C# WinForm 实现增删改查等功能(Access版) 系列之七-图片处理

图片处理模块设计与实现

/// <summary>

/// 获得上传图片的图片名称

/// </summary>

/// <param name="txtName"></param>

/// <returns></returns>

public string getStrOfPictureBox(string txtName)

{

string strpictrue = "";

string name = txtName;

OleDbConnection conn = GetConnection();

string sqlText = "select 图片 from MResume where 姓名=@name order by id asc";

OleDbCommand cmd = new OleDbCommand(sqlText, conn);

cmd.Parameters.AddWithValue("@name", name);

try

{

conn.Open();

OleDbDataReader reader = cmd.ExecuteReader();

if (reader.Read())

{

if (!reader[0].ToString().Equals("0") && reader[0].ToString()!="" && reader[0].ToString()!=null)

{

strpictrue = reader[0].ToString();

}

else

{

strpictrue = Application.StartupPath + "\\Image\\nophoto.jpg";

}

}

/*DataTable dt = new DataTable();

OleDbDataAdapter oda = new OleDbDataAdapter(sqlText, conn);

oda.Fill(dt);

dataGridView1.DataSource = dt;

*/

}

catch (Exception ex)

{

MessageBox.Show(ex.ToString());

}

finally

{

conn.Close();

}

return strpictrue;

}

打开对话框，选择图片，上传图片

/// <summary>

/// UploadImages

/// </summary>

/// <param name="sender"></param>

/// <param name="e"></param>

private void button1_Click(object sender, EventArgs e)

{

//本方法来源于Spirit's Home http://www.7788sky.cn/,原文地址：http://www.7788sky.cn/post/csharp_winform_upload_image.html

// openFileDialog1.Filter = "All files (*.*)|*.*|jpg files (*.jpg)|*.jpg";

openFileDialog1.Filter = "jpg files (*.jpg)|*.jpg";

DialogResult dr = openFileDialog1.ShowDialog();

if (dr == DialogResult.OK)

{

string image = openFileDialog1.FileName;

string picpath = openFileDialog1.FileName;

DateTime dt1 = new DateTime(1970, 1, 1);

TimeSpan ts = DateTime.Now - dt1;

timeStamp = (long)ts.TotalMilliseconds;

//string id = DateTime.Now.Millisecond.ToString();

picPerson.Image = Image.FromFile(image);

File.Copy(openFileDialog1.FileName, Application.StartupPath + "\\Image\\" + timeStamp.ToString() + ".jpg");

lblImage.Text = timeStamp.ToString(); //设置图片字符串

}

}