public static List <TParam> ToDbParam <TParam>(object obj, string sign, string prefix) where TParam : DbParameter
{
var convertMethod = DynamicMethodUtil.GetObjectToParamListMethod <TParam>(obj.GetType());
var action = (ObjectToParamListDelegate <TParam>)convertMethod.CreateDelegate(typeof(ObjectToParamListDelegate <TParam>));
return(action(obj, sign, prefix));
}
private delegate T RowToEntityDelegate <T>(DataRow row);//将DataRow转为Entity的委托
public static T ToEntity <T>(this DataRow @row)
{
if (@row == null)
{
return(default(T));
}
DynamicMethod method = DynamicMethodUtil.GetConvertToEntityMethod <T>();
var action = (RowToEntityDelegate <T>)method.CreateDelegate(typeof(RowToEntityDelegate <T>));
return(action(@row));
}
private delegate List <T> TableToListDelegate <T>(DataTable table);//将Table转为List的委托
public static List <T> ToList <T>(this DataTable @table)
{
if (@table == null || @table.Rows.Count <= 0)
{
return(new List <T>());
}
DynamicMethod method = DynamicMethodUtil.GetConvertToListMethod <T>();
var action = (TableToListDelegate <T>)method.CreateDelegate(typeof(TableToListDelegate <T>));
return(action(@table));
}