Upload Excel file to Table components: Select an Excel file, You can choose to set the header row number, table head line number data starting line number. Or not set using the default settings, example: title line number: 1, the header line numbers: 2, data starting line number: 3 Choose to complete the import to the server-side, click "upload to table" after import Table. Table, empty data table, you can not add header and data, but must have been instantiated not be empty, otherwise it will error. Similarly, table data table head of the table, If so, then click on "upload to the header tables" after matching detection, detection of the same import to the table, the match fails not import. Has import, support multi-line headers Excel spreadsheet data NUMERIC (Double, Integer), STRING, Date, BOOLEAN, FORMULA, BLANK, ERROR. * note: * need to use jar: poi - 3.8-20120326. Jar http://www.apache.org/dyn/closer.cgi/poi/release/bin/poi-bin-3.8-20120326.zip