关键字：UCS，BMP，Unicode，GB2312，UTF-8，UTF7，编码 摘要：本文在对各种资料整理后详细介绍各种常见编码的转换算法。 -Keywords: UCS, BMP, Unicode, GB2312, UTF-8, UTF7, coding Abstract: In this paper, various types of information collated on the details of the conversion algorithm for a vari