Dictionary 排序

//创建字典Dictionary 对象
Dictionary<string, int> dic = new Dictionary<string, int>();
//.net 3.5 以上版本 Dictionary排序(即 linq dictionary 排序)
private void DictonarySort(Dictionary<string, int> dic)
  {
    var dicSort = from objDic in dic orderby objDic.Value descending select objDic;
    foreach(KeyValuePair<string, int> kvp in dicSort)
      Response.Write(kvp.Key + "" + kvp.Value + "<br />");
  }
//按降序(倒序)排列,如果想按升序(顺序)排列,只需要把变量 dicSort 右边的 descending 去掉即可。
//.net 2.0 版本 Dictionary排序
private void DictionarySort(Dictionary<string, int> dic)
  {
    if (dic.Count > 0)
    {
      List<KeyValuePair<string, int>> lst = new List<KeyValuePair<string, int>>(dic);
      lst.Sort(delegate(KeyValuePair<string, int> s1, KeyValuePair<string, int> s2)
      {
        return s2.Value.CompareTo(s1.Value);
      });
      dic.Clear();

      foreach (KeyValuePair<string, int> kvp in lst)
        Response.Write(kvp.Key + "" + kvp.Value + "<br />");
    }
  }
//顺序排列:只需要把变量 return s2.Value.CompareTo(s1.Value); 改为 return s1.Value.CompareTo(s2.Value); 即可。
原文地址:https://www.cnblogs.com/yc1224/p/13743697.html