go客户之导出excel

Posted 2022-09-19 zzxiaoma

通过点击导出按钮把单据内容全部导出到excel中，先添加路由

r.HandleFunc("/cusexcel", web.Cusexcel)

通过web.Cusexcel方法进行导出

func Cusexcel(w http.ResponseWriter, r *http.Request) 

  cutomers, _ := dbdata.Cuslist()
  f := excelize.NewFile()
  index := f.NewSheet("Sheet1")
  data := [][]interface"序号", "名称", "税号", "地址", "联系人", "联系电话", "联系内容"
  for _, cutomer := range cutomers 
  row := []interface
    cutomer.Id,
    cutomer.Name,
    cutomer.Taxno,
    cutomer.Addr,
    cutomer.Contact,
    cutomer.Contel,
    cutomer.Content,
  
  data = append(data, row)
  
  for i, obj := range data 
  //--根据行和列拼接单元格名称
  name, err := excelize.JoinCellName("A", i+1)
  if err != nil 
    fmt.Println(fmt.Sprintf("拼接单元格名称失败,错误:%s", err))
    return
  
  err = f.SetSheetRow("Sheet1", name, &obj)
  if err != nil 
    fmt.Println(fmt.Sprintf("按行写入数据失败,错误:%s", err))
    return
  
  

  f.SetActiveSheet(index)
  filename := "客户.xlsx"
  w.Header().Add("Content-Type", "application/vnd.ms-excel")
  w.Header().Add("Content-Disposition", "attachment; filename="+filename)
  f.Write(w)

先从数据库中查询所有记录存入切片，然后创建文件，数据以二维的切片形式进行组织，然后循环数据创建单元格和数据的对应关系，最后设置header信息以下载文件的方式返回。导出excel需要引入第三方库github.com/xuri/excelize/v2