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linfso 2024-07-23 07:24:45 +08:00
parent 6ce66ac16e
commit bb82d920f5
4 changed files with 0 additions and 462 deletions
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50
emis-biz/src/main/java/com/xdadan/erp/emis/service/billexport/DynamicDataMapping.java
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package com.xdadan.erp.emis.service.billexport;
import lombok.Data;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
@Data
public class DynamicDataMapping {
private String dataId;
private List<Map<String, Object>> dataList;
/**
* @description: 组装只有一个list类型的动态数据
* @param dataId
* @param dataList
*/
public static List<DynamicDataMapping> createOneDataList(String dataId, List<Map<String, Object>> dataList) {
if (dataList == null)
return null;
return Collections.singletonList(getDynamicDataMapping(dataId,dataList));
}
/**
* @description: 组装只有多个list类型的动态数据
* @param transMap
*/
public static List<DynamicDataMapping> createMorDataList(Map<String,List<Map<String, Object>>> transMap) {
if (transMap == null)
return null;
List<DynamicDataMapping> list = new ArrayList<>();
transMap.forEach((dataId,dataList)->{
list.add(getDynamicDataMapping(dataId,dataList));
});
return list;
}
public static DynamicDataMapping getDynamicDataMapping(String dataId, List<Map<String, Object>> dataList){
DynamicDataMapping dynamicData = new DynamicDataMapping();
dynamicData.dataId = dataId;
dynamicData.dataList = dataList;
return dynamicData;
}
}

250
emis-biz/src/main/java/com/xdadan/erp/emis/service/billexport/ExcelTemplateProc.java
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package com.xdadan.erp.emis.service.billexport;
import org.apache.commons.lang3.StringUtils;
import org.apache.poi.ss.usermodel.CellCopyPolicy;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.util.ResourceUtils;
import java.io.*;
import java.util.List;
import java.util.Map;
/**
* @Description 根据模版导出Excel程序
*/
public class ExcelTemplateProc {
/**
* @param templateFileName
* @param exportFilePathAndName
* @param staticDataMap
* @param dynamicDataMappingList
* @return void
* @description: 根据模版导出Excel入口
* @author susu
* @date 2024/2/20
*/
public static void doExportExcelByTemplateProc(String templateFileName, String exportFilePathAndName,
Map<String, Object> staticDataMap,
List<DynamicDataMapping> dynamicDataMappingList) throws IOException {
/**
* 1. 从resources下加载模板并替换
* 使用 ResourceUtils 加载文件
*/
File file = ResourceUtils.getFile("classpath:"+templateFileName);
InputStream inputStream = new FileInputStream(file);
Workbook workbook = dealFirstSheetByTemplate(inputStream, staticDataMap, dynamicDataMappingList);
// 2. 保存到本地
saveExportFile(workbook, exportFilePathAndName);
}
/**
* @param workbook
* @param excelFilePath
* @return void
* @description: 保存导出的Excel文件到服务器
* @author susu
* @date 2024/2/20
*/
public static void saveExportFile(Workbook workbook, String excelFilePath) throws IOException {
FileOutputStream outputStream = new FileOutputStream(excelFilePath);
executeWorkBookWrite(workbook, outputStream);
}
/**
* @param workbook
* @param outputStream
* @return void
* @description: 数据输出
* @author susu
* @date 2024/2/20
*/
public static void executeWorkBookWrite(Workbook workbook, OutputStream outputStream) throws IOException {
workbook.write(outputStream);
outputStream.flush();
outputStream.close();
workbook.close();
}
/**
* @param inputStream
* @param staticDataMap
* @param dynamicDataMappingList
* @return org.apache.poi.ss.usermodel.Workbook
* @description: 处理只有一个sheet页的模版
* @author susu
* @date 2024/2/20
*/
public static Workbook dealFirstSheetByTemplate(InputStream inputStream,
Map<String, Object> staticDataMap,
List<DynamicDataMapping> dynamicDataMappingList) throws IOException {
XSSFWorkbook workbook = new XSSFWorkbook(inputStream);
XSSFSheet sheet = workbook.getSheetAt(0);
// 按模板处理sheet页
dealSheetDataByTemplate(sheet, staticDataMap, dynamicDataMappingList);
return workbook;
}
/**
* @param sheet
* @param staticDataMap
* @param dynamicDataMappingList
* @return void
* @description: 按模板处理sheet页里的数据
* @author susu
* @date 2024/2/19
*/
private static void dealSheetDataByTemplate(XSSFSheet sheet, Map<String, Object> staticDataMap, List<DynamicDataMapping> dynamicDataMappingList) {
// 循环sheet里每一行
for (int i = sheet.getFirstRowNum(); i <= sheet.getLastRowNum(); i++) {
XSSFRow row = sheet.getRow(i);
DynamicDataMapping dynamicDataMapping = getDynamicRowDataByMatch(row, dynamicDataMappingList);
if (dynamicDataMapping != null) {
i = getTemplateLastRowIndexAfterDealTemplate(sheet, i, dynamicDataMapping);
} else {
dealTemplateDataRow(row, null, staticDataMap);
}
}
}
/**
* @param row
* @param dataMap
* @param dataPrefix
* @return void
* @description: 循环处理模版中每行的数据
* @author susu
* @date 2024/2/20
*/
private static void dealTemplateDataRow(XSSFRow row, String dataPrefix, Map<String, Object> dataMap) {
if (dataMap == null) {
return;
}
for (int i = row.getFirstCellNum(); i < row.getLastCellNum(); i++) {
// XSSFCell cell = row.getCell(i);
// fillInTemplateCellDataValue(cell, dataPrefix, dataMap);
}
}
/**
* @param cell
* @param dataPrefix
* @param dataMap
* @return void
* @description: 填充模版里单元格的值
* @author susu
* @date 2024/2/20
*/
private static void fillInTemplateCellDataValue(XSSFCell cell, String dataPrefix, Map<String, Object> dataMap) {
if (cell == null) {
return;
}
String cellValue = cell.getStringCellValue();//获取模版里设置的数据
if (StringUtils.isEmpty(cellValue)) {
return;
}
boolean flag = false;
dataPrefix = StringUtils.isEmpty(dataPrefix) ? "" : (dataPrefix + ".");
for (Map.Entry<String, Object> entry : dataMap.entrySet()) {
// 循环所有，因为可能一行有多个占位符
String cellTemplateStr = "{{" + dataPrefix + entry.getKey() + "}}";
if (cellValue.contains(cellTemplateStr)) {
// 替换模版中单元格的数据
cellValue = cellValue.replace(cellTemplateStr, entry.getValue() == null ? "" : entry.getValue().toString());
flag = true;
}
}
if (flag) {
// cell.setCellValue(cellValue);
}
}
/**
* @param row
* @param dynamicDataMappingList
* @return com.liu.susu.excel.template.poi.common.DynamicDataMapping
* @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
* @author susu
* @date 2024/2/21
*/
private static DynamicDataMapping getDynamicRowDataByMatch(XSSFRow row, List<DynamicDataMapping> dynamicDataMappingList) {
if (dynamicDataMappingList == null || dynamicDataMappingList.size() < 1) {
return null;
}
for (int j = row.getFirstCellNum(); j < row.getLastCellNum(); j++) {
// XSSFCell cell = row.getCell(j);
// String value = cell.getStringCellValue();
// if (value != null) {
// for (DynamicDataMapping dynamicData : dynamicDataMappingList) {
// if (value.startsWith("{{" + dynamicData.getDataId() + ".")) {
// return dynamicData;
// }
// }
// }
}
return null;
}
/**
* @param sheet
* @param rowIndex
* @param dynamicDataMapping
* @return int
* @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
* @author susu
* @date 2024/2/20
*/
private static int getTemplateLastRowIndexAfterDealTemplate(XSSFSheet sheet, int rowIndex, DynamicDataMapping dynamicDataMapping) {
if (dynamicDataMapping == null) {
return rowIndex;
}
int dataRows = dynamicDataMapping.getDataList().size();
// 需要拷贝的行数（因为模板行本身占1行，所以-1）
int copyRows = dataRows - 1;
if (copyRows > 0) {
/**
* 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
* 相当于模版行上面插入n行空行（n=copyRows）
*/
sheet.shiftRows(rowIndex, sheet.getLastRowNum(), copyRows, true, false);
// 拷贝策略
CellCopyPolicy cellCopyPolicy = makeCellCopyPolicy();
// 因为从模版行开始向下平移了copyRows行，所以这里 模板行=rowIndex + copyRows,
int templateDataRow = rowIndex + copyRows;
// 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
for (int i = 0; i < copyRows; i++) {
//templateDataRow-模版行数据 rowIndex + i循环的当前空行
sheet.copyRows(templateDataRow, templateDataRow, rowIndex + i, cellCopyPolicy);
}
}
// 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）
for (int j = rowIndex; j < rowIndex + dataRows; j++) {
Map<String, Object> dataMap = dynamicDataMapping.getDataList().get(j - rowIndex);
dealTemplateDataRow(sheet.getRow(j), dynamicDataMapping.getDataId(), dataMap);
}
return rowIndex + copyRows;
}
/**
* @param
* @return org.apache.poi.ss.usermodel.CellCopyPolicy
* @description: 拷贝策略
* @author susu
* @date 2024/2/20
*/
public static CellCopyPolicy makeCellCopyPolicy() {
CellCopyPolicy cellCopyPolicy = new CellCopyPolicy();
cellCopyPolicy.setCopyCellValue(true);
cellCopyPolicy.setCopyCellStyle(true);
return cellCopyPolicy;
}
}

65
emis-biz/src/main/java/com/xdadan/erp/emis/service/billexport/ExportExcelByTemplateUtils.java
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package com.xdadan.erp.emis.service.billexport;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* @Description 根据模版导出Excel工具类
* @Author susu
* @Date 2024/2/19
*/
public class ExportExcelByTemplateUtils {
/**
* @description: 根据模版导出Excel入口（单个list数据）
* @param templateFileName
* @param exportFilePathAndName
* @param staticDataMap
* @param dataId
* @param originDataList
* @return void
* @author susu
* @date 2024/2/21
*/
public static void doExportExcelOneListByTemplate(String templateFileName, String exportFilePathAndName,
Map<String, Object> staticDataMap,
String dataId,
List<?> originDataList) throws Exception{
List<Map<String, Object>> exportDataList = MapObjectUtil.objListToMapList(originDataList);
// 只有一个list数据
List<DynamicDataMapping> dynamicDataMappingList = DynamicDataMapping.createOneDataList(dataId, exportDataList);
// 导出
ExcelTemplateProc.doExportExcelByTemplateProc(templateFileName,exportFilePathAndName,staticDataMap,dynamicDataMappingList);
}
/**
* @description: 根据模版导出Excel入口（多个list数据）
* @param templateFileName
* @param exportFilePathAndName
* @param staticSource
* @param originDataMapList
* @return void
* @author susu
* @date 2024/2/20
*/
public static void doExportExcelMoreListByTemplate(String templateFileName,
String exportFilePathAndName,
Map<String, Object> staticSource,
Map<String, List<?>> originDataMapList) throws Exception{
Map<String,List<Map<String, Object>>> transMap = new HashMap<>();
originDataMapList.forEach((dataId,originDataList)->{
List<Map<String, Object>> transDataList = MapObjectUtil.objListToMapList(originDataList);
transMap.put(dataId,transDataList);
});
// 多个list类型数据
List<DynamicDataMapping> dynamicDataMappingList = DynamicDataMapping.createMorDataList(transMap);
// 导出
ExcelTemplateProc.doExportExcelByTemplateProc(templateFileName,exportFilePathAndName,staticSource,dynamicDataMappingList);
}
}

97
emis-biz/src/main/java/com/xdadan/erp/emis/service/billexport/MapObjectUtil.java
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package com.xdadan.erp.emis.service.billexport;
import com.alibaba.fastjson.JSONObject;
import org.apache.commons.beanutils.BeanMap;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.HashMap;
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);
}
}