说明：  本程式碼是一個簡單的股票分析系統，分為server與client兩端，客戶可以從client端看到當前的股票價錢訊息，而系統編輯者只需要從server端去輸入那一則股票價錢有變動即可。
(This code is a simple stock analysis system, divided into server and client at both ends, customers can see from the client end of the current stock price information, and systematic editors from the server-side only to the importation of which is the stock price changes that have can be.)