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C# ICloneable,shallow clone,deep clone.

2019年09月21日  | 移动技术网IT编程  | 我要评论 
 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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