永康电子商务网站建设,弹幕网站怎么做,网页设计学科门类是啥,网站建设市场数据分析在使用easyexcel解析excel文件的时候#xff0c;存在某列横跨多行#xff0c;那么存在解析出的对象的某些属性是没有值的#xff0c;那么我们要怎么处理呢#xff1f;代码如下
定义实体对应excel文件 public class EtcParkingReconciliationDailyImportModel implements S…在使用easyexcel解析excel文件的时候存在某列横跨多行那么存在解析出的对象的某些属性是没有值的那么我们要怎么处理呢代码如下
定义实体对应excel文件 public class EtcParkingReconciliationDailyImportModel implements Serializable {/** 创建时间 */private String insertTime LocalDateTime.now().toString();/** 名称 */ExcelProperty(index 0)private String name;/** 清分交易 */ExcelProperty(index 2)private String clearingTransaction;/** 正常交易 */ExcelProperty(index 3)private String normalTransaction;/** 确认记账交易 */ExcelProperty(index 4)private String acknowledgeTransactions;/** 确认不记账交易 */ExcelProperty(index 5)private String confirmUntransactions;ExcelProperty(index 1)private String projectName;/*** 解析清分时间*/private String fillingTime;public String getProjectName() {return projectName;}public void setProjectName(String projectName) {this.projectName projectName;}public String getFillingTime() {return fillingTime;}public void setFillingTime(String fillingTime) {this.fillingTime fillingTime;}public EtcParkingReconciliationDailyImportModel() {}// Getter and Setter methods for insertTimepublic String getInsertTime() {return insertTime;}public void setInsertTime(String insertTime) {this.insertTime insertTime;}public String getName() {return name;}public void setName(String name) {this.name name;}public String getClearingTransaction() {return clearingTransaction;}public void setClearingTransaction(String clearingTransaction) {this.clearingTransaction clearingTransaction;}public String getNormalTransaction() {return normalTransaction;}public void setNormalTransaction(String normalTransaction) {this.normalTransaction normalTransaction;}public String getAcknowledgeTransactions() {return acknowledgeTransactions;}public void setAcknowledgeTransactions(String acknowledgeTransactions) {this.acknowledgeTransactions acknowledgeTransactions;}public String getConfirmUntransactions() {return confirmUntransactions;}public void setConfirmUntransactions(String confirmUntransactions) {this.confirmUntransactions confirmUntransactions;}}创建Listener
public class EtcParkingReconciliationDailyExcelListener extends AnalysisEventListenerEtcParkingReconciliationDailyImportModel {// 数据接收ListEtcParkingReconciliationDailyImportModel dataList Lists.newArrayList();// 头行数量int headNum 1;ListString temp new ArrayListString();Overridepublic void doAfterAllAnalysed(AnalysisContext arg0) {logger.info(EXCEL解析完成共有数据:{}, dataList.size());}Overridepublic void invoke(EtcParkingReconciliationDailyImportModel model, AnalysisContext context) {// 业务处理}public ListEtcParkingReconciliationDailyImportModel getDataList() {return dataList;}// 重点是这个获取跨列行的数据记录后面在反射的时候会用到private ListCellExtra cellExtraList new ArrayList();Overridepublic void extra(CellExtra extra, AnalysisContext context) {CellExtraTypeEnum type extra.getType();switch (type) {case MERGE: {if (extra.getRowIndex() headNum ) {cellExtraList.add(extra);}break;}default:{}}}public ListCellExtra getCellExtraList() {return cellExtraList;}定义方法解析跨列行的数据
/**
* excelDataList excel 解析出的数据
* cellExtraList 解析得到的跨行的数据
* headRowNum 头行数
*/private static void mergeExcelData(ListEtcParkingReconciliationDailyImportModel excelDataList, ListCellExtra cellExtraList, int headRowNum) {cellExtraList.forEach(cellExtra - {int firstRowIndex cellExtra.getFirstRowIndex() - headRowNum;int lastRowIndex cellExtra.getLastRowIndex() - headRowNum;int firstColumnIndex cellExtra.getFirstColumnIndex();int lastColumnIndex cellExtra.getLastColumnIndex();//获取初始值Object initValue getInitValueFromList(firstRowIndex, firstColumnIndex, excelDataList);//设置值for (int i firstRowIndex; i lastRowIndex; i) {for (int j firstColumnIndex; j lastColumnIndex; j) {setInitValueToList(initValue, i, j, excelDataList);}}});}private static void setInitValueToList(Object filedValue, Integer rowIndex, Integer columnIndex, List data) {EtcParkingReconciliationDailyImportModel object (EtcParkingReconciliationDailyImportModel) data.get(rowIndex);for (Field field : object.getClass().getDeclaredFields()) {field.setAccessible(true);ExcelProperty annotation field.getAnnotation(ExcelProperty.class);if (annotation ! null) {if (annotation.index() columnIndex) {try {field.set(object, filedValue);break;} catch (IllegalAccessException e) {e.printStackTrace();}}}}}private static Object getInitValueFromList(Integer firstRowIndex, Integer firstColumnIndex, List data) {Object filedValue null;EtcParkingReconciliationDailyImportModel object (EtcParkingReconciliationDailyImportModel) data.get(firstRowIndex);for (Field field : object.getClass().getDeclaredFields()) {field.setAccessible(true);ExcelProperty annotation field.getAnnotation(ExcelProperty.class);if (annotation ! null) {if (annotation.index() firstColumnIndex) {try {filedValue field.get(object);break;} catch (IllegalAccessException e) {e.printStackTrace();}}}}return filedValue;}调用代码
// 根据自己的业务修改代码
File file new File();EtcParkingReconciliationDailyExcelListener listener new EtcParkingReconciliationDailyExcelListener();EasyExcel.read(file, EtcParkingReconciliationDailyImportModel.class, listener)// 重点需要添加CellExtraTypeEnum.MERGE.extraRead(CellExtraTypeEnum.MERGE).sheet().headRowNumber(1).doRead();ListEtcParkingReconciliationDailyImportModel dataList listener.getDataList();// 调用mergeExcelData(dataList,listener.getCellExtraList(),3);dataList.forEach(System.out::println);
