StringBuilder類(位於System.Text命名空間下)
StringBuilder位於System.Text下,所以要用using System.Text;導入System.Text
1,創建StringBuilder對象
StringBuilder sb = new StringBuilder("www.devsiki.com");//利用構造函數創建stringbuilder StringBuilder sb = new StringBuilder(20);//初始一個空的stringbuilder對象,佔有20個字符的大小 StringBuilder sb = new StringBuilder("www.devsiki.com", 100);//容量設爲100, //當超過時重新申請一個兩倍的內存區域