static void Main(string[] args)
{
// 用于从客户端向服务器一次性传递带有多个属性的数据。传输对象也被称为数值对象。传输对象是一个具有 getter/setter 方法的简单的 POJO 类，它是可序列化的，所以它可以通过网络传输。它没有任何的行为。服务器端的业务类通常从数据库读取数据，然后填充 POJO，并把它发送到客户端或按值传递它。对于客户端，传输对象是只读的。客户端可以创建自己的传输对象，并把它传递给服务器，以便一次性更新数据库中的数值.
StudentBO studentBusinessObject = new StudentBO();
//输出所有的学生
foreach (StudentVO student1 in studentBusinessObject.getAllStudents())
{
Console.WriteLine("Student: [RollNo : " + student1.getRollNo() + ", Name : " + student1.getName() + " ]");
}
//更新学生
StudentVO student = studentBusinessObject.getAllStudents()[0];
student.setName("Michael");
studentBusinessObject.updateStudent(student);
//获取学生
studentBusinessObject.getStudent(0);
Console.WriteLine("Student: [RollNo : "
+ student.getRollNo() + ", Name : " + student.getName() + " ]");
Console.ReadLine();
}
public StudentBO()
{
students = new List <StudentVO>();
StudentVO student1 = new StudentVO("Robert", 0);
StudentVO student2 = new StudentVO("John", 1);
students.Add(student1);
students.Add(student2);
}
public void deleteStudent(StudentVO student)
{
students.Remove(student);
Console.WriteLine("Student: Roll No "
+ student.getRollNo() + ", deleted from database");
}
public void updateStudent(StudentVO student)
{
students[student.getRollNo()].setName(student.getName());
Console.WriteLine("Student: Roll No " + student.getRollNo() + ", updated in the database");
}