HashTable Dictionary
遍历 HashTable Dictionary
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1 Dictionary<int, string> food = new Dictionary<int, string>(); // HashTable<int, string> food = new HashTable<int, string>(); 2 food.Add(1, "A"); 3 food.Add(2, "B"); 4 IDictionaryEnumerator myEnumerator=food.GetEnumerator(); 5 string strfoodlist = ""; 6 while (myEnumerator.MoveNext()) 7 { 8 strfoodlist = strfoodlist + "\n\n" + myEnumerator.Key.ToString(); 9 strfoodlist = strfoodlist + ":\t" + myEnumerator.Value.ToString(); 10 } 11 Console.WriteLine(strfoodlist);
排序 HashTable Dictionary
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1 static void Main(string[] args) 2 { 3 Console.WriteLine(); 4 Console.WriteLine("Hashtable:"); 5 Hashtable ht = new Hashtable(); 6 ht.Add("321", "fdsgsags"); 7 ht.Add("acb", "test test"); 8 ht.Add("1123", "lslgsgl"); 9 ht.Add("2bcd13", "value"); 10 foreach (DictionaryEntry de in ht) 11 { 12 Console.WriteLine("键名：" + de.Key + " 键值：" + de.Value); 13 } 14 15 Console.WriteLine(); 16 Console.WriteLine("Dictionary:"); 17 Dictionary<string, string> dic = new Dictionary<string, string>(); 18 dic.Add("321", "fdsgsags"); 19 dic.Add("acb", "test test"); 20 dic.Add("1123", "lslgsgl"); 21 dic.Add("2bcd13", "value"); 22 foreach (KeyValuePair<string, string> item in dic) 23 { 24 Console.WriteLine("键名：" + item.Key + " 键值：" + item.Value); 25 } 26 27 Console.WriteLine(); 28 Console.WriteLine("ArrayList:"); 29 ArrayList al = new ArrayList(dic.Keys); //或者 ArrayList al = new ArrayList(ht.Keys); 30 al.Sort(); 31 foreach (string skey in al) 32 { 33 Console.WriteLine("键名：" + skey + " 键值：" + dic[skey]); //或者 Console.WriteLine("键名：" + skey + " 键值：" + ht[skey]); 34 } 35 36 Console.Read(); 37 }
复制 Dictionary
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1 Dictionary<string, int> copy = new Dictionary<string, int>(OldDic);
