Dictionary 内含有 List 的添加操作

最新推荐文章于 2023-08-17 16:16:30 发布

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本文详细介绍了如何在C#中使用Dictionary集合存储List类型的值，并演示了添加元素到字典的过程。通过实例，展示了如何创建多个字符串列表并将其作为值存储在字典中，最后遍历字典并打印所有键值对。

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Dictionary<string, List<string>> myDic = new Dictionary<string, List<string>>();
myDic.Add(newKey, new List<string>(existingList));

https://stackoverflow.com/questions/17887407/dictionary-with-list-of-strings-as-value

Dictionary<string, List<String>> map = new Dictionary<string, List<String>>();
    
    // create list one and store values
    List<string> valSetOne = new List<string>();
    valSetOne.Add("Apple");
    valSetOne.Add("Aeroplane");
    
    // create list two and store values
    List<String> valSetTwo = new List<String>();
    valSetTwo.Add("Bat");
    valSetTwo.Add("Banana");
    
    // create list three and store values
    List<String> valSetThree = new List<String>();
    valSetThree.Add("Cat");
    valSetThree.Add("Car");
    
    // add values into map
    map.Add("A", valSetOne);
    map.Add("B", valSetTwo);
    map.Add("C", valSetThree);
  
    // iterate and display values
    foreach(KeyValuePair<string, List<string>> kvp in map){
      foreach(string value in kvp.Value){
         Console.WriteLine("Key = {0}, Value = {1}", kvp.Key, value);
      }

https://gist.github.com/ishu3101/4a5846860fc268d0fc7323171e2d92ff

https://stackoverflow.com/questions/14991688/adding-items-to-a-list-in-a-dictionary/14991876

https://stackoverflow.com/questions/17108399/dictionaryint-liststring