private String userName
private String password
public User(String userName,String password){
this.userName=userName
this.password=password
}
//私有属性的set get 方法
public void setUserName(String userName){
this.userName=userName
}
public void setPassword(String password){
this.password=password
}
public String getUserName(){
return this.userName
}
public String getPassword(){
return this.password
}
//用来判断用户名和密码是否正确
public boolean panDuan(){
if("用户名".equals(this.userName)&&"密码".equals(this.password)){
System.out.println("登入成功！")
return true
}else{
System.out.println("登入失败！")
return false
}
}
public static void main (String[] args){
System.out.println("请输入用户名:")
Scanner sc=new Scanner(System.in)
String userName=sc.nextLine()
System.out.println("请输入密码:")
String password=sc.nextLine()
User u=new User(userName,password)
u.panDuan()
}
}
密码是否一致最好是在前端先判断，后端进行再次检验。要判断当前密码是否正确，必须把用户的账号一起传上去，然后取出改用户，拿旧密码与当前密码进行判断。2次输入的新密码一致，可以用password1.equals(password2)
