C语言银行系统课程设计
本文为大家分享了C语言银行系统课程设计,供大家参考,具体内容如下
main.c
#include#include #include #include #include #defineMaxNum200 #defineN_P6 typedefstruct { intAccountNumber[3]; charname[20]; charpassword[N_P+1]; unsignedlongamount; intstate; }Account; voidLoad(FILE*,Account*); voidShowMenu(int); intMakeChoice(int); voidEnterPassword(char*); voidCreatAccount(unsignedchar*,Account*,int);//第一个参数为加密关键字,第二个参数为账户序号 intJudgePassword(char*,char*); intdecrypt(int*,unsignedchar*); voidLogIn(unsignedchar*,Account*,int);//第二个参数为当前账户数目,登陆成功返回1,失败返回0 intEnterAccountNumber(unsignedchar*,int); voidEnterNum(char*,int); voidOperate(unsignedchar*,Account*,int,int); voidShowSubMenu(char*); voidAdministratorMode(unsignedchar*,unsignedchar*,Account*,char*,int); voidShowAdministratorMenu(); voidWriteToFile(FILE*,unsignedchar*,Account*,char*,int); intmain() { FILE*fp; inti,total; unsignedcharkey[4],key_en[4]; charadministrator_password[10]; Account*user; user=(Account*)malloc(sizeof(Account)*MaxNum); fp=fopen("bank.txt","r+"); if(fp==NULL) { printf("银行数据库无法打开,按任意键结束程序!\n"); getch(); exit(1); } fscanf(fp,"%d\n%s\n%s",&total,administrator_password,key); for(i=0;i<3;++i)//用key_en保存key的值 key_en[i]=key[i]; key_en[0]=(key_en[0]<<3)|(key_en[0]>>(sizeof(key_en[0])*8-3)); key_en[2]=(key_en[2]>>3)|(key_en[2]<<(sizeof(key_en[2])*8-3)); Load(fp,user);//将数据存入数组user中 while(1) { system("cls"); ShowMenu(total); switch(MakeChoice(4)) { case1: system("cls"); LogIn(key_en,user,total); break; case2: system("cls"); CreatAccount(key_en,user,total++); break; case3: system("cls"); AdministratorMode(key,key_en,user,administrator_password,total); break; default: system("cls"); WriteToFile(fp,key,user,administrator_password,total); return0; } } return0; }
function.c
#include#include #include #include #include #defineMaxNum200 #defineN_P6 //账户状态0为正常1为挂失2为冻结3为销户 typedefstruct { intAccountNumber[3]; charname[20]; charpassword[N_P]; unsignedlongamount; intstate; }Account; voidLoad(FILE*,Account*); voidShowMenu(int); intMakeChoice(int); voidEnterPassword(char*); voidCreatAccount(unsignedchar*,Account*,int);//第一个参数为加密关键字,第二个参数为账户序号 intJudgePassword(char*,char*); intdecrypt(int*,unsignedchar*); voidLogIn(unsignedchar*,Account*,int);//第二个参数为当前账户数目,登陆成功返回1,失败返回0 intEnterAccountNumber(unsignedchar*,int); voidEnterNum(char*,int); voidOperate(unsignedchar*,Account*,int,int); voidShowSubMenu(char*); voidAdministratorMode(unsignedchar*,unsignedchar*,Account*,char*,int); voidShowAdministratorMenu(); voidWriteToFile(FILE*,unsignedchar*,Account*,char*,int); voidLoad(FILE*fp,Account*user) { intcount=0; //将文件中的用户信息存到数组中 while(fscanf(fp,"\n%d%d%d%s%s%lu%d\n",&user[count].AccountNumber[0],&user[count].AccountNumber[1],\ &user[count].AccountNumber[2],user[count].name,\ user[count].password,&user[count].amount,&user[count].state)!=EOF) ++count; } voidShowMenu(inttotal) { printf("****中国银行烟大计163-1分行****\n"); printf("目前共有%d名注册用户*****\n",total); printf("1.登陆*************************\n"); printf("2.开户*************************\n"); printf("3.进入管理员模式***************\n"); printf("4.退出*************************\n"); } intMakeChoice(intn) { intjudge; printf("请输入1~%d\n",n); scanf("%d",&judge); while(judge<1||judge>n)//确保输入的是1~n { printf("输入不合法,请输入1~%d\n",n); fflush(stdin);//如果不加这句,输入一些字母会导致函数无限循环 scanf("%d",&judge); } returnjudge; } voidEnterPassword(char*password) { inti; chart; for(i=0;i '9') t=getch(); password[i]=t; putchar('*'); } } voidEnterNum(char*s,intn) { inti=0; chart; while(i '9') t=getch(); s[i]=t; putchar(t); ++i; } } intJudgePassword(char*temp_password,char*password) { inti; for(i=0;i =MaxNum) { printf("银行用户数量已达到上限!\n按任意键返回主界面"); getch(); return; } inti,flag,num_de[3]; intnum_en[3]; chartemp_password[N_P],password[N_P]; //将num的个位十位和百位分解,num_de[2]存个位,以此类推 for(i=0;i<3;++i) num_de[i]=0; for(i=0;i<3;++i) num_en[i]=0; if(num<10) num_de[2]=num; elseif(num<100) { num_de[2]=num%10; num_de[1]=num/10; } else { for(i=0;i<3;++i) { num_de[i]=num%10; num/=10; } } //分解完成 while(1) { flag=0; printf("请输入用户姓名:"); fflush(stdin); scanf("%19[^\n]",user[num].name); for(i=0;i total)//若num大于total则账号输入错误 printf("\n账号输入错误!\n"); else break; } returnnum; } voidLogIn(unsignedchar*key,Account*user,inttotal) { intnum,i; charpassword[N_P]; num=EnterAccountNumber(key,total); //判断账户状态 if(user[num].state==3) { printf("该账户已销户,无法使用!\n"); printf("按任意键返回操作界面"); getch(); return; } elseif(user[num].state==2) { printf("该账户因输入密码错误次数达三次,已冻结!\n请进入管理员模式解除异常状态!\n"); printf("按任意键返回操作界面"); getch(); return; } //判断结束 i=0; while(1)//输入密码 { printf("\n请输入密码:"); EnterPassword(password); if(JudgePassword(password,user[num].password)&&(++i<3)) printf("\n密码输入错误,您还有%d次机会\n",3-i); elseif(i>=3) { user[num].state=2; printf("\n密码错误次数过多,账户已冻结!\n"); printf("即将返回主界面"); for(i=0;i<3;++i) { printf("%d",i); Sleep(1000); printf("\b"); } return; } else { printf("登陆成功!\n"); break; } } Operate(key,user,num,total); } voidShowSubMenu(char*name) { printf("****欢迎%s登陆本行********\n",name); printf("1.存款*************************\n"); printf("2.取款*************************\n"); printf("3.查询*************************\n"); printf("4.转账*************************\n"); printf("5.挂失*************************\n"); printf("6.销户*************************\n"); printf("7.改密*************************\n"); printf("8.返回主菜单*******************\n"); } voidOperate(unsignedchar*key,Account*user,intnum,inttotal) { inti,num_t; unsignedlongamount_t,max=1; charpassword[N_P],temp_password[N_P],amount_judge[6]; for(i=0;i<(sizeof(unsignedlong)*8-1);++i)//计算最大存款额max max*=2; while(1) { system("cls"); ShowSubMenu(user[num].name); switch(MakeChoice(8)) { case1: system("cls"); while(1) { printf("请输入存款金额:"); for(i=0;i<6;++i) amount_judge[i]='\0'; EnterNum(amount_judge,5); amount_t=atol(amount_judge); if(amount_t>99999) printf("\n单次存款金额为0~99999元,存款失败!\n"); elseif(amount_t>=max-user[num].amount) printf("总金额超出上限,存款失败!\n"); else { user[num].amount+=amount_t; printf("\n存款成功!按任意键返回操作界面"); getch(); system("cls"); break; } } break; case2: system("cls"); if(user[num].state==1) { printf("该账户已挂失,无法执行取款操作!\n"); printf("按任意键返回操作界面"); getch(); break; } while(1) { printf("请输入取款金额:"); for(i=0;i<6;++i) amount_judge[i]='\0'; EnterNum(amount_judge,5); amount_t=atol(amount_judge); if(amount_t>99999) printf("\n单次存款金额为0~99999元,存款失败!\n"); elseif(amount_t>user[num].amount) printf("\n账户余额不足,取款失败!\n"); else { user[num].amount-=amount_t; printf("\n取款成功!按任意键返回操作界面"); getch(); system("cls"); break; } } break; case3: system("cls"); printf("用户姓名:%s",user[num].name); printf("账户余额:%lu\n",user[num].amount); printf("账户状态:"); if(user[num].state==1) printf("已挂失\n"); else printf("正常\n"); printf("按任意键返回操作界面"); getch(); system("cls"); break; case4: system("cls"); if(user[num].state==1) { printf("该账户已挂失,无法执行转账操作!\n"); printf("按任意键返回操作界面"); getch(); break; } num_t=EnterAccountNumber(key,total); while(1) { printf("请输入转账金额:"); for(i=0;i<6;++i) amount_judge[i]='\0'; EnterNum(amount_judge,5); amount_t=atol(amount_judge); if(amount_t>99999) printf("\n单次存款金额为0~99999元,存款失败!\n"); elseif(amount_t>user[num].amount) printf("账户金额不足,转账失败!\n"); elseif(amount_t>=max-user[num_t].amount) printf("\n对方总金额超出上限,转账失败!\n"); else { user[num].amount-=amount_t; user[num_t].amount+=amount_t; printf("\n转账成功!按任意键返回操作界面"); getch(); system("cls"); break; } } break; case5: system("cls"); printf("您确定要挂失吗?\n"); printf("1.确定2.取消\n"); if(MakeChoice(2)==1) { user[num].state=1; printf("挂失成功!\n按任意键返回主界面"); getch(); } system("cls"); break; case6: system("cls"); printf("您确定要销户吗?销户后所有功能都将无法实现,账户内的存款将冻结!\n"); printf("1.确定2.取消\n"); if(MakeChoice(2)==1) { user[num].state=3; printf("销户成功!\n按任意键返回主界面"); getch(); system("cls"); return; } else break; case7: system("cls"); while(1) { printf("\n请输入原密码:"); EnterPassword(password); if(JudgePassword(password,user[num].password)) printf("\n原密码输入错误!\n"); else break; } while(1) { printf("\n请输入新密码:"); EnterPassword(password); printf("\n请再次确认密码:"); EnterPassword(temp_password); if(JudgePassword(temp_password,password)) printf("\n两次输入不相等,密码设置失败!"); else { strcpy(user[num].password,password); break; } } printf("\n密码修改成功!\n按任意键返回操作界面"); getch(); system("cls"); break; default: return; } } } voidAdministratorMode(unsignedchar*key_orig,unsignedchar*key,Account*user,char*administrator_password,inttotal) { intnum; charpassword[N_P],temp_password[N_P]; while(1)//输入密码 { printf("请输入管理员密码密码:"); EnterPassword(password); if(JudgePassword(password,administrator_password)) printf("密码输入错误!\n"); else break; } printf("\n登陆成功!按任意键继续"); getch(); while(1) { system("cls"); ShowAdministratorMenu(); switch(MakeChoice(6)) { case1: system("cls"); num=EnterAccountNumber(key,total); printf("请设置密码:"); EnterPassword(password); printf("您设置的密码是:"); puts(user[num].password); printf("\n按任意键返回操作界面"); getch(); break; case2: system("cls"); num=EnterAccountNumber(key,total); printf("您确定要解除此用户的挂失状态吗?\n"); printf("1.确定2.取消\n"); if(MakeChoice(2)==1) { user[num].state=0; printf("解除挂失成功!\n按任意键返回主界面"); getch(); } break; case3: system("cls"); num=EnterAccountNumber(key,total); printf("\n您确定要解除此用户的冻结状态吗?\n"); printf("1.确定2.取消\n"); if(MakeChoice(2)==1) { user[num].state=0; printf("解除冻结成功!\n按任意键返回主界面"); getch(); } break; case4: system("cls"); while(1) { printf("请输入新密码:"); EnterPassword(password); printf("\n请再次确认密码:"); EnterPassword(temp_password); if(JudgePassword(temp_password,password)) printf("\n两次输入不相等,密码设置失败!\n"); else { strcpy(administrator_password,password); break; } } printf("\n管理员密码修改成功!\n按任意键返回操作界面"); getch(); break; case5: system("cls"); printf("当前的账号生成关键字为“%s”,更改之后所有之前创建的账户将无法打开!\n",key_orig); printf("您确定要更改账号生成关键字吗?\n"); printf("1.确定2.取消\n"); if(MakeChoice(2)==1) { printf("请输入新的关键字:"); scanf("%3s",key_orig); printf("当前的关键字已更改为“%s”\n按任意键返回操作界面",key_orig); getch(); } break; default: return; } } } voidShowAdministratorMenu() { printf("****中国银行烟大计163-1分行****\n"); printf("**********管理员模式***********\n"); printf("1.修改用户密码*****************\n"); printf("2.解除挂失*********************\n"); printf("3.解除冻结*********************\n"); printf("4.修改管理员密码***************\n"); printf("5.修改账号生成关键字***********\n"); printf("6.返回主界面*******************\n"); } voidWriteToFile(FILE*fp,unsignedchar*key,Account*user,char*administrator_password,inttotal) { inti,j; rewind(fp); fprintf(fp,"%d\n%6s\n%3s\n",total,administrator_password,key); for(i=0;i 以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持毛票票。
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