カテゴリー: JavaScript：Tips

/// 
/// OrderBy, ThenBy : 並び替え(sort)
/// 
public static void mSortr_01()
{
    //==========================
    /*  */
    //==========================
    var possrc_0 = new[] { 9, 6, 25, 7 };
    var sorted_0 = possrc_0.OrderBy(elem => elem).ToList();
    sorted_0.ForEach(c => Console.Write(c + ","));

    // 6,7,9,25,
    Console.WriteLine("");

    //==========================
    /*  */
    //==========================
    var possrc_1 = new[] { 9, 6, 25, 7 };
    var sorted_1 = possrc_1.OrderByDescending(elem => elem);

    foreach (var item in sorted_1)
    {
        Console.WriteLine(string.Join(",", item));
    }
    // 25,9,7,6
    Console.WriteLine("");

    //==========================
    /*  */
    //==========================
    var possrc = new[] 
    { 
        new { x = 1, y = 2 }, 
        new { x = 3, y = 4 }, 
        new { x = 1, y = 1 } 
    };
    var sorted = possrc.OrderBy(elem => elem.x).ThenBy(elem => elem.y);

    foreach (var item in sorted)
    {
        Console.WriteLine(string.Join(",", item.x, item.y));
    }
    // {{ x = 1, y = 1 }, { x = 1, y = 2 }, { x = 3, y = 4 }} 
    Console.WriteLine("");

    //==========================
    /*  */
    //==========================
    var possrc_3 = new[] 
    { 
        new { x = 1, y = 2 }, 
        new { x = 3, y = 4 }, 
        new { x = 1, y = 1 } 
    };
    var sorted_3 = possrc_3.OrderByDescending(elem => elem.x).ThenByDescending(elem => elem.y);

    foreach (var item in sorted_3)
    {
        Console.WriteLine(string.Join(",", item.x, item.y));
    }
    // {{ x = 3, y = 4 }, { x = 1, y = 2 }, { x = 1, y = 1 }} 

}