poi 画图工具类

package com.kehua.framework.utils;

import java.io.FileOutputStream;

import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xddf.usermodel.PresetColor;
import org.apache.poi.xddf.usermodel.XDDFColor;
import org.apache.poi.xddf.usermodel.XDDFLineProperties;
import org.apache.poi.xddf.usermodel.XDDFShapeProperties;
import org.apache.poi.xddf.usermodel.XDDFSolidFillProperties;
import org.apache.poi.xddf.usermodel.chart.*;
import org.apache.poi.xssf.usermodel.XSSFChart;
import org.apache.poi.xssf.usermodel.XSSFClientAnchor;
import org.apache.poi.xssf.usermodel.XSSFDrawing;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;


public class DrawXlsxUtil {
    /**
     * 根据sheet数据画图(单序列)
     * caution:文件打开关闭由外部操作
     * @param sourceSheet 数据源sheet表(获取数据的表)
     * @param distSheet 目标sheet表(画图的表)
     * @param anchorPosition 画板位置
     * @param chartTitle 图名称
     * @param xAxisTitle x轴标识
     * @param yAxisTitle y轴标识
     * @param xAxisDataRangeAddress x轴数据位置(根据sheet获取)
     * @param yAxisDataRangeAddress y轴数据位置
     * @param chartType 图样式:暂支持折线、条形
     * @param color 颜色
     */
    public static void createDataChart(XSSFSheet sourceSheet, XSSFSheet distSheet,  AnchorPosition anchorPosition,
                                       String chartTitle, String xAxisTitle, String yAxisTitle,
                                       CellRangeAddress xAxisDataRangeAddress, CellRangeAddress yAxisDataRangeAddress,
                                       ChartTypes chartType, PresetColor color) {

        if (!(ChartTypes.BAR.equals(chartType) || ChartTypes.LINE.equals(chartType))) return;
        //Create a panel to draw
        XSSFDrawing drawing = distSheet.createDrawingPatriarch();
        XSSFClientAnchor anchor = drawing.createAnchor(0, 0, 0, 0,
                anchorPosition.getCol1Index(), anchorPosition.getRow1Index(),
                anchorPosition.getCol2Index(), anchorPosition.getRow2Index());

        XSSFChart chart = drawing.createChart(anchor);

        // Use a category axis for the bottom axis.
        XDDFCategoryAxis bottomAxis = chart.createCategoryAxis(AxisPosition.BOTTOM);
        chart.setTitleText(chartTitle);
        bottomAxis.setTitle(xAxisTitle);

        XDDFValueAxis leftAxis = chart.createValueAxis(AxisPosition.LEFT);
        leftAxis.setTitle(yAxisTitle);
        leftAxis.setCrosses(AxisCrosses.AUTO_ZERO);
        leftAxis.setCrossBetween(AxisCrossBetween.BETWEEN);

        XDDFCategoryDataSource xs = XDDFDataSourcesFactory.fromStringCellRange(sourceSheet, xAxisDataRangeAddress);
        XDDFNumericalDataSource ys1 = XDDFDataSourcesFactory.fromNumericCellRange(sourceSheet, yAxisDataRangeAddress);

        XDDFChartData data =  chart.createData(chartType, bottomAxis, leftAxis);
        XDDFChartData.Series series1 =  data.addSeries(xs, ys1);
        //line
        if (data instanceof XDDFLineChartData) {
            XDDFLineChartData.Series series = (XDDFLineChartData.Series)series1;
            series.setSmooth(false);
            series.setMarkerStyle(MarkerStyle.NONE);
        }
        //bar
        if (data instanceof XDDFBarChartData) {
            // in order to transform a bar chart into a column chart, you just need to change the bar direction
            XDDFBarChartData bar = (XDDFBarChartData) data;
            bar.setBarDirection(BarDirection.COL);
        }
        //don't  delete the following line
        series1.setTitle("picture", null);
        chart.plot(data);
        solidFillSeries(data, 0,  color);
    }

    /**
     * 设置图属性
     * @param data 待画的数据
     * @param index 数据序列编号 从0开始
     * @param color 颜色
     */
    private static void solidFillSeries(XDDFChartData data, int index, PresetColor color){
        XDDFSolidFillProperties fill = new XDDFSolidFillProperties(XDDFColor.from(color));
        XDDFChartData.Series series = data.getSeries().get(index);
        XDDFShapeProperties properties = series.getShapeProperties();
        if (properties == null) properties = new XDDFShapeProperties();
        //line
        if (data instanceof XDDFLineChartData) {
            XDDFLineProperties line = new XDDFLineProperties();
            line.setFillProperties(fill);
            properties.setLineProperties(line);
        }
        //bar
        if (data instanceof XDDFBarChartData) properties.setFillProperties(fill);
        series.setShapeProperties(properties);
    }




    /**
     * 画折线图调用参考
     * @throws Exception
     */
    private static void createLineChartDemo() throws Exception{
        XSSFWorkbook wb = new XSSFWorkbook();
        XSSFSheet  sheet = wb.createSheet("linechart");
        final int NUM_OF_ROWS = 3;
        final int NUM_OF_COLUMNS = 10;

        Row row;
        Cell cell;
        for (int rowIndex = 0; rowIndex < NUM_OF_ROWS; rowIndex++) {
            row = sheet.createRow((short) rowIndex);
            for (int colIndex = 0; colIndex < NUM_OF_COLUMNS; colIndex++) {
                cell = row.createCell((short) colIndex);
                if (rowIndex == 0) cell.setCellValue(String.valueOf(colIndex * (rowIndex + 1.0)));
                else cell.setCellValue(colIndex * (rowIndex + 1.0));
            }
        }
        CellRangeAddress xAxisDataRangeAddress = new CellRangeAddress(0, 0, 0, NUM_OF_COLUMNS - 1);
        CellRangeAddress yAxisDataRangeAddress = new CellRangeAddress(1, 1, 0, NUM_OF_COLUMNS - 1);
        AnchorPosition anchorPosition = new AnchorPosition(5, 5, 15, 15);
        createDataChart(sheet, sheet, anchorPosition, "Picture","Time(min)", "Power(kW)",
                xAxisDataRangeAddress, yAxisDataRangeAddress, ChartTypes.LINE, PresetColor.YELLOW);

        FileOutputStream fileOut = new FileOutputStream("D:/ooxml-chart.xlsx");
        wb.write(fileOut);
    }

    /**
     * 设置画板在sheet中的位置
     */
    public static class AnchorPosition {
        private int col1Index;//起始位置
        private int row1Index;
        private int col2Index;//结束位置
        private int row2Index;

        public AnchorPosition(int col1Index, int row1Index, int col2Index, int row2Index) {
            this.col1Index = col1Index;
            this.row1Index = row1Index;
            this.col2Index = col2Index;
            this.row2Index = row2Index;
        }

        public int getCol1Index() {
            return col1Index;
        }

        public void setCol1Index(int col1Index) {
            this.col1Index = col1Index;
        }

        public int getRow1Index() {
            return row1Index;
        }

        public void setRow1Index(int row1Index) {
            this.row1Index = row1Index;
        }

        public int getCol2Index() {
            return col2Index;
        }

        public void setCol2Index(int col2Index) {
            this.col2Index = col2Index;
        }

        public int getRow2Index() {
            return row2Index;
        }

        public void setRow2Index(int row2Index) {
            this.row2Index = row2Index;
        }
    }


}

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