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最近有人在讨论这个问题..小弟很少玩这个东西..就到网路上找了一些资源..教大家如何将物件序列化成Binary Data..然后储存到资料库或档桉裡..
当然可以序列化..就一定可以反序列化了...其实序列化格式不一定要是Binary Data..也可以是XML or SOAP Data的...
首先准备一个DB,结构如下：
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接下来就是代码了
以下为引用的内容：
asp.net(c#)
SerializingObjects.aspx
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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="SerializingObjects.aspx.cs" Inherits="SerializingObjects" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Serializing Objects</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:DropDownList ID="ddlType" runat="server">
<asp:ListItem Value="0">资料库</asp:ListItem>
<asp:ListItem Value="1">档桉</asp:ListItem>
</asp:DropDownList>
<asp:Button ID="btnLoad" runat="server" OnClick="btnLoad_Click" Text="读取" />
<asp:Label ID="Label1" runat="server" Text="编号："></asp:Label>
<asp:TextBox ID="txbId" runat="server"></asp:TextBox>
<asp:Label ID="Label2" runat="server" Text="名称："></asp:Label>
<asp:TextBox ID="txbName" runat="server"></asp:TextBox>
<asp:Label ID="Label3" runat="server" Text="电话："></asp:Label>
<asp:TextBox ID="txbTel" runat="server"></asp:TextBox>
<asp:Label ID="Label4" runat="server" Text="地址："></asp:Label>
<asp:TextBox ID="txbAddress" runat="server"></asp:TextBox>
<asp:Button ID="btnAdd" runat="server" OnClick="btnAdd_Click" Text="新增" /></div>
</form>
</body>
</html>
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="SerializingObjects.aspx.cs" Inherits="SerializingObjects" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Serializing Objects</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:DropDownList ID="ddlType" runat="server">
<asp:ListItem Value="0">资料库</asp:ListItem>
<asp:ListItem Value="1">档桉</asp:ListItem>
</asp:DropDownList>
<asp:Button ID="btnLoad" runat="server" OnClick="btnLoad_Click" Text="读取" /><br />
<asp:Label ID="Label1" runat="server" Text="编号："></asp:Label>
<asp:TextBox ID="txbId" runat="server"></asp:TextBox>
<br />
<asp:Label ID="Label2" runat="server" Text="名称："></asp:Label>
<asp:TextBox ID="txbName" runat="server"></asp:TextBox>
<br />
<asp:Label ID="Label3" runat="server" Text="电话："></asp:Label>
<asp:TextBox ID="txbTel" runat="server"></asp:TextBox><br />
<asp:Label ID="Label4" runat="server" Text="地址："></asp:Label>
<asp:TextBox ID="txbAddress" runat="server"></asp:TextBox>
<asp:Button ID="btnAdd" runat="server" OnClick="btnAdd_Click" Text="新增" /></div>
</form>
</body>
</html>
SerializingObjects.aspx.cs
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using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;
public partial class SerializingObjects : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btnAdd_Click(object sender, EventArgs e)
{
if (this.ddlType.SelectedIndex == 0)
{
SaveToDB();
}
else
{
SaveToFile();
}
}
//存至资料库(Binary Serialization)
protected void SaveToDB()
{
using (SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString))
{
using (MemoryStream ms = new MemoryStream())
{
conn.Open();
Member mem = new Member();
mem.Id = this.txbId.Text;
mem.Name = this.txbName.Text;
mem.Tel = this.txbTel.Text;
mem.Address = this.txbAddress.Text;
BinaryFormatter b = new BinaryFormatter();
b.Serialize(ms, mem);
ms.Seek(0, 0);
string sql = "insert into member values(@data)";
SqlCommand cmd = new SqlCommand(sql, conn);
cmd.Parameters.Add("@data", SqlDbType.Binary).Value = ms.ToArray();
cmd.ExecuteNonQuery();
}
}
}
//由资料库读取(Binary Serialization)
protected void LoadFromDB()
{
using (SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString))
{
using (MemoryStream ms = new MemoryStream())
{
conn.Open();
string sql = "select data from member";
SqlCommand cmd = new SqlCommand(sql, conn);
SqlDataAdapter adapter = new SqlDataAdapter(cmd);
DataTable dt = new DataTable();
adapter.Fill(dt);
if (dt.Rows.Count > 0)
{
byte[] buffer = (byte[])dt.Rows[dt.Rows.Count-1][0];
ms.Write(buffer, 0, buffer.Length);
ms.Seek(0, 0);
BinaryFormatter b = new BinaryFormatter();
Member mem = new Member();
mem = (Member)b.Deserialize(ms);
this.txbId.Text = mem.Id;
this.txbName.Text = mem.Name;
this.txbTel.Text = mem.Tel;
this.txbAddress.Text = mem.Address;
}
}
}
}
//存至档桉(Binary Serialization)
protected void SaveToFile()
{
string path = Server.MapPath("member.dat");
using (Stream s = File.Open(path, FileMode.Create))
{
Member mem = new Member();
mem.Id = this.txbId.Text;
mem.Name = this.txbName.Text;
mem.Tel = this.txbTel.Text;
mem.Address = this.txbAddress.Text;
BinaryFormatter b = new BinaryFormatter();
b.Serialize(s, mem);
}
}
//由档桉读取(Binary Serialization)
protected void LoadFromFile()
{
string path = Server.MapPath("member.dat");
if (File.Exists(path))
{
using (Stream s = File.Open(path, FileMode.Open))
{
BinaryFormatter b = new BinaryFormatter();
Member mem = new Member();
mem = (Member)b.Deserialize(s);
this.txbId.Text = mem.Id;
this.txbName.Text = mem.Name;
this.txbTel.Text = mem.Tel;
this.txbAddress.Text = mem.Address;
}
}
}
protected void btnLoad_Click(object sender, EventArgs e)
{
if (this.ddlType.SelectedIndex == 0)
{
LoadFromDB();
}
else
{
LoadFromFile();
}
}
}
[Serializable]
public class Member
{
private string _id = string.Empty;
private string _name = string.Empty;
private string _tel = string.Empty;
private string _address = string.Empty;
public Member()
{
}
public Member(string id, string name,string tel,string address)
{
_id = id;
_name = name;
_tel = tel;
_address = address;
}
public string Id
{
get { return _id; }
set { _id = value; }
}
public string Name
{
get { return _name; }
set { _name = value; }
}
public string Tel
{
get { return _tel; }
set { _tel = value; }
}
public string Address
{
get { return _address; }
set { _address = value; }
}
}
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;
public partial class SerializingObjects : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btnAdd_Click(object sender, EventArgs e)
{
if (this.ddlType.SelectedIndex == 0)
{
SaveToDB();
}
else
{
SaveToFile();
}
}
//存至资料库(Binary Serialization)
protected void SaveToDB()
{
using (SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString))
{
using (MemoryStream ms = new MemoryStream())
{
conn.Open();
Member mem = new Member();
mem.Id = this.txbId.Text;
mem.Name = this.txbName.Text;
mem.Tel = this.txbTel.Text;
mem.Address = this.txbAddress.Text;
BinaryFormatter b = new BinaryFormatter();
b.Serialize(ms, mem);
ms.Seek(0, 0);
string sql = "insert into member values(@data)";
SqlCommand cmd = new SqlCommand(sql, conn);
cmd.Parameters.Add("@data", SqlDbType.Binary).Value = ms.ToArray();
cmd.ExecuteNonQuery();
}
}
}
//由资料库读取(Binary Serialization)
protected void LoadFromDB()
{
using (SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString))
{
using (MemoryStream ms = new MemoryStream())
{
conn.Open();
string sql = "select data from member";
SqlCommand cmd = new SqlCommand(sql, conn);
SqlDataAdapter adapter = new SqlDataAdapter(cmd);
DataTable dt = new DataTable();
adapter.Fill(dt);
if (dt.Rows.Count > 0)
{
byte[] buffer = (byte[])dt.Rows[dt.Rows.Count-1][0];
ms.Write(buffer, 0, buffer.Length);
ms.Seek(0, 0);
BinaryFormatter b = new BinaryFormatter();
Member mem = new Member();
mem = (Member)b.Deserialize(ms);
this.txbId.Text = mem.Id;
this.txbName.Text = mem.Name;
this.txbTel.Text = mem.Tel;
this.txbAddress.Text = mem.Address;
}
}
}
}
//存至档桉(Binary Serialization)
protected void SaveToFile()
{
string path = Server.MapPath("member.dat");
using (Stream s = File.Open(path, FileMode.Create))
{
Member mem = new Member();
mem.Id = this.txbId.Text;
mem.Name = this.txbName.Text;
mem.Tel = this.txbTel.Text;
mem.Address = this.txbAddress.Text;
BinaryFormatter b = new BinaryFormatter();
b.Serialize(s, mem);
}
}
//由档桉读取(Binary Serialization)
protected void LoadFromFile()
{
string path = Server.MapPath("member.dat");
if (File.Exists(path))
{
using (Stream s = File.Open(path, FileMode.Open))
{
BinaryFormatter b = new BinaryFormatter();
Member mem = new Member();
mem = (Member)b.Deserialize(s);
this.txbId.Text = mem.Id;
this.txbName.Text = mem.Name;
this.txbTel.Text = mem.Tel;
this.txbAddress.Text = mem.Address;
}
}
}
protected void btnLoad_Click(object sender, EventArgs e)
{
if (this.ddlType.SelectedIndex == 0)
{
LoadFromDB();
}
else
{
LoadFromFile();
}
}
}
[Serializable]
public class Member
{
private string _id = string.Empty;
private string _name = string.Empty;
private string _tel = string.Empty;
private string _address = string.Empty;
public Member()
{
}
public Member(string id, string name,string tel,string address)
{
_id = id;
_name = name;
_tel = tel;
_address = address;
}
public string Id
{
get { return _id; }
set { _id = value; }
}
public string Name
{
get { return _name; }
set { _name = value; }
}
public string Tel
{
get { return _tel; }
set { _tel = value; }
}
public string Address
{
get { return _address; }
set { _address = value; }
}
}
执行结果：
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发表于 2008-7-13 13:53:33
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