package ATM;
//信1705-3 20173517 赵家明
import java.util.ArrayList;
import java.util.Scanner;
import java.util.*;
@SuppressWarnings("unused")
public class ATM {
 public static void main(String[] args) {
  // TODO Auto-generated method stub
  put1();
   @SuppressWarnings("resource")
  Scanner s = new Scanner(System.in);
   @SuppressWarnings("unused")
  String str = null;
   str = s.next();
  put2();
   @SuppressWarnings("resource")
   Scanner s1 = new Scanner(System.in);
    @SuppressWarnings("unused")
   String str1 = null;
    str1 = s1.next();
  put3();
  Scanner input=new Scanner(System.in);
  ArrayList<Account> atm=new ArrayList<Account>();
  ArrayList<FileOperation> x=new ArrayList<FileOperation>();
  FileOperation f= new FileOperation();
  int select=1;
  for(;;)
  {
   do
   {
   select=input.nextInt();
   }while(select<1||select>5);
   switch(select)
   {
    case 1:withdraw(atm);break;
    case 2:deposit(atm);break;
    case 4:change();break;
   }
   input.close();
   }
 
 }
 public static void deposit(){
  System.out.println("请输入存款金额");
  @SuppressWarnings("resource")
  Scanner in = new Scanner(System.in);
  int amount=in.nextInt();
  int accountbalance=in.nextInt();
  if(amount<0){
   System.out.println("存款金额不能小于0");
  }else{
   accountbalance=accountbalance+amount;
   System.out.println("您已成功存入:"+amount+"元,您现在总余额为:"+accountbalance+"元"+"\n");
  }
 }
 private static void put1()
 {
  System.out.println("***************************************************");
  System.out.println("                 欢迎使用中国工商银行自动柜员系统");
  System.out.println("***************************************************");
  System.out.println("   请输入您的账号:");
  
  System.out.println("***************************************************");
 }
 private static void put2()
 {
  System.out.println("***************************************************");
  System.out.println("                 欢迎使用中国工商银行自动柜员系统");
  System.out.println("***************************************************");
  System.out.println("   请输入您的密码:");
  
  System.out.println("***************************************************");
 }
 private static void put3() {
   System.out.println("  请选择你要执行的功能");
   System.out.println("  1.存款");
   System.out.println("  2.取款");
   System.out.println("  3.转账汇款");
   System.out.println("  4.修改密码");
   System.out.println("  5.查询余额");
 }
 private static void put4()
 {
   System.out.println("  ***************************************************************\r\n" +
     "  欢迎XXXXXXXX(账户名称)使用中国工商银行自助柜员系统\r\n" +
     "  ****************************************************************当前账户每日可以支取2万元。\r\n" +
     "  1、100元\r\n" +
     "  2、500元\r\n" +
     "  3、1000元\r\n" +
     "  4、1500元\r\n" +
     "  5、2000元\r\n" +
     "  6、5000元;\r\n" +
     "  7、其他金额\r\n" +
     "  8、退卡\r\n" +
     "  9、返回\r\n" +
     "  ****************************************************************1.存款");
  
 }
 private static void withdraw(ArrayList<Account> atm)
 {
  System.out.println("请输入取款金额:");
   @SuppressWarnings("resource")
  Scanner in = new Scanner(System.in);
   put4();
  int amount=in.nextInt();
  Account x= new Account();
  int accountbalance=x.get_accountbalance();
  if(amount>5000){
   System.out.println("取款金额不能大于5000"+"\n");
  }else{
   if(amount%100!=0){
    System.out.println("取款金额必须为100的整数倍"+"\n");
   }else{
    accountbalance=accountbalance-amount;
    System.out.println("您取出了"+amount+"元,您现在的余额为:"+accountbalance+"元"+"\n");
   }
  }
 }
 private static void deposit(ArrayList<Account> atm) {
  System.out.println("请输入存款金额");
   @SuppressWarnings("resource")
  Scanner in = new Scanner(System.in);
  int amount=in.nextInt();
  Account x= new Account();
  int accountbalance=x.get_accountbalance();
  if(amount<0){
  System.out.println("存款金额不能小于0");
  }else{
   accountbalance=accountbalance+amount;
  System.out.println("您已成功存入:"+amount+"元,您现在总余额为:"+accountbalance+"元"+"\n");
  
 }
 }
 public static void change(){
  System.out.println("请输入您的密码:");
   @SuppressWarnings("resource")
  Scanner in = new Scanner(System.in);
   Account x= new Account();
   String accountpassword=x.get_accountpassword();
   String accountpassword1=in.nextLine();
  if(accountpassword1==accountpassword){
   System.out.println("请输入新密码:");
   @SuppressWarnings("unused")
   String accountpassword2=in.nextLine();
     System.out.println("您的密码已修改为:"+accountpassword2+"\n");
  }else{
   System.out.println("密码输入错误:"+"\n");
  }
 }
}
 
 
 
package ATM;
//信1705-3 20173517 赵家明
public class Account {
 private String accountID;
 private String accountname;
 private String operatedate;
 private int operatetype;
 private String accountpassword;
 private int accountbalance;
 private int amount;
 Account ()
 {
  accountID="20173517";
  accountname="zjm";
  operatedate="2018-09-20";
  operatetype=1;
  accountpassword="042669";
  accountbalance=1000;
  amount=100;
  
  }
 Account (String a,String b,String c,int d,String e,int f,int g)
 {
  accountID=a;
  accountname=b;
  operatedate=c;
  operatetype=d;
  accountpassword=e;
  accountbalance=f;
  amount=g;
  }
public void set_accountID(String str)
{
 accountID=str;
 }
public void set_accountname(String str)
{
 accountname=str;
 }
public void set_operatedate(String str)
{
 operatedate=str;
 }
public void set_operatetype(int n)
{
 operatetype=n;
 }
public void set_accountpassword(String str)
{
 accountpassword=str;
 }
public void set_accountbalance(int n)
{
 accountbalance=n;
 }
public void set_amount(int n)
{
 amount=n;
 }
public String get_accountID()
{
 return accountID;
 }
public String get_accountname()
{
 return accountname;
 }
public String get_operatedate()
{
 return operatedate;
 }
public int get_operatetype()
{
 return operatetype;
 }
public String get_accountpassword()
{
 return accountpassword;
 }
public int get_accountbalance()
{
 return accountbalance;
 }
public int get_amount()
{
 return amount;
 }
}
 
 
package ATM;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.RandomAccessFile;
@SuppressWarnings("unused")
public class FileOperation {
 //创建文件
 public static boolean createFile(File fileName)throws Exception{
  
 @SuppressWarnings("unused")
 Boolean flag=false;
 try{
  if(!fileName.exists()){
   fileName.createNewFile();
   flag=true;
   }
  }
 catch(Exception e){
  e.printStackTrace();
  }
 return true;
 }
 //读TXT文件内容
  public static String readTxtFile(File fileName)throws Exception{
   String result=null;
   FileReader fileReader=null;
   BufferedReader bufferedReader=null;
   try{
    fileReader=new FileReader(fileName);
    bufferedReader=new BufferedReader(fileReader);
    try{
     String read=null;
     while((read=bufferedReader.readLine())!=null){
      result=result+read+"\r\n";
      }
     }
    catch(Exception e){
     e.printStackTrace();
     }
    }
   catch(Exception e){
    e.printStackTrace();
    }
   finally{
    if(bufferedReader!=null){
     bufferedReader.close();
     }
    if(fileReader!=null){
     fileReader.close();
     }
    }
   System.out.println("读取出来的文件内容是:"+"\r\n"+result);
   return result;
   }
public static void contentToTxt(String filePath, String content) {
        String str = new String(); //原有txt内容
        String s1 = new String();//内容更新
        try {
            File f = new File(filePath);
            if (f.exists()) {
                System.out.print("文件存在");
            } else {
                System.out.print("文件不存在");
                f.createNewFile();// 不存在则创建
            }
            BufferedReader input = new BufferedReader(new FileReader(f));
 
            while ((str = input.readLine()) != null) {
                s1 += str + "\n";
            }
            System.out.println(s1);
            input.close();
            s1 += content;
 
            BufferedWriter output = new BufferedWriter(new FileWriter(f));
            output.write(s1);
            output.close();
        } catch (Exception e) {
            e.printStackTrace();
 
        }
    }
 
}
 
问题:
1.Java语言不熟练,不能迅速编写
2.文件导入出现问题
3.总会忘掉实例化
4.不够专注,不能静心
最后日常催眠,热爱Java!
 posted on 2018-09-21 18:42  Aurinko  阅读(433)  评论(0编辑  收藏  举报