nbsp; this.txtFilePath = new System.Windows.Forms.TextBox();
this.btnUpload = new System.Windows.Forms.Button();
this.groupBox2 = new System.Windows.Forms.GroupBox();
this.ImgPictureBox = new System.Windows.Forms.PictureBox();
this.btnDownLoad = new System.Windows.Forms.Button();
this.MySqlCon = new System.Data.SqlClient.SqlConnection();
this.labDescription = new System.Windows.Forms.Label();
this.txtImage = new System.Windows.Forms.TextBox();
this.groupBox1.SuspendLayout();
this.groupBox2.SuspendLayout();
this.SuspendLayout();
//
// labFilePath
//
this.labFilePath.Location = new System.Drawing.Point(8, 72);
this.labFilePath.Name = "labFilePath";
this.labFilePath.Size = new System.Drawing.Size(80, 16);
this.labFilePath.TabIndex = 0;
this.labFilePath.Text = "文件路径:";
this.labFilePath.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
//
// groupBox1
//
this.groupBox1.Controls.Add(this.txtImage);
this.groupBox1.Controls.Add(this.labDescription);
this.groupBox1.Controls.Add(this.btnUpload);
this.groupBox1.Controls.Add(this.txtFilePath);
this.groupBox1.Controls.Add(this.labFilePath);
this.groupBox1.Location = new System.Drawing.Point(8, 8);
this.groupBox1.Name = "groupBox1";
this.groupBox1.Size = new System.Drawing.Size(280, 128);
this.groupBox1.TabIndex = 1;
this.groupBox1.TabStop = false;
this.groupBox1.Text = "文件上传给数据库";
//
// txtFilePath
//
this.txtFilePath.Location = new System.Drawing.Point(72, 64);
this.txtFilePath.Name = "txtFilePath";
this.txtFilePath.Size = new System.Drawing.Size(200, 21);
this.txtFilePath.TabIndex = 1;
this.txtFilePath.Text = "";
//
// btnUpload
//
this.btnUpload.Location = new System.Drawing.Point(192, 96);
this.btnUpload.Name = "btnUpload";
this.btnUpload.TabIndex = 2;
this.btnUpload.Text = "开始上传";
this.btnUpload.Click += new System.EventHandler(this.btnUpload_Click);
//
// groupBox2
//
this.groupBox2.Controls.Add(this.btnDownLoad);
this.groupBox2.Controls.Add(this.ImgPictureBox);
this.groupBox2.Location = new System.Drawing.Point(8, 144);
this.groupBox2.Name = "groupBox2";
this.groupBox2.Size = new System.Drawing.Size(280, 200);
this.groupBox2.TabIndex = 2;
this.groupBox2.TabStop = false;
this.groupBox2.Text = "从数据库下载图像文件并预览图像";
//
// ImgPictureBox
//
this.ImgPictureBox.Location = new System.Drawing.Point(16, 24);
this.ImgPictureBox.Name = "ImgPictureBox";
this.ImgPictureBox.Size = new System.Drawing.Size(168, 160);
this.ImgPictureBox.SizeMode = System.Windows.Forms.PictureBoxSizeMode.StretchImage;
this.ImgPictureBox.TabIndex = 0;
this.ImgPictureBox.TabStop = false;
//
// btnDownLoad
//
this.btnDownLoad.Location = new System.Drawing.Point(192, 24);
this.btnDownLoad.Name = "btnDownLoad";
this.btnDownLoad.TabIndex = 1;
this.btnDownLoad.Text = "开始下载";
this.btnDownLoad.Click += new System.EventHandler(this.btnDownLoad_Click);
//
// MySqlCon 数据库的连接对象
//
this.MySqlCon.ConnectionString = "integrated security=SSPI;data source=.;persist security info=False;initial catalog=ezonedb";
//
// labDescription
//
this.labDescription.Location = new System.Drawing.Point(8, 32);
this.labDescription.Name = "labDescription";
this.labDescription.Size = new System.Drawing.Size(88, 16);
this.labDescription.TabIndex = 3;
this.labDescription.Text = "文件描述信息:";
this.labDescription.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
//
// txtImage
//
this.txtImage.Location = new System.Drawing.Point(96, 24);
this.txtImage.Name = "txtImage";
this.txtImage.Size = new System.Drawing.Size(176, 21);
this.txtImage.TabIndex = 4;
this.txtImage.Text = "亿众国际 Ezone International";
//
// frmMain
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(292, 349);
this.Controls.Add(this.groupBox2);
this.Controls.Add(this.groupBox1);
this.Name = "frmMain";
this.Text = "Ezone International - 亿众国际";
this.groupBox1.ResumeLayout(false);
this.groupBox2.ResumeLayout(false);
this.ResumeLayout(false);
}
[STAThread]
static void Main()
{
Application.Run(new frmMain());
}
private void btnUpload_Click(object sender, System.EventArgs e)
{
try
{
//用文件的路径信息创建一个文件对象
FileInfo MyPicture=new FileInfo(this.txtFilePath.Text);
//检查文件的存在性
if(!MyPicture.Exists)
{
MessageBox.Show("文件不存在!");
}
else
{
//检查文件的扩展名,如果不符合要求就返回
switch(MyPicture.Extension.ToUpper())
{
case ".JPG":this.UpLoadImageFile(MyPicture);break;
case ".GIF":this.UpLoadImageFile(MyPicture);break;
case ".BMP":this.UpLoadImageFile(MyPicture);break;
default:MessageBox.Show("文件类型不正确!");break;
}
}
}
catch
{
MessageBox.Show("文件路径信息不正确!");
}
}
/// <summary>
/// 向数据库写入图像文件
/// </summary>
private void UpLoadImageFile(FileInfo obj)
{
try
{
//创建一字节数组,用来存储图像文件.(数组的长度是图像文件的长度)
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