/// <summary>
/// 获取所有导出部件
/// </summary>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public List <T> GetPlugins <T>()
{
IEnumerable <T> temp = null;
try
{
if (container != null)
{
if (string.IsNullOrEmpty(PluginName))
{
temp = container.GetExportedValues <T>();
if (temp == null || temp.Count() == 0)
{
throw new Exception("类型为：" + typeof(T).Name + "没有找到导出对象");
}
}
else
{
temp = container.GetExportedValues <T>(PluginName);
if (temp == null || temp.Count() == 0)
{
throw new Exception("类型为：" + typeof(T).Name + "没有找到指定协定名称为" + PluginName + "的导出对象");
}
}
}
if (temp != null && temp.Count() > 0)
{
return(temp.ToList());
}
else
{
throw new Exception("获取插件：" + typeof(T).Name + "失败");
}
}
catch (Exception ex)
{
CYFLog.WriteLog(ex.Message);
CYFLog.WriteLog("尝试获取默认部件");
try
{
temp = container.GetExportedValues <T>();
if (temp == null || temp.Count() == 0)
{
throw new Exception("尝试获取默认部件失败");
}
else
{
return(temp.ToList());
}
}
catch (Exception ex2)
{
throw ex2;
}
}
}
public CYFSqlDALHelper(string sqlConnectionStr)
{
try
{
conn = new SqlConnection(sqlConnectionStr);
connectionStr = conn.ConnectionString;
}
catch (Exception ex)
{
CYFLog.WriteLog(CYFLog.LogFile.Exception, ex.Message);
}
}
/// <summary>
/// 执行命令返回DataSet
/// </summary>
/// <param name="cmd"></param>
/// <returns></returns>
private DataSet ExecuteSql(SqlCommand cmd)
{
try
{
DataSet ds = new DataSet();
//记录数据操作语句
//new Logger.clsLogText().Log2File(string.Format("{0} {1} \r\n{2}", DateTime.Now.ToString(), "ExecuteSql", cmd.CommandText));
if (this.Trans != null)
{
if (this.Trans.Connection == null)
{
throw new InvalidOperationException("事务已终止，已无法再使用");
}
if (this.Connection.State == ConnectionState.Closed)
{
this.Connection.Open();
}
cmd.Connection = this.Connection;
cmd.Transaction = this.Trans;
cmd.CommandType = CommandType.StoredProcedure;
SqlDataAdapter da = new SqlDataAdapter();
da.SelectCommand = cmd;
CYFLog.WriteLog(CYFLog.LogFile.SQL, cmd.CommandText);
da.Fill(ds);
}
else
{
using (SqlConnection sqlcon = new SqlConnection(this.ConnectionString))
{
if (sqlcon.State == ConnectionState.Closed)
{
sqlcon.Open();
}
cmd.Connection = sqlcon;
cmd.CommandType = CommandType.StoredProcedure;
SqlDataAdapter da = new SqlDataAdapter();
da.SelectCommand = cmd;
CYFLog.WriteLog(CYFLog.LogFile.SQL, cmd.CommandText);
da.Fill(ds);
}
}
return(ds);
}
catch
{
throw;
}
}
/// <summary>
/// 执行命令返回DataTable
/// </summary>
/// <param name="cmd"></param>
/// <returns></returns>
public System.Data.DataTable GetTable(System.Data.SqlClient.SqlCommand cmd)
{
try
{
//记录数据操作语句
//new Logger.clsLogText().Log2File(string.Format("{0} {1} \r\n{2}", DateTime.Now.ToString(), "GetTable", cmd.CommandText));
DataTable dt = new DataTable();
if (this.Trans != null)
{
if (this.Trans.Connection == null)
{
throw new InvalidOperationException("事务已终止，已无法再使用");
}
if (this.Connection.State == ConnectionState.Closed)
{
this.Connection.Open();
}
cmd.Connection = this.Connection;
cmd.Transaction = this.Trans;
SqlDataAdapter da = new SqlDataAdapter();
da.SelectCommand = cmd;
CYFLog.WriteLog(CYFLog.LogFile.SQL, cmd.CommandText);
da.Fill(dt);
}
else
{
using (SqlConnection sqlcon = new SqlConnection(this.ConnectionString))
{
if (sqlcon.State == ConnectionState.Closed)
{
sqlcon.Open();
}
cmd.Connection = sqlcon;
SqlDataAdapter da = new SqlDataAdapter();
da.SelectCommand = cmd;
CYFLog.WriteLog(CYFLog.LogFile.SQL, cmd.CommandText);
da.Fill(dt);
}
}
return(dt);
}
catch
{
throw;
}
}
/// <summary>
/// 执行命令返回DataTable，可以通过Parameters添加参数
/// </summary>
/// <param name="cmd"></param>
/// <returns></returns>
public DataTable ExecuteGetDataTable(SqlCommand cmd)
{
DataTable dt = new DataTable();
try
{
if (this.trans == null)
{
using (SqlConnection connection = new SqlConnection(this.connectionStr))
{
if (connection.State == ConnectionState.Closed)
{
connection.Open();
}
cmd.Connection = connection;
AddParameters(cmd);
SqlDataAdapter sda = new SqlDataAdapter(cmd);
sda.Fill(dt);
CYFLog.WriteLog(CYFLog.LogFile.SQL, cmd.CommandText);
return(dt);
}
}
else
{
if (this.trans.Connection == null)
{
throw new Exception("连接已经关闭，无法执行SQL");
}
if (this.conn.State == ConnectionState.Closed)
{
this.conn.Open();
}
cmd.Connection = this.conn;
cmd.Transaction = this.trans;
AddParameters(cmd);
SqlDataAdapter sda = new SqlDataAdapter(cmd);
sda.Fill(dt);
CYFLog.WriteLog(CYFLog.LogFile.SQL, cmd.CommandText);
return(dt);
}
}
catch (Exception ex)
{
CYFLog.WriteLog(ex.Message);
throw ex;
}
}
private CYFDALConfig()
{
string tempStr = string.Empty;
if (ConfigurationManager.AppSettings.AllKeys.Contains("ConnectionString"))
{
tempStr = ConfigurationManager.AppSettings["ConnectionString"];
}
if (string.IsNullOrEmpty(tempStr))
{
CYFLog.WriteLog("没有在配置中初始化ConnectionString");
}
else
{
_connectionStr = tempStr;
}
}
/// <summary>
/// 执行命令返回第一行第一个值
/// </summary>
/// <param name="cmd"></param>
/// <returns></returns>
public object ExecuteScalar(SqlCommand cmd)
{
try
{
//记录数据操作语句
//new Logger.clsLogText().Log2File(string.Format("{0} {1} \r\n{2}", DateTime.Now.ToString(), "ExecuteScalar", cmd.CommandText));
object obj = null;
if (this.Trans != null)
{
if (this.Trans.Connection == null)
{
throw new InvalidOperationException("事务已终止，已无法再使用");
}
if (this.Connection.State == ConnectionState.Closed)
{
this.Connection.Open();
}
cmd.Connection = this.Connection;
cmd.Transaction = this.Trans;
CYFLog.WriteLog(CYFLog.LogFile.SQL, cmd.CommandText);
obj = cmd.ExecuteScalar();
}
else
{
using (SqlConnection sqlcon = new SqlConnection(this.ConnectionString))
{
if (sqlcon.State == ConnectionState.Closed)
{
sqlcon.Open();
}
cmd.Connection = sqlcon;
CYFLog.WriteLog(CYFLog.LogFile.SQL, cmd.CommandText);
obj = cmd.ExecuteScalar();
}
}
return(obj);
}
catch
{
throw;
}
}
/// <summary>
/// 执行命令，返回影响行数
/// </summary>
/// <param name="cmd"></param>
/// <returns></returns>
public int ExecuteNonQuery(SqlCommand cmd)//执行时共享同一个事务
{
try
{
//记录数据操作语句
int result;
if (this.Trans != null)
{
if (this.Trans.Connection == null)
{
throw new InvalidOperationException("事务已终止，已无法再使用");
}
if (this.Connection.State == ConnectionState.Closed)
{
this.Connection.Open();
}
cmd.Connection = this.Connection;
cmd.Transaction = this.Trans;
CYFLog.WriteLog(CYFLog.LogFile.SQL, cmd.CommandText);
result = cmd.ExecuteNonQuery();
}
else
{
using (SqlConnection sqlcon = new SqlConnection(this.ConnectionString))
{
if (sqlcon.State == ConnectionState.Closed)
{
sqlcon.Open();
}
cmd.Connection = sqlcon;
CYFLog.WriteLog(CYFLog.LogFile.SQL, cmd.CommandText);
result = cmd.ExecuteNonQuery();
}
}
return(result);
}
catch
{
throw;
}
}
/// <summary>
/// 执行命令返回影响行数
/// </summary>
/// <param name="cmd"></param>
/// <returns></returns>
public int ExecuteNonQuery(SqlCommand cmd)
{
try
{
if (this.trans == null)
{
using (SqlConnection connection = new SqlConnection(this.connectionStr))
{
if (connection.State == System.Data.ConnectionState.Closed)
{
connection.Open();
}
cmd.Connection = connection;
AddParameters(cmd);
CYFLog.WriteLog(CYFLog.LogFile.SQL, cmd.CommandText);
return(cmd.ExecuteNonQuery());
}
}
else
{
if (this.trans.Connection == null)
{
throw new Exception("连接已经关闭");
}
if (this.trans.Connection.State == System.Data.ConnectionState.Closed)
{
this.trans.Connection.Open();
}
cmd.Connection = this.trans.Connection;
cmd.Transaction = this.trans;
AddParameters(cmd);
CYFLog.WriteLog(CYFLog.LogFile.SQL, cmd.CommandText);
return(cmd.ExecuteNonQuery());
}
}
catch (Exception ex)
{
throw ex;
}
}