本文实例为大家分享了C语言职工信息管理系统的具体代码，供大家参考，具体内容如下
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#include#include #include #include struct worker { char ID[20];//工号 char name[20];//姓名 char sex[5];//性别 char born[20];//生日 char edu[20];//学历 char position[20];//职务 char wage[10];//工资 char address[100];//住址 char tel[15];//电话 }work[1000]; int n ; //文件读写模块 void read()//读入数据 { FILE *fp; int i = 0; if( (fp = fopen("d:\\date.txt","r")) == NULL ) { printf("请在D盘根目录下新建一个文本文件，文件名为date\n\n\n"); system("pause"); system("cls"); return ; } fscanf(fp,"%d\n",&n); while(i < n) { fscanf(fp,"%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n",work[i].ID,work[i].name,work[i].sex,work[i].born,work[i].edu,work[i].position,work[i].wage,work[i].address,work[i].tel); i ++; } fclose(fp); } void write()//写入数据 { FILE *fp; int i = 0; if( (fp = fopen("d:\\date.txt","w")) == NULL ) { printf("无法打开文件！\n"); return ; } fprintf(fp,"%d\n",n); while(i < n) { fprintf(fp,"%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n",work[i].ID,work[i].name,work[i].sex,work[i].born,work[i].edu,work[i].position,work[i].wage,work[i].address,work[i].tel); i ++; } fclose(fp); } //输入模块 void input()// 从键盘输入 { int i; int flag;//标记工号是否已存在 char c;//指令Y?N read();//输入数据前先将文件中原有的数据读入 do { flag = 0; printf("\t\t请输入职工的工号: \n\t\t"); scanf("%s",work[n].ID); for(i = 0 ; i < n ; i ++) { if(strcmp(work[i].ID,work[n].ID) == 0) { flag = 1; break; } } if(flag) { printf("该工号已存在！\n\n"); printf("\t\t是否继续输入?(Y/N): "); scanf("%*c%c",&c); if(c == 'N' || c == 'n') break; continue; } printf("\t\t请输入职工的姓名: \n\t\t"); scanf("%s",work[n].name); printf("\t\t请输入职工的性别: \n\t\t"); scanf("%s",work[n].sex); printf("\t\t请输入职工的出生年月: \n\t\t"); scanf("%s",work[n].born); printf("\t\t请输入职工的学历: \n\t\t"); scanf("%s",work[n].edu); printf("\t\t请输入职工的职务: \n\t\t"); scanf("%s",work[n].position); printf("\t\t请输入职工的工资: \n\t\t"); scanf("%s",work[n].wage); printf("\t\t请输入职工的住址: \n\t\t"); scanf("%s",work[n].address); printf("\t\t请输入职工的电话: \n\t\t"); scanf("%s",work[n].tel); printf("\t\t是否继续输入?(Y/N): "); scanf("%*c%c",&c); n ++; }while( c != 'N' && c != 'n'); write(); printf("\n\n数据已保存！\n\n"); } //显示模块 void output_inf(int id) { printf("\t\t 工号: %s\n",work[id].ID); printf("\t\t 姓名: %s\n",work[id].name); printf("\t\t 性别: %s\n",work[id].sex); printf("\t\t出生年月: %s\n",work[id].born); printf("\t\t 学历: %s\n",work[id].edu); printf("\t\t 职务: %s\n",work[id].position); printf("\t\t 工资: %s\n",work[id].wage); printf("\t\t 住址: %s\n",work[id].address); printf("\t\t 电话: %s\n",work[id].tel); printf("\n\n\n"); } void show()//显示所有职工信息 { int i; read(); if(n == 0) printf("无记录!\n\n"); else for(i = 0 ; i < n ; i ++) { output_inf(i); } } //查询模块 void que()//查询信息 { char num; int flag,i; char q_id[20] ;//查询工号 char q_name[20] ;//查询姓名 char q_edu[20] ; //查询学历 char q_position[20] ;//查询职位 char c;//指令Y?N read();//打开程序后，要查询以前的数据，要先读入 while(1) { system("cls"); printf("\t\t******************查询********************\n"); printf("\t\t* *\n"); printf("\t\t* 1.按工号查询 *\n"); printf("\t\t* *\n"); printf("\t\t* 2.按姓名查询 *\n"); printf("\t\t* *\n"); printf("\t\t* 3.按学历查询 *\n"); printf("\t\t* *\n"); printf("\t\t* 4.按职务查询 *\n"); printf("\t\t* *\n"); printf("\t\t* 输入其他任意键退出本模块 *\n"); printf("\t\t******************************************\n"); printf("\t\t请输入指令(1-4):"); scanf("%*c%c",&num); if(num < '1' || num > '4') { printf("错误指令！\n\n"); system("pause"); continue; } system("cls"); flag = 0;//用来标记职工信息是否存在 if(num == '1')//按工号查询 { printf("\t\t请输入您要查询职工的工号："); scanf("%s",q_id); for(i = 0 ; i < n ;i ++) { if( strcmp(work[i].ID,q_id) == 0) { output_inf(i); flag = 1;//标记 break; } } } else if(num == '2')//按姓名查询 { printf("\t\t请输入您要查询职工的姓名："); scanf("%s",q_name); for(i = 0 ; i < n ;i ++) { if( strcmp(work[i].name,q_name) == 0) { output_inf(i); flag = 1;//标记 } } } else if(num == '3')//按学历查询 { printf("\t\t请输入您要查询职工的学历："); scanf("%s",q_edu); for(i = 0 ; i < n ;i ++) { if( strcmp(work[i].edu,q_edu) == 0) { output_inf(i); flag = 1;//标记 } } } else if(num == '4')//按职务查询 { printf("\t\t请输入您要查询职工的职务："); scanf("%s",q_position); for(i = 0 ; i < n ;i ++) { if( strcmp(work[i].position,q_position) == 0) { output_inf(i); flag = 1;//标记 } } } if(!flag)//判断是否有该职工信息 { printf("\n\n无该职工信息!\n\n"); } printf("\n\n是否继续查询(Y/N):"); scanf("%*c%c",&c); if(c == 'N' || c == 'n') break; } } //修改信息模块 void mod()//修改职工信息 { char change_ID[20];//需修改的职工的工号 int number;//职工信息在数据中的位置 char num;//指令 char message[100];//修改的信息 char c;//指令Y?N int flag; int i; read(); while(1) { flag = 0; system("cls"); printf("请输入需修改的职工的工号："); scanf("%s",change_ID); for(i = 0 ; i < n ; i ++) { if( strcmp(work[i].ID,change_ID) == 0 ) { number = i; flag = 1; break; } } if(!flag) { printf("\n\n无此员工信息！！\n\n"); printf("\n\n是否继续修改(Y/N):"); scanf("%*c%c",&c); if(c == 'N' || c == 'n') break; continue; } printf("\n\n\t\t******************修改********************\n"); printf("\t\t* *\n"); printf("\t\t* 1.修改姓名 *\n"); printf("\t\t* *\n"); printf("\t\t* 2.修改学历 *\n"); printf("\t\t* *\n"); printf("\t\t* 3.修改职务 *\n"); printf("\t\t* *\n"); printf("\t\t* 4.修改工资 *\n"); printf("\t\t* *\n"); printf("\t\t* 5.修改住址 *\n"); printf("\t\t* *\n"); printf("\t\t* 6.修改电话 *\n"); printf("\t\t* *\n"); printf("\t\t* 输入其他任意键退出本模块 *\n"); printf("\t\t******************************************\n"); printf("\t\t请输入指令(1-6):"); scanf("%*c%c",&num); if(num < '1' || num > '6') { printf("错误指令！\n\n"); system("pause"); continue; } system("cls"); printf("请输入修改后的信息："); scanf("%s",message); switch(num) { case '1' : strcpy(work[number].name,message); break; case '2' : strcpy(work[number].edu,message); break; case '3' : strcpy(work[number].position,message); break; case '4' : strcpy(work[number].wage,message); break; case '5' : strcpy(work[number].address,message); break; case '6' : strcpy(work[number].tel,message); break; } system("cls"); printf("\n\n是否继续修改(Y/N):"); scanf("%*c%c",&c); if(c == 'N' || c == 'n') break; } write(); } //删除信息模块 void del()//删除职工信息 { char delete_ID[20];//删除职工工号 int i,j; int flag;//标记是否有该职工信息 char c; read(); while(1) { system("cls"); flag = 0; printf("请输入需删除职工信息的工号："); scanf("%s",delete_ID); for(i = 0 ; i < n ; i ++) { if( strcmp(work[i].ID,delete_ID) == 0) { n --; flag = 1; for(j = i ; j < n ; j ++) { work[j] =work[j + 1]; } break; } } if(!flag) printf("\n\n无此员工信息！\n\n"); else printf("\n\n删除成功！\n"); printf("\n\n是否继续删除(Y/N):"); scanf("%*c%c",&c); if(c == 'N' || c == 'n') break; } write(); } //菜单模块 void menu()//菜单 { printf("\t\t************职工信息管理系统菜单**********\n"); printf("\t\t* *\n"); printf("\t\t* 1.录入职工信息 *\n"); printf("\t\t* *\n"); printf("\t\t* 2.显示职工信息 *\n"); printf("\t\t* *\n"); printf("\t\t* 3.查询职工信息 *\n"); printf("\t\t* *\n"); printf("\t\t* 4.修改职工信息 *\n"); printf("\t\t* *\n"); printf("\t\t* 5.删除职工信息 *\n"); printf("\t\t* *\n"); printf("\t\t* 0.退出 *\n"); printf("\t\t* *\n"); printf("\t\t******************************************\n"); printf("\t\t请输入指令(0-5): "); } int main() { int num; n = 0; system("color 0B"); while(1) { menu(); scanf("%d",&num); system("cls"); switch(num) { case 1: input(); break; case 2: show(); break; case 3: que(); break; case 4: mod(); break; case 5: del(); break; case 0: printf("谢谢使用！\n\n"); return 0; default :printf("\n--->无效的指令!\n\n\n"); } system("pause"); system("cls"); } }
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