职工工作量统计系统源程序.doc

#include stdio.h#include string.h#include stdlib.h#define FILENAME worker.bin#define N 20struct worker int number; /*工号*/ int counts; /*数量*/ int grade; /*等级*/;/* 定义 */ void xinxi() printf(n+n); printf(+ 职工工作量统计系统 +n);printf(+ +n); printf(+ 1. 职工基本信息输入 +n); printf(+ +n);printf(+ 2. 工作量输入 +n); printf(+ +n);printf(+ 3. 按工作量排序 +n); printf(+ +n);printf(+ 4. 按职工工号进行信息删除 +n); printf(+ +n); printf(+ 5. 结束程序 +n);printf(+n); /* 显示菜单 */int readFromFile(struct worker w) FILE *fp=NULL;int i=0;fp=fopen(FILENAME,rb); /*打开文件*/if(fp!=NULL)while(!feof(fp) /*从文件中读入学生*/ if(i=N)break;if(fread(w+i,sizeof(worker),1,fp)=1)i+;fclose(fp); return i;/* 信息显示到屏幕 */ int f(struct worker w,int length) int i=length; while(iN) printf(第%d个职工n,i); printf(n); printf(请你输入工号(以职工号为0结束):n);/*输入工号*/ scanf(%d,&wi.number); if(wi.number=0) break; printf(n); printf(n); printf(请你输入数量:n);/*输入数量*/ scanf(%d,&wi.counts); printf(n); i+; return i; /* 功能:输入职工基本信息 */ void input(struct worker w,int length) int i=1; int number,counts; printf(请输入工号:); scanf(%d,&number); while(number!=0) printf(请输入完成数量:n);scanf(%d,&counts); for(i=0;i=length) printf(工号不存在:n);printf(请输入工号:);scanf(%d,&number); /* 功能:工作量输入并累加 */void sortCounts(struct worker w,int length)int i=0,j=0,k=0;struct worker s;for(i=0;ilength;i+) k=i;for(j=i+1;jwk.counts)k=j; /* 交换 wi and wk */ s = wk; wk =wi; wi = s; if(length0)w0.grade =1;for(i=1;i0) while(ilength) count=0; grade=wi.grade; printf(名次:%d , grade); printf( 工作量:%d ,wi.counts); printf(%s,工号:); while(ilength) if(grade=wi.grade) printf(%d ,wi.number); count+; elsebreak; i+; printf(人数:%dn,count);elseprintf(职工数据不存在!n);/ /* 输出名次、同一名次的职工人数及他们的工号，姓名*/int delet(struct worker w,int length,int stuNum)int i,j;char choice;for(i=0;ilength;i+)if(stuNum=wi.number) printf(%s,欲删除职工号为：); printf(%dn,wi.number);break; if(ilength) printf(你确实要删除这个职工吗?(Y/N);scanf(%c,&choice);if(choice=Y|choice=y)for(j=i;jlength;j+)wj=wj+1;length-; printf(删除成功!n); else printf(n指定的职工不存在!n);return length;/* 按职工号删除职工信息*/void writeToFile(struct worker w,int length)FILE *fp=NULL;int i=0;fp=fopen(FILENAME,wb);if(fp=NULL)printf(打开文件出错！n);exit(0);for(i=0;ilength;i+)fwrite(w+i,sizeof(worker),1,fp);fclose(fp);/* 结构体数组中的职工信息输出到文件*/void main () int choice; struct worker wN; int NUM;char stuName100; int stuNum; int length=0; length=readFromFile(w);/读入 do xinxi(); scanf(%d,&choice); switch(choice) case 1: length=f(w,length); break; case 2: input(w,length); break; case 3: sortCounts(w,length); sortNumber(w,length); break; case 4: printf(请输入欲删除的职工号); scanf(%d,&stuNum); length=