商店商品管理系统

#include /*引用库函数*/ #include #include

typedef struct /*定义结构体*/ {

int id; /*编号*/ char name[10]; /*名称*/ int num; /*数量*/ float price; /*价格*/ }good; /*结构体名称*/ typedef struct { int id; char name[10]; int num; float price; float total; char date[10]; }list;

typedef struct { int id; char name[10]; int num; float price; float total; char date[10]; }total;

total alllist[500]; /*声明结构体数组变量*/ list salelist[500];

good information[500];

l=0; /*定义全局变量*/

void main() /*主函数*/ { void Buy(good information[],int n); /*函数声明*/ void List(list salelist[],int m);

void Display(good information[],int n); void Sort_by_id(good information[],int n); void Savetofile(good information[],int n); void Tongji(total alllist[],int l); void Welcome();

int Sell(good information[],int n);

int Add_a_record(good information[],int n); int Delete_a_record(good information[],int n); int Addfromfile(good information[],int n); int Password(int v); int menu_select();

int n=0,v=1; /*定义变量并赋初值*/ Welcome(); /*函数调用*/ Password(v); for(;;) {

switch(menu_select()) /*选择判断*/ { case 1: printf(\"\\输入编号,销售商品\\n\"); l=Sell(information,n); /*销售商品*/ break; case 2: printf(\"\\输入编号,进购商品\\n\"); Buy(information,n); /*进购商品*/ printf(\"\\\"); system(\"pause\"); break; case 3: printf(\"\\请输入商品信息:\\n\"); n=Add_a_record(information,n); /*增加一种商品*/ Sort_by_id(information,n); /*按商品编号排序*/ printf(\"\\\"); system(\"pause\"); break; case 4: printf(\"\\按名称查找,删除一种商品\\n\"); n=Delete_a_record(information,n); /*按名称查找,删除一种商品*/ Sort_by_id(information,n); /*按商品编号排序*/ printf(\"\\\"); system(\"pause\"); break; case 5: Tongji(alllist,l); /*某日销售统计*/

printf(\"\\"); system(\"pause\"); break; case 6:

Display(information,n); /*显示库存记录*/ break; case 7: system(\"cls\"); Savetofile(information,n); /*保存商品信息*/ break; case 8: system(\"cls\"); n=Addfromfile(information,n); /*添加商品信息*/ break; case 0: printf(\"\\n\");

printf(\"\\\\谢谢使用,再见!\\n\");

printf(\"\\n\"); printf(\"\\\ \"); system(\"pause\"); printf(\"\\n\\\\"); exit(0); /*结束程序*/ } } }

void Welcome() /*欢迎界面*/ { system(\"cls\"); printf(\"\\n\"); printf(\"\\n\"); printf(\"\\n\"); printf(\"\\n\"); printf(\"\\n\"); printf(\"\\┌───────────────────────┐\\n\"); printf(\"\\│\\商店销售管理系统\\│\\n\"); printf(\"\\└───────────────────────┘\\n\"); printf(\"\\\\\\Design by:shi jie\\n\"); printf(\"\\n\"); printf(\"\\n\"); printf(\"\\n\"); printf(\"\\n\");

}

printf(\"\\n\");

int Password(int v) /*密码函数*/ { int w;

printf(\"\\请输入密码:\"); scanf(\"%d\

if(v>2) /*判断输入次数*/ { printf(\"\\n\");

printf(\"\\输入错误次数过多,即将自动退出系统!\\n\"); printf(\"\\\"); system(\"pause\"); printf(\"\\\");

exit(0); /*结束程序*/ }

if(w!=3090432002) { v++; /*计算输入次数*/ printf(\"\\密码错误,请重输!\\n\"); Password(v); /*函数的递归调用*/ return(v); } else { system(\"cls\"); /*运行前清屏*/ printf(\"\\n\"); printf(\"\\n\"); printf(\"\\\ 恭喜您,密码正确!\"); printf(\"\\n\"); printf(\"\\n\"); printf(\"\\\\"); system(\"pause\"); system(\"cls\"); /*运行前清屏*/ printf(\"\\n\"); printf(\"\\n\"); printf(\"\\n\"); printf(\"\\\欢迎进入商店销售管理系统!\\n\"); printf(\"\\n\"); printf(\"\\n\"); printf(\"\\\\");

system(\"pause\"); }

return(v);

}

int menu_select() /*菜单函数*/ { char c; do {

system(\"cls\"); /*运行前清屏*/ printf(\"\\ ╔══════商店销售管理系统══════╗\\n\"); 单选择*/ printf(\"\\ ║ ║\\n\"); printf(\"\\ ║ 1. 售货 ║\\n\"); printf(\"\\ ║ 2. 进货 ║\\n\"); printf(\"\\ ║ 3. 添加商品 ║\\n\"); printf(\"\\ ║ 4. 删除商品 ║\\n\"); printf(\"\\ ║ 5. 某日销售统计 ║\\n\"); printf(\"\\ ║ 6. 查询库存记录 ║\\n\"); printf(\"\\ ║ 7. 保存当前数据 ║\\n\"); printf(\"\\ ║ 8. 录入已有数据 ║\\n\"); printf(\"\\ ║ 0. 退出程序 ║\\n\"); printf(\"\\ ║ ║\\n\"); printf(\"\\ ╚════════════════════╝\\n\"); printf(\"\\\请选择您要运行的选项按(0-8):\"); c=getchar(); /*读入选择*/ } while(c<'0'||c>'8'); return(c-'0'); /*返回选择*/ }

int Sell(good information[],int n) /*销售函数*/ { int m=0,e=0,u; char sign,d[10],x[10]; printf(\"\\输入日期(****.**.**):\"); scanf(\"%s\ while(sign!='n'&&sign!='N')

/*菜

{

int i=0,j,k;

printf(\"\\请输入商品编号:\"); scanf(\"%d\

while(information[i].id!=k&&iprintf(\"\\库存数量:%d\\n\

if(information[i].num==0) /*判断库存数量是否为零*/ { printf(\"\\该商品库存为零,请选择其他商品!\\n\"); continue; /*跳出本次循环*/ } else {

printf(\"\\请输入销售数量(不得大于%d!):\do { scanf(\"%d\

if(information[i].numprintf(\"\\对不起,库存不足!请重输:\"); continue; /*跳出本次循环*/ } else u=0; /*改变u得值,跳出循环*/ }

while(u==1);

information[i].num-=j; /*数量减少*/

salelist[m].id=information[i].id; /*交换信息*/ strcpy(salelist[m].name,information[i].name); salelist[m].num=j;

salelist[m].price=information[i].price; salelist[m].total=salelist[m].price*j; strcpy(salelist[m].date,d); alllist[l+m].id=salelist[m].id;

strcpy(alllist[l+m].name,salelist[m].name); alllist[l+m].num=salelist[m].num;

}

}

}

alllist[l+m].price=salelist[m].price; alllist[l+m].total=salelist[m].total;

strcpy(alllist[l+m].date,salelist[m].date); m++; gets(x);

printf(\"\\销售成功!是否继续输入?(Y/N)\"); scanf(\"\\%c\

l+=m; /*计算销售信息条数*/

List(salelist,m); /*调用单次销售清单函数*/ return(l);

void List(list salelist[],int m) /*单次销售清单函数*/ { int i; float sum=0; /*总价计算*/ system(\"cls\"); printf(\"\销售清单:\\n\"); printf(\"\┌─────┬─────┬─────┬─────┬─────┐\\n\"); printf(\"\│ 编号 │ 名称 │ 数量 │ 单价 │ 总价 │\\n\"); printf(\"\└─────┴─────┴─────┴─────┴─────┘\\n\"); printf(\"\--------------------------------------------------------------\\n\"); for(i=1;iprintf(\"\\\\\\谢谢惠顾,欢迎再次光临!\\n\"); printf(\"\\n\"); printf(\"\\");

system(\"pause\"); return;

void Buy(good information[],int n) /*进购函数*/ { int i=0,j,k; printf(\"\\请输入商品编号:\"); scanf(\"%d\ while(information[i].id!=k&&iprintf(\"\\对不起,仓库没有该种商品,请先添加!\\n\"); return; }

printf(\"\\请输入进货数量:\"); scanf(\"%d\

information[i].num+=j;

printf(\"\\进货成功!\\n\"); }

int Add_a_record(good information[],int n) /*添加一种商品*/ { char x[100]; /*清除多余输入所用*/ printf(\"\\编号:\"); /*输入商品信息*/ scanf(\"\\%d\

printf(\"\\名称:\");

scanf(\"\\%s\printf(\"\\数量:\");

scanf(\"\\%d\printf(\"\\价格:\");

scanf(\"\\%f\gets(x); n++;

printf(\"\\添加商品成功!\\n\"); return(n); /*返回成功信息*/ }

int Delete_a_record(good information[],int n) /*输入商品名称,删除该商品*/ { char s[20]; int i=0,j; printf(\"\\输入商品名称:\"); scanf(\"%s\

while(strcmp(information[i].name,s)!=0&&ifor(j=i;jprintf(\"\\删除商品成功!\\n\"); return(n-1); /*返回成功信息*/ }

void Sort_by_id(good information[],int n) /*按商品编号排序函数*/ { int i,j,p; float q; char t[20]; for(i=0;iif(information[j].id>information[j+1].id) { p=information[j+1].id; information[j+1].id=information[j].id; information[j].id=p; strcpy(t,information[j+1].name); strcpy(information[j+1].name,information[j].name); strcpy(information[j].name,t); p=information[j+1].num; information[j+1].num=information[j].num; information[j].num=p; q=information[j+1].price; information[j+1].price=information[j].price; information[j].price=q; } }

void Tongji(total alllist[],int l) /*某日销售统计函数*/ { int i,j=0; float sum=0; char d[10]; system(\"cls\"); printf(\"\请输入日期(****.**.**):\"); scanf(\"%s\

while(strcmp(alllist[j].date,d)!=0&&jprintf(\"\对不起,该日期没有销售记录!\\n\"); return; /*返回失败信息*/ }

printf(\"已找到相关记录,\"); system(\"pause\"); system(\"cls\");

printf(\"\以下是%10s销售统计:\\n\

printf(\"\┌─────┬─────┬─────┬─────┬─────┐\\n\"); printf(\"\│ 编号 │ 名称 │ 数量 │ 单价 │ 总价 │\\n\"); printf(\"\└─────┴─────┴─────┴─────┴─────┘\\n\"); printf(\"\--------------------------------------------------------------\\n\"); for(i=1;iif(strcmp(alllist[i].date,d)==0) /*判断输出条件*/ { printf(\"\ %-12d%-12s%-12d%-12.2f%-12.2f\\n\ alllist[i-1].num,alllist[i-1].price,alllist[i-1].total); sum+=alllist[i-1].total; } else

continue; /*跳出当此循环*/ }

printf(\"\--------------------------------------------------------------\\n\");

printf(\"\合计:%-8.2f\\\\\日期:%-10s\\n\ printf(\"\\n\"); return; }

void Display(good information[],int n) /*显示库存函数*/

{

int i;

system(\"cls\");

printf(\"\ 库存记录:\\n\");

printf(\"\ ┌──────┬──────┬──────┬──────┐\\n\"); printf(\"\ │ 编号 │ 名称 │ 数量 │ 价格 │\\n\"); printf(\"\ └──────┴──────┴──────┴──────┘\\n\"); printf(\"\ ----------------------------------------------------------\\n\");

for(i=1;iif(i>1&&i%10==0) /*每十个暂停*/ {

printf(\"\ ----------------------------------------------------------\\n\"); /*格式*/ printf(\"\ \"); system(\"pause\"); printf(\"\ ----------------------------------------------------------\\n\"); } }

printf(\"\ ----------------------------------------------------------\\n\"); printf(\"\ \"); system(\"pause\");

void Savetofile(good information[],int n) /*将记录写入文件函数*/ { int i=0;

FILE *fp; /*定义文件指针*/ char filename[50]; /*定义文件名*/ printf(\"输入文件名:\");

scanf(\"%s\ /*输入文件名*/

if((fp=fopen(filename,\"w+\"))==NULL) /*打开文件*/ { printf(\"无法打开该文件!\\n\"); system(\"pause\"); return; } while(i}

i++; }

fclose(fp); /*关闭文件*/

printf(\"保存成功!\\n\"); /*返回成功信息*/ system(\"pause\");

int Addfromfile(good information[],int n) /*从文件中读入数据函数*/ { int i=0; }

FILE *fp; /*定义文件指针*/

char filename[50]; /*定义文件名*/ printf(\"输入文件名:\");

scanf(\"%s\ /*输入文件名*/

if((fp=fopen(filename,\"r\"))==NULL) /*打开文件*/ { printf(\"无法打开该文件\\n\"); /*打开失败信息*/ system(\"pause\"); }

while(!feof(fp)) /*循环读入数据*/ { fscanf(fp,\"%10d%10s%10d%10f\\n\ &information[i].num,&information[i].price); i++; } n=i;

fclose(fp); /*关闭文件*/ printf(\"录入成功!\\n\");

printf(\"已录入%d条记录!\\n\system(\"pause\");

return(n); /*返回成功信息*/