怎么用java寫銀行管理系統(tǒng)的銷戶功能只要銷戶就可以了

1.開戶2.銷戶3.存錢4.取錢5.查詢技術(shù)點(diǎn):TcpServer服務(wù)端TcpSocket客戶端多線程并發(fā)訪問數(shù)據(jù)庫存儲數(shù)據(jù)XML組織傳輸?shù)臄?shù)據(jù)

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怎么在java中的atm進(jìn)行開戶和銷戶

#include stdio.h

#include string.h

#include stdlib.h

#define LEN sizeof(struct Account)

#define RECORDCOUNT 5

#define MESSAGELENGTH 100

#define NAMELENGTH 100

#define VIEWCOUNT 5

#define DEFAULTBALANCE 0.00

#define SAVE 1

struct Account *head,*tail,*p; /*賬戶頭部和尾部指針*/

struct Account

{

char name[NAMELENGTH]; /* 賬戶名稱 */

float balance; /* 賬戶余額*/

char message[RECORDCOUNT][MESSAGELENGTH]; /* 交易記錄 */

int maxMessageIndex;

struct Account *next; /* 指向下一賬戶 */

};

void freeMemory(); /*釋放內(nèi)存*/

void removeFirst(struct Account * account); /*移除第一個元素*/

void showMenu(); /*輸出選擇菜單*/

struct Account * findAccountByName(char name[]); /*通過賬戶名稱找到對應(yīng)的賬戶 */

void writeMessage(struct Account * account,char message[]); /* 寫入交易記錄 */

void init(); /* 創(chuàng)建鏈表，并返回表頭指針 */

void openAccount(); /* 開戶 */

void closeAccount(); /* 銷戶 */

void deposit(); /* 存款*/

void withdraw(); /* 取款 */

void transfer(); /* 轉(zhuǎn)賬 */

void print(); /*輸出賬戶列表*/

void printMessage(); /*輸出賬戶交易記錄*/

int main()

{

init();

printf("歡迎使用ATM管理系統(tǒng)\n");

showMenu();

char choice;

fflush(stdin);

choice = getchar();

while(choice != '8')

{

switch(choice)

{

case '1':

openAccount();

showMenu();

fflush(stdin);

choice = getchar();

break;

case '2':

closeAccount();

showMenu();

fflush(stdin);

choice = getchar();

break;

case '3':

deposit();

showMenu();

fflush(stdin);

choice = getchar();

break;

case '4':

withdraw();

showMenu();

fflush(stdin);

choice = getchar();

break;

case '5':

transfer();

showMenu();

fflush(stdin);

choice = getchar();

break;

case '6':

print();

showMenu();

fflush(stdin);

choice = getchar();

break;

case '7':

printMessage();

showMenu();

fflush(stdin);

choice = getchar();

break;

default:

printf("無效菜單!\n");

showMenu();

fflush(stdin);

choice = getchar();

break;

}

}

freeMemory(); /*釋放內(nèi)存*/

return 0;

}

void showMenu()

{

printf("請選擇 1.開戶 2.銷戶 3.存款 4.取款 5.轉(zhuǎn)賬 6.查看所有賬戶 7. 最近五筆交易 8.退出\n");

}

//通過賬戶名稱找到對應(yīng)的賬戶

struct Account * findAccountByName(char name[])

{

if(strlen(name)0)

{

p = head;

while(p != NULL)

{

if(strcmp(p-name,name)==0)

{

return p;

}

p = p-next;

}

}

return NULL;

}

//寫入交易記錄

void writeMessage(struct Account * account,char message[])

{

if(account-maxMessageIndex = RECORDCOUNT)

{

removeFirst(account);

strcpy((account-message)[RECORDCOUNT-1],message);

account-maxMessageIndex = account-maxMessageIndex+1;

}

else

{

strcpy((account-message)[account-maxMessageIndex],message);

account-maxMessageIndex = account-maxMessageIndex+1;

}

}

void removeFirst(struct Account * account)

{

int i=0;

for(i=1; iRECORDCOUNT; i++)

strcpy((account-message)[i-1],(account-message)[i]);

}

/* 初始化三個默認(rèn)賬戶 */

void init()

{

p = (struct Account *)malloc(LEN); /* 創(chuàng)建第一個賬戶 */

p-balance=DEFAULTBALANCE;

p-next=NULL;

p-maxMessageIndex=0;

strcpy(p-name,"001");

head=p;

tail = p;

p = (struct Account *)malloc(LEN); /* 創(chuàng)建第二個賬戶 */

p-balance=DEFAULTBALANCE;

p-next=NULL;

p-maxMessageIndex=0;

strcpy(p-name,"002");

head-next = p;

tail = p;

p = (struct Account *)malloc(LEN); /* 創(chuàng)建第三個賬戶 */

p-balance=DEFAULTBALANCE;

p-next=NULL;

p-maxMessageIndex=0;

strcpy(p-name,"003");

tail-next = p;

tail = p;

}

//輸出賬戶列表信息

void print()

{

int i;

p = head;

i = 1;

while(p != NULL)

{

printf("第%d個賬戶的數(shù)據(jù) 賬戶名稱：%s 余額：%.2f\n",i++,p-name,p-balance);

p = p-next;

}

}

//釋放內(nèi)存

void freeMemory()

{

p = head;

while(p != NULL)

{

head = p;

free(head);

p = p-next;

}

}

//開戶

void openAccount()

{

char name[NAMELENGTH];

printf("請輸入新開立的賬戶名稱 : ");

fflush(stdin);

gets(name);

if(strlen(name)0)

{

p = (struct Account *)malloc(LEN); /* 創(chuàng)建一個新賬戶 */

p-balance=DEFAULTBALANCE;

p-next=NULL;

strcpy(p-name,name);

tail-next=p;

tail = p;

}

}

//銷戶

void closeAccount()

{

char name[NAMELENGTH];

printf("請輸入要銷戶的賬戶名稱 : ");

fflush(stdin);

gets(name);

if(strlen(name)0)

{

struct Account *pre;

p = head;

pre=head;

int find=0;

while(p != NULL)

{

if(strcmp(p-name,name)==0)

{

if(head == p)

head=p-next;

else if(tail==p)

{

pre-next=NULL;

tail = pre;

}

else

{

pre-next = p-next;

}

find=1;

break;

}

pre = p;

p = p-next;

}

if(find==0)

printf("沒有此賬戶，無法完成銷戶!\n");

}

}

//存款

void deposit()

{

char name[NAMELENGTH];

printf("請輸入要存款的賬戶名稱 :");

fflush(stdin);

gets(name);

p = findAccountByName(name);

if(p!=NULL)

{

float savemoney;

printf("請輸入要存款的金額 : ");

scanf("%f",savemoney);

while(savemoney=0)

{

printf("存款額不能小于等于零，請重新輸入! ");

scanf("%f",savemoney);

}

p-balance = p-balance+savemoney; /*存入賬戶金額*/

char message[MESSAGELENGTH];

sprintf(message,"賬戶%s成功存入%.2f元!\n",name,savemoney);

writeMessage(p,message); /*寫入交易記錄*/

}

else

printf("沒有此賬戶!\n");

}

//取款

void withdraw()

{

char name[NAMELENGTH];

printf("請輸入要取款的賬戶名稱 :");

fflush(stdin);

gets(name);

p = findAccountByName(name);

if(p!=NULL)

{

float savemoney;

printf("請輸入要取款的金額 : ");

fflush(stdin);

scanf("%f",savemoney);

while(savemoney=0 || savemoney p-balance)

{

printf("存款額不能小于等于零或者大于余額,請重新輸入! ");

scanf("%f",savemoney);

}

p-balance = p-balance-savemoney; /*存入賬戶金額*/

char message[MESSAGELENGTH];

sprintf(message,"賬戶%s成功取出%.2f元!\n",name,savemoney);

writeMessage(p,message); /*寫入交易記錄*/

}

else

printf("沒有此賬戶!\n");

}

//轉(zhuǎn)賬

void transfer()

{

char outname[NAMELENGTH];

char inname[NAMELENGTH];

struct Account *outAccount;

struct Account *inAccount;

printf("請輸入要轉(zhuǎn)出的賬戶名稱 :");

fflush(stdin);

gets(outname);

outAccount = findAccountByName(outname);

if(outAccount!=NULL)

{

printf("請輸入要轉(zhuǎn)入的賬戶名稱 :");

fflush(stdin);

gets(inname);

inAccount = findAccountByName(inname);

if(inAccount != NULL)

{

float money;

printf("請輸入要轉(zhuǎn)賬的金額 : ");

fflush(stdin);

scanf("%f",money);

while(money=0 || money outAccount-balance)

{

printf("轉(zhuǎn)賬金額不能小于等于零或者大于轉(zhuǎn)出賬戶余額,請重新輸入! ");

scanf("%f",money);

}

outAccount-balance = outAccount-balance-money; /*減少轉(zhuǎn)出賬戶金額*/

inAccount-balance = inAccount-balance+money; /*增加轉(zhuǎn)入賬戶金額*/

char outmessage[MESSAGELENGTH];

sprintf(outmessage,"賬戶%s成功轉(zhuǎn)出%.2f元!\n",outname,money);

writeMessage(outAccount,outmessage); /*寫入轉(zhuǎn)出交易記錄*/

char inmessage[MESSAGELENGTH];

sprintf(inmessage,"賬戶%s成功轉(zhuǎn)入%.2f元!\n",inname,money);

writeMessage(inAccount,inmessage); /*寫入轉(zhuǎn)出交易記錄*/

}

}

else

printf("沒有此轉(zhuǎn)出賬戶!\n");

}

//查看賬戶最近五筆交易歷史

void printMessage()

{

char name[NAMELENGTH];

printf("請輸入要查看最近五筆交易歷史的賬戶名稱 :");

fflush(stdin);

gets(name);

p = findAccountByName(name);

if(p!=NULL)

{

int i=0;

int end = (p-maxMessageIndex)=VIEWCOUNT?VIEWCOUNT:(p-maxMessageIndex);

for(i=0; iend; i++)

printf("%s",(p-message)[i]);

}

else

printf("沒有此賬戶!\n");

}

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