.NET框架-Clone怎样由浅变深的示例代码详解【C#.Net教程】,.NET框架，Clone，由浅变深

有的场所下，我们须要浅复制便能解决问题，由于我们复制出来的实例，依然援用本来的初始对象。然则有的时刻，这是不够的，由于我们复制出来的实例，还要对援用范例做出部分值的修正调解，而且保证不能影响初始对象！

这便请求深度复制了！

需求是如许的：
起首看一下浅复制为什么不能满足我们的请求：我们要复制简历，而且复制出的版本只与模板简历的求职意向中的公司名称不一致。

我们的初版代码是如许的：

简历模子1.0版本

    public class ResumeInfo1:ICloneable
    {        
    public ResumeInfo1(string name, string telephone, EducationInfo educationInfo,WantedJob1 job)
        {            
        this._name = name;            
        this._telephone = telephone;            
        this._educationInfo = educationInfo;            
        this._wantedJob = job;
        }        
        private string _name;        
        public string name
        {            
        get { return this._name; }
        }       
         private string _telephone;        
         public string telephone
        {            
        get { return _telephone; }
        }        
        private EducationInfo _educationInfo;        
        public EducationInfo educationInfo
        {            
        get { return _educationInfo; }
        }        
        private WantedJob1 _wantedJob;        
        public WantedJob1 WantedJob
        {            
        get { return _wantedJob; }
        }        
        public object Clone()
        {           
        return this.MemberwiseClone();
        }


    }

内里嵌套的子类教诲背景对象EducationInfo

    public class EducationInfo
    {        
    public string schoolName { get; set; }        
    public DateTime enrollTime { get; set; }        
    public DateTime leaveTime { get; set; }
    }

另有嵌套的对象WantedJob1:

    public class WantedJob1
    {        
    public string companyName { get; set; }        
    public double eanrings { get; set; }

    }

我们在客户端运用下：

            EducationInfo educationInfo = new EducationInfo();
            WantedJob1 wantedJob = new WantedJob1();
            ResumeInfo1 templateResume = new ResumeInfo1("qaz", "18810002000", educationInfo, wantedJob);
            educationInfo.enrollTime = new DateTime(2010, 7, 1);
            educationInfo.leaveTime = new DateTime(2015, 1, 1);
            educationInfo.schoolName = "wsx";
            wantedJob1.companyName = "edc";
            wantedJob1.eanrings = 1000;            
            //假定各个简历版本，仅仅companyName属性值差别。

            var res1 = templateResume.Clone();
            (res1 as ResumeInfo1).WantedJob.companyName = "baidu";            
            var res2 = templateResume.Clone();
            (res1 as ResumeInfo1).WantedJob.companyName = "ali";

然则我们获得了公司名称都是”ali”

这是典范的浅复制！

不能满足公司名称要辨别的请求，继承修正，变成深度复制：

    public class ResumeInfo2:ICloneable
    {        
    public ResumeInfo2(string name, string telephone, EducationInfo educationInfo,WantedJob2 job)
        {            
        this._name = name;            
        this._telephone = telephone;            
        this._educationInfo = educationInfo;            
        this._wantedJob = job;
        }        //
        private void cloneJob(WantedJob2 job)
        {            
        this._wantedJob = job.Clone() as WantedJob2;
        }        private string _name;        
        public string name
        {            
        get { return this._name; }
        }        
        private string _telephone;        
        public string 
        telephone
        {            
        get { return _telephone; }
        }        
        private EducationInfo _educationInfo;        
        public EducationInfo educationInfo
        {            
        get { return _educationInfo; }
        }        
        private WantedJob2 _wantedJob;        
        public WantedJob2 WantedJob
        {            
        get { return _wantedJob; }
        }        
        public object Clone()
        {
            cloneJob(this._wantedJob);            
            return new ResumeInfo2(_name,_telephone,_educationInfo,_wantedJob);          
        }


    }

求职意向对象2.0:

   //WantedJob2 完成接口
    public class WantedJob2:ICloneable
    {        
    public string companyName { get; set; }        
    public double eanrings { get; set; }        
    public object Clone()
        {            
        return this.MemberwiseClone();
        }
    }

客户端挪用：

            //此处我们须要对WantedJob做深复制处置惩罚。

            EducationInfo educationInfo = new EducationInfo();
            WantedJob2 wantedJob = new WantedJob2();
            ResumeInfo2 templateResume = new ResumeInfo2("qaz", "18810002000", educationInfo, wantedJob);
            educationInfo.enrollTime = new DateTime(2010, 7, 1);
            educationInfo.leaveTime = new DateTime(2015, 1, 1);
            educationInfo.schoolName = "wsx";
            wantedJob.companyName = "edc";
            wantedJob.eanrings = 1000;            
            //假定各个简历版本，仅仅companyName属性值差别。

            var res1 = templateResume.Clone();
            (res1 as ResumeInfo2).WantedJob.companyName = "baidu";            
            var res2 = templateResume.Clone();
            (res2 as ResumeInfo2).WantedJob.companyName = "ali";

获得差别的公司名称！深度复制胜利！

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