Excelize 2.5.0 Released - Go language API for spreadsheets (Excel) files

Excelize is a library written in pure Go providing a set of functions that allow you to write to and read from XLSX / XLSM / XLTM files. Supports reading and writing spreadsheet documents generated by Microsoft Excel™ 2007 and later. Supports complex components by high compatibility, and provided streaming API for generating or reading data from a worksheet with huge amounts of data.

GitHub: github.com/xuri/excelize

We are pleased to announce the release of version 2.5.0. Featured are a handful of new areas of functionality and numerous bug fixes.

A summary of changes is available in the Release Notes. A full list of changes is available in the changelog.

Release Notes

The most notable changes in this release are:

Compatibility

• Close spreadsheet and row's iterator required, the user should be close the stream after using the row's iterator, and close the spreadsheet after opening an existing spreadsheet

• Change ReadZipReader as an implementation of the File, extract spreadsheet with given options, and support extract in memory or touching the filesystem

• Remove unnecessary exported variable XMLHeader, we can using encoding/xml package's xml.Header instead of it

• Remove unused exported error variable ErrToExcelTime

Notable Features

• New API: SetRowStyle support for set style for the rows, related issue #990

• New API: GetCellType support for get the cell's data type, related issue #417 and #520

• New API: SetAppProps and GetAppProps support to set and get document application properites, related issue #1095

• GetCellValue, GetRows, GetCols, Rows and Cols support to specify read cell with raw value, related issue #621

• New support 95 formula functions: ACCRINT, ACCRINTM, ADDRESS, AMORDEGRC, AMORLINC, AVEDEV, AVERAGEIF, CHIDIST, CONFIDENCE, CONFIDENCE.NORM, COUNTIF, COUNTIFS, COUPDAYBS, COUPDAYS, COUPDAYSNC, COUPNCD, COUPNUM, COUPPCD, DATEVALUE, DAY, DAYS, DELTA, DEVSQ, DISC, DURATION, ERF, ERF.PRECISE, ERFC, ERFC.PRECISE, GEOMEAN, GESTEP, IFNA, IFS, INDEX, INTRATE, ISFORMULA, ISLOGICAL, ISREF, ISOWEEKNUM, MATCH, MAXA, MAXIFS, MDURATION, MINIFS, MINUTE, MONTH, ODDFPRICE, PERCENTILE.EXC, PERCENTRANK.EXC, PERCENTRANK.INC, PERCENTRANK, PRICE, PRICEDISC, PRICEMAT, PV, QUARTILE.EXC, RANK, RANK.EQ, RATE, RECEIVED, RRI, SHEETS, SLN, STANDARDIZE, STDEV.P, STDEVP, SWITCH, SYD, TBILLEQ, TBILLPRICE, TBILLYIELD, TEXTJOIN, TIME, TRANSPOSE, TRIMMEAN, VALUE, VAR, VAR.S, VARA, VARPA, VDB, WEEKDAY, WEIBULL, WEIBULL.DIST, XIRR, XLOOKUP, XNPV, XOR, YEAR, YEARFRAC, YIELD, YIELDDISC, YIELDMAT, Z.TEST, ZTEST, related issue #1002

• Formula calculation engine support nested calc for IF formula, related issue #987

• Formula calculation engine support get shared formula, related issue #844

• Formula calculation engine support text comparison, related issue #998

• Support specify the formula in the data validation range, related issue #1012

• Support specified unzip size limit on open file options, avoid zip bombs vulnerability attack

• SetCellFormula now support set the shared formula

• UpdateLinkedValue will skip macro sheet, related issue #1014

• Fix AddPicture created duplicate image in some cases, caused by incorrect internal relationships ID calculation, related issue #1017

• AddShape support set line width of add the shape, related issue #262

• New options UnzipXMLSizeLimit have been added, support to specifies the memory limit on unzipping worksheet and shared string table in bytes

• An error will be returned if given an invalid custom number format when creating a new style, related issue #1028

• Now support set row style in the stream writer

• Stream writer will create a time number format for time type cells, related issue #1107

• Now support specify compact and outline for the pivot table, related issue #1029

• Support get current rows/columns and total rows/columns in the stream reader, related PR #1054

• Now support time zone location when set cell value, related issue #1069

• Export 7 errors so users can act differently on different type of errors

Improve the Compatibility

• Improve compatibility with row element with r="0" attribute

• Preserve XML control character

• Improve the compatibility of style settings with Apple Numbers, related issue #1059

• Support multi-byte language on set header footer, related issue #1061

• Preserve horizontal tab character when set the cell value, related issue #1108

Bug Fixes

• Fix the data validation deletion failed, resolve issue #979

• Fix set data validation drop list failed in some cases, resolve issue #986

• Fix formula calculation engine LOOKUP doesn't handle array form correctly, resolve issue #994

• Fix formula calculation engine LOOKUP can only find exact match, resolve issue #997

• Fix formula percentages calculated incorrectly, resolve issue #993

• Fix panic caused by incorrect cell read on some case

• Fix conditional format bottom N not working

• Fix time parse accuracy issue, resolve issue #1026 and #1030

• Fix build-in scientific number format failed, resolve issue #1027

• Fix small float parse error in some case, resolve issue #1031

• Fix worksheet deletion failed in some case

• Fix build-in time number format parse error, resolve issue #1060

• Fix NewStyle returned incorrect style ID in some case

• Fix merged cell range error after row/column insert/deletion in some corner case

Performance

• Merge cell time cost speed up, time cost decrease over 90%

• Improve streaming reading performance, unzip shared string table to system temporary file when large inner XML, memory usage decreased about 60%, related issue #1096

• Worksheet list read speed up

• Merge column styles to reduce spreadsheet size, resolve issue #1057

Miscellaneous

• The dependencies module has been updated

• Unit tests and godoc updated

• Documentation website with multilingual: Arabic, German, Spanish, English, French, Russian, Chinese, Japanese, and Korean, which has been updated