1、文件名：lib/pear/Spreadsheet/Excel/Writer.php文件的function send($filename)函数，第67行加上$filename = iconv("utf-8", "gb2312", $filename);文件名由xxxxxxxx.变成广告分析报告 xxx From Beginning 到 27-03-2009.xls。

2、excel文件内容：lib/pear/Spreadsheet/Excel/Writer/Worksheet.php文件的Writerfunction write($row, $col, $token, $format = 0)函数，第1166行替换为return $this->writeString($row, $col, iconv("utf-8", "gb2312", $token), $format);

3、工作表名称：lib/pear/Spreadsheet/Excel/Writer/Workbook.php文件的function &addWorksheet($name = '')函数，第318行加上$name = iconv("utf-8", "gb2312", $name);