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https://github.com/bufanyun/hotgo.git
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v2.0
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82
server/utility/excel/excel.go
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82
server/utility/excel/excel.go
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@@ -0,0 +1,82 @@
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// Package excel
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// @Link https://github.com/bufanyun/hotgo
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// @Copyright Copyright (c) 2022 HotGo CLI
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// @Author Ms <133814250@qq.com>
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// @License https://github.com/bufanyun/hotgo/blob/master/LICENSE
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//
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package excel
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import (
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"fmt"
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"github.com/gogf/gf/v2/net/ghttp"
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"github.com/gogf/gf/v2/util/gconv"
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"github.com/xuri/excelize/v2"
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"net/url"
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"reflect"
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)
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func ExportByStruct(w *ghttp.ResponseWriter, titleList []string, data []interface{}, fileName string, sheetName string) error {
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f := excelize.NewFile()
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f.SetSheetName("Sheet1", sheetName)
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header := make([]string, 0)
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for _, v := range titleList {
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header = append(header, v)
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}
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rowStyleID, _ := f.NewStyle(`{"font":{"color":"#666666","size":13,"family":"arial"},"alignment":{"vertical":"center","horizontal":"center"}}`)
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_ = f.SetSheetRow(sheetName, "A1", &header)
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_ = f.SetRowHeight("Sheet1", 1, 30)
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length := len(titleList)
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headStyle := letter(length)
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var lastRow string
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var widthRow string
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for k, v := range headStyle {
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if k == length-1 {
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lastRow = fmt.Sprintf("%s1", v)
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widthRow = v
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}
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}
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if err := f.SetColWidth(sheetName, "A", widthRow, 30); err != nil {
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return err
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}
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rowNum := 1
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for _, v := range data {
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t := reflect.TypeOf(v)
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value := reflect.ValueOf(v)
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row := make([]interface{}, 0)
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for l := 0; l < t.NumField(); l++ {
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val := value.Field(l).Interface()
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row = append(row, val)
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}
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rowNum++
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err := f.SetSheetRow(sheetName, "A"+gconv.String(rowNum), &row)
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_ = f.SetCellStyle(sheetName, fmt.Sprintf("A%d", rowNum), fmt.Sprintf("%s", lastRow), rowStyleID)
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if err != nil {
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return err
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}
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}
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disposition := fmt.Sprintf("attachment; filename=%s.xlsx", url.QueryEscape(fileName))
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w.Header().Set("Content-Type", "application/octet-stream")
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w.Header().Set("Content-Disposition", disposition)
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w.Header().Set("Content-Transfer-Encoding", "binary")
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w.Header().Set("Access-Control-Expose-Headers", "Content-Disposition")
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err := f.Write(w)
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if err != nil {
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return err
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}
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return nil
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}
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// Letter 遍历a-z
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func letter(length int) []string {
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var str []string
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for i := 0; i < length; i++ {
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str = append(str, string(rune('A'+i)))
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}
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return str
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}
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