public void LoadSetting(string filename)
{
try
{
using (BinaryReader br = new BinaryReader(new FileStream(filename, FileMode.Open, FileAccess.Read)))
{
int len = 0; //待读取的文件长度
byte[] value = null; //缓冲数据
string assemblyName = string.Empty;
List<string> files = new List<string>();
len = br.ReadInt32(); //读取反射类全名类型
value = br.ReadBytes(len);
assemblyName = Encoding.UTF8.GetString(value);
if (_ilsc == null)
{
if (LinkManagementClass.Default.Items.ContainsKey(assemblyName) && File.Exists (LinkManagementClass.Default.Items[assemblyName].AssemblyFileName))
{
Assembly a = Assembly.LoadFile(LinkManagementClass.Default.Items[assemblyName].AssemblyFileName);
_ilsc = (ILinkStringCreate)a.CreateInstance(assemblyName);
_ilsc.SetItemData += new SetItemDataHandler(_ilsc_SetItemData);
}
else
{
return;
}
}
len = br.ReadInt32();
_ilsc.Load(br.BaseStream,len);
ReloadItemValue();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
/// <summary>
/// 加载数据库配置信息
/// </summary>
/// <param name="setfilename">配置文件名</param>
/// <returns></returns>
public bool Load_ILinkStringCreate(string setfilename)
{
if (!File.Exists(setfilename))
{
return false;
}
string filenamea = string.Empty, filenameb = string.Empty;
Assembly a = null;
Type tc = null;
#if(INTERFACE_ON ==false )
MethodInfo mi_sub_invoke = null;
object ma = null;
bool result = false; //发射执行的结果
#endif
try
{
FileInfo fi = new FileInfo(setfilename);
using (BinaryReader br = new BinaryReader(new FileStream(setfilename, FileMode.Open, FileAccess.Read)))
{
int len = 0; //待读取的文件长度
byte[] value = null; //缓冲数据
long index = 0;
string nameSpacestr = null; //等待处理的命名空间名.类名
//读取数据库库设置类库文件名
//读取反射类全名类型
len = br.ReadInt32();
value = br.ReadBytes(len);
nameSpacestr = Encoding.UTF8.GetString(value);
if (LinkManagementClass.Default.Items.ContainsKey(nameSpacestr) && File.Exists(LinkManagementClass.Default.Items[nameSpacestr].AssemblyFileName))
{
a = Assembly.LoadFile(LinkManagementClass.Default.Items[nameSpacestr].AssemblyFileName);
}
else
{
return false;
}
len = br.ReadInt32();// 读取配置存储信息长度
index = br.BaseStream.Position; //记录当前读取位置，
//实施反射实例创建
tc = a.GetType(nameSpacestr);
#if(INTERFACE_ON )
_ilsc = a.CreateInstance(nameSpacestr) as ILinkStringCreate;
if (!_ilsc.Load(br.BaseStream, len))
{
return false;
}
if (!_ilsc.Checked())
{
return false;
}
//取得数据连接实例
this._Idbcon = _ilsc.GetDbConnection();
//取得DBCommand实例
this._Idbcmd = _ilsc.GetDbCommand();
this._DA = _ilsc.GetDbDataAdapter(); ;
this._DA.SelectCommand = this._Idbcmd;
this._linksummary = _ilsc.LinkSummary;
return true;
#else
ma = a.CreateInstance(nameSpacestr);
_ilsc =(ILinkStringCreate ) ma;
//建立配置读取反射
mi_sub_invoke = tc.GetMethod("Load");
//执行，取得读取结果
result = (bool)mi_sub_invoke.Invoke(ma, new object[] { br.BaseStream, len });
if (!result)
return false;//信息读取失败
mi_sub_invoke = tc.GetMethod("Checked");
result = (bool)mi_sub_invoke.Invoke(ma, new object[] { });
if (!result)
return false;
//取得数据连接实例
mi_sub_invoke = tc.GetMethod("GetDbConnection");
this._Idbcon = (DbConnection)mi_sub_invoke.Invoke(ma, new object[] { });
//取得DBCommand实例
mi_sub_invoke = tc.GetMethod("GetDbCommand");
this._Idbcmd = (DbCommand)mi_sub_invoke.Invoke(ma, new object[] { });
mi_sub_invoke = tc.GetMethod("GetDbDataAdapter");
this._DA = (DbDataAdapter)mi_sub_invoke.Invoke(ma, new object[] { });
this._DA.SelectCommand = _Idbcmd;
mi_sub_invoke = tc.GetMethod("GetDbCommandBuilder");
this._ldbcbuid = (DbCommandBuilder )mi_sub_invoke.Invoke(ma, new object[] { });
mi_sub_invoke = tc.GetMethod("get_LinkSummary");
this._linksummary = (string)mi_sub_invoke.Invoke(ma, new object[] { });
return result;
#endif
}//end binaryreader
}
catch
{
this._DA = null;
this._Idbcmd = null;
this._Idbcon = null;
}
finally
{
a = null;
#if (INTERFACE_ON ==false)
mi_sub_invoke = null;
ma = null;
#endif
tc = null;
}
return false;
}
