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);
    }
}