Browse Source

修改获取位置函数

pull/2077/head
Jiaju Zhuang 3 years ago
parent
commit
f679cb45f0
  1. 10
      src/main/java/com/alibaba/excel/analysis/v07/handlers/CountTagHandler.java
  2. 52
      src/main/java/com/alibaba/excel/util/PositionUtils.java
  3. 5
      src/test/java/com/alibaba/easyexcel/test/temp/poi/PoiTest.java

10
src/main/java/com/alibaba/excel/analysis/v07/handlers/CountTagHandler.java

@ -1,9 +1,10 @@
package com.alibaba.excel.analysis.v07.handlers; package com.alibaba.excel.analysis.v07.handlers;
import org.xml.sax.Attributes;
import com.alibaba.excel.constant.ExcelXmlConstants; import com.alibaba.excel.constant.ExcelXmlConstants;
import com.alibaba.excel.context.xlsx.XlsxReadContext; import com.alibaba.excel.context.xlsx.XlsxReadContext;
import com.alibaba.excel.util.PositionUtils;
import org.xml.sax.Attributes;
/** /**
* Cell Handler * Cell Handler
@ -15,9 +16,8 @@ public class CountTagHandler extends AbstractXlsxTagHandler {
@Override @Override
public void startElement(XlsxReadContext xlsxReadContext, String name, Attributes attributes) { public void startElement(XlsxReadContext xlsxReadContext, String name, Attributes attributes) {
String d = attributes.getValue(ExcelXmlConstants.ATTRIBUTE_REF); String d = attributes.getValue(ExcelXmlConstants.ATTRIBUTE_REF);
String totalStr = d.substring(d.indexOf(":") + 1, d.length()); String totalStr = d.substring(d.indexOf(":") + 1);
String c = totalStr.toUpperCase().replaceAll("[A-Z]", ""); xlsxReadContext.readSheetHolder().setApproximateTotalRowNumber(PositionUtils.getRow(totalStr) + 1);
xlsxReadContext.readSheetHolder().setApproximateTotalRowNumber(Integer.parseInt(c));
} }
} }

52
src/main/java/com/alibaba/excel/util/PositionUtils.java

@ -1,10 +1,20 @@
package com.alibaba.excel.util; package com.alibaba.excel.util;
import java.util.Locale;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.poi.ss.util.CellReference;
/** /**
* @author jipengfei * @author jipengfei
*/ */
public class PositionUtils { public class PositionUtils {
private static final Pattern CELL_REF_PATTERN = Pattern.compile("(\\$?[A-Z]+)?" + "(\\$?[0-9]+)?",
Pattern.CASE_INSENSITIVE);
private static final char SHEET_NAME_DELIMITER = '!';
private PositionUtils() {} private PositionUtils() {}
public static int getRowByRowTagt(String rowTagt) { public static int getRowByRowTagt(String rowTagt) {
@ -30,35 +40,37 @@ public class PositionUtils {
} }
public static int getRow(String currentCellIndex) { public static int getRow(String currentCellIndex) {
int row = 0;
if (currentCellIndex != null) {
String rowStr = currentCellIndex.replaceAll("[A-Z]", "").replaceAll("[a-z]", "");
row = Integer.parseInt(rowStr) - 1;
}
return row;
}
public static int getCol(String currentCellIndex) {
int col = 0;
if (currentCellIndex != null) { if (currentCellIndex != null) {
int plingPos = currentCellIndex.lastIndexOf(SHEET_NAME_DELIMITER);
char[] currentIndex = currentCellIndex.replaceAll("[0-9]", "").toCharArray(); String cell = currentCellIndex.substring(plingPos + 1).toUpperCase(Locale.ROOT);
for (int i = 0; i < currentIndex.length; i++) { Matcher matcher = CELL_REF_PATTERN.matcher(cell);
col += (currentIndex[i] - '@') * Math.pow(26, (currentIndex.length - i - 1)); if (!matcher.matches()) {
throw new IllegalArgumentException("Invalid CellReference: " + currentCellIndex);
} }
String row = matcher.group(2);
return Integer.parseInt(row) - 1;
} }
return col - 1; return -1;
} }
public static int getCol(String currentCellIndex, Integer before) { public static int getCol(String currentCellIndex, Integer before) {
int col = 0;
if (currentCellIndex != null) { if (currentCellIndex != null) {
int plingPos = currentCellIndex.lastIndexOf(SHEET_NAME_DELIMITER);
String cell = currentCellIndex.substring(plingPos + 1).toUpperCase(Locale.ROOT);
Matcher matcher = CELL_REF_PATTERN.matcher(cell);
if (!matcher.matches()) {
throw new IllegalArgumentException("Invalid CellReference: " + currentCellIndex);
}
String col = matcher.group(1);
char[] currentIndex = currentCellIndex.replaceAll("[0-9]", "").toCharArray(); if (col.length() > 0 && col.charAt(0) == '$') {
for (int i = 0; i < currentIndex.length; i++) { col = col.substring(1);
col += (currentIndex[i] - '@') * Math.pow(26, (currentIndex.length - i - 1)); }
if (col.length() == 0) {
return -1;
} else {
return CellReference.convertColStringToIndex(col);
} }
return col - 1;
} else { } else {
if (before == null) { if (before == null) {
before = -1; before = -1;

5
src/test/java/com/alibaba/easyexcel/test/temp/poi/PoiTest.java

@ -39,8 +39,10 @@ public class PoiTest {
SXSSFSheet xssfSheet = xssfWorkbook.getSheetAt(0); SXSSFSheet xssfSheet = xssfWorkbook.getSheetAt(0);
LOGGER.info("一共行数:{}", xssfSheet.getLastRowNum()); LOGGER.info("一共行数:{}", xssfSheet.getLastRowNum());
SXSSFRow row = xssfSheet.getRow(0); SXSSFRow row = xssfSheet.getRow(0);
LOGGER.info("dd{}",row.getCell(0).getColumnIndex());
Date date = row.getCell(1).getDateCellValue(); Date date = row.getCell(1).getDateCellValue();
} }
@Test @Test
@ -51,6 +53,9 @@ public class PoiTest {
XSSFSheet xssfSheet = xssfWorkbook.getSheetAt(0); XSSFSheet xssfSheet = xssfWorkbook.getSheetAt(0);
LOGGER.info("一共行数:{}", xssfSheet.getLastRowNum()); LOGGER.info("一共行数:{}", xssfSheet.getLastRowNum());
XSSFRow row = xssfSheet.getRow(0); XSSFRow row = xssfSheet.getRow(0);
LOGGER.info("dd{}",row.getCell(0).getRow().getRowNum());
LOGGER.info("dd{}",xssfSheet.getLastRowNum());
Date date = row.getCell(1).getDateCellValue(); Date date = row.getCell(1).getDateCellValue();
LOGGER.info("date{}",date); LOGGER.info("date{}",date);
} }

Loading…
Cancel
Save