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怎么用C语言实现职工工资管理系统

发布时间:2022-02-28 09:08:40 来源:亿速云 阅读:199 作者:iii 栏目:开发技术

本文小编为大家详细介绍“怎么用C语言实现职工工资管理系统”,内容详细,步骤清晰,细节处理妥当,希望这篇“怎么用C语言实现职工工资管理系统”文章能帮助大家解决疑惑,下面跟着小编的思路慢慢深入,一起来学习新知识吧。

设计要求:

模拟并设计一个企业的职工工资管理系统,职工信息包括工号、姓名、基本工资、津贴,设职工人数不超过500人,以菜单选项的方式完成相应的功能,主要功能需求如下:

1、建立工资表;

2、职工扣税和实发工资;

3、按实发工资从高到低的顺序显示工资明细表;

4、修改职工的工资信息;

5、按工号查询职工工资信息;

6、职工工资统计分析;

7、退出系统。

基本思路:

将职工工资管理系统的职工信息录入功能、数据处理并存入文件功能、按照职工工号查找职工工资信息功能、修改职工信息功能分成多个模块,为了使程序的可读性更强,程序的编写将以函数形式编写封装各个功能,然后在主函数中以循环形式读取用户输入的指令,根据用户的指令选择不同的函数入口地址,从而执行不同的操作,实现设计要求的职工工资管理系统的各项功能。

全部代码:

#include <stdio.h> 
#include <stdlib.h>
#include <math.h>
#include <windows.h>


#define Q 15               //最大字符串长度 
#define N 500              //最大员工数量 


typedef struct workers{
    int workersID;            //职工工号
    char name[Q];             //职工姓名
    double basicsalary;       //基本工资
    double allowance;         //津贴
    double taxsalary;         //扣税
    double truesalary;        //实发工资
}WORKERS;                     //职工信息


void Menu(int *n);                               //主菜单 
void Payroll(WORKERS work[],int *p);             //建立工资表 
void Taxsalary(WORKERS work[],int num);          //计算职工扣税和实发工资
void Sort(WORKERS work[],int num ) ;             //将工资从高到低排序
void Change(WORKERS work[],int num);             //修改职工的工资信息
int Find(WORKERS work[],int num);                //按工号查询职工工资信息
void Analyse(WORKERS work[],int num);            //职工工资统计分析 
void Printworkroll(WORKERS work[],int num);      //显示工资明细表
void Writefile(WORKERS work[],int num);          //输出数据并写入 data.txt 文件 

    
int main()
{   
    WORKERS work[N];                             //定义一个结构体数组来存储员工信息 
    char ch;                                     //ch为检测是否返回主菜单 
    int n,num=0,ret;                             //n为操作数,num为总人数,ret判断数 
    while(1){
        system("cls");
        Menu(&n);                                //主菜单 
        
        switch(n){
            case 0:
                system("cls");                   //退出程序 
                printf("退出成功!\n");
                exit(0);
            case 1:
                Payroll(work,&num);              //建立工资表
                break;
            case 2:
                Taxsalary(work,num);             //职工扣税和实发工资
                Writefile(work,num);             //输出数据并写入 data.txt 文件 
                printf("计算完成,并输出数据至txt文件!\n");
                Sleep(2000);
                system("cls");
                break;
            case 3:
                Sort(work,num);                  //将工资从高到低排序
                Printworkroll(work,num);         //显示工资明细表
                printf("\n是否返回主菜单?Y or N\n");
                fflush(stdin);
                ch=getchar();
                if(ch=='N'){
                    exit(0);
                }
                break;
            case 4:
                Change(work,num);                //修改职工的工资信息
                printf("\n是否返回主菜单?Y or N\n");
                fflush(stdin);
                ch=getchar();
                if(ch=='N'){
                    exit(0);
                }
                break;
            case 5:
                ret=Find(work,num);              //按工号查询职工工资信息
                if(ret==0){
                    printf("查无此人!");        //反馈查询不到信息 
                }
                printf("\n是否返回主菜单?Y or N\n");
                fflush(stdin);
                ch=getchar();
                if(ch=='N'){
                    exit(0);
                }
                break;
            case 6:
                Analyse(work,num);               //职工工资统计分析
                printf("\n是否返回主菜单?Y or N\n");
                fflush(stdin);
                ch=getchar();
                if(ch=='N'){
                    exit(0);
                }
                break;
        }
    }
    return 0;
}


void Menu(int *n)                                 //主菜单   *n为返回操作数 
{
    int a;
    printf(" ——————职工工资管理系统——————\n");
    printf("|       1.建立职工工资表                 |\n");
    printf("|       2.职工扣税和实发工资             |\n");
    printf("|       3.实发工资从高到低排序           |\n");
    printf("|       4.修改职工工资信息               |\n");
    printf("|       5.查询职工工资信息               |\n");
    printf("|       6.职工工资统计分析               |\n");
    printf("|       0.退出系统                       |\n");
    printf(" ————————————————————\n");
    printf("提示:请输入数字序号选择对应的操作!\n");
    scanf("%d",&a);
    *n=a;
    system("cls");
}


void Payroll(WORKERS work[],int *p)               //建立工资表 
{
    int num=*p;
    char ch;
    do{
        system("cls");
        printf("员工(%d)的信息\n",num+1);
        printf("工号:");
        scanf("%d",&work[num].workersID);
        printf("姓名:");
        scanf("%s",&work[num].name);
        printf("基本工资:");
        scanf("%lf",&work[num].basicsalary);
        printf("津贴:");
        scanf("%lf",&work[num].allowance);
        printf("是否继续录入?Y or N\n"); 
        fflush(stdin);
        scanf("%c",&ch);
        num++;
    }while(ch=='Y');
    
    *p=num;      //返回总人数 
    system("cls");
}


void Taxsalary(WORKERS work[],int num)            //职工扣税和实发工资
{
    
    int i;
    double money;
    for(i=0;i<num;i++)
    {
        money=work[i].basicsalary+work[i].allowance;
        if( money<3000)
        {
              work[i].taxsalary=0;
             work[i].truesalary= money-work[i].taxsalary;
           }
        else if((money<4000)&&(money>=3000))
        {
            work[i].taxsalary=(money-3000)*0.05;
            work[i].truesalary= money-work[i].taxsalary; 
        }
        else
        { 
            work[i].taxsalary=(money-3000)*0.05+(money-4000)*0.1;
            work[i].truesalary= money-work[i].taxsalary; 
        } 
    }
}


void Sort(WORKERS work[],int num)                 //将工资从高到低排序
{
    int i,j;
    WORKERS temp;
    for (i=0;i<num-1;i++)
    {
        for(j=i+1;j<num;j++)    
        {
            if (work[i].truesalary<work[j].truesalary)
            {
                temp=work[j];
                work[j]=work[i];
                work[i]=temp;
            } 
        }    
    }
} 


void Change(WORKERS work[],int num)               //修改职工的工资信息
{
    int n,sum;
    char ch;
    printf("修改职工的工资信息\n\n");
    printf("请输入你的工号:");
    scanf("%d",&n);
    putchar('\n');
    for(int i=0;i<num;i++){
        if(work[i].workersID==n){
            printf("工号:%-10d\n",work[i].workersID);
            printf("姓名:%s\n",work[i].name); 
            printf("基本工资:%6.2lf\n",work[i].basicsalary); 
            printf("津贴:%6.2lf\n",work[i].allowance); 
            printf("扣税:%6.2lf\n",work[i].taxsalary); 
            printf("实发工资:%6.2lf\n",work[i].truesalary); 
            printf("\n是否需要修改信息?Y or N\n");
            fflush(stdin);
            scanf("%c",&ch);
            if(ch=='Y'){
                printf("\n基本工资:");
                scanf("%lf",&work[i].basicsalary);
                printf("津贴:");
                scanf("%lf",&work[i].allowance);
                sum=work[i].basicsalary+work[i].allowance;
                if(sum<=3000){  
                    work[i].taxsalary=0;
                    work[i].truesalary=sum;
                }
                else if((sum<=4000)&&(sum>3000)){
                    work[i].taxsalary=(sum-3000)*0.05;
                    work[i].truesalary=3000+((sum-3000)*0.95);
                }
                   else{
                    work[i].taxsalary=50+(sum-4000)*0.10;
                    work[i].truesalary=3950+((sum-4000)*0.9);
                }
                system("cls");
                
                printf("员工信息修改成功!\n\n");
                printf("扣税:%6.2lf\n",work[i].taxsalary); 
                printf("实发工资:%6.2lf\n",work[i].truesalary); 
                
                break;    
            }
            else{
                break;
            }    
        }
    }
} 


int Find(WORKERS work[],int num)                  //按工号查询职工工资信息
{
    int s,i,flag=0;
    printf("查询职工工资信息\n\n");
    printf("请输入您的工号:");
    scanf("%d",&s);
    putchar('\n');
    for(i=0;i<num;i++)
    {
        if(work[i].workersID==s)                 //查询输入的工号并调用信息; 
        {
            flag=1; 
            printf("工号:%d\n",work[i].workersID);
            printf("姓名:%s\n",work[i].name); 
            printf("基本工资:%.2lf\n",work[i].basicsalary); 
            printf("津贴:%.2lf\n",work[i].allowance); 
            printf("扣税:%.2lf\n",work[i].taxsalary); 
            printf("实发工资:%.2lf\n",work[i].truesalary); 
            break;
        }
    }
    return flag;
}


void Analyse(WORKERS work[],int num)              //职工工资统计分析
{
    int i,s=0,m=0,l=0;      //s表示工资小于3000的人数;m表示工资在3000到4000的人数;l表示工资大于4000的人数。 
    double x,y,z;
    for(i=0;i<num;i++)
    {
        if(work[i].truesalary<3000)    
        {
            s++;
        }    
        else if((work[i].truesalary<=4000)&&(work[i].truesalary>=3000))
        {
            m++;
        }        
        else
        {
            l++;
        }
    }
    x=(double)s/num*100;
    y=(double)m/num*100;
    z=(double)l/num*100;
    printf("实发工资\n");
    printf("(3000元以下)        人数:%d\t比例:%.2lf%%\n",s,x);              
    printf("(3000以上4000以下)  人数:%d\t比例:%.2lf%%\n",m,y);     
    printf("(4000以上)          人数:%d\t比例:%.2lf%%\n",l,z);     
    
}


void Printworkroll(WORKERS work[],int num)        //显示工资明细表
{
    printf("工号\t姓名\t基本工资\t津贴\t扣税\t实发工资\n");
    for(int i=0;i<num;i++){
        printf("%d\t",work[i].workersID);
        printf("%s\t",work[i].name); 
        printf("   %.2lf\t",work[i].basicsalary); 
        printf("%.2lf\t",work[i].allowance); 
        printf("%.2lf\t",work[i].taxsalary); 
        printf("%.2lf\n",work[i].truesalary); 
    }
}


void Writefile(WORKERS work[],int num)            //输出数据并写入 data.txt 文件
{ 
    WORKERS temp;
    for(int i=0;i<num-1;i++)
    {
        for(int j=i+1;j<num;j++)
        {
            if(work[i].workersID>work[j].workersID)
            {
                temp=work[i];
                work[i]=work[j];
                work[j]=temp;
            }
        }
    }
    
    FILE *fp;
    if((fp=fopen("data.txt","w"))==0){
        printf("错误!\n");
        exit(0);
    }
    fprintf(fp,"职工工资管理系统\n成功录入%d人\n详表如下:\n\n",num);
    fprintf(fp,"工号\t姓名\t基本工资\t津贴\t扣税\t实发工资\n");
    for(int i=0;i<num;i++){
        fprintf(fp,"%-10d\t",work[i].workersID);
        fprintf(fp,"%s\t",work[i].name); 
        fprintf(fp,"%.2lf\t",work[i].basicsalary); 
        fprintf(fp,"%.2lf\t",work[i].allowance); 
        fprintf(fp,"%.2lf\t",work[i].taxsalary); 
        fprintf(fp,"%.2lf\n",work[i].truesalary); 
    }
    fclose(fp);
}

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