POI填充word文字和图表

不念不忘少年蓝@ 2022-12-03 13:07 208阅读 0赞

# 模板下载路径：[https://download.csdn.net/download/junlong750/12805599][https_download.csdn.net_download_junlong750_12805599] #

![20200903165810118.png][]

package com.mlogcn.wuhan.utils;
    
    import org.apache.poi.ss.util.CellRangeAddress;
    import org.apache.poi.ss.util.CellReference;
    import org.apache.poi.xddf.usermodel.chart.*;
    import org.apache.poi.xwpf.usermodel.*;
    
    import java.io.FileOutputStream;
    import java.io.IOException;
    import java.io.InputStream;
    import java.io.OutputStream;
    import java.util.*;
    
    /**
     * @author longjun
     * @date 2020/8/21 - 16:37
     * @description: POI填充word文字和图表
     */
    public class WordUtil {
        public static void main(String[] args) throws Exception {
    //        String templatePath = "C:\\Users\\Administrator\\Desktop\\高影响天气模板2.docx";
    //        InputStream is = new FileInputStream(new File(templatePath))
            InputStream is = WordUtil.class.getResourceAsStream("/template/高影响天气模板.docx");
            XWPFDocument doc = new XWPFDocument(is);
    
            //模拟统计图数据
            //系列
            String[] seriesTitles = {"风速(m/s)", "温度(℃)", "湿度(%)"};
            //x轴
            String[] categories = {"2020-02-20", "2020-02-21", "2020-02-22", "2020-02-23", "2020-02-24", "2020-02-25", "2020-02-26"};
            List<Number[]> values = new ArrayList<>();
            //风速
            Number[] value1 = {17, 15.8, 5, 8.9, 11, 25, 36};
            //温度
            Number[] value2 = {25.5, 35.5, 28.6, 25.2, 28.9, 38.9, 25.5};
            //湿度
            Number[] value3 = {100, 50, 80, 70, 80, 65, 80};
    
            values.add(value1);
            values.add(value2);
            values.add(value3);
    
            XWPFChart xChart = doc.getCharts().get(0);//获取第1个图表
            generateChart(xChart, seriesTitles, categories, values, "实况天气折线图");
    
            Map<String, String> data = new HashMap<>();
            data.put("${alarmSignal}", "大雾黄色预警信号");
            data.put("${alarmPublishTime}", "2020-07-29 03:09:00");
            data.put("${alarmPublishContent}", "如东县气象台2020年07月29日03时05分发布大雾黄色预警信号：预计今天早晨我县大部分地区将出现能见度不足500米的雾，能见度较低，请注意防范。");
            data.put("${alarmRelieveContent}", "如东县气象台2020年07月29日09时12分解除大雾黄色预警信号。");
            changeText(doc, data);
    
            OutputStream os = new FileOutputStream("C:\\Users\\Administrator\\Desktop\\结果文件.docx");
            doc.write(os);
            close(os);
            close(is);
        }
    
        /**
         * 生成图表
         *
         * @param chart      从模板中获取到的图表
         * @param series     图例
         * @param categories X轴
         * @param values     数据
         * @param chartTitle 图标名称
         */
        public static void generateChart(XWPFChart chart, String[] series, String[] categories, List<Number[]> values, String chartTitle) {
            List<XDDFChartData> chartSeries = chart.getChartSeries();//不知道这个ChartSeries代表什么意思
            //final XDDFLineChartData line = (XDDFLineChartData) data.get(0);//这里一般获取第一个,我们这里是折线图就是XDDFLineChartData
            for (XDDFChartData chartData : chartSeries) {
                XDDFLineChartData line = (XDDFLineChartData) chartData;
                final int numOfPoints = categories.length;
                final String categoryDataRange = chart.formatRange(new CellRangeAddress(1, numOfPoints, 0, 0));
                final XDDFDataSource<?> categoriesData = XDDFDataSourcesFactory.fromArray(categories, categoryDataRange, 0);
                for (int i = 0; i < values.size(); i++) {
                    final String valuesDataRange = chart.formatRange(new CellRangeAddress(1, numOfPoints, i + 1, i + 1));
                    Number[] value = values.get(i);
                    final XDDFNumericalDataSource<? extends Number> valuesData = XDDFDataSourcesFactory.fromArray(value, valuesDataRange, i + 1);
                    XDDFChartData.Series ser;//图表中的系列
                    ser = line.getSeries().get(i);
                    ser.replaceData(categoriesData, valuesData);
                    CellReference cellReference = chart.setSheetTitle(series[i], 1);//修改系列标题
                    ser.setTitle(series[i], cellReference);
                }
                chart.plot(line);
                chart.setTitleText(chartTitle);//折线图标题
                chart.setTitleOverlay(false);
            }
    
        }
    
        /**
         * 替换段落文本
         *
         * @param document docx解析对象
         * @param map      需要替换的信息集合
         */
        public static void changeText(XWPFDocument document, Map<String, String> map) {
    
            /**
             * 替换段落中的指定文字
             */
            Iterator<XWPFParagraph> itPara = document.getParagraphsIterator();
            while (itPara.hasNext()) {
                XWPFParagraph paragraph = (XWPFParagraph) itPara.next();
                Set<String> set = map.keySet();
                Iterator<String> iterator = set.iterator();
                while (iterator.hasNext()) {
                    String key = iterator.next();
                    List<XWPFRun> runList = paragraph.getRuns();
                    for (int i = 0; i < runList.size(); i++) {
                        XWPFRun xwpfRun = runList.get(i);
    //                    int fontSize = xwpfRun.getFontSize();//获取原本的字体大小
    //                    String color = xwpfRun.getColor();//获取原本的字体颜色
    //                    String fontFamily = xwpfRun.getFontFamily();//获取原本的字体
                        String text = xwpfRun.getText(0);
                        for (Map.Entry<String, String> e : map.entrySet()) {
                            if (text != null && text.contains(e.getKey())) {
                                text = text.replace(e.getKey(), e.getValue());
                                //run.get(i).setText(text,0);
                                paragraph.removeRun(0);
                                XWPFRun xWPFRun = paragraph.createRun();
                                xWPFRun.setText(text, 0);
                            }
                        }
                    }
                }
            }
    
            /**
             * 替换表格中的指定文字
             */
            Iterator<XWPFTable> itTable = document.getTablesIterator();
            while (itTable.hasNext()) {
                XWPFTable table = (XWPFTable) itTable.next();
                int count = table.getNumberOfRows();
                for (int i = 0; i < count; i++) {
                    XWPFTableRow row = table.getRow(i);
                    List<XWPFTableCell> cells = row.getTableCells();
                    for (XWPFTableCell cell : cells) {
                        for (Map.Entry<String, String> e : map.entrySet()) {
                            if (cell.getText().equals(e.getKey())) {
                                cell.removeParagraph(0);
                                cell.setText(e.getValue());
                            }
                        }
                    }
                }
            }
        }
    
        /**
         * 关闭输入流
         *
         * @param is
         */
        private static void close(InputStream is) {
            if (is != null) {
                try {
                    is.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    
        /**
         * 关闭输出流
         *
         * @param os
         */
        public static void close(OutputStream os) {
            if (os != null) {
                try {
                    os.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    
    }

# 最终效果 #

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2p1bmxvbmc3NTA_size_16_color_FFFFFF_t_70][]

[https_download.csdn.net_download_junlong750_12805599]: https://download.csdn.net/download/junlong750/12805599
[20200903165810118.png]: /images/20221123/99f7c996e7ad467c8966931e0bfc11c1.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2p1bmxvbmc3NTA_size_16_color_FFFFFF_t_70]: /images/20221123/e315baa055f742bcb179dc1521dddada.png