first commit

Untitled1.cpp

@@ -1,13 +1,18 @@
 #include "stdio.h"
+#include "stdlib.h"
+#define FILENAME "worker.bin"
 #define N 20
+/*******************************************************       
+定义
+*******************************************************/
 struct worker
 {
 int number;       /*¹¤ºÅ*/
 int counts;       /*ÊýÁ¿*/
-int grade;        /*µÈ¼¶*/
+int grade;        /*排名*/
 };
 /*******************************************************       
-¶¨Òå
+显示菜单
 *******************************************************/
 void xinxi()
 {
@@ -24,15 +29,95 @@ printf("+                 4.
 printf("+                                                         +\n");
 printf("+                 5. ½áÊø³ÌÐò                             +\n");
 printf("+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n");
-} 
-
+}
+/*******************************************************       
+信息显示到屏幕
+*******************************************************/
+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;
+}
+/*******************************************************       
+功能:输入职工基本信息  
+*******************************************************/
+int f(struct worker w[],int length)
+{
+int i=length;
+while(i<N){
+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",&w[i].number);
+if(w[i].number==0)
+break;
+printf("\n");
+printf("\n");
+printf("请你输入数量:\n");/*输入数量*/
+scanf("%d",&w[i].counts);
+printf("\n"); 
+i++;
+}
+return i;
+}
+/*******************************************************   
+功能:工作量输入并累加 
+*******************************************************/
+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;i++)
+if(w[i].number==number)
+{
+w[i].counts+=counts;
+break;
+}
+if(i>=length) 
+printf("工号不存在:\n");
+printf("请输入工号:");
+scanf("%d",&number);printf("工号不存在:\n");
+printf("请输入工号:");
+scanf("%d",&number);  
+}
+}
 int main (){   
-int choice;
 
+int choice;
+struct worker w[N];
+int NUM;
+char stuName[100];
+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;
+}
 }while(1);
-
 }