简历的深复制实现
workExperience类:实现了ICloeable接口==实现了Clone方法——创建一个新对象,然后将当前对象的非静态字段复制到该新对象。如果字段是值类型的则对该字段执行逐位复制。如果字段是引用类型的,则复制引用但不复制引用的对象。
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Deep_Copy
{
class WorkExperience : ICloneable
{
private string workDate;
public string WorkDate
{
get { return workDate; }
set { this.workDate = value; }
}
private string company;
public string Company
{
get { return company; }
set { this.company = value; }
}
public object Clone()
{
return (Object)this.MemberwiseClone();
}
}
}
Resume简历
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Deep_Copy
{
class Resume : ICloneable
{
private string name;
private string sex;
private string age;
private WorkExperience workExperience;
public Resume(string name)
{
this.name = name;
workExperience = new WorkExperience();
}
private Resume(WorkExperience workExperience)
{
this.workExperience = (WorkExperience)workExperience.Clone();
}
public void SetPersonalInfo(string sex, string age)
{
this.sex = sex;
this.age = age;
}
public void SetWorkExperience(string workDate,string company)
{
this.workExperience.WorkDate = workDate;
this.workExperience.Company = company;
}
public void DisPlay()
{
Console.WriteLine("{0} {1} {2}", name, sex,age);
Console.WriteLine("工作经历: {0} {1}",workExperience.WorkDate,workExperience.Company);
}
public Object Clone()
{
Resume obj = new Resume(this.workExperience);
obj.name = this.name;
obj.sex = this.sex;
obj.age = this.age;
return obj;
}
}
}
深复制:把引用对象的变量指向复制过的新对象,而不是原有的被引用的对象。当Resume类的对象new出来时候共有的Resume方法new了一个WorkExperience对象存储到Resume对象中的workExperience。
Resume对象中的Clone方法 调用私有构造器Resume()将workExperience传入到私有构造器中,在私有构造器中调用workExperienc中的Clone方法。 返回的WorkExperience对象存储在workExperiecne中。这个时候相当于把引用对象的变量指向了复制过来的新对象obj 而不是原有的被引用的对象。