销售管理系统源文件

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1、#defineN30#defineperson-namename1#defineobject-namename2#include#includestructproduction/*定义产品信息结构体*/{intnumber;/*产品编号*/charname1[20];/*销售人名称*/charname2[20];/*产品名称*/intinprice;/*进价*/intoutprice;/*售价*/intquantity;/*产品数量*/}production[N];/*结构体数组*/voidwelcome();/*主菜单*/voidinput();

2、/*输入函数*/voidinput1(inti);/*辅助输入函数*/save();/*保存数据*/voidoutput();/*读出已保存数据*/intinsert();/*插入数据*/delete();/*删除数据*/voidchange();/*修改数据*/voiddisplay();/*显示数据*/voidsearch_number();/*按号码搜索*/voidsearch_name1();/*按姓名搜索*/voidprofit();/*计算收益*/voidsort();/*利润排序*/voidwelcome()/*欢迎界面*/{intc;printf("^^^^^^^^^^

3、^^^^");printf("--------------------welcome--------------------");printf("#**#");printf("#*saleofproductionmanagementsystem*#");/*销售管理系统*/printf("#**#");printf("---------=====!whatdoyouwanttodo!=====---------");printf("");printf("**~~1input~~**");/*输入新数据*/printf("**~~2insert~~**

4、");/*插入一组新数据*/printf("**~~3delete~~**");/*删除数据*/printf("**~~4change~~**");/*修改数据*/printf("**~~5display~~**");/*列出所有数据*/printf("**~~6search_number~~**");/*按产品编号查找数据*/printf("**~~7search_name1~~**");/*按人员名称查找数据*/printf("**~~8profit~~**");/*统计各产品的收益及总收益*/printf("**~~9sort~~**");/*按产品销

5、售额从小到大排序并输出排序后的结果*/printf("**~~10exit~~**");/*退出*/printf("");printf("--------<~><~><~><~><~><~><~><~><~><~><~><~>--------");printf("");printf("pleaseinputyouchoice(Anumberbetween1and10):");}voidinput1(inti)/*输入单组数据*/{printf("Pleaseinputthedata:");/*输入数据*/printf("pleaseinputthenumber:

6、");/*输入产品编号*/scanf("%d",&production[i].number);printf("pleaseinputthename1:");/*输入人员名称*/scanf("%s",&production[i].name1);printf("pleaseinputthename2:");/*输入产品名称*/scanf("%s",&production[i].name2);printf("pleaseinputtheinprice:");/*输入产品进价*/scanf("%d",&production[i].inprice);printf("pleasei

7、nputtheoutprice:");/*输入产品售价*/scanf("%d",&production[i].outprice);printf("pleaseinputthequantity:");/*输入产品数量*/scanf("%d",&production[i].quantity);save();}save()/*保存数据到文件*/{FILE*fp;inti,m=0;fp=fopen("production","w");/*打开要