C语言职工信息管理系统代码

#include <stdio.h>#include <windows.h>#include <string.h>#include <stdlib.h>#define N 100int n,flag;char a;struct employee{int num;char name[20];char sex;int age;int wage;char xueli[30];char addr[30];char tel[20];}em[N];void menu();void input();void save(int);void display();void del();void add();void search();void search_num();void search_xueli();void search_tel();void modify();void main(){menu();do{printf("请选择你需要操作的步骤(1--7):\n");scanf("%d",&n);if(n>=1&&n<=7){flag=1;break;}else{flag=0;printf("您输入有误，请重新选择!");}}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("删除职工信息\n");printf("\n");del();break;case 5:printf("添加职工信息\n");printf("\n");add();break;case 6:printf("修改职工信息\n");printf("\n");modify();break;case 7: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");menu();printf("请再次选择你需要操作的步骤(1--7):\n");scanf("%d",&n);printf("\n");}elseexit(0);}}void menu(){printf(" --------------------欢迎进入职工信息管理系统----------\n");printf(" 1.输入职工信息\n");printf(" 2.浏览职工信息\n");printf(" 3.查询职工信息\n");printf(" 4.删除职工信息\n");printf(" 5.添加职工信息\n");printf(" 6.修改职工信息\n");printf(" 7.退出\n");printf(" --------------------谢谢使用--------------------------\n");printf("\n");printf("\n");}void input(){int i,m;printf("请输入需要创建信息的职工人数(1--100):\n");scanf("%d",&m);for(i=0;i<m;i++){printf("请输入职工号:");scanf("%d",&em[i].num);printf("请输入姓名:");scanf("%s",em[i].name);getchar();printf("请输入性别(f--女m--男): ");scanf("%c",&em[i].sex);printf("请输入年龄:");scanf("%d",&em[i].age);printf("请输入学历: ");scanf("%s",em[i].xueli);printf("请输入工资: ");scanf("%d",&em[i].wage);printf("请输入住址: ");scanf("%s",em[i].addr);printf("请输入电话: ");scanf("%s",em[i].tel);printf("\n");}printf("\n创建完毕!\n");save(m);}void save(int m){int i;FILE*fp;if ((fp=fopen("employee_list","wb"))==NULL){printf ("cannot open file\n");exit(0);}for (i=0;i<m;i++)if (fwrite(&em[i],sizeof(struct employee),1,fp)!=1) printf("file write error\n");fclose(fp);}int load(){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(){int i;int m=load();printf("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++)printf("\n%d\t%s\t%c\t%d\t%s\t%d\t%s\t%s\n",em[i].num,em[i].name,em[i].sex,em[i].age,e m[i].xueli,em[i].wage,em[i].addr,em[i].tel);}void del(){int m=load();int i,j,n,t,flag;char name[20];printf("\n 原来的职工信息:\n");display();printf("\n");printf("请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("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%s\n",em[i].num,em[i].name,em[i].sex,em[i].age,e m[i].xueli,em[i].wage,em[i].addr,em[i].tel);printf("\n确实要删除此人信息请按1,不删除请按0\n");scanf("%d",&n);if(n==1){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);strcpy(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);display();printf("\n继续删除请按1，不再删除请按0\n");scanf("%d",&t);switch(t){case 1:del();break;case 0:break;default :break;}}void add(){FILE*fp;int n;int count=0;int i;int m=load();printf("\n 原来的职工信息:\n");display();printf("\n");fp=fopen("emploee_list","a");printf("请输入想增加的职工数:\n");scanf("%d",&n);for (i=m;i<(m+n);i++){printf("\n请输入新增加职工的信息:\n");printf("请输入职工号: ");scanf("%d",&em[i].num);printf("\n");printf("请输入姓名: ");scanf("%s",em[i].name);getchar();printf("请输入性别(f--女m--男): ");scanf("%c",&em[i].sex);printf("请输入年龄: ");scanf("%d",&em[i].age);printf("请输入学历: ");scanf("%s",em[i].xueli);printf("请输入工资: ");scanf("%d",&em[i].wage);printf("请输入住址: ");scanf("%s",em[i].addr);printf("请输入电话: ");scanf("%s",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 search(){int t,flag;do{printf("\n按职工号查询请按1; 按学历查询请按2; 按电话号码查询请按3；进入主函数请按4\n");scanf("%d",&t);if(t>=1&&t<=4){flag=1;break;}else{flag=0;printf("您输入有误，请重新选择!");}}while(flag==0);while(flag==1){switch(t){case 1:printf("按职工号查询\n");search_num();break;case 2:printf("按学历查询\n");search_xueli();break;case 3:printf("按电话号码查询\n");search_tel();break;case 4:main();break;default:break;}}}void search_num(){int num;int i,t;int m=load();printf("请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("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%s\n",em[i].num,em[i].name,em[i].sex,em[i].age,e m[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("返回查询函数请按1,继续查询职工号请按2\n");scanf("%d",&t);switch(t){case 1:search();break;case 2:break;default:break;}}void search_xueli(){char xueli[30];int i,t;int m=load();printf("请输入要查找的学历:\n");scanf("%s",xueli);for(i=0;i<m;i++)if(strcmp(em[i].xueli,xueli)==0){printf("\n已找到，其记录为：\n");printf("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%s\n",em[i].num,em[i].name,em[i].sex,em[i].age,e m[i].xueli,em[i].wage,em[i].addr,em[i].tel);}if(i==m)printf("\n对不起，查无此人\n");printf("\n");printf("返回查询函数请按1,继续查询学历请按2\n");scanf("%d",&t);switch(t){case 1:search();break;case 2:break;default :break;}}void search_tel(){char tel[20];int i, t;int m=load();printf("请输入要查找的电话号码:\n");scanf("%s",tel);for(i=0;i<m;i++)if(strcmp(tel,em[i].tel)==0){printf("\n已找到此人，其记录为：\n");printf("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%s\n",em[i].num,em[i].name,em[i].sex,em[i].age,e m[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("返回查询函数请按1,继续查询电话号码请按2\n");scanf("%d",&t);switch(t){case 1:search();break;case 2:break;default :break;}}void modify(){char name[20];char sex;int age;char xueli[30];int wage;char addr[30];char tel[20];int b,c,i,n,t,flag;int m=load();printf("\n 原来的职工信息:\n");display();printf("\n");printf("请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("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%s\n",em[i].num,em[i].name,em[i].sex,em[i].age,e m[i].xueli,em[i].wage,em[i].addr,em[i].tel);printf("\n确实要修改此人信息请按1 不修改请按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("请输入你想修改的那一项序号:\n");scanf("%d",&c);if(c>8||c<1)printf("\n选择错误，请重新选择!\n");}flag=0;}}if(flag==1)printf("\n对不起，查无此人!\n");do{switch(c){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);em[i-1].wage=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("%s",tel);strcpy(em[i-1].tel,tel);break;}printf("\n");printf("\n是否确定所修改的信息?\n 是请按1 不,重新修改请按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继续修改请按1，不再修改请按0\n");scanf("%d",&t);switch(t){case 1:modify();break;case 0:break;default :break;}}。