/// <summary>
/// 将DataTable转为List
/// </summary>
/// <typeparam name="T">实体类（必须有默认构造参数）</typeparam>
/// <param name="dt">DataTable</param>
/// <returns></returns>
public static List <T> ToList <T>(DataTable dt) where T : new()
{
List <T> list = new List <T>();
if (dt == null || dt.Rows.Count == 0)
{
return(list);
}
foreach (DataRow dr in dt.Rows)
{
T t = new T();
foreach (PropertyInfo prop in typeof(T).GetProperties())
{
if (dr.Table.Columns.Contains(prop.Name))
{
GetSetter <T>(prop)(t, dr[prop.Name]);
}
}
list.Add(t);
}
return(list);
}
/// <summary>
/// 高性能版构造对象，速度性能显著提升
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="source"></param>
/// <returns></returns>
public static List <T> ConvertDataTableToObject <T>(DataTable source) where T : class, new()
{
List <T> list = new List <T>();
Type t = typeof(T);
foreach (DataRow dr in source.Rows)
{
T item = new T();
foreach (var prop in t.GetProperties())
{
string MapperName = GetMapperName(prop);
if (string.IsNullOrEmpty(MapperName))
{
MapperName = prop.Name;
}
if (dr.Table.Columns.Contains(MapperName) && !IsDBNull(dr[MapperName]))
{
GetSetter <T>(prop)(item, dr[MapperName]);
}
}
list.Add(item);
}
return(list);
}
public static void Set <TValue>(TImplementation instance, string propertyName, TValue value)
{
GetSetter <TValue>(propertyName)(instance, value);
}
public static void Set <TValue>(TType instance, string propertyName, TValue value)
{
GetSetter <TValue>(propertyName)(instance, value);
}
public static ITrackingAction GetTrackingPropertyUpdateV2 <TObject, TValue>(this TObject item, TValue field, TValue value, string propertyName) => new PropertyTrackingAction <TObject, TValue>(field, value, item, (x, y) => GetSetter <TObject, TValue>(propertyName)(x, y));
