不排序的HashTable
HashTable中的排序实在让人头疼,取出来的顺序怎么都跟放进去的顺序不一样,为了解决这个问题,将HashTable和ArrayList结合起来就可以搞定。
using System;
using System.Collections;
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namespace NoSortHashtable
{
/**//// <summary>
/// Summary description for NoSortedHashtable.
/// </summary>
public class NoSortHashtable : Hashtable
{
private ArrayList keys = new ArrayList();
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public NoSortHashtable()
{
}
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public override void Add(object key, object value)
{
base.Add (key, value);
keys.Add (key);
}
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public override ICollection Keys
{
get
{
return keys;
}
}
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public override void Clear()
{
base.Clear ();
keys.Clear ();
}
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public override void Remove(object key)
{
base.Remove (key);
keys.Remove (key);
}
public override IDictionaryEnumerator GetEnumerator()
{
return base.GetEnumerator ();
}
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}
}
调用时代码
hashTable = new NoSortHashtable();
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foreach(string key in hashTable.Keys)
{
Console.WriteLine(key + " : " + hashTable[key]);
}
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调用时代码
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