ExcelUtil.java
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package com.skua.modules.equipment.util;
import com.skua.core.context.SpringContextUtils;
import com.skua.core.util.DateUtils;
import com.skua.modules.equipment.dto.EquipmentDTO;
import com.skua.modules.equipment.pojo.Equipment;
import com.skua.modules.equipment.entity.EquipmentAsset;
import com.skua.modules.equipment.entity.EquipmentExt;
import com.skua.modules.equipment.entity.EquipmentInfo;
import com.skua.redis.util.CustomRedisUtil;
import org.apache.commons.lang.StringUtils;
import org.apache.poi.hssf.usermodel.*;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.CellRangeAddress;
import org.jeecgframework.poi.excel.annotation.Excel;
import java.lang.reflect.Field;
import java.util.*;
/**
* @author sonin
* @date 2021/10/8 14:49
*/
public class ExcelUtil {
public static Workbook exportEquipment(List<Map<String, Object>> mapList) {
// 获取 enName => zhName 映射
Field[] equipmentFields = Equipment.class.getDeclaredFields();
Map<String, String> equipmentAssetMap = new LinkedHashMap<>();
Map<String, String> equipmentInfoMap = new LinkedHashMap<>();
Map<String, String> equipmentExtMap = new LinkedHashMap<>();
// 需要转换的字段: index => fieldName
Map<Integer, String> convertMap = new HashMap<>();
Map<String, String> tmpExcelMap = null;
for (Field equipmentField : equipmentFields) {
Class subClazz = equipmentField.getType();
Field[] subFields = subClazz.getDeclaredFields();
if (subClazz == EquipmentAsset.class) {
tmpExcelMap = equipmentAssetMap;
} else if (subClazz == EquipmentInfo.class) {
tmpExcelMap = equipmentInfoMap;
} else if (subClazz == EquipmentExt.class) {
tmpExcelMap = equipmentExtMap;
}
for (Field subField : subFields) {
Excel excel = subField.getAnnotation(Excel.class);
if (excel != null && !"".equals(excel.name())) {
tmpExcelMap.put(subField.getName(), excel.name());
}
}
}
// 创建excel
HSSFWorkbook hssfWorkbook = new HSSFWorkbook();
// 设置 居中样式
CellStyle cellStyle = hssfWorkbook.createCellStyle();
cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);
// 创建sheet
HSSFSheet hssfSheet = hssfWorkbook.createSheet("sheet0");
// 创建第一行 => 合并单元格信息
HSSFRow title = hssfSheet.createRow(0);
// 合并equipmentAsset
for (int i = 0; i < equipmentAssetMap.size(); i++) {
HSSFCell cell = title.createCell(i);
if (i == 0) {
cell.setCellValue("资产信息");
cell.setCellStyle(cellStyle);
}
}
CellRangeAddress eaCellRangeAddress = new CellRangeAddress(0, 0, 0, equipmentAssetMap.size() - 1);
hssfSheet.addMergedRegion(eaCellRangeAddress);
// 合并equipmentInfo
for (int i = equipmentAssetMap.size(); i < equipmentAssetMap.size() + equipmentInfoMap.size(); i++) {
HSSFCell cell = title.createCell(i);
if (i == equipmentAssetMap.size()) {
cell.setCellValue("设备信息");
cell.setCellStyle(cellStyle);
}
}
CellRangeAddress eiCellRangeAddress = new CellRangeAddress(0, 0, equipmentAssetMap.size(), equipmentAssetMap.size() + equipmentInfoMap.size() - 1);
hssfSheet.addMergedRegion(eiCellRangeAddress);
// 合并equipmentExt
for (int i = equipmentAssetMap.size() + equipmentInfoMap.size(); i < equipmentAssetMap.size() + equipmentInfoMap.size() + equipmentExtMap.size(); i++) {
HSSFCell cell = title.createCell(i);
if (i == equipmentAssetMap.size() + equipmentInfoMap.size()) {
cell.setCellValue("设备扩展信息");
}
}
// 目前设备扩展equipmentExt无字段,因此需要判空
if (!equipmentExtMap.isEmpty()) {
CellRangeAddress eeCellRangeAddress = new CellRangeAddress(0, 0, equipmentAssetMap.size() + equipmentInfoMap.size(), equipmentAssetMap.size() + equipmentInfoMap.size() + equipmentExtMap.size() - 1);
hssfSheet.addMergedRegion(eeCellRangeAddress);
}
// 创建第2行 => zhName展示
HSSFRow subTitle = hssfSheet.createRow(1);
int column = 0;
for (Map.Entry<String, String> item : equipmentAssetMap.entrySet()) {
HSSFCell cell = subTitle.createCell(column++);
cell.setCellValue(item.getValue());
if ("assetType".equals(item.getKey())) {
// 资产类型需要转换
convertMap.put(column - 1, item.getKey());
}
}
for (Map.Entry<String, String> item : equipmentInfoMap.entrySet()) {
HSSFCell cell = subTitle.createCell(column++);
cell.setCellValue(item.getValue());
if ("departId".equals(item.getKey())) {
// 货主组织需要转换
convertMap.put(column - 1, item.getKey());
} else if ("equipmentType".equals(item.getKey())) {
// 设备类型需要转换
convertMap.put(column - 1, item.getKey());
} else if ("installPosition".equals(item.getKey())) {
// 安装位置需要转换
convertMap.put(column - 1, item.getKey());
}
}
for (Map.Entry<String, String> item : equipmentExtMap.entrySet()) {
HSSFCell cell = subTitle.createCell(column++);
cell.setCellValue(item.getValue());
}
// assetType: enName => zhName
Map<String, String> assetTypeVal2KeyMap = EquipmentUtils.convertFunc("assetType", false);
// equipmentType: enName => zhName
Map<String, String> equipmentTypeVal2KeyMap = EquipmentUtils.convertFunc("equipmentType", false);
// installPosition enName => zhName
Map<String, String> installPositionVal2KeyMap = EquipmentUtils.convertFunc("installPosition", false);
// 从第三行开始，展示数据
int row = 2;
column = 0;
for (Map<String, Object> map : mapList) {
HSSFRow rowData = hssfSheet.createRow(row++);
for (Map.Entry<String, String> item : equipmentAssetMap.entrySet()) {
HSSFCell cell = rowData.createCell(column++);
Object cellVal = map.get("EquipmentAsset_" + item.getKey());
if (cellVal != null) {
// 转换字段 enName => zhName
if (convertMap.get(column - 1) != null) {
if ("assetType".equals(convertMap.get(column - 1))) {
cell.setCellValue("" + assetTypeVal2KeyMap.getOrDefault(cellVal.toString(), cellVal.toString()));
}
} else {
cell.setCellValue(cellVal.toString());
}
}
}
for (Map.Entry<String, String> item : equipmentInfoMap.entrySet()) {
HSSFCell cell = rowData.createCell(column++);
Object cellVal = map.get("EquipmentInfo_" + item.getKey());
if (cellVal != null) {
// 转换字段 enName => zhName
if (convertMap.get(column - 1) != null) {
if ("departId".equals(convertMap.get(column - 1))) {
CustomRedisUtil customRedisUtil = (CustomRedisUtil) SpringContextUtils.getBean("customRedisUtil");
cell.setCellValue("" + customRedisUtil.hget("sys_depart", cellVal.toString(), "id", "depart_name"));
} else if ("equipmentType".equals(convertMap.get(column - 1))) {
cell.setCellValue("" + equipmentTypeVal2KeyMap.getOrDefault(cellVal.toString(), cellVal.toString()));
} else if ("installPosition".equals(convertMap.get(column - 1))) {
cell.setCellValue("" + installPositionVal2KeyMap.getOrDefault(cellVal.toString(), cellVal.toString()));
}
} else {
cell.setCellValue(cellVal.toString());
}
}
}
for (Map.Entry<String, String> item : equipmentExtMap.entrySet()) {
HSSFCell cell = rowData.createCell(column++);
Object cellVal = map.get("EquipmentExt_" + item.getKey());
if (cellVal != null) {
cell.setCellValue(cellVal.toString());
}
}
column = 0;
}
return hssfWorkbook;
}
public static List<EquipmentDTO> importEquipment(Sheet sheet) throws Exception {
List<EquipmentDTO> equipmentDTOList = new ArrayList<>();
// 获取 zhName => enName 映射
Map<String, String> equipmentAssetMap = new LinkedHashMap<>();
Map<String, String> equipmentInfoMap = new LinkedHashMap<>();
Map<String, String> equipmentExtMap = new LinkedHashMap<>();
Map<String, String> tmpExcelMap = null;
Field[] equipmentFields = Equipment.class.getDeclaredFields();
for (Field equipmentVOField : equipmentFields) {
Class subClazz = equipmentVOField.getType();
Field[] subFields = subClazz.getDeclaredFields();
if (subClazz == EquipmentAsset.class) {
tmpExcelMap = equipmentAssetMap;
} else if (subClazz == EquipmentInfo.class) {
tmpExcelMap = equipmentInfoMap;
} else if (subClazz == EquipmentExt.class) {
tmpExcelMap = equipmentExtMap;
}
for (Field subField : subFields) {
Excel excel = subField.getAnnotation(Excel.class);
if (excel != null && !"".equals(excel.name())) {
tmpExcelMap.put(excel.name(), subField.getName());
}
}
}
// 获取第0行数据
Row row0 = sheet.getRow(0);
// 标题 => 长度 的映射
Map<String, Integer> title2LenMap = new LinkedHashMap<>();
int cur = 0, prev = 0;
Queue<String> titleQueue = new LinkedList<>();
while (cur < row0.getLastCellNum()) {
Cell cell = row0.getCell(cur);
if (cell != null) {
String title = cell.getStringCellValue();
if (StringUtils.isNotEmpty(title)) {
titleQueue.offer(title);
if (cur != 0) {
title2LenMap.put(titleQueue.poll(), cur - prev);
prev = cur;
}
}
}
cur++;
}
title2LenMap.put(titleQueue.poll(), cur - prev);
// 资产信息: [0, len0)
int len0 = title2LenMap.get("资产信息");
// 设备信息: [len0, len0 + len1)
int len1 = title2LenMap.get("设备信息");
// 设备扩展信息: [len0 + len1, len0 + len1 + len2)
int len2 = 0;
if (title2LenMap.get("设备扩展信息") != null) {
len2 = title2LenMap.get("设备扩展信息");
}
// 获取第1行数据, 设置index => enName的映射
Row row1 = sheet.getRow(1);
Map<Integer, String> index2enNameMap = new HashMap<>(10);
for (int i = 0; i < len0 + len1 + len2; i++) {
if (i < len0) {
index2enNameMap.put(i, equipmentAssetMap.get(row1.getCell(i).getStringCellValue()));
} else if (i < len0 + len1) {
index2enNameMap.put(i, equipmentInfoMap.get(row1.getCell(i).getStringCellValue()));
} else if (i < len0 + len1 + len2) {
index2enNameMap.put(i, equipmentExtMap.get(row1.getCell(i).getStringCellValue()));
}
}
// assetType
Map<String, String> assetTypeKey2ValMap = EquipmentUtils.convertFunc("assetType", true);
// equipmentType
Map<String, String> equipmentTypeKey2ValMap = EquipmentUtils.convertFunc("equipmentType", true);
// depart
Map<String, String> departKey2ValMap = EquipmentUtils.convertFunc("depart", true);
// installPosition
Map<String, String> installPositionKey2ValMap = EquipmentUtils.convertFunc("installPosition", true);
// 从第2行开始读取数据
for (int i = 2; i <= sheet.getLastRowNum(); i++) {
Row curRow = sheet.getRow(i);
EquipmentDTO equipmentDTO = new EquipmentDTO();
EquipmentAsset equipmentAsset = EquipmentAsset.class.newInstance();
EquipmentInfo equipmentInfo = EquipmentInfo.class.newInstance();
EquipmentExt equipmentExt = EquipmentExt.class.newInstance();
for (int j = 0; j < len0 + len1 + len2; j++) {
String enName = index2enNameMap.get(j);
Field field = null;
Object tmpObj = null;
if (j < len0) {
field = EquipmentAsset.class.getDeclaredField(enName);
tmpObj = equipmentAsset;
} else if (j < len0 + len1) {
field = EquipmentInfo.class.getDeclaredField(enName);
tmpObj = equipmentInfo;
} else if (j < len0 + len1 + len2) {
field = EquipmentExt.class.getDeclaredField(enName);
tmpObj = equipmentExt;
}
field.setAccessible(true);
if (field.getType() == Integer.class) {
try {
curRow.getCell(j).setCellType(Cell.CELL_TYPE_STRING);
String tmpVal = curRow.getCell(j).getStringCellValue();
if (!"".equals(tmpVal)) {
field.set(tmpObj, Integer.parseInt(tmpVal));
}
} catch (Exception e) {
throw new RuntimeException("第" + i + 1 + "行的第" + j + 1 + "的单元格数据应使用整数类型");
}
} else if (field.getName().contains("Date")) {
try {
//curRow.getCell(j).setCellType(Cell.CELL_TYPE_NUMERIC);
Date tmpVal = curRow.getCell(j).getDateCellValue();
String tmpValFormat = DateUtils.format(tmpVal, "yyyy-MM-dd");
if (!"".equals(tmpValFormat)) {
field.set(tmpObj, String.valueOf(tmpValFormat));
}
} catch (Exception e) {
throw new RuntimeException("第" + i + 1 + "行的第" + j + 1 + "的单元格数据应使用年月日期类型");
}
}else {
if (curRow.getCell(j) != null) {
try {
// 转换成String类型格式
curRow.getCell(j).setCellType(Cell.CELL_TYPE_STRING);
field.set(tmpObj, curRow.getCell(j).getStringCellValue());
} catch (Exception e) {
throw new RuntimeException("第" + i + 1+"行的第" + j + 1+"的单元格数据应使用字符类型");
}
}
}
field.setAccessible(false);
}
// 资产类型 zhName => enName
equipmentAsset.setAssetType("" + assetTypeKey2ValMap.getOrDefault(equipmentAsset.getAssetType(), ""));
// 货主组织 zhName => enName
equipmentInfo.setDepartId("" + departKey2ValMap.getOrDefault(equipmentInfo.getDepartId(), ""));
// 设备类型 zhName => enName
equipmentInfo.setEquipmentType("" + equipmentTypeKey2ValMap.getOrDefault(equipmentInfo.getEquipmentType(), ""));
// 安装位置 zhName => enName
equipmentInfo.setInstallPosition("" + installPositionKey2ValMap.getOrDefault(equipmentInfo.getInstallPosition(), ""));
equipmentDTO.setEquipmentAsset(equipmentAsset);
equipmentDTO.setEquipmentInfo(equipmentInfo);
//equipmentDTO.setEquipmentExt(equipmentExt);
equipmentDTOList.add(equipmentDTO);
}
return equipmentDTOList;
}
/**
* 判断上传的excel文件版本（xls为2003，xlsx为2017）
*
* @param fileName 文件路径
* @return excel2007及以上版本返回true，excel2007以下版本返回false
*/
public static boolean judgeExcelEdition(String fileName) {
return !fileName.matches("^.+\\.(?i)(xls)$");
}
}