写内容之余，把写内容过程中比较重要的内容记录起来，如下的资料是关于C#调整数组顺序，让奇数位于偶数前面的算法的内容，希望对码农们有用。

#region 调整数组顺序使奇数位于偶数前面
class Reorder
{
private List<int> _array;
private RecorderOperator _op;

public List<int> array { get { return _array; } set { _array = value; } } public RecorderOperator op { get { return _op; } set { _op = value; } } public Reorder(List<int> array, RecorderOperator op) { _array = array; _op = op; } public Reorder() { } public void ReorderArray() { int length = array.Count; int start = 0, end = length - 1; while (start < end) { while (start < end && !op.Operator(array[start])) start++; while (start < end && op.Operator(array[end])) end--; if (start < end) { int temp = array[start]; array[start] = array[end]; array[end] = temp; } } } public void Print() { array.ForEach(a=>Console.Write(a+" ")); Console.WriteLine(); }

}
class RecorderOperator
{
public virtual bool Operator(int n)
{
return false;
}
}
class ConcreteRecorderOperator1:RecorderOperator
{
public override bool Operator(int n)
{
return (n & 0x1)==0;
}
}
class ConcreteRecorderOperator2 : RecorderOperator
{
public override bool Operator(int n)
{
return n%3!=0;
}
}
#endregion
class Test{
public void ReorderTest()
{
RecorderOperator op1 = new ConcreteRecorderOperator1();
Reorder reorder = new Reorder(new List<int>{2,3,4,9,5},op1);
Console.WriteLine("所有奇数位于数组的前半部分，所有偶数位于数组的后半部分");
reorder.Print();
reorder.ReorderArray();
reorder.Print();
RecorderOperator op2 = new ConcreteRecorderOperator2();
reorder.op = op2;
reorder.ReorderArray();
Console.WriteLine("能被3整除的数在前，不能被3整除的数在后");
reorder.Print();
}
}
class Program
{

static void Main(string[] args) { Test t = new Test(); t.ReorderTest(); }

}