当前位置: 代码迷 >> J2SE >> 比较头疼的数组+循环+条件判断的有关问题
  详细解决方案

比较头疼的数组+循环+条件判断的有关问题

热度:564   发布时间:2016-04-24 12:23:14.0
比较头疼的数组+循环+条件判断的问题
先看代码:
Java code
package User;import java.util.Scanner;public class UserManager {    public static void main(String[] args)     {        DbStore abc = new DbStore();                Scanner input = new Scanner(System.in);        System.out.println("请输入用户名:");        String name = input.next();        System.out.println("请输入密码:");        int password = input.nextInt();        for(int i=0;i<abc.getEntryArr().length;i++)            {            if((!abc.getEntryArr()[i].getUserName().equals(name))&&(!abc.getEntryArr()[i].getUserPwd().equals(password)))            {                System.out.println("用户不存在或密码错误!");            }            else            {            System.out.println("该用户的真实姓名为"+abc.getEntryArr()[i].getRealName());            }        }    }}


下面是DbStore类:
Java code
package User;public class DbStore {    private UserEntity[] entryArr;//声明一个数组变量    public DbStore() //初始化用户实体数组    {        UserEntity ue1 = new UserEntity();        ue1.setAge(21);        ue1.setCellPhone("888888881");        ue1.setEmail("damo1@qq.com");        ue1.setRealName("大漠1");        ue1.setUserId("001");        ue1.setUserName("damo1");        ue1.setUserPwd("1");        UserEntity ue2 = new UserEntity();        ue2.setAge(22);        ue2.setCellPhone("888888882");        ue2.setEmail("damo2@qq.com");        ue2.setRealName("大漠2");        ue2.setUserId("002");        ue2.setUserName("damo2");        ue2.setUserPwd("2");        UserEntity ue3 = new UserEntity();        ue3.setAge(23);        ue3.setCellPhone("888888883");        ue3.setEmail("damo3@qq.com");        ue3.setRealName("大漠3");        ue3.setUserId("003");        ue3.setUserName("damo3");        ue3.setUserPwd("3");        UserEntity ue4 = new UserEntity();        ue4.setAge(24);        ue4.setCellPhone("888888884");        ue4.setEmail("damo4@qq.com");        ue4.setRealName("大漠4");        ue4.setUserId("004");        ue4.setUserName("damo4");        ue4.setUserPwd("4");        UserEntity ue5 = new UserEntity();        ue5.setAge(25);        ue5.setCellPhone("888888885");        ue5.setEmail("damo5@qq.com");        ue5.setRealName("大漠5");        ue5.setUserId("005");        ue5.setUserName("damo5");        ue5.setUserPwd("5");        setEntryArr(new UserEntity[] { ue1, ue2, ue3, ue4, ue5 });    }    public static void main(String[] args)     {              DbStore uf = new DbStore();        for(int i=0;i<uf.getEntryArr().length;i++)        {            System.out.println("用户编号:"+uf.getEntryArr()[i].getUserId());            System.out.println("登陆名称:"+uf.getEntryArr()[i].getUserName());            System.out.println("登陆密码:"+uf.getEntryArr()[i].getUserPwd());            System.out.println("真实姓名:"+uf.getEntryArr()[i].getRealName());            System.out.println("年龄:"+uf.getEntryArr()[i].getAge());            System.out.println("手机号码:"+uf.getEntryArr()[i].getCellPhone());            System.out.println("电子邮箱:"+uf.getEntryArr()[i].getEmail());            System.out.println("\r\n");                    }    }    public void setEntryArr(UserEntity[] entryArr) {        this.entryArr = entryArr;    }    public UserEntity[] getEntryArr() {        return entryArr;    }}



执行的问题是:程序把输入的name和password 先与entryArr[0]比较,然后才是entryArr[1]/[2]/[3]/[4]
  相关解决方案