private void btnOK_Click(object sender, EventArgs e)
{
// 准备照片数据
byte[] b = null;
if (txtFilePath != "") // 文件路径
{
try
{
Bitmap bmp = new Bitmap(txtFilePath); // 图片位图件
MemoryStream fs = new MemoryStream(); // 内存流
bmp.Save(fs, System.Drawing.Imaging.ImageFormat.Gif); // 图像保存到内存流
b = new byte[fs.Length]; // 定义 内存流长度的 字节数组
fs.Position = 0;
fs.Read(b, 0, (int)fs.Length); // 内存流 读取到 字节数组
fs.Close();
//FileStream fs = new FileStream(txtFilePath, FileMode.Open, FileAccess.Read);
//int len = Convert.ToInt32(fs.Length);
//b = new byte[len];
//fs.Read(b, 0, len);
//fs.Close();
}
catch
{
b = null;
}
}
// 更新数据
try
{
if (txtFilePath != "" )
{
sql = "update t_user set Photo=@Photo where CID=" + ID.ToString();
MySqlParameter []parm = new MySqlParameter[1];
parm[0] = new MySqlParameter();
parm[0].ParameterName = "@Photo";
parm[0].MySqlDbType = MySqlDbType.Binary; // 二进制数据
parm[0].Value = b;
DBHelper.ExcuteSQL(sql, parm, CommandType.Text);
}
}
catch (Exception e)
{
MessageBox.Show(e.Message, "保存失败", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}