基于Golang实现Excel表格的导入导出功能
作者：敲代码der
最近项目开发中有涉及到Excel的导入与导出功能,特别是导出表格时需要特定的格式,所以本文给大家介绍了基于Golang实现Excel表格的导入导出功能,文中通过代码示例和图文介绍的非常详细,需要的朋友可以参考下
最近项目开发中有涉及到Excel的导入与导出功能，特别是导出表格时需要特定的格式（单元格合并等），废话不多说，直接上代码了。
首先用到一个第三方库，实测还是很强大很好用的，就是这个https://github.com/qax-os/excelize
引用库
go get github.com/xuri/excelize/v2
导入表格
package main
import (
"encoding/json"
"github.com/xuri/excelize/v2"
"net/http"
"strings"
)
func fileImport(w http.ResponseWriter, r *http.Request) {
// 获取请求中的文件名
formFile, _, err := r.FormFile("filename")
if err != nil {
w.Write([]byte("获取文件失败, " + err.Error()))
return
}
// 关闭
defer formFile.Close()
//
reader, err := excelize.OpenReader(formFile)
if err != nil {
w.Write([]byte("读取文件失败, " + err.Error()))
return
}
// 关闭
defer reader.Close()
rows, err := reader.GetRows("Sheet1")
if err != nil {
w.Write([]byte("获取工作表失败, " + err.Error()))
return
}
ret := make([]string, 0, 8)
for i, row := range rows {
// 每一行数据的列, 都是从0开始的, 一般0行都是表头
if i == 0 {
continue
}
value1 := row[0] // 第一列
value2 := row[1] // 第二列
// 去除空格
value1 = strings.Trim(strings.TrimSpace(value1), "\n")
value2 = strings.Trim(strings.TrimSpace(value2), "\n")
//
ret = append(ret, value1+","+value2)
}
bytes, _ := json.Marshal(ret)
w.Write(bytes)
return
}
func main() {
// HTTP服务
http.HandleFunc("/fileImport", fileImport)
err := http.ListenAndServe(":8192", nil)
if err != nil {
panic(err)
}
}
表格格式
执行后效果
导出表格
package main
import (
"encoding/json"
"fmt"
"github.com/xuri/excelize/v2"
"net/http"
"strings"
)
func fileExport(w http.ResponseWriter, r *http.Request) {
file := excelize.NewFile()
defer file.Close()
// 设置页
sheetName := "Sheet1"
// 创建
sheet, err := file.NewSheet(sheetName)
if err != nil {
w.Write([]byte("创建失败, " + err.Error()))
return
}
// 设置单元格格式
style := &excelize.Style{
Border: nil,
Fill: excelize.Fill{},
Font: nil,
Alignment: &excelize.Alignment{
Horizontal: "center",
Indent: 0,
JustifyLastLine: false,
ReadingOrder: 0,
RelativeIndent: 0,
ShrinkToFit: false,
TextRotation: 0,
Vertical: "center",
WrapText: false,
},
Protection: nil,
NumFmt: 0,
DecimalPlaces: nil,
CustomNumFmt: nil,
NegRed: false,
}
styleID, _ := file.NewStyle(style)
// 设置表头
_ = file.SetCellValue(sheetName, "A1", "款")
_ = file.SetCellStyle(sheetName, "A1", "A1", styleID)
_ = file.SetCellValue(sheetName, "B1", "尺码")
_ = file.SetCellStyle(sheetName, "B1", "B1", styleID)
// 设置值
for i := 0; i < 5; i++ {
lineStr := fmt.Sprintf("%d", i+2)
//
_ = file.SetCellValue(sheetName, "A"+lineStr, "基础款")
_ = file.SetCellStyle(sheetName, "A"+lineStr, "A"+lineStr, styleID)
//
_ = file.SetCellValue(sheetName, "B"+lineStr, "1:2:3:4:5:6")
_ = file.SetCellStyle(sheetName, "B"+lineStr, "B"+lineStr, styleID)
}
//
file.SetActiveSheet(sheet)
//
buffer, err := file.WriteToBuffer()
if err != nil {
w.Write([]byte("导出失败, " + err.Error()))
return
}
w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=%s", "导出文件.xlsx"))
w.Header().Set("Content-Type", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet")
w.Write(buffer.Bytes())
}
func main() {
// HTTP服务
http.HandleFunc("/fileImport", fileImport)
http.HandleFunc("/fileExport", fileExport)
err := http.ListenAndServe(":8192", nil)
if err != nil {
panic(err)
}
}
页面请求 http://127.0.0.1:8192/fileExport 后会直接生成xlsx文件并下载
合并单元格
package main
import (
"encoding/json"
"fmt"
"github.com/xuri/excelize/v2"
"net/http"
"strings"
)
func fileExport(w http.ResponseWriter, r *http.Request) {
file := excelize.NewFile()
defer file.Close()
// 设置页
sheetName := "Sheet1"
// 创建
sheet, err := file.NewSheet(sheetName)
if err != nil {
w.Write([]byte("创建失败, " + err.Error()))
return
}
// 设置单元格格式
style := &excelize.Style{
Border: nil, // 边框样式
Fill: excelize.Fill{},
Font: nil, // 字体样式
Alignment: &excelize.Alignment{ // 位置样式
Horizontal: "center",
Indent: 0,
JustifyLastLine: false,
ReadingOrder: 0,
RelativeIndent: 0,
ShrinkToFit: false,
TextRotation: 0,
Vertical: "center",
WrapText: false,
},
Protection: nil,
NumFmt: 0,
DecimalPlaces: nil,
CustomNumFmt: nil,
NegRed: false,
}
styleID, _ := file.NewStyle(style)
// 设置表头
_ = file.MergeCell(sheetName, "A1", "A2") // 合并单元格
_ = file.SetCellValue(sheetName, "A1", "款")
_ = file.SetCellStyle(sheetName, "A1", "A2", styleID)
_ = file.MergeCell(sheetName, "B1", "G1") // 合并单元格
_ = file.SetCellValue(sheetName, "B1", "尺码")
_ = file.SetCellStyle(sheetName, "B1", "G1", styleID)
_ = file.SetCellValue(sheetName, "B2", "XS")
_ = file.SetCellStyle(sheetName, "B2", "B2", styleID)
_ = file.SetCellValue(sheetName, "C2", "S")
_ = file.SetCellStyle(sheetName, "C2", "C2", styleID)
_ = file.SetCellValue(sheetName, "D2", "M")
_ = file.SetCellStyle(sheetName, "D2", "D2", styleID)
_ = file.SetCellValue(sheetName, "E2", "L")
_ = file.SetCellStyle(sheetName, "E2", "E2", styleID)
_ = file.SetCellValue(sheetName, "F2", "XL")
_ = file.SetCellStyle(sheetName, "F2", "F2", styleID)
_ = file.SetCellValue(sheetName, "G2", "XLL")
_ = file.SetCellStyle(sheetName, "G2", "G2", styleID)
// 设置值
for i := 0; i < 5; i++ {
lineStr := fmt.Sprintf("%d", i+3)
//
_ = file.SetCellValue(sheetName, "A"+lineStr, "基础款")
_ = file.SetCellStyle(sheetName, "A"+lineStr, "A"+lineStr, styleID)
//
split := strings.Split("1:2:3:4:5:6", ":")
_ = file.SetCellValue(sheetName, "B"+lineStr, split[0])
_ = file.SetCellStyle(sheetName, "B"+lineStr, "B"+lineStr, styleID)
_ = file.SetCellValue(sheetName, "C"+lineStr, split[1])
_ = file.SetCellStyle(sheetName, "C"+lineStr, "C"+lineStr, styleID)
_ = file.SetCellValue(sheetName, "D"+lineStr, split[2])
_ = file.SetCellStyle(sheetName, "D"+lineStr, "D"+lineStr, styleID)
_ = file.SetCellValue(sheetName, "E"+lineStr, split[3])
_ = file.SetCellStyle(sheetName, "E"+lineStr, "E"+lineStr, styleID)
_ = file.SetCellValue(sheetName, "F"+lineStr, split[4])
_ = file.SetCellStyle(sheetName, "F"+lineStr, "F"+lineStr, styleID)
_ = file.SetCellValue(sheetName, "G"+lineStr, split[5])
_ = file.SetCellStyle(sheetName, "G"+lineStr, "G"+lineStr, styleID)
}
//
file.SetActiveSheet(sheet)
//
buffer, err := file.WriteToBuffer()
if err != nil {
w.Write([]byte("导出失败, " + err.Error()))
return
}
// 设置文件名
w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=%s", "导出文件.xlsx"))
// 导出的文件格式 xlsx 或者 xsl
// xlsx application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
// xls application/vnd.ms-excel
w.Header().Set("Content-Type", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet")
w.Write(buffer.Bytes())
}
func main() {
// HTTP服务
http.HandleFunc("/fileImport", fileImport)
http.HandleFunc("/fileExport", fileExport)
err := http.ListenAndServe(":8192", nil)
if err != nil {
panic(err)
}
}
页面请求 http://127.0.0.1:8192/fileExport 后会直接生成xlsx文件并下载
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