poi-tl的区块对的循环功能

墨蓝 2023-01-06 11:50 50阅读 0赞

这个例子是官网上的 10.4野生动物现状  
但是跟官网写的不太一样 他用的自己写的工厂类  
我是用的他推荐的数据模型  
Word模板不改变 用数据模型可以更好的理解虽然很麻烦  
[Poi-tl官网地址][Poi-tl]

package com.poi.template;
    
    import com.deepoove.poi.XWPFTemplate;
    import com.deepoove.poi.data.ChartMultiSeriesRenderData;
    import com.deepoove.poi.data.PictureRenderData;
    import com.deepoove.poi.data.SeriesRenderData;
    import lombok.extern.slf4j.Slf4j;
    import org.junit.Test;
    
    import java.io.File;
    import java.io.IOException;
    import java.nio.file.Files;
    import java.nio.file.Path;
    import java.util.ArrayList;
    import java.util.HashMap;
    import java.util.List;
    import java.util.Map;
    
    /** * 类说明: <br> * 〈〉 * * @Author: wlt * @Date: 2021/1/14 11:23 */
    @Slf4j
    public class AnimalTemplate { 
        public static byte[] getLocalByteArray(File res) { 
            Path path = res.toPath();
            try { 
                return Files.readAllBytes(path);
            } catch (IOException e) { 
                log.error("readAllBytes error", e);
            }
            return null;
        }
        @Test
        public void animalTemplate() throws IOException { 
            Map<String, Object> map = new HashMap<>();
            map.put("name","大象");
            ChartMultiSeriesRenderData chart = new ChartMultiSeriesRenderData();
            chart.setChartTitle("大象生存现状");
            chart.setCategories(new String[] {  "2018年", "2019年", "2020年"});
            List<SeriesRenderData> seriesRenderData = new ArrayList<>();
            //柱状图
            SeriesRenderData series1 = new SeriesRenderData("成年象", new Integer[] {  500, 600, 700 });
            SeriesRenderData series2 = new SeriesRenderData("幼象", new Integer[] {  200, 300, 400 });
            SeriesRenderData series3 = new SeriesRenderData("全部", new Integer[] {  700, 900, 1100 });
            seriesRenderData.add(series1);
            seriesRenderData.add(series2);
            seriesRenderData.add(series3);
            chart.setSeriesDatas(seriesRenderData);
            map.put("chart", chart);
    
            Map<String, Object> map2 = new HashMap<>();
            map2.put("name","长颈鹿");
            //TODO 这个地方如果用PictureRenderData(int width, int height, String path) Word模板必须得写{ {@picture}} 否则就报错
    // map2.put("picture", new PictureRenderData(100, 120,"src/test/resources/lu.png"));
            File file=new File("src/main/resources/lu.png");
            byte[] localByteArray = AnimalTemplate.getLocalByteArray(file);
            map2.put("picture", new PictureRenderData(80, 100, "src/main/resources/lu.png", localByteArray));
            ChartMultiSeriesRenderData chart2 = new ChartMultiSeriesRenderData();
            chart2.setChartTitle("长颈鹿生存现状");
            chart2.setCategories(new String[] {  "2018年", "2019年", "2020年"});
            //柱状图
            List<SeriesRenderData> seriesRenderData2 = new ArrayList<>();
            SeriesRenderData series4 = new SeriesRenderData("成年鹿", new Integer[] {  500, 600, 700 });
            SeriesRenderData series5 = new SeriesRenderData("幼鹿", new Integer[] {  200, 300, 400 });
            seriesRenderData2.add(series4);
            seriesRenderData2.add(series5);
            chart2.setSeriesDatas(seriesRenderData2);
            map2.put("chart", chart2);
    
            List<Map<String, Object>> animals = new ArrayList<Map<String, Object>>();
            animals.add(map);
            animals.add(map2);
            Map<String, Object> stringObjectHashMap = new HashMap<>();
    
            stringObjectHashMap.put("animals", animals);
    
            XWPFTemplate.compile("src/main/resources/animal.docx").render(stringObjectHashMap).writeToFile("src/test/resources/outTemplate/outTemplate.docx");
        }
    }

[Poi-tl]: http://deepoove.com/poi-tl/#_why_poi_tl