学步园

任何文件存入ORACLE数据库

可以做为ＣＳ程序更新客户端版本的一种解决办法，我自己用过，只要能连接数据库，就能下载新的版本。很实用。

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data.OleDb;

namespace 文件上传保存到Oracle数据库
{
 /// <summary>
 /// Form1 的摘要说明。
 /// </summary>
 public class Form1 : System.Windows.Forms.Form
 {
  private System.Windows.Forms.Button button1;
  private System.Windows.Forms.Button button2;
  private System.Windows.Forms.Label label1;
  private System.Windows.Forms.TextBox textBox1;
  private System.Windows.Forms.Button button3;
  public static readonly string Connstr ="Provider=MSDAORA;User ID=yspj;Data Source=aaa;Password=bbb;";
 
  /// <summary>
  /// 必需的设计器变量。
  /// </summary>
  private System.ComponentModel.Container components = null;

  public Form1()
  {
   //
   // Windows 窗体设计器支持所必需的
   //
   InitializeComponent();

   //
   // TODO: 在 InitializeComponent 调用后添加任何构造函数代码
   //
  }

  /// <summary>
  /// 清理所有正在使用的资源。
  /// </summary>
  protected override void Dispose( bool disposing )
  {
   if( disposing )
   {
    if (components != null)
    {
     components.Dispose();
    }
   }
   base.Dispose( disposing );
  }

  #region Windows 窗体设计器生成的代码
  /// <summary>
  /// 设计器支持所需的方法 - 不要使用代码编辑器修改
  /// 此方法的内容。
  /// </summary>
  private void InitializeComponent()
  {
   this.button1 = new System.Windows.Forms.Button();
   this.button2 = new System.Windows.Forms.Button();
   this.label1 = new System.Windows.Forms.Label();
   this.textBox1 = new System.Windows.Forms.TextBox();
   this.button3 = new System.Windows.Forms.Button();
   this.SuspendLayout();
   //
   // button1
   //
   this.button1.Location = new System.Drawing.Point(448, 64);
   this.button1.Name = "button1";
   this.button1.Size = new System.Drawing.Size(48, 23);
   this.button1.TabIndex = 0;
   this.button1.Text = "浏览";
   //
   // button2
   //
   this.button2.Location = new System.Drawing.Point(112, 184);
   this.button2.Name = "button2";
   this.button2.TabIndex = 1;
   this.button2.Text = "上传";
   this.button2.Click += new System.EventHandler(this.button2_Click);
   //
   // label1
   //
   this.label1.Location = new System.Drawing.Point(8, 32);
   this.label1.Name = "label1";
   this.label1.TabIndex = 2;
   this.label1.Text = "label1";
   //
   // textBox1
   //
   this.textBox1.Location = new System.Drawing.Point(40, 64);
   this.textBox1.Name = "textBox1";
   this.textBox1.Size = new System.Drawing.Size(400, 21);
   this.textBox1.TabIndex = 3;
   this.textBox1.Text = "textBox1";
   //
   // button3
   //
   this.button3.Location = new System.Drawing.Point(304, 184);
   this.button3.Name = "button3";
   this.button3.TabIndex = 4;
   this.button3.Text = "关闭";
   //
   // Form1
   //
   this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
   this.ClientSize = new System.Drawing.Size(504, 266);
   this.Controls.Add(this.button3);
   this.Controls.Add(this.textBox1);
   this.Controls.Add(this.label1);
   this.Controls.Add(this.button2);
   this.Controls.Add(this.button1);
   this.Name = "Form1";
   this.Text = "Form1";
   this.ResumeLayout(false);

  }
  #endregion

  /// <summary>
  /// 应用程序的主入口点。
  /// </summary>
  [STAThread]
  static void Main()
  {
   Application.Run(new Form1());
  }
/// <summary>
/// 上传文件
  /// create table BILL_UPDATEBAK
//  (
//  FILEID   NUMBER not null,
//  FILENAME VARCHAR2(60),
//  FILESAVE BLOB,
//   VERSION  NUMBER,
//   ADDTIME  DATE,
//   ADDIP    VARCHAR2(40)
//  )
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
  private void button2_Click(object sender, System.EventArgs e)
  {
  System.Data.OleDb.OleDbConnection Conn=new OleDbConnection(Connstr);

   System.IO.FileStream MyFs1=new System.IO.FileStream("RailWay.EXE", System.IO.FileMode.Open, System.IO.FileAccess.Read);
   byte[] MyData= new byte[MyFs1.Length];
   
   MyFs1.Read(MyData, 0, System.Convert.ToInt32(MyFs1.Length));
   MyFs1.Close();
   
   string sqlstr="insert into bill_updatebak(FILENAME) values(@FILENAME)";
  

   string aaa=OracleTask.OraHelper.GetID("Bill_FileID");
 
   System.Data.OleDb.OleDbCommand cmd=new OleDbCommand(sqlstr,Conn);
   cmd.Parameters.Clear();

   cmd.Parameters.Add("@FILENAME",System.Data.OleDb.OleDbType.VarChar);
   cmd.Parameters["@FILENAME"].Value="RailWayEXE";

   try
   {
    if (Conn.State != ConnectionState.Open)
    {
     Conn.Open();
    }
    cmd.ExecuteNonQuery();
    MessageBox.Show("文件上传成功！！！");
   
   }
   catch
   {
    MessageBox.Show("连接数据库失败");
   }

  }

 }
}