600 lines
18 KiB
Go
600 lines
18 KiB
Go
// Copyright 2016 - 2019 The excelize Authors. All rights reserved. Use of
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// this source code is governed by a BSD-style license that can be found in
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// the LICENSE file.
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//
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// Package excelize providing a set of functions that allow you to write to
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// and read from XLSX files. Support reads and writes XLSX file generated by
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// Microsoft Excel™ 2007 and later. Support save file without losing original
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// charts of XLSX. This library needs Go version 1.8 or later.
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package excelize
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import (
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"encoding/xml"
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"fmt"
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"reflect"
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"strconv"
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"strings"
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"time"
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)
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const (
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// STCellFormulaTypeArray defined the formula is an array formula.
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STCellFormulaTypeArray = "array"
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// STCellFormulaTypeDataTable defined the formula is a data table formula.
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STCellFormulaTypeDataTable = "dataTable"
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// STCellFormulaTypeNormal defined the formula is a regular cell formula.
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STCellFormulaTypeNormal = "normal"
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// STCellFormulaTypeShared defined the formula is part of a shared formula.
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STCellFormulaTypeShared = "shared"
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)
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// mergeCellsParser provides a function to check merged cells in worksheet by
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// given axis.
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func (f *File) mergeCellsParser(xlsx *xlsxWorksheet, axis string) string {
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axis = strings.ToUpper(axis)
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if xlsx.MergeCells != nil {
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for i := 0; i < len(xlsx.MergeCells.Cells); i++ {
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if checkCellInArea(axis, xlsx.MergeCells.Cells[i].Ref) {
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axis = strings.Split(xlsx.MergeCells.Cells[i].Ref, ":")[0]
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}
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}
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}
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return axis
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}
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// SetCellValue provides a function to set value of a cell. The following
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// shows the supported data types:
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//
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// int
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// int8
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// int16
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// int32
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// int64
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// uint
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// uint8
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// uint16
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// uint32
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// uint64
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// float32
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// float64
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// string
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// []byte
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// time.Duration
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// time.Time
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// bool
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// nil
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//
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// Note that default date format is m/d/yy h:mm of time.Time type value. You can
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// set numbers format by SetCellStyle() method.
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func (f *File) SetCellValue(sheet, axis string, value interface{}) {
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switch t := value.(type) {
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case float32:
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f.SetCellDefault(sheet, axis, strconv.FormatFloat(float64(value.(float32)), 'f', -1, 32))
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case float64:
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f.SetCellDefault(sheet, axis, strconv.FormatFloat(float64(value.(float64)), 'f', -1, 64))
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case string:
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f.SetCellStr(sheet, axis, t)
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case []byte:
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f.SetCellStr(sheet, axis, string(t))
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case time.Duration:
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f.SetCellDefault(sheet, axis, strconv.FormatFloat(float64(value.(time.Duration).Seconds()/86400), 'f', -1, 32))
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f.setDefaultTimeStyle(sheet, axis, 21)
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case time.Time:
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f.SetCellDefault(sheet, axis, strconv.FormatFloat(float64(timeToExcelTime(timeToUTCTime(value.(time.Time)))), 'f', -1, 64))
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f.setDefaultTimeStyle(sheet, axis, 22)
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case nil:
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f.SetCellStr(sheet, axis, "")
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case bool:
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f.SetCellBool(sheet, axis, bool(value.(bool)))
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default:
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f.setCellIntValue(sheet, axis, value)
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}
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}
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// setCellIntValue provides a function to set int value of a cell.
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func (f *File) setCellIntValue(sheet, axis string, value interface{}) {
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switch value.(type) {
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case int:
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f.SetCellInt(sheet, axis, value.(int))
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case int8:
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f.SetCellInt(sheet, axis, int(value.(int8)))
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case int16:
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f.SetCellInt(sheet, axis, int(value.(int16)))
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case int32:
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f.SetCellInt(sheet, axis, int(value.(int32)))
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case int64:
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f.SetCellInt(sheet, axis, int(value.(int64)))
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case uint:
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f.SetCellInt(sheet, axis, int(value.(uint)))
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case uint8:
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f.SetCellInt(sheet, axis, int(value.(uint8)))
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case uint16:
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f.SetCellInt(sheet, axis, int(value.(uint16)))
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case uint32:
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f.SetCellInt(sheet, axis, int(value.(uint32)))
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case uint64:
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f.SetCellInt(sheet, axis, int(value.(uint64)))
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default:
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f.SetCellStr(sheet, axis, fmt.Sprintf("%v", value))
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}
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}
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// SetCellBool provides a function to set bool type value of a cell by given
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// worksheet name, cell coordinates and cell value.
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func (f *File) SetCellBool(sheet, axis string, value bool) {
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xlsx := f.workSheetReader(sheet)
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axis = f.mergeCellsParser(xlsx, axis)
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col := string(strings.Map(letterOnlyMapF, axis))
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row, err := strconv.Atoi(strings.Map(intOnlyMapF, axis))
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if err != nil {
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return
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}
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xAxis := row - 1
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yAxis := TitleToNumber(col)
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rows := xAxis + 1
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cell := yAxis + 1
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completeRow(xlsx, rows, cell)
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completeCol(xlsx, rows, cell)
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xlsx.SheetData.Row[xAxis].C[yAxis].S = f.prepareCellStyle(xlsx, cell, xlsx.SheetData.Row[xAxis].C[yAxis].S)
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xlsx.SheetData.Row[xAxis].C[yAxis].T = "b"
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if value {
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xlsx.SheetData.Row[xAxis].C[yAxis].V = "1"
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} else {
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xlsx.SheetData.Row[xAxis].C[yAxis].V = "0"
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}
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}
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// GetCellValue provides a function to get formatted value from cell by given
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// worksheet name and axis in XLSX file. If it is possible to apply a format
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// to the cell value, it will do so, if not then an error will be returned,
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// along with the raw value of the cell.
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func (f *File) GetCellValue(sheet, axis string) string {
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xlsx := f.workSheetReader(sheet)
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axis = f.mergeCellsParser(xlsx, axis)
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row, err := strconv.Atoi(strings.Map(intOnlyMapF, axis))
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if err != nil {
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return ""
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}
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xAxis := row - 1
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rows := len(xlsx.SheetData.Row)
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if rows > 1 {
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lastRow := xlsx.SheetData.Row[rows-1].R
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if lastRow >= rows {
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rows = lastRow
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}
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}
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if rows < xAxis {
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return ""
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}
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for k := range xlsx.SheetData.Row {
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if xlsx.SheetData.Row[k].R == row {
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for i := range xlsx.SheetData.Row[k].C {
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if axis == xlsx.SheetData.Row[k].C[i].R {
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val, _ := xlsx.SheetData.Row[k].C[i].getValueFrom(f, f.sharedStringsReader())
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return val
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}
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}
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}
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}
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return ""
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}
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// formattedValue provides a function to returns a value after formatted. If
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// it is possible to apply a format to the cell value, it will do so, if not
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// then an error will be returned, along with the raw value of the cell.
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func (f *File) formattedValue(s int, v string) string {
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if s == 0 {
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return v
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}
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styleSheet := f.stylesReader()
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ok := builtInNumFmtFunc[styleSheet.CellXfs.Xf[s].NumFmtID]
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if ok != nil {
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return ok(styleSheet.CellXfs.Xf[s].NumFmtID, v)
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}
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return v
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}
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// GetCellStyle provides a function to get cell style index by given worksheet
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// name and cell coordinates.
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func (f *File) GetCellStyle(sheet, axis string) int {
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xlsx := f.workSheetReader(sheet)
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axis = f.mergeCellsParser(xlsx, axis)
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col := string(strings.Map(letterOnlyMapF, axis))
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row, err := strconv.Atoi(strings.Map(intOnlyMapF, axis))
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if err != nil {
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return 0
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}
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xAxis := row - 1
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yAxis := TitleToNumber(col)
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rows := xAxis + 1
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cell := yAxis + 1
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completeRow(xlsx, rows, cell)
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completeCol(xlsx, rows, cell)
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return f.prepareCellStyle(xlsx, cell, xlsx.SheetData.Row[xAxis].C[yAxis].S)
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}
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// GetCellFormula provides a function to get formula from cell by given
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// worksheet name and axis in XLSX file.
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func (f *File) GetCellFormula(sheet, axis string) string {
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xlsx := f.workSheetReader(sheet)
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axis = f.mergeCellsParser(xlsx, axis)
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row, err := strconv.Atoi(strings.Map(intOnlyMapF, axis))
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if err != nil {
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return ""
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}
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xAxis := row - 1
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rows := len(xlsx.SheetData.Row)
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if rows > 1 {
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lastRow := xlsx.SheetData.Row[rows-1].R
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if lastRow >= rows {
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rows = lastRow
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}
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}
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if rows < xAxis {
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return ""
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}
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for k := range xlsx.SheetData.Row {
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if xlsx.SheetData.Row[k].R == row {
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for i := range xlsx.SheetData.Row[k].C {
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if axis == xlsx.SheetData.Row[k].C[i].R {
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if xlsx.SheetData.Row[k].C[i].F == nil {
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continue
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}
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if xlsx.SheetData.Row[k].C[i].F.T == STCellFormulaTypeShared {
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return getSharedForumula(xlsx, xlsx.SheetData.Row[k].C[i].F.Si)
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}
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return xlsx.SheetData.Row[k].C[i].F.Content
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}
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}
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}
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}
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return ""
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}
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// getSharedForumula find a cell contains the same formula as another cell,
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// the "shared" value can be used for the t attribute and the si attribute can
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// be used to refer to the cell containing the formula. Two formulas are
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// considered to be the same when their respective representations in
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// R1C1-reference notation, are the same.
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//
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// Note that this function not validate ref tag to check the cell if or not in
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// allow area, and always return origin shared formula.
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func getSharedForumula(xlsx *xlsxWorksheet, si string) string {
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for k := range xlsx.SheetData.Row {
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for i := range xlsx.SheetData.Row[k].C {
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if xlsx.SheetData.Row[k].C[i].F == nil {
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continue
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}
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if xlsx.SheetData.Row[k].C[i].F.T != STCellFormulaTypeShared {
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continue
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}
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if xlsx.SheetData.Row[k].C[i].F.Si != si {
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continue
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}
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if xlsx.SheetData.Row[k].C[i].F.Ref != "" {
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return xlsx.SheetData.Row[k].C[i].F.Content
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}
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}
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}
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return ""
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}
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// SetCellFormula provides a function to set cell formula by given string and
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// worksheet name.
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func (f *File) SetCellFormula(sheet, axis, formula string) {
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xlsx := f.workSheetReader(sheet)
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axis = f.mergeCellsParser(xlsx, axis)
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col := string(strings.Map(letterOnlyMapF, axis))
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row, err := strconv.Atoi(strings.Map(intOnlyMapF, axis))
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if err != nil {
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return
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}
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xAxis := row - 1
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yAxis := TitleToNumber(col)
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rows := xAxis + 1
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cell := yAxis + 1
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completeRow(xlsx, rows, cell)
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completeCol(xlsx, rows, cell)
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if xlsx.SheetData.Row[xAxis].C[yAxis].F != nil {
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xlsx.SheetData.Row[xAxis].C[yAxis].F.Content = formula
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} else {
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f := xlsxF{
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Content: formula,
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}
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xlsx.SheetData.Row[xAxis].C[yAxis].F = &f
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}
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}
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// SetCellHyperLink provides a function to set cell hyperlink by given
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// worksheet name and link URL address. LinkType defines two types of
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// hyperlink "External" for web site or "Location" for moving to one of cell
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// in this workbook. The below is example for external link.
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//
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// xlsx.SetCellHyperLink("Sheet1", "A3", "https://github.com/360EntSecGroup-Skylar/excelize", "External")
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// // Set underline and font color style for the cell.
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// style, _ := xlsx.NewStyle(`{"font":{"color":"#1265BE","underline":"single"}}`)
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// xlsx.SetCellStyle("Sheet1", "A3", "A3", style)
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//
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// A this is another example for "Location":
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//
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// xlsx.SetCellHyperLink("Sheet1", "A3", "Sheet1!A40", "Location")
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//
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func (f *File) SetCellHyperLink(sheet, axis, link, linkType string) {
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xlsx := f.workSheetReader(sheet)
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axis = f.mergeCellsParser(xlsx, axis)
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linkTypes := map[string]xlsxHyperlink{
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"External": {},
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"Location": {Location: link},
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}
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hyperlink, ok := linkTypes[linkType]
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if !ok || axis == "" {
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return
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}
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hyperlink.Ref = axis
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if linkType == "External" {
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rID := f.addSheetRelationships(sheet, SourceRelationshipHyperLink, link, linkType)
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hyperlink.RID = "rId" + strconv.Itoa(rID)
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}
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if xlsx.Hyperlinks == nil {
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xlsx.Hyperlinks = &xlsxHyperlinks{}
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}
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xlsx.Hyperlinks.Hyperlink = append(xlsx.Hyperlinks.Hyperlink, hyperlink)
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}
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// GetCellHyperLink provides a function to get cell hyperlink by given
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// worksheet name and axis. Boolean type value link will be ture if the cell
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// has a hyperlink and the target is the address of the hyperlink. Otherwise,
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// the value of link will be false and the value of the target will be a blank
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// string. For example get hyperlink of Sheet1!H6:
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//
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// link, target := xlsx.GetCellHyperLink("Sheet1", "H6")
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//
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func (f *File) GetCellHyperLink(sheet, axis string) (bool, string) {
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var link bool
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var target string
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xlsx := f.workSheetReader(sheet)
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axis = f.mergeCellsParser(xlsx, axis)
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if xlsx.Hyperlinks == nil || axis == "" {
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return link, target
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}
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for h := range xlsx.Hyperlinks.Hyperlink {
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if xlsx.Hyperlinks.Hyperlink[h].Ref == axis {
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link = true
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target = xlsx.Hyperlinks.Hyperlink[h].Location
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if xlsx.Hyperlinks.Hyperlink[h].RID != "" {
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target = f.getSheetRelationshipsTargetByID(sheet, xlsx.Hyperlinks.Hyperlink[h].RID)
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}
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}
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}
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return link, target
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}
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// MergeCell provides a function to merge cells by given coordinate area and
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// sheet name. For example create a merged cell of D3:E9 on Sheet1:
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//
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// xlsx.MergeCell("Sheet1", "D3", "E9")
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//
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// If you create a merged cell that overlaps with another existing merged cell,
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// those merged cells that already exist will be removed.
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func (f *File) MergeCell(sheet, hcell, vcell string) {
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if hcell == vcell {
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return
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}
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hcell = strings.ToUpper(hcell)
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vcell = strings.ToUpper(vcell)
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// Coordinate conversion, convert C1:B3 to 2,0,1,2.
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hcol := string(strings.Map(letterOnlyMapF, hcell))
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hrow, _ := strconv.Atoi(strings.Map(intOnlyMapF, hcell))
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hyAxis := hrow - 1
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hxAxis := TitleToNumber(hcol)
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vcol := string(strings.Map(letterOnlyMapF, vcell))
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vrow, _ := strconv.Atoi(strings.Map(intOnlyMapF, vcell))
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vyAxis := vrow - 1
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vxAxis := TitleToNumber(vcol)
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if vxAxis < hxAxis {
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hcell, vcell = vcell, hcell
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vxAxis, hxAxis = hxAxis, vxAxis
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}
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if vyAxis < hyAxis {
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hcell, vcell = vcell, hcell
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vyAxis, hyAxis = hyAxis, vyAxis
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}
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xlsx := f.workSheetReader(sheet)
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if xlsx.MergeCells != nil {
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mergeCell := xlsxMergeCell{}
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// Correct the coordinate area, such correct C1:B3 to B1:C3.
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mergeCell.Ref = ToAlphaString(hxAxis) + strconv.Itoa(hyAxis+1) + ":" + ToAlphaString(vxAxis) + strconv.Itoa(vyAxis+1)
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// Delete the merged cells of the overlapping area.
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for i := 0; i < len(xlsx.MergeCells.Cells); i++ {
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if checkCellInArea(hcell, xlsx.MergeCells.Cells[i].Ref) || checkCellInArea(strings.Split(xlsx.MergeCells.Cells[i].Ref, ":")[0], mergeCell.Ref) {
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xlsx.MergeCells.Cells = append(xlsx.MergeCells.Cells[:i], xlsx.MergeCells.Cells[i+1:]...)
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} else if checkCellInArea(vcell, xlsx.MergeCells.Cells[i].Ref) || checkCellInArea(strings.Split(xlsx.MergeCells.Cells[i].Ref, ":")[1], mergeCell.Ref) {
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xlsx.MergeCells.Cells = append(xlsx.MergeCells.Cells[:i], xlsx.MergeCells.Cells[i+1:]...)
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}
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}
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xlsx.MergeCells.Cells = append(xlsx.MergeCells.Cells, &mergeCell)
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} else {
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mergeCell := xlsxMergeCell{}
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// Correct the coordinate area, such correct C1:B3 to B1:C3.
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mergeCell.Ref = ToAlphaString(hxAxis) + strconv.Itoa(hyAxis+1) + ":" + ToAlphaString(vxAxis) + strconv.Itoa(vyAxis+1)
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mergeCells := xlsxMergeCells{}
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mergeCells.Cells = append(mergeCells.Cells, &mergeCell)
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xlsx.MergeCells = &mergeCells
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}
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}
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// SetCellInt provides a function to set int type value of a cell by given
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// worksheet name, cell coordinates and cell value.
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func (f *File) SetCellInt(sheet, axis string, value int) {
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xlsx := f.workSheetReader(sheet)
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axis = f.mergeCellsParser(xlsx, axis)
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col := string(strings.Map(letterOnlyMapF, axis))
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row, err := strconv.Atoi(strings.Map(intOnlyMapF, axis))
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if err != nil {
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return
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}
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xAxis := row - 1
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yAxis := TitleToNumber(col)
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rows := xAxis + 1
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cell := yAxis + 1
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completeRow(xlsx, rows, cell)
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completeCol(xlsx, rows, cell)
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xlsx.SheetData.Row[xAxis].C[yAxis].S = f.prepareCellStyle(xlsx, cell, xlsx.SheetData.Row[xAxis].C[yAxis].S)
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|
xlsx.SheetData.Row[xAxis].C[yAxis].T = ""
|
|
xlsx.SheetData.Row[xAxis].C[yAxis].V = strconv.Itoa(value)
|
|
}
|
|
|
|
// prepareCellStyle provides a function to prepare style index of cell in
|
|
// worksheet by given column index and style index.
|
|
func (f *File) prepareCellStyle(xlsx *xlsxWorksheet, col, style int) int {
|
|
if xlsx.Cols != nil && style == 0 {
|
|
for _, v := range xlsx.Cols.Col {
|
|
if v.Min <= col && col <= v.Max {
|
|
style = v.Style
|
|
}
|
|
}
|
|
}
|
|
return style
|
|
}
|
|
|
|
// SetCellStr provides a function to set string type value of a cell. Total
|
|
// number of characters that a cell can contain 32767 characters.
|
|
func (f *File) SetCellStr(sheet, axis, value string) {
|
|
xlsx := f.workSheetReader(sheet)
|
|
axis = f.mergeCellsParser(xlsx, axis)
|
|
if len(value) > 32767 {
|
|
value = value[0:32767]
|
|
}
|
|
col := string(strings.Map(letterOnlyMapF, axis))
|
|
row, err := strconv.Atoi(strings.Map(intOnlyMapF, axis))
|
|
if err != nil {
|
|
return
|
|
}
|
|
xAxis := row - 1
|
|
yAxis := TitleToNumber(col)
|
|
|
|
rows := xAxis + 1
|
|
cell := yAxis + 1
|
|
|
|
completeRow(xlsx, rows, cell)
|
|
completeCol(xlsx, rows, cell)
|
|
|
|
// Leading space(s) character detection.
|
|
if len(value) > 0 {
|
|
if value[0] == 32 {
|
|
xlsx.SheetData.Row[xAxis].C[yAxis].XMLSpace = xml.Attr{
|
|
Name: xml.Name{Space: NameSpaceXML, Local: "space"},
|
|
Value: "preserve",
|
|
}
|
|
}
|
|
}
|
|
xlsx.SheetData.Row[xAxis].C[yAxis].S = f.prepareCellStyle(xlsx, cell, xlsx.SheetData.Row[xAxis].C[yAxis].S)
|
|
xlsx.SheetData.Row[xAxis].C[yAxis].T = "str"
|
|
xlsx.SheetData.Row[xAxis].C[yAxis].V = value
|
|
}
|
|
|
|
// SetCellDefault provides a function to set string type value of a cell as
|
|
// default format without escaping the cell.
|
|
func (f *File) SetCellDefault(sheet, axis, value string) {
|
|
xlsx := f.workSheetReader(sheet)
|
|
axis = f.mergeCellsParser(xlsx, axis)
|
|
col := string(strings.Map(letterOnlyMapF, axis))
|
|
row, err := strconv.Atoi(strings.Map(intOnlyMapF, axis))
|
|
if err != nil {
|
|
return
|
|
}
|
|
xAxis := row - 1
|
|
yAxis := TitleToNumber(col)
|
|
|
|
rows := xAxis + 1
|
|
cell := yAxis + 1
|
|
|
|
completeRow(xlsx, rows, cell)
|
|
completeCol(xlsx, rows, cell)
|
|
|
|
xlsx.SheetData.Row[xAxis].C[yAxis].S = f.prepareCellStyle(xlsx, cell, xlsx.SheetData.Row[xAxis].C[yAxis].S)
|
|
xlsx.SheetData.Row[xAxis].C[yAxis].T = ""
|
|
xlsx.SheetData.Row[xAxis].C[yAxis].V = value
|
|
}
|
|
|
|
// SetSheetRow writes an array to row by given worksheet name, starting
|
|
// coordinate and a pointer to array type 'slice'. For example, writes an
|
|
// array to row 6 start with the cell B6 on Sheet1:
|
|
//
|
|
// xlsx.SetSheetRow("Sheet1", "B6", &[]interface{}{"1", nil, 2})
|
|
//
|
|
func (f *File) SetSheetRow(sheet, axis string, slice interface{}) {
|
|
xlsx := f.workSheetReader(sheet)
|
|
axis = f.mergeCellsParser(xlsx, axis)
|
|
col := string(strings.Map(letterOnlyMapF, axis))
|
|
row, err := strconv.Atoi(strings.Map(intOnlyMapF, axis))
|
|
if err != nil {
|
|
return
|
|
}
|
|
// Make sure 'slice' is a Ptr to Slice
|
|
v := reflect.ValueOf(slice)
|
|
if v.Kind() != reflect.Ptr {
|
|
return
|
|
}
|
|
v = v.Elem()
|
|
if v.Kind() != reflect.Slice {
|
|
return
|
|
}
|
|
|
|
xAxis := row - 1
|
|
yAxis := TitleToNumber(col)
|
|
|
|
rows := xAxis + 1
|
|
cell := yAxis + 1
|
|
|
|
completeRow(xlsx, rows, cell)
|
|
completeCol(xlsx, rows, cell)
|
|
|
|
idx := 0
|
|
for i := cell - 1; i < v.Len()+cell-1; i++ {
|
|
c := ToAlphaString(i) + strconv.Itoa(row)
|
|
f.SetCellValue(sheet, c, v.Index(idx).Interface())
|
|
idx++
|
|
}
|
|
}
|
|
|
|
// checkCellInArea provides a function to determine if a given coordinate is
|
|
// within an area.
|
|
func checkCellInArea(cell, area string) bool {
|
|
cell = strings.ToUpper(cell)
|
|
area = strings.ToUpper(area)
|
|
|
|
ref := strings.Split(area, ":")
|
|
if len(ref) < 2 {
|
|
return false
|
|
}
|
|
|
|
from := ref[0]
|
|
to := ref[1]
|
|
|
|
col, row := getCellColRow(cell)
|
|
fromCol, fromRow := getCellColRow(from)
|
|
toCol, toRow := getCellColRow(to)
|
|
|
|
return axisLowerOrEqualThan(fromCol, col) && axisLowerOrEqualThan(col, toCol) && axisLowerOrEqualThan(fromRow, row) && axisLowerOrEqualThan(row, toRow)
|
|
}
|