86 lines
3.1 KiB
Java
86 lines
3.1 KiB
Java
package com.zhgd.xmgl.util;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.poi.hssf.usermodel.HSSFWorkbook;
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import org.apache.poi.ss.usermodel.Row;
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import org.apache.poi.ss.usermodel.Sheet;
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import java.io.InputStream;
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import java.util.ArrayList;
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import java.util.LinkedHashMap;
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import java.util.List;
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import java.util.Map;
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/**
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* @program: wisdomSite
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* @description:
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* @author: Mr.Peng
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* @create: 2022-06-06 16:11
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**/
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@Slf4j
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public class ReadExcelUtils {
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public static List<Map<String, String>> jxlExlToList(InputStream is, int index) throws Exception {
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HSSFWorkbook book = null;
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List<Map<String, String>> list = null;
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String companyId = null;
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//Map<String,Object> map=new HashMap<>();
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try {
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book = new HSSFWorkbook(is);// 创建一个新的写入工作簿
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Sheet sheet = book.getSheetAt(0);
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//int totalRows = sheet.getLastRowNum();
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int totalRows = sheet.getPhysicalNumberOfRows();
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//int totalColumns = sheet.getColumns();
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Row xssfRow = sheet.getRow(index);
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int totalColumns = xssfRow.getLastCellNum();
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if (totalColumns <= 0) {
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return null;
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}
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//读取指定行作为Map中的key
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List<String> tableHeaderlist = new ArrayList<>();
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for (int i = 0; i < totalColumns; i++) {
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String value = ExcelUtils.getCellValue(sheet, xssfRow.getCell(i));
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if (tableHeaderlist.contains(value)) {
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value = value + "(1)";
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}
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if (StringUtils.isNotEmpty(value)) {
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value = value.replaceAll("[\\t\\n\\r]", "");
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}
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tableHeaderlist.add(value);
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}
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//将指定行后面每一行存为Map集合，然后存为list
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list = new ArrayList<>();
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Map<String, String> rowData = new LinkedHashMap<>();
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int start = 1 + index;
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for (int i = start; i < totalRows; i++) {
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xssfRow = sheet.getRow(i);
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rowData = new LinkedHashMap<>(totalColumns);
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for (int j = 0; j < xssfRow.getLastCellNum(); j++) {
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if (j < totalColumns) {
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if (StringUtils.isNotEmpty(tableHeaderlist.get(j).toString())) {
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if (xssfRow.getCell(j) != null) {
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String value = ExcelUtils.getCellValue(sheet, xssfRow.getCell(j));
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rowData.put(tableHeaderlist.get(j).toString(), value);
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} else {
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rowData.put(tableHeaderlist.get(j).toString(), "");
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}
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}
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}
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}
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if (rowData.size() > 0) {
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list.add(rowData);
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}
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}
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log.info("工作簿读取数据成功！");
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} catch (Exception e) {
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log.error("error：", e);
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}
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return list;
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}
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}
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