我希望能够创建以下转换:
需要将一个800 * 600的多维数组转换为不规则数组,然后以相同的数据将不规则数组转换回原始的多维数组。
这是否可能?有没有相关的帮助?
我希望能够创建以下转换:
需要将一个800 * 600的多维数组转换为不规则数组,然后以相同的数据将不规则数组转换回原始的多维数组。
这是否可能?有没有相关的帮助?
我知道这个问题有点老了,但是为了灵活性,我对方法进行了一些修改,使其在方法内计算数组大小,而不必传递它们:
static object[][] convertToJaggedArray(object[,] multiArray)
{
int firstElement = multiArray.GetLength(0);
int secondElement = multiArray.GetLength(1);
object[][] jaggedArray = new object[firstElement][];
for (int c = 0; c < firstElement; c++)
{
jaggedArray[c] = new object[secondElement];
for (int r = 0; r < secondElement; r++)
{
jaggedArray[c][r] = multiArray[c, r];
}
}
return jaggedArray;
}
我做了一些更改,因为Multiarray从索引1开始,而Jagged array从索引0开始。
static object[][] convertToJaggedArray(object[,] multiArray, int firstElement, int secondElement)
{
object[][] jaggedArray = new object[firstElement][];
for (int c = 0; c < firstElement; c++)
{
jaggedArray[c] = new object[secondElement];
for (int r = 0; r < secondElement; r++)
{
jaggedArray[c][r] = multiArray[c+1, r+1];
}
}
return jaggedArray;
}
我已经写了两个方法,可以实现所需的结果
/// <summary>
/// Converts the contents of a multidimensional array into a Jagged Array
/// </summary>
/// <param name="multiArray">the existing multidimensional array you wish to convert</param>
/// <param name="numOfColumns">number of columns</param>
/// <param name="numOfRows">number of rows</param>
/// <returns>Jagged Array representation of multidimensional array passed</returns>
private int[][] convertToJaggedArray(int [,] multiArray, int numOfColumns, int numOfRows)
{
int[][] jaggedArray = new int[numOfColumns][];
for (int c = 0; c < numOfColumns; c++)
{
jaggedArray[c] = new int[numOfRows];
for (int r = 0; r < numOfRows; r++)
{
jaggedArray[c][r] = multiArray[c, r];
}
}
return jaggedArray;
}
/// <summary>
/// Converts the contents of a Jagged Array into a multidimensional array
/// </summary>
/// <param name="jaggedArray">The Jagged Array you wish to convert into a Multidimensional Array</param>
/// <param name="numOfColumns">number of columns</param>
/// <param name="numOfRows">number of rows</param>
/// <returns>Multidimensional Array representation of Jagged Array passed</returns>
private int[,] convertTo2DArray(int[][] jaggedArray, int numOfColumns, int numOfRows)
{
int[,] temp2DArray = new int[numOfColumns, numOfRows];
for (int c = 0; c < numOfColumns; c++)
{
for (int r = 0; r < numOfRows; r++)
{
temp2DArray[c, r] = jaggedArray[c][r];
}
}
return temp2DArray;
}
然后,您只需传递现有的多维或锯齿数组,它将返回不同类型的相同内容。例如:
//1. convert to Jagged print out, grid 1 is the existing 2d array instance here
int[][] jaggedGrid = convertToJaggedArray(grid1, numOfCols, numOfRows);
//2. Take the jagged and re-convert to multi array
int[,] temp = convertTo2DArray(jaggedGrid, numOfCols, numOfRows);
您也可以使用以下循环来检查和打印任一内容
// Print out all elements in the jagged array to debugger.
for (int c = 0; c < jaggedGrid.Length; c++)
{
int[] innerArray = jaggedGrid[c];
for (int r = 0; r < innerArray.Length; r++)
{
System.Diagnostics.Debug.WriteLine("In Jagged Array\nElement No ({0},{1})={2}", c, r, jaggedGrid[c][r] + "\n");
}
}
//print out all values in temp value 2d array to debugger
for (int c = 0; c < temp.GetLength(0); c++)
{
for (int r = 0; r < temp.GetLength(1); r++)
{
System.Diagnostics.Debug.WriteLine("In temp array\nElement No ({0},{1})={2}", c, r, temp[c, r] + "\n");
}
}