public HSSFWorkbook transformMultipleSheetsList(InputStream is, List objects, List newSheetNames, String beanName, Map beanParams, int startSheetNum) throws ParsePropertyException {HSSFWorkbook hssfWorkbook = null;try {if (beanParams != null && ((Map)beanParams).containsKey(beanName)) {throw new IllegalArgumentException("Selected bean name '" + beanName + "' already exists in the bean map");}if (beanName == null) {throw new IllegalArgumentException("Bean name must not be null");}if (beanParams == null) {beanParams = new HashMap();}POIFSFileSystem fs = new POIFSFileSystem(is);hssfWorkbook = new HSSFWorkbook(fs);for(int sheetNo = 0; sheetNo < hssfWorkbook.getNumberOfSheets(); ++sheetNo) {String spreadsheetName = hssfWorkbook.getSheetName(sheetNo);if (!this.isSpreadsheetToRemove(spreadsheetName)) {if (this.isSpreadsheetToRename(spreadsheetName)) {hssfWorkbook.setSheetName(sheetNo, this.getSpreadsheetToReName(spreadsheetName));}HSSFSheet hssfSheet = hssfWorkbook.getSheetAt(sheetNo);if (startSheetNum == sheetNo && objects != null && !objects.isEmpty()) {for(int i = 0; i < objects.size(); ++i) {Object bean = objects.get(i);String beanKey = beanName;if (i != 0) {beanKey = beanName + i;HSSFSheet newSheet = hssfWorkbook.createSheet((String)newSheetNames.get(i));Util.copySheets(newSheet, hssfSheet, beanName, beanKey);Util.copyPageSetup(newSheet, hssfSheet);Util.copyPrintSetup(newSheet, hssfSheet);} else {hssfWorkbook.setSheetName(sheetNo, (String)newSheetNames.get(i));}((Map)beanParams).put(beanKey, bean);//在此次将我们传入的list通过map的形式放入beanParams
                        }}} else {hssfWorkbook.removeSheetAt(sheetNo);--sheetNo;}}} catch (IOException var16) {var16.printStackTrace();}if (hssfWorkbook != null) {for(int i = 0; i < hssfWorkbook.getNumberOfSheets(); ++i) {Util.setPrintArea(hssfWorkbook, i);}}this.transformWorkbook(hssfWorkbook, (Map)beanParams);//通过模板和beanParams生产excelreturn hssfWorkbook;}

public class ExcelPrintDomain implements Serializable {private List lista = new ArrayList();private Object domaina;private ServletContext context;private int pageNo;public ExcelPrintDomain() {}public ExcelPrintDomain(ServletContext context) {this.context = context;}public void addDomain(Object obj) {this.domains.add(obj);}public void addLista(Object obj) {this.lista.add(obj);}public int getPageNo() {return this.pageNo;}public void setPageNo(int pageNo) {this.pageNo = pageNo;}public List getLista() {return this.lista;}public void setLista(List lista) {this.lista = lista;}public Object getDomaina() {return this.domaina;}public void setDomaina(Object domaina) {this.domaina = domaina;}
}