Chart

Add chart

func (f *File) AddChart(sheet, cell, opts string, combo ...string) error

AddChart provides the method to add a chart in a worksheet by given chart format set (such as offset, scale, aspect ratio setting, and print settings) and properties set.

The following shows the type of chart supported by excelize:

In the Office Excel chart data range, Series specifies the set of information for which data to draw, the legend item (series), and the horizontal (category) axis label.

The Series options that can be set are:

Set properties of the chart legend. The options that can be set are:

Set the Position of the chart legend. The default legend position is right. This parameter only takes effect when none is false. The available positions are:

The ShowLegendKey parameter set the legend keys shall be shown in data labels. The default value is false.

The chart title is set by selecting the Name parameter of the Title object, and the title will be displayed above the chart. The parameter Name supports the use of formula representations, such as Sheet1!$A$1, if you do not specify an icon title, the default value is null.

The parameter ShowBlanksAs provides the "Hide and empty cells" setting. The default value is: gap. In the Excel application "empty cell is displayed as": "space". The following are optional values for this parameter:

Specifies that each data marker in the series has a different color by VaryColors. The default value is true.

The parameter Format provides settings for parameters such as chart offset, scale, aspect ratio settings, and print properties, as well as those used in the AddPicture function.

Set the position of the chart plot area by plot area. The properties that can be set are:

Set the primary horizontal and vertical axis options by XAxis and YAxis.

The properties of XAxis that can be set are:

The properties of YAxis that can be set are:

Set the chart size by Dimension property. The dimension property is optional. The properties that can be set are:

The parameter combo specifies the create a chart that combines two or more chart types in a single chart. For example, create a clustered column - line chart with data Sheet1!$E$1:$L$15:

package main

import (
    "fmt"

    "github.com/xuri/excelize/v2"
)

func main() {
    f := excelize.NewFile()
    defer func() {
        if err := f.Close(); err != nil {
            fmt.Println(err)
        }
    }()
    for idx, row := range [][]interface{}{
        {nil, "Apple", "Orange", "Pear"},
        {"Small", 2, 3, 3},
        {"Normal", 5, 2, 4},
        {"Large", 6, 7, 8},
    } {
        cell, err := excelize.CoordinatesToCellName(1, idx+1)
        if err != nil {
            fmt.Println(err)
            return
        }
        if err := f.SetSheetRow("Sheet1", cell, &row); err != nil {
            fmt.Println(err)
            return
        }
    }
    enable, disable := true, false
    if err := f.AddChart("Sheet1", "E1", &excelize.Chart{
        Type: excelize.Col,
        Series: []excelize.ChartSeries{
            {
                Name:       "Sheet1!$A$2",
                Categories: "Sheet1!$B$1:$D$1",
                Values:     "Sheet1!$B$2:$D$2",
            },
        },
        Format: excelize.GraphicOptions{
            ScaleX:          1,
            ScaleY:          1,
            OffsetX:         15,
            OffsetY:         10,
            PrintObject:     &enable,
            LockAspectRatio: false,
            Locked:          &disable,
        },
        Title: excelize.ChartTitle{
            Name: "Clustered Column - Line Chart",
        },
        Legend: excelize.ChartLegend{
            Position: "left",
        },
        PlotArea: excelize.ChartPlotArea{
            ShowCatName:     false,
            ShowLeaderLines: false,
            ShowPercent:     true,
            ShowSerName:     true,
            ShowVal:         true,
        },
    }, &excelize.Chart{
        Type: excelize.Line,
        Series: []excelize.ChartSeries{
            {
                Name:       "Sheet1!$A$4",
                Categories: "Sheet1!$B$1:$D$1",
                Values:     "Sheet1!$B$4:$D$4",
                Marker: excelize.ChartMarker{
                    Symbol: "none", Size: 10,
                },
            },
        },
        Format: excelize.GraphicOptions{
            ScaleX:          1,
            ScaleY:          1,
            OffsetX:         15,
            OffsetY:         10,
            PrintObject:     &enable,
            LockAspectRatio: false,
            Locked:          &disable,
        },
        Legend: excelize.ChartLegend{
            Position: "right",
        },
        PlotArea: excelize.ChartPlotArea{
            ShowCatName:     false,
            ShowLeaderLines: false,
            ShowPercent:     true,
            ShowSerName:     true,
            ShowVal:         true,
        },
    }); err != nil {
        fmt.Println(err)
        return
    }
    // Save the spreadsheet by the given path.
    if err := f.SaveAs("Book1.xlsx"); err != nil {
        fmt.Println(err)
    }
}

Add chart sheet

func (f *File) AddChartSheet(sheet, opts string, combo ...string) error

AddChartSheet provides the method to create a chartsheet by given chart format set (such as offset, scale, aspect ratio setting and print settings) and properties set. In Excel a chartsheet is a worksheet that only contains a chart.

Delete chart

func (f *File) DeleteChart(sheet, cell string) error

DeleteChart provides a function to delete chart in spreadsheet by given worksheet name and cell reference.