本文介绍如何使用Spire.Presentation for Java在PowerPoint文档中插入折线图。

import com.spire.presentation.FileFormat;
import com.spire.presentation.Presentation;
import com.spire.presentation.SlideSizeType;
import com.spire.presentation.charts.ChartLegendPositionType;
import com.spire.presentation.charts.ChartType;
import com.spire.presentation.charts.IChart;

import java.awt.geom.Rectangle2D;

public class LineChart {
    public static void main(String[] args) throws Exception {

        //创建Presentation对象
        Presentation presentation = new Presentation();
        presentation.getSlideSize().setType(SlideSizeType.SCREEN_16_X_9);

        //插入折线图
        Rectangle2D.Double rect = new   Rectangle2D.Double(100, 50, 600, 430);
        IChart chart = presentation.getSlides().get(0).getShapes().appendChart(ChartType.LINE, rect);

        //设置图表标题
        chart.getChartTitle().getTextProperties().setText("产品月销量趋势");
        chart.getChartTitle().getTextProperties().isCentered(true);
        chart.getChartTitle().setHeight(30);
        chart.hasTitle(true);

        //设置轴标题
        chart.getPrimaryCategoryAxis().getTitle().getTextProperties().setText("月份");
        chart.getPrimaryCategoryAxis().hasTitle(true);
        chart.getPrimaryValueAxis().getTitle().getTextProperties().setText("销量");
        chart.getPrimaryValueAxis().hasTitle(true);

        //写入图表数据
        chart.getChartData().get(0,0).setText("月份");
        chart.getChartData().get(1,0).setText("一月");
        chart.getChartData().get(2,0).setText("二月");
        chart.getChartData().get(3,0).setText("三月");
        chart.getChartData().get(4,0).setText("四月");
        chart.getChartData().get(5,0).setText("五月");
        chart.getChartData().get(6,0).setText("六月");

        chart.getChartData().get(0,1).setText("台式机");
        chart.getChartData().get(1,1).setNumberValue(80);
        chart.getChartData().get(2,1).setNumberValue(45);
        chart.getChartData().get(3,1).setNumberValue(25);
        chart.getChartData().get(4,1).setNumberValue(20);
        chart.getChartData().get(5,1).setNumberValue(10);
        chart.getChartData().get(6,1).setNumberValue(5);

        chart.getChartData().get(0,2).setText("笔记本");
        chart.getChartData().get(1,2).setNumberValue(30);
        chart.getChartData().get(2,2).setNumberValue(25);
        chart.getChartData().get(3,2).setNumberValue(35);
        chart.getChartData().get(4,2).setNumberValue(50);
        chart.getChartData().get(5,2).setNumberValue(45);
        chart.getChartData().get(6,2).setNumberValue(55);

        chart.getChartData().get(0,3).setText("平板");
        chart.getChartData().get(1,3).setNumberValue(10);
        chart.getChartData().get(2,3).setNumberValue(15);
        chart.getChartData().get(3,3).setNumberValue(20);
        chart.getChartData().get(4,3).setNumberValue(35);
        chart.getChartData().get(5,3).setNumberValue(60);
        chart.getChartData().get(6,3).setNumberValue(95);

        //设置系列标签
        chart.getSeries().setSeriesLabel(chart.getChartData().get("B1", "D1"));

        //设置分类标签
        chart.getCategories().setCategoryLabels(chart.getChartData().get("A2", "A7"));

        //设置系列数据区域
        chart.getSeries().get(0).setValues(chart.getChartData().get("B2", "B7"));
        chart.getSeries().get(1).setValues(chart.getChartData().get("C2", "C7"));
        chart.getSeries().get(2).setValues(chart.getChartData().get("D2", "D7"));

        //在数据标签中显示数据
        chart.getSeries().get(0).getDataLabels().setLabelValueVisible(true);
        chart.getSeries().get(1).getDataLabels().setLabelValueVisible(true);
        chart.getSeries().get(2).getDataLabels().setLabelValueVisible(true);

        //设置图例位置
        chart.getChartLegend().setPosition(ChartLegendPositionType.TOP);

        //保存文档
        presentation.saveToFile("LineChart.pptx", FileFormat.PPTX_2013);
    }
}