背景：接到月末要自動生成報表，包含了文本模板描述，表格報表見圖,每一個變量都是唯一

?2：技術方案：

用Map<key,value>存儲變量名和變量值，讀word文本readbuffer遍歷文本進行字符匹配用于替換

3：代碼示例：

package com.extracme.hntask.oas.business.service;import com.alibaba.fastjson.JSON; import com.extracme.hntask.common.BaseDto; import com.extracme.hntask.common.OfficeBaseDto; import com.extracme.hntask.common.OfficeCommonDefine; import com.extracme.hntask.oas.business.domain.MonthlyReportInfo; import com.extracme.hntask.oas.business.entity.CityStatisticsVo; import com.extracme.hntask.oas.business.entity.ReportOperationalMonitoringDo; import com.extracme.hntask.oas.business.entity.ReportStationTop10Do; import com.extracme.hntask.oas.business.iservice.IServiceReport; import com.extracme.hntask.oas.business.iservice.IServiceStatistics; import com.extracme.hntask.oas.business.mapper.MonthlyReportInfoMapper; import com.extracme.hntask.utils.CustomXWPFDocument; import com.extracme.hntask.utils.OSSUtil; import com.extracme.hntask.utils.OfficeUtil; import org.apache.commons.lang3.StringUtils; import org.apache.poi.openxml4j.exceptions.InvalidFormatException; import org.apache.poi.openxml4j.opc.OPCPackage; import org.apache.poi.util.IOUtils; import org.apache.poi.xwpf.usermodel.XWPFParagraph; import org.apache.poi.xwpf.usermodel.XWPFRun; import org.apache.poi.xwpf.usermodel.XWPFTable; import org.apache.poi.xwpf.usermodel.XWPFTableRow; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Value; import org.springframework.stereotype.Service;import javax.annotation.Resource; import java.io.*; import java.math.BigInteger; import java.net.URL; import java.text.SimpleDateFormat; import java.util.*; import java.util.regex.Matcher; import java.util.regex.Pattern;/* *** @title Extracme SH* @project* @note 自動月報* @author alex* @Date 2019/10/29*/ @Service public class ServiceReport implements IServiceReport {private final Logger log = LoggerFactory.getLogger(this.getClass());@Autowiredprivate IServiceStatistics serviceStatistics;@Resourceprivate MonthlyReportInfoMapper monthlyReportInfoMapper;@Resourceprivate OSSUtil oSSUtil;@Value(value = "${monthlyReportUrl}")private String monthlyReportUrl;@Value(value = "${templatePath}")private String templatePath;/*** @param tempParam 封裝 對應 模板字段 的參數 數據的map*/public Map<String, Object> EncapsulationTempParamDate2ReplaceText(Map<String, Object> tempParam) {/*** 一、全省充電設施情況*/tempParam = serviceStatistics.getHomeStatistics(tempParam);System.out.println("一:|"+JSON.toJSONString(tempParam));/*** 二、 運營監測情況*/tempParam = serviceStatistics.queryOperationMonitor(tempParam);System.out.println("二:|"+JSON.toJSONString(tempParam));/*** 三、排名情況*/tempParam = serviceStatistics.queryLMOrderTop10(tempParam);System.out.println("三:|"+JSON.toJSONString(tempParam));/*** 四、接入平臺的充電樁市縣分布情況*/tempParam = serviceStatistics.findAllOrgCityStatistics(tempParam);System.out.println("四:|"+JSON.toJSONString(tempParam));return tempParam;}@Overridepublic void generateMonthStatsReportByMonthly() throws IOException {InputStream isUpload = null;InputStream is = null;try {/*** 1:下載模板轉化bytes 數據處理word*/URL url = new URL(monthlyReportUrl);//http://evready-test.oss-cn-shanghai.aliyuncs.com/hainan/template/MonthlyReport%28hnjk%29.docxis = url.openStream();byte[] templateBytes = IOUtils.toByteArray(is);//OSSUtil.downloadOssFileByUrl(null);//4.下載報告模板if (templateBytes == null) {log.error("下載的報告模板 is null,下載錯誤");return;}/*** 2:封裝模板參數數據用于替換*/Map<String, Object> tempParam = new HashMap<String, Object>();tempParam = EncapsulationTempParamDate2ReplaceText(tempParam);if (tempParam.isEmpty()) {System.err.println("封裝模板參數數據用于替換 map|" + null);log.error("封裝模板參數數據用于替換 map is null,return");return;}SimpleDateFormat format = new SimpleDateFormat("yyyy");Date date = new Date();Calendar calendar = Calendar.getInstance();calendar.setTime(date); // 設置為當前時間calendar.set(Calendar.MONTH, calendar.get(Calendar.MONTH) - 1); // 設置為上一個月date = calendar.getTime();String year = format.format(date);SimpleDateFormat format2 = new SimpleDateFormat("MM");String lastMonth = format2.format(date);BaseDto dto = new BaseDto();dto.setYear(year);dto.setLastMonth(lastMonth);tempParam.put("${year}", year);tempParam.put("${lastMonth}", lastMonth);//替換word中的自定義字符串以及圖片（適用于word2003+ 版本）byte[] byt = this.replaceAndGenerateWord(dto, templateBytes, tempParam); // //寫本地 // File cc = new File("C:\\Users\\alex\\Desktop\\extracme\\外部業務\\海南充電樁平臺\\政府平臺\\技術方案\\自動月報\\aa.docx"); // OutputStream out = new FileOutputStream(cc); // out.write(byt);/*** 3：替換后數據的模板 上傳到oss 供頁面下載*/String fileName = year+lastMonth+"_reportMonthly.docx";String filePath=templatePath+fileName;isUpload = new ByteArrayInputStream(byt);oSSUtil.uploadFile(isUpload, filePath);/*** 4：數據處理word insert到mysql*///用此線程單獨記錄月報信息用（不影響generateReport）String report_body=JSON.toJSON(tempParam)+"";MonthlyReportInfo mr=new MonthlyReportInfo();mr.setYear(dto.getYear());mr.setMonth(dto.getLastMonth());mr.setReportUrl("https://evready-test.oss-cn-shanghai.aliyuncs.com/" + filePath);mr.setCreatedUser("job");mr.setReportBody(report_body);monthlyReportInfoMapper.insert(mr);} catch (Exception e) {log.error("generateMonthStatsReportByMonthly失敗", e);e.printStackTrace();} finally {if (is != null) {is.close();}if (isUpload != null) {isUpload.close();}}}/*** 獲取報告模板** @param templateUrl 模板oss地址* @return*/private byte[] reportTemplate(String templateUrl) {// 獲取原始記錄模版URL// 獲取原始記錄模版byte[] templateByte = null;try {templateByte = OSSUtil.downloadOssFileByUrl(templateUrl);} catch (Exception e) {log.error("get downloadOssFileByFileUrl err|" + e.getMessage());e.printStackTrace();}return templateByte;}/*** 替換word中的自定義字符串以及圖片（適用于word2003+ 版本）* <p>* 注：2003版本word不支持替換圖片，2007版本以上可以替換圖片** @param bytes 模板文件流* @param param 原始記錄map* @return byte[] 報告OSS保存地址* @throws Exception 異常*/public byte[] replaceAndGenerateWord(BaseDto dto, byte[] bytes, Map<String, Object> param) throws Exception {CustomXWPFDocument document = null;InputStream inputStream = new ByteArrayInputStream(bytes);OPCPackage pack = OPCPackage.open(inputStream);document = new CustomXWPFDocument(pack);document.getHeaderList();// 處理段落List<XWPFParagraph> paragraphList = document.getParagraphs();processParagraphs(dto, paragraphList, param, document); // // 處理表格 // Iterator<XWPFTable> it = document.getTablesIterator(); // while (it.hasNext()) { // XWPFTable table = it.next(); // List<XWPFTableRow> rows = table.getRows(); // for (XWPFTableRow row : rows) { // List<XWPFTableCell> cells = row.getTableCells(); // for (XWPFTableCell cell : cells) { // final CustomXWPFDocument document2 = document; // List<XWPFParagraph> paragraphListTable = cell.getParagraphs(); // processParagraphs(dto, paragraphListTable, param, document2); // } // } // } // getExistsPlaceholderListWord(document, existsPlaceholderList);ByteArrayOutputStream fos = new ByteArrayOutputStream();document.write(fos);return fos.toByteArray();}/*** 把 string型的值 替代源模板中的字符*/private static String instanceofStrValue2TemplateStr(String text, String key, String value, XWPFParagraph paragraph) {List<XWPFRun> runs = paragraph.getRuns();String text2 = text.replace(key, value.toString());System.out.println(key + " " + value + "instanceofStr2TemplateStr11 text|" + text + "txt2:" + text2);String keyStr = "";int flag = 0;for (int i = 0; i < runs.size(); i++) {String textTemp = runs.get(i).getText(0);if (textTemp != null && textTemp.contains(key)) {String textStr = textTemp.replace(key, value.toString());runs.get(i).setText(textStr, 0);System.out.println("set key1|"+key+"|"+textStr);runs.get(i).setFontFamily("宋體");break;}// 占位符被截斷的方案if (textTemp != null && textTemp.startsWith("$")&& !textTemp.matches("^\\$\\{[a-zA-Z0-9]+\\}$")) {keyStr += textTemp;runs.get(i).setText("", 0);flag = 1;System.out.println("set key2|"+key+"|");} else if (flag == 1) {if (textTemp.contains("}")) {//TODO 此處的contains應該換成startsWith 避免 一個字符為 ”text}“情況keyStr += textTemp;runs.get(i).setText("", 0);System.out.println("set keyStr| "+ keyStr + "|key3 |"+key+"|"+ value.toString());runs.get(i).setText(keyStr.replace(key, value), 0);runs.get(i).setFontFamily("宋體");break;}else{if(textTemp!=null){keyStr += textTemp;runs.get(i).setText("", 0);}}} // System.out.println(i+ "runtxt:" + textTemp + " keyStr："+ keyStr);}return text2;}/*** hainan處理段落** @param dto* @param paragraphList 段落列表* @param map 鍵值對map* @param doc doc* @throws InvalidFormatException 異常* @throws FileNotFoundException 異常*/private static void processParagraphs(BaseDto dto, List<XWPFParagraph> paragraphList, Map<String, Object> map,CustomXWPFDocument doc) throws InvalidFormatException, FileNotFoundException {if (paragraphList != null && paragraphList.size() > 0) {// 首選循環段落for (XWPFParagraph paragraph : paragraphList) {// 獲取段落的textString text = paragraph.getText();if (StringUtils.isNotBlank(text)) {List<String> ids = new ArrayList<String>();Pattern pattern = Pattern.compile("(?<=\\$\\{)[^}]*(?=\\})");//匹配出${}之間的idMatcher matcher = pattern.matcher(text);while (matcher.find()) {String id = "${" + matcher.group() + "}";ids.add(id);}for (String id : ids) {Object value = map.get(id);System.err.println("test id|" + id + "|value=" + value);String key = id;//字符串值if (value instanceof String) {text = instanceofStrValue2TemplateStr(text, key, value.toString(), paragraph);} else if (value instanceof List) {//1：listinstanceofStrValue2TemplateStr(text, key, "", paragraph);if (OfficeCommonDefine.Report_template_table_name_tag[1].equals(id) || OfficeCommonDefine.Report_template_table_name_tag[2].equals(id)) {//二、 運營監測情況 接入/預接入統計title內容一致String accessTileText = "月（預接入）";if (OfficeCommonDefine.Report_template_table_name_tag[2].equals(id)) {accessTileText = "月（接入）";}System.err.println("--tb1 create--" + id);// 運營監測情況List<ReportOperationalMonitoringDo> list = (List<ReportOperationalMonitoringDo>) value;// 動態創建表頭String titleText = dto.getYear() + "年" + dto.getLastMonth() + accessTileText;OfficeBaseDto obd = new OfficeBaseDto(titleText, OfficeCommonDefine.OPERATIONAL_MONITORING_TITLE, 8);XWPFTable table = OfficeUtil.createTableHeader(obd, doc, paragraph);// 動態list行for (int j = 0; j < list.size(); j++) {ReportOperationalMonitoringDo tb1_DO = list.get(j);XWPFTableRow dataRow = table.createRow();dataRow.getCell(0).setText(tb1_DO.getOperatorName());dataRow.getCell(1).setText(tb1_DO.getPowerMonth());String prStr=tb1_DO.getPowerRise();if (StringUtils.isBlank(prStr)) {prStr="";}else if (prStr.indexOf("-") >= 0) {prStr = "↓" + prStr + "%";} else if ("0.00".equals(prStr)||"0".equals(prStr)) {prStr = "0";} else {prStr = "↑" + prStr + "%";}dataRow.getCell(2).setText(prStr);dataRow.getCell(3).setText(tb1_DO.getChargeNumMonth());String crStr = tb1_DO.getChargeNumRise();if (StringUtils.isBlank(crStr)) {crStr="";}else if (crStr.indexOf("-") >= 0) {crStr = "↓" + crStr + "%"; // dataRow.getCell(4).setColor("008000");}else if ("0.00".equals(crStr)||"0".equals(crStr)) {crStr = "0";}else {crStr = "↑" + crStr + "%"; // dataRow.getCell(4).setColor("ff0000");//setColor("ff0000"); //紅色}dataRow.getCell(4).setText(crStr);dataRow.getCell(5).setText(tb1_DO.getEquipmentNum());dataRow.getCell(6).setText(tb1_DO.getChargeEquipmentNumMonth());dataRow.getCell(7).setText(tb1_DO.getChargeEquipmentProportion()+"%");}} else if (OfficeCommonDefine.Report_template_table_name_tag[3].equals(id) || OfficeCommonDefine.Report_template_table_name_tag[4].equals(id)|| OfficeCommonDefine.Report_template_table_name_tag[5].equals(id) || OfficeCommonDefine.Report_template_table_name_tag[6].equals(id)) {String firstRowText = "月 充電量排行 前十（預接入）";if (OfficeCommonDefine.Report_template_table_name_tag[4].equals(id)) {firstRowText = "月 充電量排行 前十（接入）";} else if (OfficeCommonDefine.Report_template_table_name_tag[5].equals(id)) {firstRowText = "月 充電次數排行 前十（預接入）";} else if (OfficeCommonDefine.Report_template_table_name_tag[6].equals(id)) {firstRowText = "月 充電次數排行 前十（接入）";}System.err.println("--tb3-6 create--" + id);List<ReportStationTop10Do> list = (List<ReportStationTop10Do>) value;// 動態創建表頭String titleText = dto.getYear() + "年" + dto.getLastMonth() + firstRowText;OfficeBaseDto obd = new OfficeBaseDto(titleText, OfficeCommonDefine.STATION_TOP10_TITLE, 4);XWPFTable table = OfficeUtil.createTableHeader(obd, doc, paragraph);//設置標頭某列寬度table.getRow(1).getCell(1).getCTTc().addNewTcPr().addNewTcW().setW(BigInteger.valueOf(4000));// 動態行for (int j = 0; j < list.size(); j++) {XWPFTableRow dataRow = table.createRow();String sort = (j + 1) + "";ReportStationTop10Do st_do = list.get(j);dataRow.getCell(0).setText(sort);dataRow.getCell(1).setText(st_do.getStationName());dataRow.getCell(2).setText(st_do.getDistrictName());dataRow.getCell(3).setText(st_do.getOrgName());}} else if (id.indexOf("${layoutTb") >= 0) {//四、接入平臺的充電樁市縣分布情況 ${tb7}是總計System.err.println("--tb7- create--" + id);List<CityStatisticsVo> list = (List<CityStatisticsVo>) value;System.out.println("layoutTb|" + JSON.toJSONString(list));String titleText = list.get(0).getName();// 動態創建表頭OfficeBaseDto obd = new OfficeBaseDto(titleText, OfficeCommonDefine.EQUIPMENT_ACCESS_AREA_TITLE, 5);XWPFTable table = OfficeUtil.createTableHeader(obd, doc, paragraph);// 動態行int size = list.size();int rowCnt=size+1;//加一行為總計int accessStationNumSum=0,preAccessStationNumSum=0;int accessEquipmentNumSum=0,preAccessEquipmentNumSum=0;int accessDCEquipmentNumSum=0,preAccessDCEquipmentNumSum=0;int accessACEquipmentNumSum=0,preAccessACEquipmentNumSum=0;for (int j = 0; j < rowCnt; j++) {XWPFTableRow dataRow = table.createRow();if (j < size) {CityStatisticsVo cs = list.get(j);dataRow.getCell(0).setText(cs.getCity());dataRow.getCell(1).setText(cs.getAccessStationNum() + "/" + cs.getPreAccessStationNum());dataRow.getCell(2).setText(cs.getAccessEquipmentNum() + "/" + cs.getPreAccessEquipmentNum());dataRow.getCell(3).setText(cs.getAccessDCEquipmentNum() + "/" + cs.getPreAccessDCEquipmentNum());dataRow.getCell(4).setText(cs.getAccessACEquipmentNum() + "/" + cs.getPreAccessACEquipmentNum());//算總計rowaccessStationNumSum += cs.getAccessStationNum();preAccessStationNumSum += cs.getPreAccessStationNum();accessEquipmentNumSum += cs.getAccessEquipmentNum();preAccessEquipmentNumSum += cs.getPreAccessEquipmentNum();accessDCEquipmentNumSum += cs.getAccessDCEquipmentNum();preAccessDCEquipmentNumSum += cs.getPreAccessDCEquipmentNum();accessACEquipmentNumSum += cs.getAccessACEquipmentNum();preAccessACEquipmentNumSum += cs.getPreAccessACEquipmentNum();} else {dataRow.getCell(0).setText("總計");dataRow.getCell(1).setText(accessStationNumSum + "/" + preAccessStationNumSum);dataRow.getCell(2).setText(accessEquipmentNumSum + "/" + preAccessEquipmentNumSum);dataRow.getCell(3).setText(accessDCEquipmentNumSum + "/" + preAccessDCEquipmentNumSum);dataRow.getCell(4).setText(accessACEquipmentNumSum + "/" + preAccessACEquipmentNumSum);}}}}}}}}}}

?

總結

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