c# 多维数组、交错数组（转化为DataTable）
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using
System;
using
System.Collections.Generic;
using
System.Linq;
using
System.Text;
using
System.Threading.Tasks;
using
System.Data;
namespace
ConsoleApplication31
{
class
Program
{
public
static
Array ReturnArray()
{
string[,,] arr = newstring[2, 3, 4];
for (int i = 0; i < 2; i++)
{
for (int j = 0; j < 3; j++)
{
for (int k = 0; k < 4; k++)
{
arr[i, j, k] = i + "," + j + "," + k;
}
}
}
return arr;
}
privatestatic Array GetJCSZ()
{
//string[][][] arr = new string[2][][];
//arr[0] = new string[2][];
//arr[0][0] = new string[3];//3
//arr[0][1] = new string[4];//4
//arr[0][0][0] = "0,0,0";
//arr[0][0][1] = "0,0,1";
//arr[0][0][2] = "0,0,2";
//arr[1] = new string[2][];
//arr[1][0] = new string[3];
//arr[1][1] = new string[4];
//arr[1][0][0] = "1,0,0";
//arr[1][0][1] = "1,0,1";
//arr[1][0][2] = "1,0,2";
//return arr;string[] arr = newstring[3];
arr[0] = "0";
arr[2] = "2";
return arr;
}
publicstaticvoid InitColumns(Array arr, ref Dictionary<string, DataColumn> dicCols, ref DataTable table)
{
for (int i = 0; i < arr.Length; i++)
{
if ((arr asdynamic)[i] is Array)
{
InitColumns((arr asdynamic)[i], ref dicCols, ref table);
}
else
{
if (arr.Length >= dicCols.Keys.Count)
{
dicCols.Clear();
for (int ii = 0; ii < arr.Length; ii++)
{
string colName = Guid.NewGuid().ToString();
DataColumn col = new DataColumn(colName);
if (!dicCols.ContainsKey(colName))
{
dicCols.Add(colName, col);
}
}
}
}
}
}
publicstatic DataTable ArrayConvert2DataTable(Array arr)
{
DataTable tmpT = new DataTable();
Dictionary<string, DataColumn> dicCols = new Dictionary<string, DataColumn>();
Dictionary<string, DataRow> dicRows = new Dictionary<string, DataRow>();
//J=交 C=错bool isJC = !(arr.GetType().Name.Contains(‘,‘));
//交错数组处理if (isJC)
{
//交错数组第一个维度的元素个
DataTable table = new DataTable();
List<int> dims = new List<int>();
InitColumns(arr, ref dicCols, ref table);
foreach (var item in dicCols)
{
table.Columns.Add(item.Value);
}
int currRowIndex = 0;
SearchTable(ref currRowIndex,arr,arr, ref table);
return table;
}
//多维数组处理else
{
int rank = arr.Rank;
int cols = arr.GetLength(rank - 1);
for (int i = 0; i < cols; i++)
{
DataColumn col = new DataColumn(Guid.NewGuid().ToString());
tmpT.Columns.Add(col);
}
Dictionary<int, int> dims = new Dictionary<int, int>();
int currRowIndex = -1;
Dictionary<int, DataRow> dicRow = new Dictionary<int, DataRow>();
var iterator = arr.GetEnumerator();
int count = 0;
while (iterator.MoveNext())
{
var curr = iterator.Current;
if (count % cols == 0)
{
currRowIndex++;
DataRow dr = tmpT.NewRow();
tmpT.Rows.Add(dr);
dicRow.Add(currRowIndex, dr);
dr[0] = curr.ToString();
if (count == cols)
{
count = 0;
}
}
else
{
tmpT.Rows[currRowIndex][count] = curr.ToString();
}
count++;
}
}
return tmpT;
}
privatestaticvoid SearchTable(refint currRowIndex, Array ori, Array curr, ref DataTable table)
{
for (int i = 0; i < curr.Length; i++)
{
bool isa = (curr asdynamic)[i] is Array;
if (isa)
{
SearchTable(ref currRowIndex, ori, (curr asdynamic)[i], ref table);
}
else
{
if (table.Rows.Count < currRowIndex + 1)
{
DataRow newRow = table.NewRow();
table.Rows.Add(newRow);
}
try
{
table.Rows[currRowIndex][i] = (curr as Array).GetValue(i);
}
catch (Exception)
{
;
}
if (i == curr.Length - 1)
currRowIndex++;
}
}
}
staticvoid Main(string[] args)
{
var t1 = ArrayConvert2DataTable(ReturnArray());
var t2 = ArrayConvert2DataTable(GetJCSZ());
Console.ReadKey();
}
}
}
原文：http://www.cnblogs.com/kexb/p/5533279.html
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