v1.4.1

We are pleased to announce the release of version 1.4.1. 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 change log.

Release Notes

The most notable changes in this release are:

Notable Features

• New function WriteTo() has been added, it implements io.WriterTo to write the file
• New function SearchSheet() has been added to get coordinates by given worksheet name, cell value, and regular expression. Relate issue #277
• New functions ProtectSheet() and UnprotectSheet() has been added to prevent other users from accidentally or deliberately changing, moving, or deleting data in a worksheet, relate issue #273
• New functions GetMergeCells() has been added, support to get all merged cells from a worksheet currently
• Add support to flip outline summaries, relate issue #304
• Support go module
• Support set and get TopLeftCell properties of sheet view options, relate issue #310
• The function AddChart() now support to create 2D / 3D area, stacked area, 100% stacked area charts, relate issue #311

Bug Fixes

• Fix the issue caused by missing tradition to strict conversion for sharedStringsReader(), resolve issue #276
• Fix unknown option in chart format JSON struct tag
• Fix nil pointer dereference when getting cell formula in some case, resolve issue #290
• Make the function GetRows() return value avoid empty rows in the tail of the worksheet, resolve issue #195
• Fix GetSheetMap() failed in some case, resolve issue #297
• Fix delete worksheet index error in some case, resolve issue #308

Miscellaneous

• Tests refactoring, resolve issue #322
• Add a new logo for excelize, numerous documentation updates

v1.4.0

We are pleased to announce the release of 1.4.0.

Release Notes

The most notable changes in this release are:

Breaking Change

• Add error return value for functions: AddChart(), AddComment(), AddPicture(), AddShape(), AddTable() and SetConditionalFormat()

Notable Features

• New function GetComments() has been added for support retrieves all comments and returns a map of worksheet name to the worksheet comments
• New functions RGBToHSL() and HSLToRGB() has been added for support convert RGBA, HSL color
• New function NewDataValidation() and series functions DataValidation.SetDropList(), DataValidation.SetError(), DataValidation.SetInput(), DataValidation.SetRange(), DataValidation.SetSqref() and DataValidation.SetSqrefDropList() has been added for suppport data validation
• New function AddPictureFromBytes() has been added, relate issue #259
• Function GetCellFormula() now supports shared formula types, relate issue #227
• Support to parse dates further in future
• Use min/mid/max value for 2 and 3 color scale conditional formatting

Bug Fixes

• Improved commenting formatting, fix expands all comment boxes stacked all in one place
• Fix create worksheet by NewSheet() cause file issue, related issue #249

Performance

• Performance optimization 20% faster, 14% memory savings on set cell values. See Performance Figures
• Use github.com/mohae/deepcopy to deep copy worksheets instead of the internal deepcopy function that was using encoding/gob serialization and deserialization

v1.3.0

We are pleased to announce the release of 1.3.0.

Release Notes

The most notable changes in this release are:

Breaking Change

• Make row index consistent in function SetRowHeight() and GetRowHeight(), fix issue #205

Notable Features

• New function SetSheetRow() has been added for support write the whole line at once, relate issue #96 and #194
• New functions GetColOutlineLevel(), GetRowOutlineLevel(), SetColOutlineLevel() and SetRowOutlineLevel() has been added for suppport creat group
• Add iterator method for Rows, new functions Columns(), Next() and Error() has been added
• Function SetCellValue() now supports bool and time.Duration type value
• Function AddTable() now supports set name of table, relate issue #216
• Function AddPicture() now supports set the positioning of a picture, relate issue #214
• Function GetCellValue() now supports read inlineStr type cell value, relate issue #208 and pull request #209
• Function AddChart() now supports set custom chart size
• Add 3D, 3D 100%, clustered, stacked and 100% stacked bar and column series charts supported, relate issue #160 and #190
• Add a hyperlink to image support for the function AddPicture(), relate issue #185
• Add protection properties associated with the cell support, relate issue #191
• Add categories or values on reverse order (orientation of the chart) support, and set auto or fixed maximum, minimum of the axis, relate issue #202

Bug Fixes

• Fix DeleteSheet() make broken file caused by activeTab tag calculation wrong, relate issue #165
• Fix read columns count wrong in specific worksheet data, relate issue #175
• Handle special shared string table file name xl/SharedStrings.xml to make library compatibility with 1C software, relate issue #188
• Fix checkCellInArea() index out of range when the merged cell reference is single coordinate, relate issue #206
• Fix set font-family doesn't work, relate issue #222

Performance

• Make SetCellStyle() quicker by skipping conversions in checkCellInArea(), and skipping area checks when we are sure the cell can't be before or past the current row/col
• Save bytes on memory instead of string, 11% memory savings, see Performance Figures

v1.2.0

We are pleased to announce the release of 1.2.0.

Release Notes

The most notable changes in this release are:

• Performance optimization
• Improvement Golang 1.9 compatibility
• Stacked bar chart supported
• 24-hour time format supported
• API changed, use worksheet name instead of "sheet" + index
• Rename import path to github.com/360EntSecGroup-Skylar/excelize
• Add new functions SetSheetViewOptions and GetSheetViewOptions

v1.1.0

We are pleased to announce the release of v1.1.0.

Release Notes

The most notable changes in this release are:

• Feature: Conditional format support
• Count and trim sheet name in UTF-8
• Bugfix: deep copy issue with function CopySheet()