/// <summary>
/// 对象参数转换DbParameter
/// </summary>
/// <returns></returns>
public static DbParameter[] GetParameter(Hashtable ht)
{
IList <DbParameter> parameter = new List <DbParameter>();
DbType dbtype = new DbType();
foreach (string key in ht.Keys)
{
if (ht[key] is DateTime)
{
dbtype = DbType.DateTime;
}
else
{
dbtype = DbType.String;
}
parameter.Add(DbParameters.CreateDbParameter(DbParameters.CreateDbParmCharacter() + key, ht[key], dbtype));
}
return(parameter.ToArray());
}
/// <summary>
/// 对象参数转换DbParameter
/// </summary>
/// <returns></returns>
public static DbParameter[] GetParameter <T>(T entity)
{
IList <DbParameter> parameter = new List <DbParameter>();
DbType dbtype = new DbType();
Type type = entity.GetType();
PropertyInfo[] props = type.GetProperties();
foreach (PropertyInfo pi in props)
{
if (pi.GetValue(entity, null) != null)
{
switch (pi.PropertyType.ToString().ToLower())
{
case "system.nullable`1[system.int32]":
dbtype = DbType.Int32;
break;
case "system.nullable`1[system.decimal]":
dbtype = DbType.Decimal;
break;
case "system.nullable`1[system.datetime]":
dbtype = DbType.DateTime;
break;
case "system.nullable`1[system.int64]":
dbtype = DbType.Int64;
break;
case "system.nullable`1[system.boolean]":
dbtype = DbType.Boolean;
break;
default:
dbtype = DbType.String;
break;
}
parameter.Add(DbParameters.CreateDbParameter(DbParameters.CreateDbParmCharacter() + pi.GetMappingAttributeName(), pi.GetValue(entity, null), dbtype));
}
}
return(parameter.ToArray());
}
/// <summary>
/// 执行存储过程 存储过程必须带Out的Out_Res参数
/// </summary>
/// <param name="dbConnection">连接</param>
/// <param name="storedProcName">存储过程名称</param>
/// <param name="parameters">入参数</param>
/// <returns>Out_Res为Out参数的执行结果</returns>
public static object ExecuteByProc(IDbConnection dbConnection, string storedProcName, DbParameter[] parameters, out int rowsAffected)
{
try
{
using (IDbConnection conn = dbConnection)
{
using (IDbCommand cmd = conn.CreateCommand())
{
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = storedProcName;
if (conn.State != ConnectionState.Open)
{
conn.Open();
}
if (parameters != null)
{
parameters = DbParameters.ToDbParameter(parameters);
foreach (var parameter in parameters)
{
cmd.Parameters.Add(parameter);
}
}
cmd.Parameters.Add(DbParameters.CreateDbParameter("@Out_Res", "", DbType.String, 2000, ParameterDirection.Output));
rowsAffected = cmd.ExecuteNonQuery();
DbParameter obj = (DbParameter)cmd.Parameters["@Out_Res"]; //@Out_Res和具体的存储过程参数对应
cmd.Parameters.Clear();
return(Convert.ToString(obj.Value));
}
}
}
catch (DbException ex)
{
DbLog.WriteLog(ex, storedProcName);
if (dbConnection != null)
{
dbConnection.Close();
}
throw ex;
}
}
