-1);}void display() /*浏览函数*/{int i;int m=load();printf("\n职工号\t姓名\t性别\t年龄\t学历\t工资\t住址\t电话\n");for(i=0;i<m;i++) /*m为输入部分的职工人数*/printf("\n%d\t%s\t%c\t%d\t%s\t%d\t%s\t%ld\n",em[i].num,em[i].name,em[i].sex,em[i].age,em[i]. xueli,em[i].wage,em[i].addr,em[i].tel);}void search()/*查询函数*/{int t,flag;do{printf("\n按职工号查询按1 ; 按电话查询按2 ; 进入主函数按3\n");scanf("%d",&t);if(t>=1&&t<=3){flag=1;break;}elseprintf("输入有误，重新选择!");}}while(flag==0);while(flag==1){switch(t){case 1:printf("按职工号查询\n");search_num();break;case 2:printf("按电话查询\n");search_tel();break;case 3:main();break;default:break;}}}void search_num(){int num;int i,t;int m=load();printf("输入要查找的职工号:\n");scanf("%d",&num);for(i=0;i<m;i++)if(num==em[i].num){printf("\n已找到此人，其记录为：\n");printf("\n职工号\t姓名\t性别\t年龄\t学历\t工资\t住址\t电话\n");printf("\n%d\t%s\t%c\t%d\t%s\t%d\t%s\t%ld\n",em[i].num,em[i].name,em[i].sex,em[i].age,em[i]. xueli,em[i].wage,em[i].addr,em[i].tel);break;}if(i==m)printf("\n对不起，查无此人\n");printf("\n");printf("返回查询函数按1,继续查询职工号按2\n");scanf("%d",&t);switch(t){case 1:search();break;case 2: break;default:break;}}{long int tel;int i, t;int m=load();printf("输入要查找的电话:\n");scanf("%ld",&tel);for(i=0;i<m;i++)if(tel==em[i].tel){printf("\n已找到此人，其记录为：\n");printf("\n职工号\t姓名\t性别\t年龄\t学历\t工资\t住址\t电话\n");printf("\n%d\t%s\t%c\t%d\t%s\t%d\t%s\t%ld\n",em[i].num,em[i].name,em[i].sex,em[i].age,em[i]. xueli,em[i].wage,em[i].addr,em[i].tel);break;}if(i==m)printf("\n对不起，查无此人\n");printf("\n");printf("返回查询函数按1,继续查询电话按2\n");scanf("%d",&t);switch(t){case 1:search();break;case 2:break;default :break;}}void add()/*添加函数*/{FILE*fp;int n;int count=0;int i;int m=load();printf("\n 原来的职工信息:\n");display(); /* 调用浏览函数*/printf("\n");fp=fopen("emploee_list","a");printf("输入想增加的职工数:\n");scanf("%d",&n);for (i=m;i<(m+n);i++){printf("\n 输入新增加职工的信息:\n");printf("输入职工号: ");scanf("%d",&em[i].num);printf("输入姓名: ");scanf("%s",em[i].name);getchar();printf("输入性别(f--女m--男): ");scanf("%c",&em[i].sex);printf("输入年龄: ");scanf("%d",&em[i].age);printf("输入学历: ");scanf("%s",em[i].xueli);printf("输入工资: ");scanf("%d",&em[i].wage);printf("输入住址: ");scanf("%s",em[i].addr);printf("输入电话: ");scanf("%d",&em[i].tel);printf("\n");count=count+1;printf("已增加的人数:\n");printf("%d\n",count);}printf("\n添加完毕!\n");m=m+count;printf("\n浏览增加后的所有职工信息:\n");printf("\n");save(m);display();fclose(fp);}void del() /*删除函数*/{int m=load();int i,j,n,t,flag;char name[20];printf("\n 原来的职工信息:\n");display(); /* 调用浏览函数*/printf("\n");printf("输入要删除的职工的姓名:\n");scanf("%s",name);for(flag=1,i=0;flag&&i<m;i++){if(strcmp(em[i].name,name)==0){printf("\n已找到此人，原始记录为：\n");printf("\n职工号\t姓名\t性别\t年龄\t学历\t工资\t住址\t电话\n");printf("\n%d\t%s\t%c\t%d\t%s\t%d\t%s\t%ld\n",em[i].num,em[i].name,em[i].sex,em[i].age,em[i]. xueli,em[i].wage,em[i].addr,em[i].tel);printf("\n确实要删除此人信息按1,不删除按0\n");scanf("%d",&n);if(n==1) /*如果删除，则其他的信息都往上移一行*/{for(j=i;j<m-1;j++){strcpy(em[j].name,em[j+1].name);em[j].num=em[j+1].num;em[j].sex=em[j+1].sex;em[j].age=em[j+1].age;strcpy(em[j].xueli,em[j+1].xueli);em[j].wage=em[j+1].wage;strcpy(em[j].addr,em[j+1].addr);em[j].tel=em[j+1].tel;}flag=0;}}}if(!flag)m=m-1;elseprintf("\n对不起，查无此人!\n");printf("\n 浏览删除后的所有职工信息:\n");save(m); /*调用保存函数*/display(); /*调用浏览函数*/printf("\n继续删除按1，不再删除按0\n");scanf("%d",&t);switch(t){case 1:del();break;case 0:break;default :break;}}void modify() /*修改函数*/{int num;char name[10];char sex;int age;char xueli[30];int wage;char addr[30];long int tel;int b,c,i,n,t,flag;int m=load(); /*导入文件内的信息*/printf("\n 原来的职工信息:\n");display(); /* 调用浏览函数*/printf("\n");printf("输入要修改的职工的姓名:\n");scanf("%s",name);for(flag=1,i=0;flag&&i<m;i++){if(strcmp(em[i].name,name)==0){printf("\n已找到此人，原始记录为：\n");printf("\n职工号\t姓名\t性别\t年龄\t学历\t工资\t住址\t电话\n");printf("\n%d\t%s\t%c\t%d\t%s\t%d\t%s\t%ld\n",em[i].num,em[i].name,em[i].sex,em[i].age,em[i]. xueli,em[i].wage,em[i].addr,em[i].tel);printf("\n确实要修改此人信息按1 ; 不修改按0\n");scanf("%d",&n);if(n==1){printf("\n需要进行修改的选项\n 1.职工号2.姓名3.性别4.年龄5.学历6.工资7.住址8.电话\n");printf("输入想修改的那一项序号:\n");scanf("%d",&c);if(c>8||c<1)printf("\n选择错误，重新选择!\n");}flag=0;}}if(flag==1)printf("\n对不起，查无此人!\n");do{switch(c) /*因为当找到第i个职工时,for语句后i自加了1,所以下面的应该把改后的信息赋值给第i-1个人*/{case 1:printf("职工号改为: ");scanf("%d",&num);em[i-1].num=num;break;case 2:printf("姓名改为: ");scanf("%s",name);strcpy(em[i-1].name,name);break;case 3:printf("性别改为: ");getchar();scanf("%c",&sex);em[i-1].sex=sex;break;case 4:printf("年龄改为: ");scanf("%d",&age);em[i-1].age=age;break;case 5:printf("学历改为: ");scanf("%s",xueli);strcpy(em[i-1].xueli,xueli);break;case 6:printf("工资改为: ");scanf("%d",wage);break;case 7:printf("住址改为: ");scanf("%s",addr);strcpy(em[i-1].addr,addr);break;case 8:printf("电话改为: ");scanf("%ld",&tel);em[i-1].tel=tel;break;}printf("\n");printf("\n是否确定所修改的信息?\n 是按1 ; 不,重新修改按2: \n");scanf("%d",&b);}while(b==2);printf("\n浏览修改后的所有职工信息:\n");printf("\n");save(m);display();printf("\n继续修改按1，不再修改按0\n");scanf("%d",&t);switch(t){case 1:modify();break;case 0:break;default :break;}}void taxis(){employee w;employee *p;int i=0;int m,n;employee w1;FILE*fp;if((fp=fopen("employee_list","rb"))==NULL)printf ("cannot open file\n");else{fread(&w,sizeof(employee),1,fp);while(!(feof(fp))){i++;fread(&w,sizeof(employee),1,fp);}}rewind(fp);p=(employee *)calloc(i,sizeof(employee));for(m=0;m<i;m++){fread(&p[m],sizeof(employee),1,fp);}for(m=0;m<i-1;m++)for(n=0;n<i-m-1;n++)if(p[n].num>p[n+1].num){w1=p[n];p[n]=p[n+1];p[n+1]=w1;}printf("\n职工号\t姓名\t性别\t年龄\t学历\t工资\t住址\t电话\n");for(m=0;m<i;m++){printf("\n%d\t%s\t%c\t%d\t%s\t%d\t%s\t%ld\n",p[m].num,p[m].name,p[m].sex,p[m].age,p[ m].xueli,p[m].wage,p[m].addr,p[m].tel);}rewind(stdin);for(m=0;m<i;m++){fread(&p[m],sizeof(employee),1,fp);}free(p);fclose(fp);}。