请参考此网站:
字符串的方法及注释:http://bbs.fishc.org/forum.php?mod=viewthread&tid=38992&extra=page%3D1%26filter%3Dtypeid%26typeid%3D403
字符串格式化符号含义及转义字符含义 :http://bbs.fishc.org/forum.php?mod=viewthread&tid=92997&extra=page%3D1%26filter%3Dtypeid%26typeid%3D403