}
}
/// <summary>
/// 通过反射将取出的数据写入实体类(ORACLE测试通不过,需进行类型强制转换)
/// </summary>
/// <param name="model"></param>
/// <param name="cmdText"></param>
//public void GetModel(object model, string cmdText)
//{
// PropertyInfo propertyInfo;
// DbDataReader dr = ExecuteDataReader(conn, cmdText);
// while (dr.Read())
// {
// for (int i = 0; i < dr.FieldCount; i++)
// {
// propertyInfo = model.GetType().GetProperty(dr.GetName(i));
// if (propertyInfo != null)
// {
// if (dr.GetValue(i) != DBNull.Value)
// {
// //Type t = dr.GetValue(i).GetType();
// propertyInfo.SetValue(model, dr.GetValue(i), null);
// }
// }
// }
// }
// dr.Close();
// conn.Close();
//}
/// <summary>
/// 通过反射将数据绑定到实体对象，由于不同数据库对应于.NET的数据类型不一样
/// 需做强制类型转换
/// </summary>
/// <param name="model"></param>
/// <param name="cmdText"></param>
public void GetModel(object model, string cmdText)
{
PropertyInfo propertyInfo;
DbDataReader dr = ExecuteDataReader(conn, cmdText);
object _value;
while (dr.Read())
{
for (int i = 0; i < dr.FieldCount; i++)
{
propertyInfo = model.GetType().GetProperty(dr.GetName(i));
if (propertyInfo != null && dr.GetValue(i) != DBNull.Value)
{
switch (propertyInfo.PropertyType.ToString())
{
case "System.String":
{
_value = Convert.ToString(dr.GetValue(i));//字符串是全球通用类型，也可以不用转换
propertyInfo.SetValue(model, _value, null);
}break;
case "System.Int32":
{
_value = Convert.ToInt32(dr.GetValue(i));
propertyInfo.SetValue(model, _value, null);
} break;
case "System.Single":
{
_value = Convert.ToSingle(dr.GetValue(i));
propertyInfo.SetValue(model, _value, null);
} break;
case "System.Decimal":
{
_value = Convert.ToDecimal(dr.GetValue(i));
propertyInfo.SetValue(model, _value, null);
} break;
case "System.Double":
{
_value = Convert.ToDouble(dr.GetValue(i));
propertyInfo.SetValue(model, _value, null);
} break;
case "":
{
_value = Convert.ToDateTime(dr.GetValue(i));
propertyInfo.SetValue(model, _value, null);
} break;
default: break;
}
}
}
}
dr.Close();
conn.Close();
}
/// <summary>
/// 根据不同的数据库命令对象返回该类型数据库参数的前缀格式化字符串
/// </summary>
/// <param name="command"></param>
/// <returns></returns>
private string GetParameterFormat(DbCommand command)
{
if (!ParametersFormat.ContainsKey(command.GetType()))
{
this.Open();//读取参数前缀时需打开数据库连接
ParametersFormat.Add(
command.GetType(),
command.Connection.GetSchema("DataSourceInformation")
