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C#教程之C# ICloneable,shallow clone,deep clone.
本站最新发布 C#从入门到精通
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试听地址 https://www.xin3721.com/eschool/CSharpxin3721/
1 [Serializable] 2 public class Person:ICloneable 3 { 4 public string Name { get; set; } 5 public int Id { get; set; } 6 public int Age { get; set; } 7 public Department Department { get; set; } 8 9 public object Clone() 10 { 11 return this.MemberwiseClone(); 12 } 13 14 15 public Person ShallowClone() 16 { 17 return Clone() as Person; 18 } 19 20 public Person DeepClone() 21 { 22 using (Stream objStream = new MemoryStream()) 23 { 24 IFormatter formatter = new BinaryFormatter(); 25 formatter.Serialize(objStream, this); 26 objStream.Seek(0, SeekOrigin.Begin); 27 return formatter.Deserialize(objStream) as Person; 28 } 29 } 30 } 31 32 [Serializable] 33 public class Department 34 { 35 public string DeptName { get; set; } 36 public int DeptId { get; set; } 37 }
1 class Program 2 { 3 static void Main(string[] args) 4 { 5 CloneDemo(); 6 Console.ReadLine(); 7 } 8 9 static void CloneDemo() 10 { 11 Person fred = new Person() 12 { 13 Id = 1, 14 Name = "Fred", 15 Age = 32, 16 Department=new Department() 17 { 18 DeptId=1, 19 DeptName="Dept1" 20 } 21 }; 22 23 Console.WriteLine($"fred,name:{fred.Name},Id:{fred.Name},department name:{fred.Department.DeptName},deptid:{fred.Department.DeptId}"); 24 25 Person shallowClonePerson = fred.ShallowClone() as Person; 26 Console.WriteLine($"shallowClonePerson,Name:{shallowClonePerson.Name},Id:{shallowClonePerson.Id},department name:{shallowClonePerson.Department.DeptName},deptId:{shallowClonePerson.Department.DeptId}"); 27 28 fred.Id = 2; 29 fred.Name = "fred2"; 30 fred.Age = 33; 31 fred.Department.DeptId = 2; 32 fred.Department.DeptName = "dept2"; 33 Console.WriteLine($"shallowClonePerson,Name:{shallowClonePerson.Name},Id:{shallowClonePerson.Id},department name:{shallowClonePerson.Department.DeptName},deptId:{shallowClonePerson.Department.DeptId}"); 34 35 36 Person deepClonePerson = fred.DeepClone() as Person; 37 Console.WriteLine($"deepClonePerson,Name:{deepClonePerson.Name},Id:{deepClonePerson.Id},department name:{deepClonePerson.Department.DeptName},id:{deepClonePerson.Department.DeptId}"); 38 39 fred.Id = 3; 40 fred.Name = "Fred3"; 41 fred.Age = 34; 42 fred.Department.DeptId = 3; 43 fred.Department.DeptName = "dept3"; 44 Console.WriteLine($"deepClonePerson,Name:{deepClonePerson.Name},Id:{deepClonePerson.Id},department name:{deepClonePerson.Department.DeptName},id:{deepClonePerson.Department.DeptId}"); 45 } 46 }
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