Questions about phpExcelreader

When phpExcelreader is used to read files, no data exists in sheets, but boundsheetsArray [3] formatRecordsArray [15] sstArray [263] has data. Why? it's hard to say that PHPcoderequire_on uses phpExcelreader.
When reading a file in use, no data exists in sheets,
BoundsheetsArray [3]
FormatRecordsArray [15]
SstArray [263]
Contains data. Why?



------ Solution --------------------
This problem is hard to say.

PHP code

Require_once 'Excel/reader. php '; $ data = new Spreadsheet_Excel_Reader (); $ data-> setOutputEncoding ('gbk'); $ data-> read(test.xls'); for ($ I = 1; $ I <= $ data-> sheets [0] ['numrows ']; $ I ++) {for ($ j = 1; $ j <= $ data-> sheets [0] ['numcols']; $ j ++) {echo $ data-> sheets [0] ['cells '] [$ I] [$ j];}
------ Solution --------------------
Change the cell format, such as text format.