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2.¿ªÊ¼ÐÞ¸ÄԭʼÂ룬½«classÃû³Æ¸ÄΪCnZipOutputStream
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  private String encoding="UTF-8";
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     this(out);
     this.encoding=encoding;
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byte[] nameBytes = null;
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 nameBytes= e.name.getBytes(this.encoding);
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 {
 nameBytes=getUTF8Bytes(e.name);
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  private String encoding="UTF-8";
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