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為什么要有本篇文章
本篇文章主要實現了RTX消息生產者,并且完成了整體的設計方式,之前在設計時消息生產者全局使用單一的生產方式,即一個項目里使用了Email就不能使用SMS,這種設計方法和實際不相符,雖然在性能上是最佳的(采用了單例模型,維護一個生產者,使用策略模式進行生產者的實現,使用工廠模式生產具體生產者),實際項目中,應該是可以自動選擇消息生產者的,當然為了程序的性能,我們還必須使用單例模式來生產具體生產者,這種單例,在本程序中,采用了具體類型,具體單例的方法,即Email自己維護單例,SMS自己維護單例,這樣,程序即能滿足實際的需要,又可以提高自己的性能!
強大的設計
強大的生產者
/// <summary> /// 消息生產者 /// 具體消息生產者是單例,如Email,SMS,Rtx等 /// </summary> public class MessageFactory { /// <summary> /// 消息工廠 /// </summary> public static IMessageManager GetService(MessageType messageType) { switch (messageType) { case MessageType.Email: return EmailMessageManager.Instance; case MessageType.SMS: return SMSMessageManager.Instance; case MessageType.RTX: return RTXMessageManager.Instance; default: throw new NotImplementedException("消息生產者未被識別..."); } } }
RTX生產者的實現
/// <summary> /// RTX消息服務 /// </summary> internal class RTXMessageManager : IMessageManager { #region Singleton private static object lockObj = new object(); public static RTXMessageManager Instance; static RTXMessageManager() { lock (lockObj) { if (Instance == null) Instance = new RTXMessageManager(); } } private RTXMessageManager() { } #endregion private string EncodingString(string str) { return HttpUtility.UrlEncode(str, Encoding.GetEncoding("GB2312")); } private string rtxUrl = System.Configuration.ConfigurationManager.AppSettings["RtxApi"] ?? "http://192.168.1.8:8012/sendnotifynew.cgi?"; #region IMessageManager 成員 public void Send(string recipient, string subject, string body) { Send(new List<string> { recipient }, subject, body); } public void Send(IEnumerable<string> recipients, string subject, string body) { try { var dic = new Dictionary<string, string>() { {"title",EncodingString(subject)}, {"msg",EncodingString(body)}, {"receiver", EncodingString(string.Join(",",recipients))}, {"delaytime","0"} }; StringBuilder str = new StringBuilder(); foreach (var item in dic) { str.Append(item.Key + "=" + item.Value + "&"); } new HttpClient().GetAsync(rtxUrl + str.ToString()).Wait(); } catch (Exception ex) { Logger.Core.LoggerFactory.Instance.Logger_Info(ex.Message); } } public void Send(IEnumerable<string> recipients, string subject, string body, bool isAsync) { if (isAsync) Task.Run(() => { Send(recipients, subject, body); }); else Send(recipients, subject, body); } #endregion }
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