md
This commit is contained in:
linfso
parent
6ce66ac16e
commit
bb82d920f5
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package com.xdadan.erp.emis.service.billexport;
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import lombok.Data;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import java.util.Map;
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@Data
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public class DynamicDataMapping {
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private String dataId;
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private List<Map<String, Object>> dataList;
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/**
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* @description: 组装只有一个list类型的动态数据
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* @param dataId
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* @param dataList
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*/
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public static List<DynamicDataMapping> createOneDataList(String dataId, List<Map<String, Object>> dataList) {
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if (dataList == null)
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return null;
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return Collections.singletonList(getDynamicDataMapping(dataId,dataList));
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}
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/**
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* @description: 组装只有多个list类型的动态数据
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* @param transMap
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*/
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public static List<DynamicDataMapping> createMorDataList(Map<String,List<Map<String, Object>>> transMap) {
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if (transMap == null)
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return null;
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List<DynamicDataMapping> list = new ArrayList<>();
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transMap.forEach((dataId,dataList)->{
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list.add(getDynamicDataMapping(dataId,dataList));
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});
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return list;
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}
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public static DynamicDataMapping getDynamicDataMapping(String dataId, List<Map<String, Object>> dataList){
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DynamicDataMapping dynamicData = new DynamicDataMapping();
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dynamicData.dataId = dataId;
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dynamicData.dataList = dataList;
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return dynamicData;
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}
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}
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package com.xdadan.erp.emis.service.billexport;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.poi.ss.usermodel.CellCopyPolicy;
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import org.apache.poi.ss.usermodel.Workbook;
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import org.apache.poi.xssf.usermodel.XSSFCell;
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import org.apache.poi.xssf.usermodel.XSSFRow;
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import org.apache.poi.xssf.usermodel.XSSFSheet;
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import org.apache.poi.xssf.usermodel.XSSFWorkbook;
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import org.springframework.util.ResourceUtils;
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import java.io.*;
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import java.util.List;
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import java.util.Map;
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/**
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* @Description 根据模版导出Excel程序
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*/
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public class ExcelTemplateProc {
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/**
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* @param templateFileName
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* @param exportFilePathAndName
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* @param staticDataMap
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* @param dynamicDataMappingList
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* @return void
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* @description: 根据模版导出Excel入口
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* @author susu
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* @date 2024/2/20
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*/
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public static void doExportExcelByTemplateProc(String templateFileName, String exportFilePathAndName,
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Map<String, Object> staticDataMap,
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List<DynamicDataMapping> dynamicDataMappingList) throws IOException {
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/**
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* 1. 从resources下加载模板并替换
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* 使用 ResourceUtils 加载文件
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*/
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File file = ResourceUtils.getFile("classpath:"+templateFileName);
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InputStream inputStream = new FileInputStream(file);
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Workbook workbook = dealFirstSheetByTemplate(inputStream, staticDataMap, dynamicDataMappingList);
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// 2. 保存到本地
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saveExportFile(workbook, exportFilePathAndName);
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}
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/**
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* @param workbook
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* @param excelFilePath
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* @return void
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* @description: 保存导出的Excel文件到服务器
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* @author susu
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* @date 2024/2/20
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*/
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public static void saveExportFile(Workbook workbook, String excelFilePath) throws IOException {
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FileOutputStream outputStream = new FileOutputStream(excelFilePath);
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executeWorkBookWrite(workbook, outputStream);
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}
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/**
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* @param workbook
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* @param outputStream
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* @return void
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* @description: 数据输出
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* @author susu
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* @date 2024/2/20
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*/
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public static void executeWorkBookWrite(Workbook workbook, OutputStream outputStream) throws IOException {
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workbook.write(outputStream);
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outputStream.flush();
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outputStream.close();
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workbook.close();
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}
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/**
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* @param inputStream
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* @param staticDataMap
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* @param dynamicDataMappingList
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* @return org.apache.poi.ss.usermodel.Workbook
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* @description: 处理只有一个sheet页的模版
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* @author susu
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* @date 2024/2/20
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*/
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public static Workbook dealFirstSheetByTemplate(InputStream inputStream,
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Map<String, Object> staticDataMap,
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List<DynamicDataMapping> dynamicDataMappingList) throws IOException {
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XSSFWorkbook workbook = new XSSFWorkbook(inputStream);
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XSSFSheet sheet = workbook.getSheetAt(0);
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// 按模板处理sheet页
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dealSheetDataByTemplate(sheet, staticDataMap, dynamicDataMappingList);
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return workbook;
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}
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/**
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* @param sheet
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* @param staticDataMap
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* @param dynamicDataMappingList
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* @return void
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* @description: 按模板处理sheet页里的数据
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* @author susu
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* @date 2024/2/19
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*/
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private static void dealSheetDataByTemplate(XSSFSheet sheet, Map<String, Object> staticDataMap, List<DynamicDataMapping> dynamicDataMappingList) {
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// 循环sheet里每一行
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for (int i = sheet.getFirstRowNum(); i <= sheet.getLastRowNum(); i++) {
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XSSFRow row = sheet.getRow(i);
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DynamicDataMapping dynamicDataMapping = getDynamicRowDataByMatch(row, dynamicDataMappingList);
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if (dynamicDataMapping != null) {
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i = getTemplateLastRowIndexAfterDealTemplate(sheet, i, dynamicDataMapping);
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} else {
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dealTemplateDataRow(row, null, staticDataMap);
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}
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}
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}
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/**
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* @param row
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* @param dataMap
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* @param dataPrefix
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* @return void
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* @description: 循环处理模版中每行的数据
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* @author susu
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* @date 2024/2/20
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*/
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private static void dealTemplateDataRow(XSSFRow row, String dataPrefix, Map<String, Object> dataMap) {
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if (dataMap == null) {
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return;
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}
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for (int i = row.getFirstCellNum(); i < row.getLastCellNum(); i++) {
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// XSSFCell cell = row.getCell(i);
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// fillInTemplateCellDataValue(cell, dataPrefix, dataMap);
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}
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}
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/**
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* @param cell
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* @param dataPrefix
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* @param dataMap
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* @return void
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* @description: 填充模版里单元格的值
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* @author susu
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* @date 2024/2/20
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*/
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private static void fillInTemplateCellDataValue(XSSFCell cell, String dataPrefix, Map<String, Object> dataMap) {
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if (cell == null) {
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return;
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}
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String cellValue = cell.getStringCellValue();//获取模版里设置的数据
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if (StringUtils.isEmpty(cellValue)) {
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return;
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}
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boolean flag = false;
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dataPrefix = StringUtils.isEmpty(dataPrefix) ? "" : (dataPrefix + ".");
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for (Map.Entry<String, Object> entry : dataMap.entrySet()) {
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// 循环所有，因为可能一行有多个占位符
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String cellTemplateStr = "{{" + dataPrefix + entry.getKey() + "}}";
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if (cellValue.contains(cellTemplateStr)) {
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// 替换模版中单元格的数据
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cellValue = cellValue.replace(cellTemplateStr, entry.getValue() == null ? "" : entry.getValue().toString());
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flag = true;
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}
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}
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if (flag) {
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// cell.setCellValue(cellValue);
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}
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}
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/**
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* @param row
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* @param dynamicDataMappingList
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* @return com.liu.susu.excel.template.poi.common.DynamicDataMapping
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* @description: 通过模版sheet中的行数据 与 动态数据匹配,获取此行需要填充的动态数据
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* @author susu
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* @date 2024/2/21
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*/
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private static DynamicDataMapping getDynamicRowDataByMatch(XSSFRow row, List<DynamicDataMapping> dynamicDataMappingList) {
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if (dynamicDataMappingList == null || dynamicDataMappingList.size() < 1) {
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return null;
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}
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for (int j = row.getFirstCellNum(); j < row.getLastCellNum(); j++) {
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// XSSFCell cell = row.getCell(j);
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// String value = cell.getStringCellValue();
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// if (value != null) {
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// for (DynamicDataMapping dynamicData : dynamicDataMappingList) {
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// if (value.startsWith("{{" + dynamicData.getDataId() + ".")) {
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// return dynamicData;
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// }
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// }
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// }
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}
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return null;
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}
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/**
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* @param sheet
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* @param rowIndex
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* @param dynamicDataMapping
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* @return int
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* @description: 根据动态数据的条数动态复制模版行，每处理一个类型的list返回最后的行数，进而处理下一个类型的list
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* @author susu
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* @date 2024/2/20
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*/
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private static int getTemplateLastRowIndexAfterDealTemplate(XSSFSheet sheet, int rowIndex, DynamicDataMapping dynamicDataMapping) {
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if (dynamicDataMapping == null) {
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return rowIndex;
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}
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int dataRows = dynamicDataMapping.getDataList().size();
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// 需要拷贝的行数（因为模板行本身占1行，所以-1）
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int copyRows = dataRows - 1;
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if (copyRows > 0) {
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/**
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* shiftRows: 从动态数据模版行(rowIndex)到最后一行，这些全部行都向下移copyRows行
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* 相当于模版行上面插入n行空行（n=copyRows）
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*/
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sheet.shiftRows(rowIndex, sheet.getLastRowNum(), copyRows, true, false);
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// 拷贝策略
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CellCopyPolicy cellCopyPolicy = makeCellCopyPolicy();
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// 因为从模版行开始向下平移了copyRows行，所以这里 模板行=rowIndex + copyRows,
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int templateDataRow = rowIndex + copyRows;
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// 因为模版行上新增了空行，所以要把模板所在行的模版 拷贝到上面新增的空行
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for (int i = 0; i < copyRows; i++) {
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//templateDataRow-模版行数据 rowIndex + i循环的当前空行
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sheet.copyRows(templateDataRow, templateDataRow, rowIndex + i, cellCopyPolicy);
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}
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}
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// 循环模版行：动态替换模版行（将模版行里的模版替换成动态数据）
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for (int j = rowIndex; j < rowIndex + dataRows; j++) {
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Map<String, Object> dataMap = dynamicDataMapping.getDataList().get(j - rowIndex);
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dealTemplateDataRow(sheet.getRow(j), dynamicDataMapping.getDataId(), dataMap);
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}
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return rowIndex + copyRows;
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}
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/**
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* @param
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* @return org.apache.poi.ss.usermodel.CellCopyPolicy
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* @description: 拷贝策略
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* @author susu
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* @date 2024/2/20
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*/
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public static CellCopyPolicy makeCellCopyPolicy() {
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CellCopyPolicy cellCopyPolicy = new CellCopyPolicy();
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cellCopyPolicy.setCopyCellValue(true);
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cellCopyPolicy.setCopyCellStyle(true);
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return cellCopyPolicy;
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}
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}
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@ -1,65 +0,0 @@
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package com.xdadan.erp.emis.service.billexport;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/**
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* @Description 根据模版导出Excel工具类
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* @Author susu
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* @Date 2024/2/19
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*/
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public class ExportExcelByTemplateUtils {
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/**
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* @description: 根据模版导出Excel入口（单个list数据）
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* @param templateFileName
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* @param exportFilePathAndName
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* @param staticDataMap
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* @param dataId
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* @param originDataList
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* @return void
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* @author susu
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* @date 2024/2/21
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*/
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public static void doExportExcelOneListByTemplate(String templateFileName, String exportFilePathAndName,
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Map<String, Object> staticDataMap,
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String dataId,
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List<?> originDataList) throws Exception{
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List<Map<String, Object>> exportDataList = MapObjectUtil.objListToMapList(originDataList);
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// 只有一个list数据
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List<DynamicDataMapping> dynamicDataMappingList = DynamicDataMapping.createOneDataList(dataId, exportDataList);
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// 导出
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ExcelTemplateProc.doExportExcelByTemplateProc(templateFileName,exportFilePathAndName,staticDataMap,dynamicDataMappingList);
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}
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/**
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* @description: 根据模版导出Excel入口（多个list数据）
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* @param templateFileName
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* @param exportFilePathAndName
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* @param staticSource
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* @param originDataMapList
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* @return void
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* @author susu
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* @date 2024/2/20
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*/
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public static void doExportExcelMoreListByTemplate(String templateFileName,
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String exportFilePathAndName,
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Map<String, Object> staticSource,
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Map<String, List<?>> originDataMapList) throws Exception{
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Map<String,List<Map<String, Object>>> transMap = new HashMap<>();
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originDataMapList.forEach((dataId,originDataList)->{
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List<Map<String, Object>> transDataList = MapObjectUtil.objListToMapList(originDataList);
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transMap.put(dataId,transDataList);
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});
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// 多个list类型数据
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List<DynamicDataMapping> dynamicDataMappingList = DynamicDataMapping.createMorDataList(transMap);
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// 导出
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ExcelTemplateProc.doExportExcelByTemplateProc(templateFileName,exportFilePathAndName,staticSource,dynamicDataMappingList);
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}
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}
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@ -1,97 +0,0 @@
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package com.xdadan.erp.emis.service.billexport;
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import com.alibaba.fastjson.JSONObject;
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import org.apache.commons.beanutils.BeanMap;
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import java.lang.reflect.Field;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
|
|
||||||
import java.util.Map;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* @Description
|
|
||||||
* @Author susu
|
|
||||||
* @Date 2024/2/19
|
|
||||||
*/
|
|
||||||
public class MapObjectUtil {
|
|
||||||
|
|
||||||
/**
|
|
||||||
* @description: 将object的list数据 转换成 map的list（如：List<Map<String, Object>>）
|
|
||||||
* @param objDataList
|
|
||||||
* @return java.util.List<java.util.Map<java.lang.String,java.lang.Object>>
|
|
||||||
* @author susu
|
|
||||||
*/
|
|
||||||
public static List<Map<String, Object>> objListToMapList(List<?> objDataList){
|
|
||||||
List<Map<String, Object>> dataList = new ArrayList<>();
|
|
||||||
if (objDataList==null || objDataList.size()<1){
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
objDataList.forEach(obj->{
|
|
||||||
try {
|
|
||||||
Map<String, Object> map = MapObjectUtil.objectToMap(obj);
|
|
||||||
dataList.add(map);
|
|
||||||
} catch (IllegalAccessException e) {
|
|
||||||
throw new RuntimeException(e);
|
|
||||||
}
|
|
||||||
});
|
|
||||||
return dataList;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* @description: 将object数据转换成map数据
|
|
||||||
* @param obj
|
|
||||||
* @return java.util.Map<java.lang.String,java.lang.Object>
|
|
||||||
* @author susu
|
|
||||||
*/
|
|
||||||
public static Map<String, Object> objectToMap(Object obj) throws IllegalAccessException {
|
|
||||||
Map<String, Object> map = new HashMap();
|
|
||||||
Class<?> cla = obj.getClass();
|
|
||||||
Field[] fields = cla.getDeclaredFields();
|
|
||||||
for (Field field : fields) {
|
|
||||||
field.setAccessible(true);
|
|
||||||
String keyName = field.getName();
|
|
||||||
Object value = field.get(obj);
|
|
||||||
if (value == null)
|
|
||||||
value = "";
|
|
||||||
map.put(keyName, value);
|
|
||||||
}
|
|
||||||
return map;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* @description: 使用 JSONObject 将object转换成map
|
|
||||||
* @param obj
|
|
||||||
* @return java.util.Map<?,?>
|
|
||||||
* @author susu
|
|
||||||
*/
|
|
||||||
public static Map<?, ?> objectToMap2(Object obj) {
|
|
||||||
if (obj == null)
|
|
||||||
return null;
|
|
||||||
return JSONObject.parseObject(JSONObject.toJSONString(obj),Map.class);
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* @description: 使用BeanMap将object转换成map
|
|
||||||
* @param obj
|
|
||||||
* @return java.util.Map<?,?>
|
|
||||||
* @author susu
|
|
||||||
*/
|
|
||||||
public static Map<?, ?> objectToMap3(Object obj) {
|
|
||||||
if (obj == null)
|
|
||||||
return null;
|
|
||||||
return new BeanMap(obj);
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
public static void main(String[] args) {
|
|
||||||
// DogEntity2 dog = new DogEntity2();
|
|
||||||
// dog.setDogId("A-1001");
|
|
||||||
// dog.setDogAge(3);
|
|
||||||
// dog.setDogName("aaa");
|
|
||||||
//// Map map = JSONObject.parseObject(JSONObject.toJSONString(dog),Map.class);
|
|
||||||
// Map map = objectToMap2(dog);
|
|
||||||
// System.out.println(map);
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
|
||||||
Loading…
Reference in New Issue
Block a user