//加载本地指纹库到内存中
private int LocalDbToMemory()
{
string _sql = "select * from template where 1=1";
OleDbDataReader reader = ldb.ReadList(_sql);
while (reader.Read())
{
//判断template_9,base64字符串是否为空，如果为空就跳过
if (reader[4] is DBNull)
{
continue;
}
string t0 = reader[0].ToString(); //1305531011,1508335369，autoid
string t1 = reader[1].ToString(); //122 ,userid //登记的ID
string t2 = reader[2].ToString(); //6 ,fingerindex,哪根手指
string t3 = reader[3].ToString(); //空 template_10,算法10得到的指纹图片
string t4 = reader[4].ToString(); //base64字符串 template_9 算法9得到的指纹图片
//转换成可读
int autoid = (int)reader[0];
byte[] tmp = Convert.FromBase64String(t4);
//axZKFPEngX1.AddRegTemplateToFPCacheDB(fpcHandle, autoid, tmp);
zkfp2.DBAdd(mDBHandle, autoid, tmp);//将本地数据库的指纹，添加进内存中识别
cbRegTmp++;
//MessageBox.Show(t0 + "," + t1 + "," + t2 + "," + t3 + "," + t4 + "," + tmp, "提示");
}
ldb.Close();
return(cbRegTmp);
}
private void GetList()
{
//构建表头
this.listView1.Clear();
this.listView1.Columns.Add("指纹编号", 120, HorizontalAlignment.Left);
this.listView1.Columns.Add("用户编号", 100, HorizontalAlignment.Left);
this.listView1.Columns.Add("真实姓名", 100, HorizontalAlignment.Left);
this.listView1.Columns.Add("手指编号", 100, HorizontalAlignment.Left);
this.listView1.Columns.Add("template_10", 80, HorizontalAlignment.Left);
this.listView1.Columns.Add("template_9", 80, HorizontalAlignment.Left);
/*
* // The View property must be set to Details for the
* // subitems to be visible.
* myListView.View = View.Details;
* 加了下面这句，才能够看到
*/
this.listView1.View = System.Windows.Forms.View.Details; //SmallIcon
this.listView1.LabelEdit = true; //允许用户编辑文本项。
this.listView1.GridLines = true; //显示行列的网格线。
this.listView1.FullRowSelect = true; //选择一整行,请将ListView 的 FullRowSelect 属性设置为true
string _sql = "select * from template where 1=1";
OleDbDataReader reader = ldb.ReadList(_sql);
//解析出图片，存入ImageList中
//ImageList imageListSmall = new ImageList(); //产生图像对象
//imageListSmall.ImageSize = new Size(200, 200);
//imageListSmall.Images.Clear();
int i = 0;
while (reader.Read())
{
//判断template_9,base64字符串是否为空，如果为空就跳过
if (reader[4] is DBNull)
{
continue;
}
string t0 = reader[0].ToString(); //1305531011,1508335369，autoid
string t1 = reader[1].ToString(); //122 ,userid //登记的ID,reader["code"].ToString();
string t2 = reader[2].ToString(); //6 ,fingerindex,哪根手指
string t3 = reader[3].ToString(); //空 template_10,算法10得到的指纹图片
string t4 = reader[4].ToString(); //base64字符串 template_9 算法9得到的指纹图片
string t5 = reader[5].ToString(); //真实姓名
//转换成可读
int autoid = (int)reader[0];
switch (t2.Trim())
{
case "0": t2 = "左手小拇指"; break;
case "1": t2 = "左手无名指"; break;
case "2": t2 = "左手中指"; break;
case "3": t2 = "左手食指"; break;
case "4": t2 = "左手大拇指"; break;
case "5": t2 = "右手大拇指"; break;
case "6": t2 = "右手食指"; break;
case "7": t2 = "右手中指"; break;
case "8": t2 = "右手无名指"; break;
case "9": t2 = "右手小拇指"; break;
default: t2 = "左手小拇指"; break;
}
//listView中的ImageList追加成图片
/*byte[] tmp = Convert.FromBase64String(t4);
* //byte[] tmp = zkfp2.Base64ToBlob(t4);
* MemoryStream ms = new MemoryStream();
* BitmapFormat.GetBitmap(tmp, 100, 100, ref ms);
* Bitmap bmp = new Bitmap(ms);
* this.imageList1.Images.Add(bmp);*/
//构建一个ListView的数据，存入数据库数据，以便添加到listView1的行数据中
ListViewItem lt = new ListViewItem(); //一行数据
lt.ImageIndex = 0; //0就是imagelist的第一个图片，以此类推
lt.Text = t0;
lt.SubItems.Add(t1); //lvi.SubItems.Add("第2列,第"+i+"行");
lt.SubItems.Add(t5);
lt.SubItems.Add(t2);
lt.SubItems.Add(t3);
lt.SubItems.Add(t4);
this.listView1.Items.Add(lt);
i++;
}
this.listView1.EndUpdate(); //结束数据处理，UI界面一次性绘制。
ldb.Close();
}