Array.Rank 属性

定义

获取 Array 的秩(维数)。Gets the rank (number of dimensions) of the Array. 例如,一维数组返回 1,二维数组返回 2,依次类推。For example, a one-dimensional array returns 1, a two-dimensional array returns 2, and so on.

public:
 property int Rank { int get(); };
public int Rank { get; }
member this.Rank : int
Public ReadOnly Property Rank As Integer

属性值

Int32

Array 的秩(维数)。The rank (number of dimensions) of the Array.

示例

下面的示例初始化一维数组、二维数组和交错数组,并检索 Rank 每个数组的属性。The following example initializes a one-dimensional array, a two-dimensional array, and a jagged array, and retrieves the Rank property of each.

using System;

public class Example
{
   public static void Main()
   {
      int[] array1 = new int[10];
      int[,] array2= new int[10,3];
      int[][] array3 = new int[10][];

      Console.WriteLine("{0}: {1} dimension(s)",
                        array1.ToString(), array1.Rank);
      Console.WriteLine("{0}: {1} dimension(s)",
                        array2.ToString(), array2.Rank);
      Console.WriteLine("{0}: {1} dimension(s)",
                        array3.ToString(), array3.Rank);
   }
}
// The example displays the following output:
//       System.Int32[]: 1 dimension(s)
//       System.Int32[,]: 2 dimension(s)
//       System.Int32[][]: 1 dimension(s)
Module Example
   Public Sub Main()
      Dim array1(9) As Integer
      Dim array2(9,2) As Integer
      Dim array3(9)() As Integer

      Console.WriteLine("{0}: {1} dimension(s)",
                        array1.ToString(), array1.Rank)
      Console.WriteLine("{0}: {1} dimension(s)",
                        array2.ToString(), array2.Rank)
      Console.WriteLine("{0}: {1} dimension(s)",
                        array3.ToString(), array3.Rank)
   End Sub
End Module
' The example displays the following output:
'       System.Int32[]: 1 dimension(s)
'       System.Int32[,]: 2 dimension(s)
'       System.Int32[][]: 1 dimension(s)

注解

例如,Visual Basic 代码For example, the Visual Basic code

Dim TDArray(0,0,0) As Integer

和 c # 代码and the C# code

int[,,] TDArray = new int[1,1,1];

创建三个维度的数组, Rank 其属性的值为3。create an array of three dimensions with a Rank property whose value is 3.

) 为一维数组 (数组数组的交错数组;其属性的值 Rank 为1。A jagged array (an array of arrays) is a one-dimensional array; the value of its Rank property is 1.

检索此属性的值的运算复杂度为 O(1)。Retrieving the value of this property is an O(1) operation.

适用于

另请参阅