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DataTable转换为Entity(反射&&泛型)

L edited this page Mar 19, 2020 · 2 revisions
public static IEnumerable<T> Parse<T>(IEnumerable<DataRow> rows) where T : class, new()
{
    if (rows == null || Enumerable.FirstOrDefault<DataRow>(rows) == null)
        return (IEnumerable<T>) new T[0];
    PropertyInfo[] properties = typeof (T).GetProperties(BindingFlags.Instance | BindingFlags.Public | BindingFlags.SetProperty);
    List<T> list = new List<T>();
    foreach (DataRow row in rows)
    {
        T instance = Activator.CreateInstance<T>();
        DbHelper.Parse((object) instance, (IEnumerable<PropertyInfo>) properties, row);
        list.Add(instance);
    }
    return (IEnumerable<T>) list;
}


private static void Parse(object obj, IEnumerable<PropertyInfo> properties, DataRow row)
{
    foreach (PropertyInfo propertyInfo in properties)
    {
        if (DataRowExtension.HasValue(row, propertyInfo.Name))
        {
            try
            {
                propertyInfo.SetValue(obj, DbHelper.ConvertType(CultureInfo.CurrentCulture, row[propertyInfo.Name], propertyInfo.PropertyType), (object[]) null);
            }
        }
        catch{ }
    }
}

参考资料

C# 反射(Reflection)
C# 泛型(Generic)

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