对象序列化技术在大量数据缓存技术中需要用到,但对于复杂对象,如何实现序列化与反序列化呢?
下面是我写的一个软件中的部分有关序列化的代码,共享之供大家批评,这里展示的是简单的二进制序列化,复杂的还有自定义XML序列化,但由于本人对XML Schem不太熟悉,不知道如何编写高效的XML序列化,例如:Word可以直接存储为XML格式。
using System;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;
using System.Collections;
namespace SGSoft.Asst
{
    /**//// <summary>
    /// AsstTable 的摘要说明。
    /// </summary>
    [Serializable()]
    public class AsstTable: ISerializable
     {
        public AsstTable()
         {
            this.mInterval=0;
            this.mRank=33;
            mExpre_date=System.DateTime.Now;
            mLastEdit_time=System.DateTime.Now;
            mPriority=1.0;
        }
        /**//// <summary>
        /// 客户调用时的构造函数
        /// </summary>
        /// <param name="mInterval">间隔,1表示相临</param>
        /// <param name="mRank">数据表的秩,默认应该为32</param>
        public AsstTable(int mInterval,uint mRank)
         {
            this.mInterval=mInterval;
            this.mRank=mRank;
            this.mData=new int[mRank,mRank];
            mExpre_date=System.DateTime.Now.Date.AddDays(30);
            mLastEdit_time=System.DateTime.Now;
            mTableName=string.Format("matrix{0}",mInterval);
            mDescription=string.Format("粘网矩阵{0},创建间隔为{1};创建时间{2}",mTableName,
                mInterval,mLastEdit_time.ToShortDateString());
            mPriority=1/mInterval;
        }
        /**//// <summary>
        /// 反序列化构照函数
        /// </summary>
        /// <param name="info"></param>
        /// <param name="ctxt"></param>
        public AsstTable(SerializationInfo info,StreamingContext ctxt)
         {
            mInterval=info.GetInt32("mInterval");
            mRank=info.GetUInt32("mRank");
            mDescription=info.GetString("mDescription");
            mExpre_date=info.GetDateTime("mExpre_date");
            mLastEdit_time=info.GetDateTime("mLastEdit_time");
            mPriority=info.GetDouble("mPriority");
            mData=new int[mRank,mRank];
            for(int i=0;i<mRank;i++)
             {
                for(int j=0;j<mRank;j++)
                 {
                    mData[i,j]=info.GetInt32(string.Format("{0}-{1}",i,j));
                }
            }
        }
        私有成员#region 私有成员
        //间隔
        private int mInterval;        
        //矩阵的秩
        private readonly uint mRank;
        //说明信息
        private string mDescription=null;
        //过期时间
        private System.DateTime mExpre_date;
        //最后编辑时间
        private System.DateTime mLastEdit_time;
        //表名
        private string mTableName=null;
        //表ID
        
        //表的权
        private double mPriority;
        //粘网矩阵
        private int[,] mData=null;
        #endregion
        //公共属性#region        //公共属性
        public int Interval
         {
            get
             {
                return mInterval;
            }
            set
             {
                mInterval=value;
            }
        }
        /**//// <summary>
        /// Property Rank (uint)
        /// 只读属性
        /// </summary>
        public uint Rank
         {
            get
             {
                return this.mRank;
            }            
        }
        public int[,] Data
         {
            get
             {
                return mData;
            }
        }             
        /**//// <summary>
        /// Property Description (string)
        /// </summary>
        public string Description
         {
            get
             {
                return this.mDescription;
            }
            set
             {
                this.mDescription = value;
            }
        }
        /**//// <summary>
        /// Property TableName (string)
        /// </summary>
        public string TableName
         {
            get
             {
                return this.mTableName;
            }
            set
             {
                this.mTableName = value;
            }
        }
        /**//// <summary>
        /// Property Priority (float)
        /// </summary>
        public double Priority
         {
            get
             {
                return this.mPriority;
            }
            set
             {
                this.mPriority = value;
            }
        }
        #endregion
        ISerializable 成员#region ISerializable 成员
        public void GetObjectData(SerializationInfo info, StreamingContext context)
         {
            info.AddValue("mInterval",mInterval);
            info.AddValue("mRank",mRank);
            info.AddValue("mDescription",mDescription);
            info.AddValue("mExpre_date",mExpre_date);
            info.AddValue("mLastEdit_time",mLastEdit_time);
            info.AddValue("mPriority",mPriority);
            for(int i=0;i<mRank;i++)
             {
                for(int j=0;j<mRank;j++)
                 {
                    info.AddValue(string.Format("{0}-{1}",i,j),mData[i,j]);
                }
            }
            
        }
        #endregion
    }
}
 
下面是测试它的类:
using System;
using System.Collections;
using NUnit.Framework;
using SGSoft.Asst;
using System.IO;
namespace TestProject
{
    /**//// <summary>
    /// Test 的摘要说明。
    /// </summary>
    [TestFixture]
    public class Test
     {
        public Test()
         {
            //
            // TODO: 在此处添加构造函数逻辑
            //
        }
        [Test,Ignore("OK")]
        public void TestAsst()
         {
                        
            AsstTable at=new AsstTable(1,33);
            int[,] ss=at.Data;
            for(int i=0;i<at.Rank;i++)
             {
                for(int j=0;j<at.Rank;j++)
                 {
                    ss[i,j]=i+j;
                    Console.WriteLine(ss[i,j]);
                }
            }
            at.Description="我爱你";
            at.Priority=1.1;
            at.TableName="Tablt1";
            
            System.IO.Stream sm=File.Open("C:\\tests.txt",FileMode.Create);
            System.Runtime.Serialization.Formatters.Binary.BinaryFormatter bf=new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
            bf.Serialize(sm,at);
            sm.Close();
            
        }
        public void TestDeS()
         {
            System.IO.Stream sm=File.Open("C:\\tests.txt",FileMode.Open);
            System.Runtime.Serialization.Formatters.Binary.BinaryFormatter bf=new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
            AsstTable at=(AsstTable)bf.Deserialize(sm);
            sm.Close();
            Console.WriteLine(at.Description);
            Console.WriteLine(at.Priority);
            Console.WriteLine(at.Data[22,4]);
        }
    }
}
该程序实现了完整的序列化与反序列化,当然,在流处理过程中,还可以使用Zip技术,直接对序列化流进行压缩。
大家如果有对自定义XML序列化实现的较好的代码,希望能和我交流。
                    
                
                
            
        
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