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asp.net stringbuilder的用法?

Oct 8th 2013, 01:36

大量的文字（例如，從DB裡面撈出來、資料量很大）
文字長短不一

這兩種狀況可以使用StringBuilder (System.Text命名空間)
效率會比字串相連（& 或 + 符號）更強

實際的差異，我寫了一篇文章給您參考
微軟MSDN網站的說明也很清楚

[FAQ]String（字串相連）與StringBuilder的差別、原理與優缺點？

www.dotblogs.com.tw/mis2000lab/archive/2013/09/09/msdn_string_stringbuilder.aspx

在對字串值進行 "多重變更" 的作業中，您可以使用 StringBuilder 類別取代 String 類別。

與 String 類別執行個體不同的是，StringBuilder 物件是可變的；

當您串連、附加或刪除字串中的子字串時，作業是在單一字串上執行。

當您完成修改 StringBuilder 物件的值時，可以呼叫其 StringBuilder.ToString()方法，將它轉換為字串。

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