gupiao.rar_股票

#include<stdio.h> struct gupiao /*股票的结构声明*/ { int num; char name[15]; char zhangdie; float xianjia; float zuigao; float zuidi; float jinkai; float zuoshou; float bianhua; float baifenbi; }; /*定义6个股票的信息：*/ #define GUP_NUMBER 6 /*宏定义股票数为6*/ struct gupiao Gup[GUP_NUMBER]={{601766,"zgnc", 'Z', 6.38,6.38,6.38,6.38,5.80,0,0}, {601288,"nyyh", 'Z', 3.71,3.77,3.50,3.55,3.54,0,0}, {600601,"fzkj", 'D', 4.68,4.70,4.61,4.69,4.72,0,0}, {601588,"bcsy", 'Z', 4.79,4.79,4.30,4.34,4.35,0,0}, {600321,"gdjs", 'D', 3.83,3.88,3.73,3.84,3.88,0,0}, {601618,"zgzy", 'Z', 5.05,5.15,4.96,5.07,5.02,0,0} }; int SelectMainMenu(); /*显示并选择主菜单。返回：被选择的菜单项*/ /*所有的函数声明：*/ void Show(); /*股票查询模块*/ void Modify(); /*股票修改模块*/ void Stat(); /*股票统计模块*/ void StatAve(float *Avexianjia,float *Avezuigao,float *Avezuidi,float *Avejinkai,float *Avezuoshou);/*统计平均数值*/ int Findgupiao(int num); /*根据代码查找某一股票*/ void SetAllTotle(); /*计算所有股票*/ void SetTotle(int No); /*计算第No个股票涨跌变化*/ void ShowAllgupiao(); /*显示所有股票*/ void ShowTitle(); /*显示表头信息*/ void Showgupiao(int No); /*显示第No个的股票信息*/ void Buggupiao(); /*购买股票*/ int main() { int isend=0,password=0;/*程序结束标志量，0表示不结束，1表示结束*/ SetAllTotle();/*计算所有学生总分*/ while(password!=667788) {printf("请输入密码:\n"); scanf("%d",&password); } while(1) { switch(SelectMainMenu())/*显示并选择主菜单*/ { case 1:/*股票查询*/ Show();/*调用股票查询函数*/ break; case 2:/*股票修改*/ Modify();/*调用股票修改函数*/ break; case 3:/*股票统计*/ Stat();/*调用股票统计函数*/ break; case 4:/*股票购买*/ Buggupiao(); break; case 5:/*退出系统*/ printf("\n谢谢您的使用,再见！\n\n"); isend=1;/*设置程序结束标志*/ break; } if(isend)break;/*程序结束*/ } } int SelectMainMenu()/*显示并选择主菜单。返回：被选择的菜单项*/ { int menu_no=0; do/*显示并选择菜单*/ { printf("=================================\n"); printf(" <股票管理系统>\n"); printf(" 作者:洪增辉\n"); printf("=================================\n"); printf(" 主菜单:\n"); printf(" 1 - 股票查询\n"); printf(" 2 - 股票修改\n"); printf(" 3 - 股票统计\n"); printf(" 4 - 购买股票\n"); printf(" 5 - 退出系统\n"); printf(" 请选择(1-5):"); scanf("%d",&menu_no); }while(menu_no<1 && menu_no>5);/*直到选择出正确的序号*/ return menu_no; } void Show() /*股票查询模块*/ { int n,i; while(1) { printf("\n====股票查询====\n"); printf("请输入代码(输入 0 退出股票,输入 1 查询全部):"); scanf("%d",&n); if(n==0)break;/*退出股票查询模块*/ if(n==1)ShowAllgupiao();/*显示所有股票*/ else if((i=Findgupiao(n))>=0)/*找到代码为n的股票*/ { ShowTitle();/*显示表头信息*/ Showgupiao(i);/*显示该股票信息*/ } else printf("----找不到代码----\n"); } } void Modify()/*股票修改模块*/ { int n,i,a; while(1) { printf("\n====股票修改====\n"); printf("请输入代码(输入 0 退出股票修改):"); scanf("%d",&n); if(n==0)break;/*退出股票修改模块*/ if((i=Findgupiao(n))>=0)/*找到代码为n的股票*/ { ShowTitle();/*显示表头信息*/ Showgupiao(i);/*显示该股票信息*/ printf("请输入要修改的价格:\n"); printf("1 现价\n"); printf("2 最高价格\n"); printf("3 最低价格\n"); printf("4 今开价格\n"); printf("5 昨收价格\n"); scanf("%d",&a); switch(a) {case 1:printf("请输入现价:\n"); scanf("%f",&Gup[i].xianjia);break; case 2:printf("请输入最高价格:\n"); scanf("%f",&Gup[i].zuigao);break; case 3:printf("请输入最低价格:\n"); scanf("%f",&Gup[i].zuidi);break; case 4:printf("请输入今开价格:\n"); scanf("%f",&Gup[i].jinkai);break; case 5:printf("请输入昨收价格:\n"); scanf("%f",&Gup[i].zuoshou);break; default:printf("输入错误"); } SetTotle(i);/*计算该股票总分*/ printf("----修改成功----\n"); } else printf("----找不到代码----\n"); } } void Stat()/*股票统计模块*/ { float Avexianjia, Avezuigao, Avezuidi, Avejinkai,Avezuoshou; StatAve(&Avexianjia,&Avezuigao,&Avezuidi,&Avejinkai,&Avezuoshou);/*统计各个参数平均数*/ printf("\n====股票统计====\n"); printf("股票数目:%d\n",GUP_NUMBER); printf("现价:%6.2f\n",Avexianjia); printf("最高:%6.2f\n",Avezuigao); printf("最低:%6.2f\n",Avezuidi); printf("今开:%6.2f\n",Avejinkai); printf("昨收:%6.2f\n",Avezuoshou); } /*统计各个参数平均数，用指针参数返回*/ void StatAve(float *Avexianjia,float *Avezuigao,float *Avezuidi,float *Avejinkai,float *Avezuoshou) { int i; float sumxianjia=0,sumzuigao=0,sumzuidi=0,sumjinkai=0,sumzuoshou=0; for(i=0;i<GUP_NUMBER;i++) { sumxianjia+=Gup[i].xianjia; sumzuigao+=Gup[i].zuigao; sumzuidi+=Gup[i].zuidi; sumjinkai+=Gup[i].jinkai; sumzuoshou+=Gup[i].zuoshou; } *Avexianjia=sumxianjia/GUP_NUMBER; *Avezuigao=sumzuigao/GUP_NUMBER; *Avezuidi=sumzuidi/GUP_NUMBER; *Avejinkai=sumjinkai/GUP_NUMBER; *Avezuoshou=sumzuoshou/GUP_NUMBER; } /*根据代码查找某一股票。返回：-1没找到，>=0该股票所在数组的下标*/ int Findgupiao(int num) { int i; for(i=0;i<GUP_NUMBER;i++) if(Gup[i].num==num)break; if(i<GUP_NUMBER)return i;/*找到*/ else return -1;/*没找到*/ } void SetAllTotle()/*计算所有股票*/ { int i; for(i=0;i<GUP_NUMBER;i++) SetTotle(i); } void SetTotle(int No)/*计算第No个股票*/ { Gup[No].bianhua=Gup[No].xianjia-Gup[No].zuoshou; Gup[No].baifenbi=(Gup[No].bianhua/Gup[No].zuoshou)*100; } void ShowAllgupiao()/*显示所有股票*/ { int i; ShowTitle(); for(i=0;i<GUP_NUMBER;i++) Showgupiao(i); } void ShowTitle()/*显示表头信息*/ { printf("\n%12s%12g%12g%10g%10g%10g%10g%10g\n","dai ma","name","zhang die", "xianjia","zuigao","zuidi","jinkai","zuoshou","bian hua","bianfenbi"); } void Showgupiao(int No)/*显示第No个的股票信息*/ { printf("%12d%6s%6c%6g%6g%6g%6g%6g%10.2g%10g\n", Gup[No].num,Gup[No].name,Gup[No].zhangdie,Gup[No].xianjia, Gup[No].zuigao,Gup[No].zuidi,Gup[No].jinkai,Gup[No].zuoshou,Gup[No].bianhua,Gup[No].baifenbi); } void Buggupiao() /*股票购买模块*/ { int n,i,m,s,p,sm; while(1) { printf("\n====股票购买====\n"); printf("请输入代码(输入 0 退出股票)和拥有金钱:"); scanf("%d%d",&n,&m); if(n==0)break;/*退出股票购买模块*/ else if((i=Findgupiao(n))>=0)/*找到代码为n的股票*/ { s=(m/Gup[i].xianjia)/100; p=s*100; sm=m-Gup[i].xianjia*p; printf("可购买数量%d剩余金钱%d",p,sm); } else printf("----找不到代码----\n"); } }