C#中遍历Hashtable的4种方法

C#中遍历Hashtable的4种方法| Id | Title | DateAdded | SourceUrl | PostType | Body | BlogId | Description | DateUpdated | IsMarkdown | EntryName | CreatedTime | IsActive | AutoDesc | AccessPermission |

| -------------| -------------| -------------| -------------| -------------| -------------| -------------| -------------| -------------| -------------| -------------| -------------| -------------| -------------| -------------|
| 16299266| C#中遍历Hashtable的4种方法| 2022-05-22T22:11:00| | BlogPost|

using System;
using System.Collections;
   
namespace HashtableExample
{
   class Program
   {
     static Hashtable hashtable = new Hashtable();
     static void Main( string [] args)
     {
       hashtable.Add( "first" , "Beijing" );
       hashtable.Add( "second" , "Shanghai" );
       hashtable.Add( "third" , "Hangzhou" );
       hashtable.Add( "forth" , "Nanjing" );
   
       //遍历方法一：遍历哈希表中的键
       foreach ( string key in hashtable.Keys)
       {
         Console.WriteLine(hashtable[key]);
       }
       Console.WriteLine( "--------------------" );
   
       //遍历方法二：遍历哈希表中的值
       foreach ( string value in hashtable.Values)
       {
         Console.WriteLine(value);
       }
       Console.WriteLine( "--------------------" );
   
       //遍历方法三：遍历哈希表中的键值
       foreach (DictionaryEntry de in hashtable)
       {
         Console.WriteLine(de.Value);
       }
       Console.WriteLine( "--------------------" );
   
       //遍历方法四：遍历哈希表中的键值
       IDictionaryEnumerator myEnumerator = hashtable.GetEnumerator();
       while (myEnumerator.MoveNext())
       {
         Console.WriteLine(hashtable[myEnumerator.Key]);
       }
     }
   }
}

 

| 648658| | 2022-05-22T22:11:00| false| | 2022-05-22T22:10:39.437| true| using System; using System.Collections; namespace HashtableExample { class Program { static Hashtable hashtable = new Hashtable(); static void Main( s| Anonymous|