C# 遍历 Hashtable Dictionary<int, string>

1、Hashtable

Hashtable hashtable = new Hashtable();
hashtable.Add(1, "tom");
hashtable.Add(2, "jack");
foreach (DictionaryEntry entry in hashtable)
{
    Console.WriteLine(entry.Key);
    Console.WriteLine(entry.Value);
}

2、Dictionary<int, string>

Dictionary<int, string> dic = new Dictionary<int, string>();
dic.Add(1,"哈哈");
dic.Add(2,"嘿嘿");
foreach (KeyValuePair<int, string> keyValue in dic)
{
    Console.WriteLine($"{keyValue.Key}--{keyValue.Value}");
}