.NET 数据类型转换 方法

using Newtonsoft.Json;using Newtonsoft.Json.Converters;using System.Web.Script.Serialization;

/// <summary> /// 将字符串转为字典类型 /// </summary> /// <param name="value"></param> /// <returns></returns> public Dictionary<string, int> Str2Dic(string value) { Dictionary<string, int> IDs = new Dictionary<string, int>(); string[] str1 = value.Split(';'); for (int i = 0; i < str1.Length; i++) { string[] str2 = str1[i].Split(','); if (!IDs.ContainsKey(str2[0]) && str2[0]!="") { IDs.Add(str2[0], int.Parse(str2[1])); } } return IDs; }

public Dictionary<string, string> StrToDic(string value) { Dictionary<string, string> list = new Dictionary<string, string>(); string[] str1 = value.Split('#'); for (int i = 0; i < str1.Length; i++) { string[] str2 = str1[i].Split(';'); if (!list.ContainsKey(str2[0]) && str2[0] != "") { list.Add(str2[0], str2[1]); } } return list; }

//字典转字符串 public string DicToStr(Dictionary<string, string> list) { string result=""; foreach (KeyValuePair<string, string> l in list) { result += l.Key + ";" + l.Value + "#"; } return result; }

//List转字符串

public string ListToStr(List<string> list) { string result = ""; foreach (string s in list) { result += s + ","; } return result; }

public List<string> StrToList(string str) { List<string> list = new List<string>(); string[] s = str.Split(','); for (int i = 0; i < s.Length; i++) { if (s[i] != "" && !list.Contains(s[i])) { list.Add(s[i]); } } return list; }