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excelize
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63 Commits

Author SHA1 Message Date
xuri 3ee3c38f9c
Fix file corrupted in some cases, check file extension and format code 
Fix file corrupted when save as in XLAM / XLSM / XLTM / XLTX extension in some case
New exported error ErrWorkbookExt has been added, and check file extension on save the workbook
Format source code with `gofumpt`
 2022-01-23 00:48:26 +08:00
xuri 891e5baac1
ref #1096, reduce memory usage by about 50% for large data spreadsheet 2022-01-11 00:31:11 +08:00
xuri 2245fccca0
Typo fix, rename exported constants, dependencies modules and copyright update 
Rename exported constants `NameSpaceDublinCoreMetadataIntiative` to `NameSpaceDublinCoreMetadataInitiative`
 2022-01-09 00:20:42 +08:00
xuri 89b85934f6
This closes #1096, memory usage optimization and another 4 changes 
- Unzip shared string table to system temporary file when large inner XML, reduce memory usage about 70%
- Remove unnecessary exported variable `XMLHeader`, we can using `encoding/xml` package's `xml.Header` instead of it
- Using constant instead of inline text for default XML path
- Rename exported option field `WorksheetUnzipMemLimit` to `UnzipXMLSizeLimit`
- Unit test and documentation updated
 2021-12-27 23:49:28 +08:00
xuri 44a13aa402
Export 7 errors so users can act differently on different type of errors 2021-12-07 00:26:53 +08:00
xuri bb0eb4a42b
This closes #1075, reload temporary files into memory on save 2021-12-01 00:10:31 +08:00
xuri 790c363cce This closes #833, closes #845, and closes #1022, breaking changes 
- Close spreadsheet and row's iterator required
- New options `WorksheetUnzipMemLimit` have been added
- Improve streaming reading performance, memory usage decrease about 93.7%
 2021-09-19 11:06:54 +08:00
xuri 48c16de8bf
Improve security and simplify code 
- Make variable name more semantic
- Reduce cyclomatic complexities for the formula calculate function
- Support specified unzip size limit on open file options, avoid zip bombs vulnerability attack
- Typo fix for documentation and error message
 2021-08-15 00:06:40 +08:00
xuri 2ced00d6a8
This closes #872, support re-save the new spreadsheet after `SaveAs` 2021-07-09 00:04:58 +08:00
xuri 544ef18a8c
- Support concurrency iterate rows and columns 
- Rename exported field `File.XLSX` to `File.Pkg`
- Exported error message
 2021-07-05 00:03:56 +08:00
xuri 0e02329bed
This closes #861, support concurrency get cell picture and remove unused internal function `getSheetNameByID` 2021-07-04 12:13:06 +08:00
Zitao 24967a5c25
feat: stream write to zip directly (#863) 2021-06-22 14:06:08 +08:00
xuri be12cc27f1
This closes #652, new SetColWidth API, support set column width in stream writing mode, and export error message 2021-05-10 00:09:24 +08:00
xuri f8f699a172
Go 1.15 and later required, #65 fn: IMABS, IMCOS, IMCOSH, IMCOT, IMCSC, IMCSCH, IMEXP, IMLN and IMLOG10 2021-04-04 15:29:43 +08:00
xuri 89c262fc1d
Fixed #813, streaming data writer result missing after call normal API 
#65 formula function: COMPLEX
 2021-04-03 22:56:02 +08:00
xuri 2af96c0714
#65 fn: N, PERCENTILE.INC and T 
typo fixed
 2021-03-30 23:02:22 +08:00
xuri 36b7990d6b
lint issue fixed and new formula function: ATAN, AVERAGE, AVERAGEA, CONCAT, CONCATENATE, COUNT, COUNTBLANK, MAX 2021-02-15 00:09:35 +08:00
xuri 2514bb16c6 Fix #724, standardize variable naming and update unit tests 2020-11-11 01:03:56 +08:00
Lijingfeng 93160287bb
Optimize memory usage when stream flush and save (#659) 
* use io.Copy from stream temp file to zip Writer

* fix nil

* log

* build

* delete log

* fix compatibility for office

* Update go module

Co-authored-by: lijingfeng <lijingfeng@laiye.com>
Co-authored-by: xuri <xuri.me@gmail.com>
 2020-10-05 22:17:11 +08:00
Artem Kustikov f2b8798a34
extend cell value load to support custom datetime format (#703) 
* extend cell value load to support custom datetime format

* cleanup incorrect imports

* fix numeric values conversion as done in legacy Excel

* fix tests coverage

* revert temporary package name fix

* remove personal info from test XLSX files

* remove unused dependencies

* update format conversion in parseTime

* new UT to increase code coverage

* Resolve code review issue for PR #703

* Rename broken file name generated by unit test

Co-authored-by: xuri <xuri.me@gmail.com>
 2020-10-04 21:07:39 +08:00
xuri 89465f41b5
Update dependency package version and docs for the OpenFile 2020-09-22 22:29:43 +08:00
xuri 324f87bcae
add checking and limits for the worksheet 2020-09-18 22:20:58 +08:00
xuri 01afc6e03f init ECMA-376 agile encryption support 2020-09-06 19:32:00 +08:00
xuri 15fd56853f
Update docs and typo fixed 2020-06-22 00:14:56 +08:00
xuri 2ae631376b
add limits for total columns, row and filename length 2020-05-29 00:26:40 +08:00
xuri 66d0272f6a
Resolve #172, init rich text support 2020-04-06 00:23:27 +08:00
xuri 09485b3f9f
Improve code coverage unit tests 2019-12-29 16:02:31 +08:00
Alex Geer b1b3c0d151 Fix #539 Fixed error opening excel file created in encoding d… (#540) 
* Fixed issue #539 Fixed error opening excel file created in encoding different from UTF-8, added logging of possible errors when decoding XML if the function does not provide exit with an error

* Added test for CharsetReader

* Fixed #discussion_r359397878

Discussion: https://github.com/360EntSecGroup-Skylar/excelize/pull/540#discussion_r359397878

* Fixed go fmt

* go mod tidy and removed unused imports

* The code has been refactored
 2019-12-20 00:30:48 +08:00
xuri 8922f65978
Combine functions: 
workBookRelsWriter, drawingRelsWriter into relsWriter;
drawingRelsReader, workbookRelsReader, workSheetRelsReader into relsReader;
addDrawingRelationships, addSheetRelationships into addRels
 2019-09-16 01:17:35 +08:00
xuri 9c70d0ac86
Documentation updated, Go 1.10+ required 2019-08-11 00:36:14 +08:00
zaddok 5107928892
Fix potential memory leak 
Fix potential memory leak where zw is not Close() when an error occurs.
 2019-08-09 09:47:06 +10:00
xuri f2df344739
Resolve #369,#370 
add error return value

exported functions:

GetMergeCells
ProtectSheet
UnprotectSheet
UpdateLinkedValue
GetMergeCells
SetSheetVisible

inner functions:

workSheetReader
copySheet
 2019-04-15 11:22:57 +08:00
xuri f66212da9b
Resolve #106, #294 performance optimization for add hyperlink 2019-02-26 14:21:44 +08:00
xuri 1aed1d744b
Resolve #274, performance optimization for add images, charts and shapes 2019-02-25 22:14:34 +08:00
BluesJhao 1427027e38 Resolve #235, performance optimization for add comments (#347) 2019-02-25 00:29:58 +08:00
xuri 0072bb7310
resolve the issue corrupted xlsx after deleting formula of cell, reference #346 2019-02-22 22:17:38 +08:00
xuri fabd9d013f
README updated 2019-01-01 13:20:14 +08:00
lizheao 2be4d45c62 feat: add new function and refactor writeto action 
* add new exported function to get Excel file content buffer

* refactor the WriteTo function
 2018-10-12 10:25:10 +08:00
xuri 3e004d900b
Comments style changed. 2018-09-14 00:58:48 +08:00
xuri 13a9769cc5
Comments style changed. 2018-09-14 00:44:23 +08:00
xuri 2f146c923c
Comments style changed. 2018-09-14 00:35:47 +08:00
xuri b4a6e61ec3
Fix golint errors under confidence 0.1 2018-09-12 15:47:56 +08:00
xuri ec37b114c3
Fixes #256 and format document. 2018-08-06 10:21:24 +08:00
xuri d6468fc114
- Initialize theme support; 
- RGBA, HSL color convert has been added;
- go test updated
 2018-07-07 15:59:48 +08:00
Olivier Mengué 2132de1a08 Extract WriteTo method (see io.WriterTo) to expose bytes written 
Extract a WriteTo() method (see io.WriterTo) that exposes the count of bytes
written and rewrite Write() to use it.
 2018-06-14 17:00:00 +02:00
xuri aaced358f1
- Initialize shared formula types support, relate issue #227; 
- go test and godoc has been updated
 2018-05-26 16:23:15 +08:00
Lunny Xiao 38ad20efc1
save bytes on memory instead of string 2018-05-07 16:12:51 +08:00
Ri Xu f05f799f8d
- API changed, use worksheet name instead of "sheet" + index, related issue #25, #43, #47, #51, #89, #101, #116 and #120. 
- go test updated
 2017-09-13 22:00:33 +08:00
Ri Xu 66e5d1fa80
API changed, use `NewFile()` instead of `CreateFile()` and use `SaveAs()` instead of `WriteTo()`. 2017-06-28 17:03:20 +08:00
Ri Xu 35841caaf1
- Function `formattedValue()` performance improvement by avoid repeating deserialization, relate issue #64; 
- Make function `ToAlphaString()` exportable, relate issue #63
 2017-06-26 18:44:19 +08:00