/
export_by_cell.go
127 lines (111 loc) · 3.36 KB
/
export_by_cell.go
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// Copyright (c) 2021 Terminus, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package excel
import (
"fmt"
"io"
"time"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/tealeg/xlsx/v3"
)
// ExportExcelByCell 支持 cell 粒度配置,可以实现单元格合并,样式调整等
func ExportExcelByCell(w io.Writer, data [][]Cell, sheetName string) error {
begin := time.Now()
defer func() {
end := time.Now()
logrus.Debugf("export excel cost: %fs", end.Sub(begin).Seconds())
}()
file := xlsx.NewFile()
sheet, err := file.AddSheet(sheetName)
if err != nil {
return fmt.Errorf("failed to add sheet, sheetName: %s, err: %v", sheetName, err)
}
generateCell(sheet, data)
return write(w, file, sheetName)
}
func generateCell(sheet *xlsx.Sheet, data [][]Cell) {
for _, cells := range data {
row := sheet.AddRow()
for _, cell := range cells {
xlsxCell := row.AddCell()
xlsxCell.Value = cell.Value
xlsxCell.HMerge = cell.HorizontalMergeNum
xlsxCell.VMerge = cell.VerticalMergeNum
}
}
style := xlsx.NewStyle()
style.Alignment.Horizontal = "center"
style.Alignment.Vertical = "center"
style.Alignment.ShrinkToFit = true
style.Alignment.WrapText = true
_ = sheet.ForEachRow(func(r *xlsx.Row) error {
_ = r.ForEachCell(func(c *xlsx.Cell) error {
c.SetStyle(style)
return nil
}, xlsx.SkipEmptyCells)
r.SetHeightCM(1.5)
return nil
}, xlsx.SkipEmptyRows)
}
func Export(w io.Writer, data [][]Cell, sheetName string) error {
file := xlsx.NewFile()
sheet, err := file.AddSheet(sheetName)
if err != nil {
return fmt.Errorf("failed to add sheet, sheetName: %s, err: %v", sheetName, err)
}
generateCell(sheet, data)
if err := file.Write(w); err != nil {
return errors.Errorf("failed to write content, sheetName: %s, err: %v", sheetName, err)
}
return nil
}
type XlsxFile struct {
file *xlsx.File
}
func NewXLSXFile() *XlsxFile {
return &XlsxFile{file: xlsx.NewFile()}
}
func AddSheetByCell(f *XlsxFile, data [][]Cell, sheetName string) error {
sheet, err := f.file.AddSheet(sheetName)
if err != nil {
return fmt.Errorf("failed to add sheet, sheetName: %s, err: %v", sheetName, err)
}
for _, cells := range data {
row := sheet.AddRow()
for _, cell := range cells {
xlsxCell := row.AddCell()
xlsxCell.Value = cell.Value
xlsxCell.HMerge = cell.HorizontalMergeNum
xlsxCell.VMerge = cell.VerticalMergeNum
}
}
style := xlsx.NewStyle()
style.Alignment.Horizontal = "center"
style.Alignment.Vertical = "center"
style.Alignment.ShrinkToFit = true
style.Alignment.WrapText = true
_ = sheet.ForEachRow(func(r *xlsx.Row) error {
_ = r.ForEachCell(func(c *xlsx.Cell) error {
c.SetStyle(style)
return nil
}, xlsx.SkipEmptyCells)
r.SetHeightCM(1.5)
return nil
}, xlsx.SkipEmptyRows)
return nil
}
func WriteFile(w io.Writer, f *XlsxFile, filename string) error {
return write(w, f.file, filename)
}