public static void main(String[] args) {
String username[] = {"w001","w002","w003"};
int password[] = {123,456,789};
double money[] = {100.0,200.0,300.0};
int i,t,team,pass;
String new_pass = " ";
double edit_money=0;
i=team=pass=0;
Scanner scanner = new Scanner(System.in);
System.out.println("请输入账号");
String user = scanner.next();
while (team<5){
for (i=0;i<username.length;i++){
if (username[i].equals(user)){
System.out.println("请输入密码！");
new_pass = scanner.next();
team=5;
break;
}
}
if(team != 5){
team++;
i = 0;
System.out.println("账号错误，请重新输入");
user = scanner.next();
}else{
break;
}
}
while(true){
if(Integer.parseInt(new_pass) == password[i]){
System.out.println("登录成功！");
break;
}
System.out.println("密码错误，请重新输入");
new_pass = scanner.next();
}
while (true){
System.out.println("1取款 2查询余额 3存钱 4退出程序");
t = scanner.nextInt();
if (t ==1){
System.out.println("请输入取款数目");
edit_money = scanner.nextDouble();
money[i] = money[i] - edit_money;
System.out.println("账户余额："+money[i]);
}else if(t == 2){
System.out.println("账户余额："+money[i]);
}else if(t == 3){
System.out.println("请输入存款数额");
edit_money = scanner.nextDouble();
money[i] = money[i] + edit_money;
System.out.println("账户余额："+money[i]);
}else if(t == 4){
System.exit(-1);
}
}
}
static String username[] = {"admin", "w001", "w002", "w003"};
static int power[] = {1,0,0,0};
static int password[] = {123,456,789,111};
static double money[] = {100.0,200.0,300.0,0};
public static void main(String[] args) {
Login();
}
public static void Login(){
Scanner scanner = new Scanner(System.in);
System.out.println("输入账号：");
String user = scanner.next();
for (int i=0;i<username.length;i++){
if (username[i].equals(user)){
login_pass(i);
}
}
System.out.print("账号错误,请重新");
Login();
}
private static void login_pass(int i) {
int pass = 0;
String new_pass = " ";
Scanner scanner = new Scanner(System.in);
while(true){
System.out.println("输入密码: ");
new_pass = scanner.next();
try{
pass =Integer.parseInt(new_pass);
}catch (NumberFormatException e){
System.out.print("密码请输入数字！");
System.out.print("请重新");
login_pass(i);
}
if(pass == password[i]){
if(power[i] == 1){
System.out.println("欢迎你管理员");
admin();
}else{
System.out.println("登录成功！");
caozou(i);
}
}
System.out.print("密码错误！！！");
System.out.print("请重新");
login_pass(i);
}
}
public static void Logout(){
Scanner scanner = new Scanner(System.in);
String user = " ";
String error = " ";
System.out.println("请输入要注销的用户");
user = scanner.next();
System.out.println("确定删除吗 yes no");
error = scanner.next();
if (error.equals("yes")){
for (int i = 0; i < username.length; i++) {
if (username[i].equals(user)){
username[i] = "已注销";
System.out.println("注销成功！");
admin();
break;
}
}
}else{
admin();
}
}
public static void admin(){
Scanner scanner = new Scanner(System.in);
int t = 0;
while(true){
System.out.println("请输入 1添加用户 2注销用户 3退出系统 4查询用户信息 5退出登录");
t = scanner.nextInt();
switch(t){
case 1:
add();
break;
case 2:
Logout();
break;
case 3:
System.exit(-1);
break;
case 4:
List();
break;
case 5:
Login();
break;
default:
System.out.println("输入错误，请重新输入！！");
break;
}
}
}
public static void add() {
money = add_money();
username = add_user();
password = add_pass();
power = add_power();
System.out.println("添加成功！！");
}
private static void List() {
String power_new = " ";
for (int i = 0; i < money.length; i++) {
if (power[i] == 0){
power_new = "普通用户";
}else{
power_new = "管理员用户";
}
if (!username[i].equals("已注销")){
System.out.println("用户名："+username[i]+' '+"密码："+password[i]+' '+"账户余额："+money[i]+' '+power_new);
}
}
}
public static String[] add_user(){
Scanner scanner = new Scanner(System.in);
System.out.println("请输入新用户账号！");
String new_name = scanner.next();
String[] newarr_user = new String[username.length+1];
for (int j = 0; j <= username.length-1; j++) {
newarr_user[j] = username[j];
}
newarr_user[username.length] = new_name;
username = newarr_user;
return username;
}
public static int[] add_pass(){
Scanner scanner = new Scanner(System.in);
System.out.println("请输入新用户密码！");
int new_pass = scanner.nextInt();
int[] newarr_pass = new int[password.length+1];
for (int j = 0; j <= password.length-1; j++) {
newarr_pass[j] = password[j];
}
newarr_pass[password.length] = new_pass;
password = newarr_pass;
return password;
}
public static double[] add_money(){
Scanner scanner = new Scanner(System.in);
double[] newarr_money = new double[money.length+1];
for (int j = 0; j <= money.length-1; j++) {
newarr_money[j] = money[j];
}
newarr_money[money.length] = 0;
money = newarr_money;
return money;
}
public static int[] add_power(){
Scanner scanner = new Scanner(System.in);
int[] newarr_power = new int[power.length+1];
for (int j = 0; j <= power.length-1; j++) {
newarr_power[j] = power[j];
}
newarr_power[power.length] = 0;
power = newarr_power;
return power;
}
public static void caozou(int i){
Scanner scanner = new Scanner(System.in);
int t = 0;
double edit_money=0;
while (true){
System.out.println("1取款 2查询余额 3存钱 4转账 5重新登录 6修改密码 7退出系统");
t = scanner.nextInt();
switch (t){
case 1:
withdraw(i); break;
case 2:
inquiry(i); break;
case 3:
deposit(i); break;
case 4:
transfer(i); break;
case 5:
Login(); break;
case 6:
edit_user(i); break;
case 7:
System.exit(-1);
break;
default:
System.out.println("请重新输入！！");
break;
}
}
}
public static int verify(String str){
int new_int = 0;
try{
new_int =Integer.parseInt(str);
}catch (NumberFormatException e){
return -1;
}
return new_int;
}
private static void edit_user(int i) {
Scanner scanner = new Scanner(System.in);
String new_pass = " ";
int pass = 0;
System.out.println("输入原密码！");
new_pass = scanner.next();
pass = verify(new_pass);
if(pass != -1){
if (pass == password[i]){
while(true){
System.out.println("请输入新密码！！");
new_pass = scanner.next();
pass = verify(new_pass);
if (pass != -1){
password[i] = pass;
caozou(i);
break;
}
System.out.print("请输入数字，重新");
}
}
}else{
System.out.print("请输入数字，重新");
edit_user(i);
}
System.out.print("密码错误！重新");
edit_user(i);
}
public static void withdraw(int i){
Scanner scanner = new Scanner(System.in);
double edit_money=0;
System.out.println("请输入取款数目");
edit_money = scanner.nextDouble();
if (edit_money > money[i]){
System.out.println("您的余额不足，请重新输入");
withdraw(i);
}
money[i] = money[i] - edit_money;
}
public static void deposit(int i){
Scanner scanner = new Scanner(System.in);
double edit_money=0;
System.out.println("请输入存款数额");
edit_money = scanner.nextDouble();
money[i] = money[i] + edit_money;
System.out.println("账户余额："+money[i]);
}
public static void inquiry(int i){
System.out.println("账户余额："+money[i]);
}
public static void transfer(int i){
Scanner scanner = new Scanner(System.in);
double edit_money=0;
int t = 0;
System.out.println("请输入转账数目");
edit_money = scanner.nextDouble();
if (edit_money > money[i]){
System.out.println("您的余额不足，请重新输入");
withdraw(i);
}
while (t != 1){
System.out.println("请输入转账账号：");
String user = scanner.next();
for (int j = 0; j < username.length; j++) {
if (username[j].equals(user)){
money[j] += edit_money;
t = 1;
break;
}
}
}
}
