// <summary>
/// 一般用法 /// </summary> public static void DictionaryDemo001() { Dictionary<int, string> dict = new Dictionary<int, string>(); dict.Add(1, "111"); dict.Add(2, "222"); //判断是否存在相应的key并显示 if (dict.ContainsKey(2)) { Console.WriteLine(dict[2]); } //遍历Keys foreach (var item in dict.Keys) { Console.WriteLine("Key:{0}", item); } //遍历Values foreach (var item in dict.Values) { Console.WriteLine("value:{0}", item); } //遍历整个字典 foreach (var item in dict) { Console.WriteLine("key:{0} value:{1}", item.Key, item.Value); } } /// <summary> /// 参数为其它类型 /// </summary> public static void DictionaryDemo002() { Dictionary<string, string[]> dict = new Dictionary<string, string[]>(); dict.Add("1", "1,11,111".Split(',')); dict.Add("2", "2,22,222".Split(',')); Console.WriteLine(dict["2"][2]);}
public static void DictionaryDemo003() { IDictionary<int, yongfa365> dict = new Dictionary<int, yongfa365>(); for (int i = 0; i < 10; i++) { yongfa365 y = new yongfa365(); y.UserCode = i; y.UserName = " " + i.ToString(); dict.Add(i, y); }foreach (var item in dict)
{ Console.WriteLine("{0} One:{1} UserName:{2}", item.Key, item.Value.UserCode, item.Value.UserName);}
}}
public class yongfa365
{ public int UserCode { get; set; } public string UserName { get; set; } }*****************************************************************************
public IDictionary<string, string> GetDic(string xml)
{ IDictionary<string, string> dit = new Dictionary<string, string>(); string[] arrays = xml.Split(';'); foreach (string item in arrays) { string[] param = item.Split(':'); if (param[0] != null && param[1] != null)//注意：必须key值和Value值都存在才可加入 { dit.Add(param[0], param[1]); } } return dit; }public User GetUser(IDictionary<string, string> dit)
{ user = new User(); credit = new UserCredit();IEnumerator<KeyValuePair<string, string>> dem = dit.GetEnumerator();
while (dem.MoveNext()) { string name = dem.Current.Key; string value = dem.Current.Value; switch (name) { case "user_id": user.UserId = Convert.ToInt64(value); break; case "type": user.Type = value; break; case "sex": user.Sex = value; break; case "nick": user.Nick = value; break; case "created": user.Created = value; break; case "total_num": credit.TotalNum = Convert.ToInt64(value); break; case "score": credit.Score = Convert.ToInt64(value); break; default: break; } } return user; }public User GETUser(IDictionary<string, string> dit)
{ user = new User(); credit = new UserCredit(); Dictionary<string, string> dic = new Dictionary<string, string>(dit.Count); foreach (KeyValuePair<string, string> kvp in dic) { string name = kvp.Key; switch (name) { case "type": user.Type = kvp.Value ; break; case "sex": user.Sex = kvp.Value; break; case "nick": user.Nick = kvp.Value; break; case "created": user.Created =kvp.Value; break; default: break; } } return user; }public string Test(IDictionary<string, string> dit)
{ string KV = null; Dictionary<string, string> dic = new Dictionary<string, string>(dit.Count); foreach (var item in dic)//注意：值为空的情况 { KV +="键："+ item.Key + "值："+item.Value; } //foreach (var value in dic.Values) //{ // KV += "值的集合：" + value; //} return KV; }