Go で簡単に Excelを作成するライブラリ。 色、罫線、網掛けを事前定義済

goexcel https://github.com/mikeshimura/goexcel

下記のサンプルの様なレポートが、作成可能です。

生成した Excel サンプル

excel

プログラムですべてコントロール出来るので、色々な要件に対応出来ます。

• 色は事前定義済み。 色濃度にも対応。
• スタイルは、基本スタイルを継承出来るので、管理が容易。

サンプル program

サンプルのソース

 package example

 import (
    "fmt"
    ge "github.com/mikeshimura/goexcel"
    "io/ioutil"
    "strconv"
    "strings"
    "time"
 )

 func Simple1() {
    list := ReadTextFile("simple1.txt", 8)
    excel := ge.CreateGoexcel()
    excel.AddSheetPanic("Sheet1")
    excel.CreateStyleByKey("base", "Verdana", 10, "", "")

    //Style TBLR
    excel.CopyStyle("base", "TBLR")
    excel.SetBorder("TBLR", "TBLR", ge.BDR_Hair)
    excel.SetFill("TBLR", ge.PTN_Solid,
    ge.ColorDencity(ge.CLR_Blue, 20), ge.Color(ge.CLR_Yellow))

    //Style TBLR_Right
    excel.CopyStyle("TBLR", "TBLR_R")
    excel.SetHorizontalAlign("TBLR_R", ge.H_Right)

    //Style TITLE
    excel.CreateStyleByKey("TITLE", "Arial", 24, "TBLR", ge.BDR_Double)
    excel.SetFill("TITLE", ge.PTN_Gray125,
    ge.ColorDencity(ge.CLR_Black, 50), "CCCCFF")
    excel.SetItalic("TITLE", true)
    excel.SetHorizontalAlign("TITLE", ge.H_Center)
    //Style DATE
    excel.CreateStyleByKey("DATE", "Arial", 11, "", "")
    excel.SetFontColor("DATE", ge.ColorDencity(ge.CLR_Black, 60))

    //Style Header
    excel.CopyStyle("TBLR", "HEADER")
    excel.SetBold("HEADER", true)
    excel.SetFill("HEADER", ge.PTN_Solid, ge.ColorDencity(ge.CLR_Blue, 40),  
  ge.Color(ge.CLR_Yellow))
    excel.SetBorder("HEADER", "TB", ge.BDR_Medium)
    excel.SetHorizontalAlign("HEADER", ge.H_Center)

    //Style Header Left
    excel.CopyStyle("HEADER", "HEADER_L")
    excel.SetBorder("HEADER_L", "L", ge.BDR_Medium)

    //Style Header Right
    excel.CopyStyle("HEADER", "HEADER_R")
    excel.SetBorder("HEADER_R", "R", ge.BDR_Medium)
    excel.SetColWidth(0, 0, 9)
    excel.SetColWidth(1, 1, 6)
    excel.SetColWidth(2, 2, 11)
    excel.SetColWidth(3, 3, 8)
    excel.SetColWidth(4, 4, 13)
    excel.SetColWidth(5, 5, 7)
    excel.SetColWidth(6, 6, 9)
    excel.SetColWidth(7, 7, 6)
    excel.SetColWidth(8, 8, 11)
    for col := 1; col < 7; col++ {
        excel.SetStyleByKey(1, col, "TITLE")
    }
    excel.Merge(1, 1, 1, 6)
    excel.SetString(1, 1, "Goexcel Sample Report-Simple1")

    excel.SetStyleByKey(0, 8, "DATE")
    excel.SetDateFormat(0, 8, time.Now(), "yyyy/mm/dd")

    excel.SetStyleByKey(4, 0, "HEADER_L")
    for col := 1; col < 8; col++ {
        excel.SetStyleByKey(4, col, "HEADER")
    }
    excel.SetStyleByKey(4, 8, "HEADER_R")
    excel.SetString(4, 0, "Date")
    excel.SetString(4, 1, "Deptno")
    excel.SetString(4, 2, "Dept")
    excel.SetString(4, 3, "Slip")
    excel.SetString(4, 4, "Stock Code")
    excel.SetString(4, 5, "Name")
    excel.SetString(4, 6, "Unit Price")
    excel.SetString(4, 7, "Qty")
    excel.SetString(4, 8, "Amount")
    for i, l := range list {
        cols := l.([]string)
        excel.SetStyleByKey(5+i, 0, "TBLR")
        excel.SetStyleByKey(5+i, 1, "TBLR")
        excel.SetStyleByKey(5+i, 2, "TBLR")
        excel.SetStyleByKey(5+i, 3, "TBLR")
        excel.SetStyleByKey(5+i, 4, "TBLR")
        excel.SetStyleByKey(5+i, 5, "TBLR")
        excel.SetStyleByKey(5+i, 6, "TBLR_R")
        excel.SetStyleByKey(5+i, 7, "TBLR_R")
        excel.SetStyleByKey(5+i, 8, "TBLR_R")
        t, err := time.Parse("2006/01/02", cols[0])
        if err != nil {
            panic(cols[0] + " is not Date")
        }
        excel.SetDateFormat(5+i, 0, t, "yyyy/mm/dd")
        excel.SetString(5+i, 1, cols[1])
        excel.SetString(5+i, 2, cols[2])
        excel.SetString(5+i, 3, cols[3])
        excel.SetString(5+i, 4, cols[4])
        excel.SetString(5+i, 5, cols[5])
        excel.SetFloatFormat(5+i, 6, ge.ParseFloatPanic(cols[6]), "#,##0.00")
        excel.SetIntFormat(5+i, 7, ge.AtoiPanic(cols[7]), "#,##0")
        excel.SetFormat(5+i, 8, "#,##0.00")
        excel.SetFormula(5+i, 8, "G"+strconv.Itoa(6+i)+"*H"+strconv.Itoa(6+i))
    }

    err := excel.Save("simple1.xlsx")
    if err != nil {
        panic(err)
    }
    fmt.Println("Simple1")
    //  excel2 := ge.CreateGoexcel()
    //  excel2.OpenFile("simple1.xlsx")
    //  excel2.Save("simple1_test.xlsx")

 }
 func ReadTextFile(filename string, colno int) []interface{} {
    res, _ := ioutil.ReadFile(filename)
    lines := strings.Split(string(res), "\r\n")
    list := make([]interface{}, 0, 100)
    for _, line := range lines {
        cols := strings.Split(line, "\t")
        if len(cols) < colno {
            continue
        }
        list = append(list, cols)
    }
    return list
 }