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com.mg.common.metadata.service.TemplateExportServiceImpl Maven / Gradle / Ivy
package com.mg.common.metadata.service;
import com.mg.common.metadata.vo.MObjectExportVo;
import com.mg.common.metadata.util.MetaDataUtils;
import com.mg.framework.entity.metadata.MEnumEntity;
import com.mg.framework.entity.metadata.MObjectEntity;
import com.mg.framework.entity.metadata.MirrorPropertyEntity;
import com.mg.framework.entity.metadata.MControllerTypeEnum;
import com.mg.framework.sys.PropertyConfigurer;
import net.sf.jxls.exception.ParsePropertyException;
import net.sf.jxls.transformer.XLSTransformer;
import org.apache.commons.lang3.StringUtils;
import org.apache.poi.hssf.usermodel.HSSFClientAnchor;
import org.apache.poi.hssf.usermodel.HSSFPatriarch;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.ss.usermodel.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.*;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* 模板类数据导出
* Created by liukefu on 2016/4/21.
*/
@Service
public class TemplateExportServiceImpl implements TemplateExportService {
@Autowired
MetaDataQueryService metaDataQueryService;
@Autowired
MetaDataService metaDataService;
@Autowired
MEnumService mEnumService;
/**
* 根据模板生成Excel文件.
*
* @param templateFileName
* @param beanParams
* @param resultFileName
*/
public String createExcel(String templateFileName, Map beanParams, String resultFileName) {
//创建XLSTransformer对象
XLSTransformer transformer = new XLSTransformer();
try {
//生成Excel文件
transformer.transformXLS(templateFileName, beanParams, resultFileName);
} catch (ParsePropertyException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (InvalidFormatException e) {
e.printStackTrace();
}
return resultFileName;
}
public String createExcel(MObjectEntity mObjectEntity, List ids, String templatePath) {
File file = createFile();
InputStream is = null;
OutputStream os = null;
try {
//所有的数据
List> list = new ArrayList<>();
//所有的sheet
List listSheetNames = new ArrayList<>();
//所有的图片
List picturesList = new ArrayList<>();
MObjectExportVo exportVo = getMetaDataInfo(templatePath, mObjectEntity);
List propertyList = exportVo.getPropertyList();
for (String id : ids) {
if(StringUtils.isBlank(id) || id.equalsIgnoreCase("null")){
continue;
}
Map dataMap = metaDataService.queryById(mObjectEntity.getId(), id, propertyList);
list.add(dataMap);
//sheet name
String name = (String) dataMap.get(MetaDataUtils.META_FIELD_NAME);
listSheetNames.add(name);
//头像特殊处理
if(exportVo.getPictureProperty()!=null){
String picturePath = (String) dataMap.get(exportVo.getPictureProperty().getPropertyPath());
picturesList.add(picturePath);
}
//转化枚举类型
transformerToDisplay(propertyList,dataMap);
//结构化属性
String mainObjectId = (String) dataMap.get(MetaDataUtils.META_FIELD_ID);
for (MirrorPropertyEntity propertyEntity : exportVo.getStructList()) {
if (propertyEntity.getControllerType() == MControllerTypeEnum.subType) {
List> subList = metaDataService.queryStructsByMetaData(propertyEntity, mainObjectId);
dataMap.put(propertyEntity.getPropertyPath(), subList);
//转化枚举类型
transformerToDisplay(propertyEntity,subList);
}
}
}
XLSTransformer transformer = new XLSTransformer();
is = new FileInputStream(templatePath);
HSSFWorkbook workBook = (HSSFWorkbook) transformer.transformMultipleSheetsList(is, list, listSheetNames, "obj", new HashMap(), 0);
//创建头像
createPicture(workBook,exportVo,picturesList);
//wb.write(new FileOutputStream(file));
os = new FileOutputStream(file); //导出文件流
workBook.write(os); //写导出文件
os.flush();
} catch (Exception e) {
e.printStackTrace();
}finally {
if(is!=null){
try {
is.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if(os!=null){
try {
os.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return file.getName();
}
private void transformerToDisplay(List propertyList, Map dataMap) {
for (MirrorPropertyEntity propertyEntity : propertyList) {
if (propertyEntity.getControllerType() == MControllerTypeEnum.mEnum
&& StringUtils.isNotBlank(propertyEntity.getEnumName())) {
List temList = mEnumService.findByEnumName(propertyEntity.getEnumName());
String value = String.valueOf(dataMap.get(propertyEntity.getPropertyPath()));
for (MEnumEntity enumEntity : temList) {
if (enumEntity.getKey().equals(value)) {
dataMap.put(propertyEntity.getPropertyPath(), enumEntity.getName());
break;
}
}
} else if (propertyEntity.getControllerType() == MControllerTypeEnum.object) {
String value = String.valueOf(dataMap.get(MetaDataUtils.getNamePropertyPath(propertyEntity)));
if(StringUtils.isNotBlank(value)){
dataMap.put(propertyEntity.getPropertyPath(), value);
}
} else if (propertyEntity.getControllerType() == MControllerTypeEnum.bool) {
String value = String.valueOf(dataMap.get(propertyEntity.getPropertyPath()));
if ("1".equals(value) || "true".equals(value)) {
dataMap.put(propertyEntity.getPropertyPath(), "是");
} else {
dataMap.put(propertyEntity.getPropertyPath(), "否");
}
} else if (propertyEntity.getControllerType() == MControllerTypeEnum.date) {
Date value = (Date)dataMap.get(propertyEntity.getPropertyPath());
if(value!=null){
String dateStr = com.mg.common.utils.DateUtil.convertDateToString(value);
dataMap.put(propertyEntity.getPropertyPath(), dateStr);
}
} else if (StringUtils.equals(MetaDataUtils.META_FIELD_STATUS, propertyEntity.getPropertyPath())) {
String value = String.valueOf(dataMap.get(propertyEntity.getPropertyPath()));
if ("1".equals(value)) {
dataMap.put(propertyEntity.getPropertyPath(), "有效");
} else {
dataMap.put(propertyEntity.getPropertyPath(), "无效");
}
}
}
}
private void transformerToDisplay(MirrorPropertyEntity propertyEntity, List> subList) {
List propertyList = metaDataQueryService.findMPropertyByBelongMObject(propertyEntity.getMetaProperty().getMetaObject());
for(Map map:subList){
transformerToDisplay(propertyList,map);
}
}
private MObjectExportVo getMetaDataInfo(String templatePath, MObjectEntity mObjectEntity) {
InputStream is = null;
MObjectExportVo exportVo = new MObjectExportVo();
try {
is = new FileInputStream(templatePath);
HSSFWorkbook wb = new HSSFWorkbook(is);
HSSFSheet sheet = wb.getSheetAt(0);
if (sheet != null) {
int rowNum = sheet.getFirstRowNum();
while (rowNum <= sheet.getLastRowNum()) {
Row row = sheet.getRow(rowNum);
if (row == null) {
++rowNum;
continue;
}
for (Cell cell : row) {
if (cell == null) {
continue;
}
String value = cell.getStringCellValue();
List matcherList = getExpress(value);
for(String property:matcherList){
if (StringUtils.isNotBlank(property)) {
String[] arr = property.split("\\.");
property = arr[arr.length-1];
MirrorPropertyEntity mProperty = metaDataQueryService.findMPropertyByBelongMObjectAndFieldName(mObjectEntity,mObjectEntity, property);
if (mProperty != null && mProperty.getControllerType() == MControllerTypeEnum.subType) {
exportVo.getStructList().add(mProperty);
}
if (mProperty != null && mProperty.getControllerType() == MControllerTypeEnum.headPortrait) {
exportVo.getPropertyList().add(mProperty);
//头像特殊处理 图片固定大小: 2 × 4
exportVo.setStartCol(cell.getColumnIndex());
exportVo.setStartRow(cell.getRowIndex());
exportVo.setEndCol(cell.getColumnIndex() + 2);
exportVo.setEndRow(cell.getRowIndex() + 4);
exportVo.setPictureProperty(mProperty);
cell.setCellValue(" ");
} else if (mProperty != null){
exportVo.getPropertyList().add(mProperty);
}
}
}
}
++rowNum;
}
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}finally {
if(is!=null){
try {
is.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return exportVo;
}
/**
* 获取jxls表达式内容
* 不是表达式,则返回null
*
* @param value
* @return
*/
private List getExpress(String value) {
Pattern pattern = Pattern.compile("\\{(.*?)\\}");
Matcher matcher = pattern.matcher(value);
List matcherList = new ArrayList<>();
while (matcher.find()) {
matcherList.add(matcher.group(1));
}
return matcherList;
}
private void createPicture(HSSFWorkbook workBook,MObjectExportVo exportVo,List picturesList) throws IOException {
for (int i = 0; i < picturesList.size(); i++) {
HSSFSheet sheet = workBook.getSheetAt(i);
if(StringUtils.isBlank(picturesList.get(i))){
continue;
}
//String picture = "C:\\jira\\person.png"; //要插入的图片,可为png、jpg格式
String picture = PropertyConfigurer.getContextProperty("temppath") + picturesList.get(i);
ByteArrayOutputStream bos = new ByteArrayOutputStream();
BufferedImage BufferImg = ImageIO.read(new File(picture));
ImageIO.write(BufferImg, "PNG", bos);
HSSFPatriarch patriarch = sheet.createDrawingPatriarch();//创建绘图工具对象
int col1 = exportVo.getStartCol(); //起始单元格列序号;
int row1 = exportVo.getStartRow(); //起始单元格行序号;
int col2 = exportVo.getEndCol(); //终止单元格列序号;
int row2 = exportVo.getEndRow(); //终止单元格行序号;
HSSFClientAnchor anchor = new HSSFClientAnchor(0, 0, 0, 0, (short) col1, row1, (short) col2, row2);
patriarch.createPicture(anchor, workBook.addPicture(bos.toByteArray(), workBook.PICTURE_TYPE_PNG));
}
}
/**
* 创建Excel文件
*
* @return: File Excel文件
*/
private File createFile() {
String fileName = "export" + System.currentTimeMillis() + ".xls";
String path = PropertyConfigurer.getContextProperty("temppath") + fileName;
File file = new File(path);
if (!file.exists()) {
file.getParentFile().mkdirs();
}
if (!file.exists()) {
try {
file.createNewFile();
} catch (IOException e) {
}
}
return file;
}
public static void main(String args[]) {
Pattern pattern = Pattern.compile("\\{(.*?)\\}");
Matcher matcher = pattern.matcher("${aaa}");
if (matcher.find()) {
System.out.println(matcher.group(1));
}
}
}