Java to create / edit / delete mini Excel chart

Outline

FIG mini cell is an Excel worksheet data representing micro graph. Using the mini-map may very intuitive display data trends, projecting maximum, minimum, in the data table can play a very good effect data analysis. This article describes how to create mini-charts, as well as edit and delete table mini charts in Excel via Java code examples.
Runtime environment: the Java, IDEA, jdk1.8.0, without having to install Microsoft Excel
using the library: as Free Spire.XLS for the Java (free version)
library acquisition and import: official website to download jar package , and extract the files under the lib folder jar file into java program. Or by downloading import maven repository to Maven project. Import following effects:

Java sample code

1. Create a mini chart

import com.spire.xls.*;

import java.awt.*;

public class CreateSparklineChart {
    public static void main(String[] args) {
        //创建一个Workbook类对象并加载Excel文档
        Workbook workbook = new Workbook();
        workbook.loadFromFile(  "test.xlsx");

        //获取第一个工作表 
        Worksheet sheet = workbook.getWorksheets().get(0);

        //添加折线迷你图，设置折折线迷你图格式
        SparklineGroup sparklineGroup1 = sheet.getSparklineGroups().addGroup();
        sparklineGroup1.setSparklineType(SparklineType.Line);
        sparklineGroup1.setSparklineColor(new Color(153,50,204));
        sparklineGroup1.setShowHighPoint(true);
        //设置添加折现迷你图表的单元格以及图表生成的数据范围
        SparklineCollection sparklines1 = sparklineGroup1.add();
        sparklines1.add(sheet.getCellRange("B3:F3"), sheet.getCellRange("G3"));

        //添加柱形迷你图，并设置图表颜色
        SparklineGroup sparklineGroup2 = sheet.getSparklineGroups().addGroup();
        sparklineGroup2.setSparklineType(SparklineType.Column);
        sparklineGroup2.setSparklineColor(new Color(244,164,96));
        sparklineGroup2.setShowHighPoint(true);
        //设置添加柱形迷你图表的单元格以及图表生成的数据范围
        SparklineCollection sparklines2 = sparklineGroup2.add();
        sparklines2.add(sheet.getCellRange("B4:F4"), sheet.getCellRange("G4"));

        //添加盈亏迷你图，并设置颜色
        SparklineGroup sparklineGroup3 = sheet.getSparklineGroups().addGroup();
        sparklineGroup3.setSparklineType(SparklineType.Stacked);
        sparklineGroup3.setSparklineColor(new Color(255,20,147));
        sparklineGroup3.setShowHighPoint(true);
        //设置盈亏迷你图表的单元格以及图表生成的数据范围
        SparklineCollection sparklines3 = sparklineGroup3.add();
        sparklines3.add(sheet.getCellRange("B5:F5"), sheet.getCellRange("G5"));

        //保存文档
        workbook.saveToFile("AddSparkline.xlsx", ExcelVersion.Version2013);
        workbook.dispose();
    }
}

Mini chart creation effect:

2. Edit the mini chart

import com.spire.xls.*;
import com.spire.xls.core.spreadsheet.ISparklineGroup;
import com.spire.xls.core.spreadsheet.ISparklines;

public class ModifySparkline {
    public static void main(String[] args) {
        //创建实例，加载文档
        Workbook wb = new Workbook();
        wb.loadFromFile("AddSparkline.xlsx");

        //获取工作表
        Worksheet sheet = wb.getWorksheets().get(0);

        //修改第2个迷你图组中迷你图表类型和数据范围
        ISparklineGroup sparklineGroup = sheet.getSparklineGroups().get(1);
        sparklineGroup.setSparklineType(SparklineType.Line);
        ISparklines sparklines = sparklineGroup.get(1);
        sparklines.refreshRanges(sheet.getCellRange("C4:F4"), sheet.getCellRange("G4"));

        //保存文档
        wb.saveToFile("ModifySparkline.xlsx", ExcelVersion.Version2013);
        wb.dispose();
    }
}

Mini modify the results graph:

3. Remove the mini chart

import com.spire.xls.*;
import com.spire.xls.core.spreadsheet.ISparklineGroup;

public class ClearSparkline {
    public static void main(String[] args) {
        //创建实例，加载文档
        Workbook wb = new Workbook();
        wb.loadFromFile("AddSparkline.xlsx");

        //获取工作表
        Worksheet sheet = wb.getWorksheets().get(0);

        //修改第3个迷你图组中迷你图表类型和数据范围
        ISparklineGroup sparklineGroup = sheet.getSparklineGroups().get(2);

        //从工作表中删除图表
        sheet.getSparklineGroups().clear((SparklineGroup) sparklineGroup);

        wb.saveToFile("ClearSparkline.xlsx",ExcelVersion.Version2013);
        wb.dispose();
    }
}

Mini chart Delete effect:

(This article End)