添加easyexcel依赖，编写excel单元格合并测试代码，分析可行性
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pom.xml
21
pom.xml
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@ -1,4 +1,4 @@
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
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<!--指定了当前pom的版本，4.0.0是固定的 -->
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<modelVersion>4.0.0</modelVersion>
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@ -56,8 +56,8 @@
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<version>${lombok.version}</version>
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<scope>provided</scope>
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</dependency>
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<!-- 单元测试-->
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<dependency>
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<groupId>junit</groupId>
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@ -65,7 +65,20 @@
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<version>4.12</version>
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</dependency>
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<!-- easy excel -->
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<dependency>
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<groupId>com.alibaba</groupId>
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<artifactId>easyexcel</artifactId>
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<version>2.2.0-beta1</version>
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<exclusions>
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<exclusion>
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<groupId>org.slf4j</groupId>
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<artifactId>slf4j-api</artifactId>
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</exclusion>
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</exclusions>
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</dependency>
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</dependencies>
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@ -4,6 +4,14 @@ import aiyh.utils.httpUtil.HttpMultipartFile;
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import aiyh.utils.httpUtil.ResponeVo;
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import aiyh.utils.httpUtil.util.HttpUtils;
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import basetest.BaseTest;
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import com.alibaba.excel.EasyExcel;
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import com.alibaba.excel.ExcelWriter;
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import com.alibaba.excel.metadata.CellData;
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import com.alibaba.excel.metadata.Head;
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import com.alibaba.excel.write.handler.CellWriteHandler;
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import com.alibaba.excel.write.metadata.WriteSheet;
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import com.alibaba.excel.write.metadata.holder.WriteSheetHolder;
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import com.alibaba.excel.write.metadata.holder.WriteTableHolder;
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import com.alibaba.fastjson.JSON;
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import com.api.youhong.ai.pcn.organization.orgchart.service.OrgChartService;
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import com.api.youhong.ai.pcn.organization.orgchart.vo.OrgChartNodeVo;
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@ -14,6 +22,11 @@ import org.apache.http.Header;
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import org.apache.http.HeaderElement;
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import org.apache.http.HttpResponse;
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import org.apache.http.NameValuePair;
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import org.apache.poi.ss.usermodel.Cell;
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import org.apache.poi.ss.usermodel.CellType;
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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 org.apache.poi.ss.util.CellRangeAddress;
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import org.junit.Test;
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import weaver.conn.RecordSet;
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import weaver.formmode.interfaces.action.WorkflowToMode;
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@ -30,10 +43,7 @@ import weaver.youhong.ai.pcn.hrorganization.wesmat.model.Employee;
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import weaver.youhong.ai.pcn.hrorganization.wesmat.model.Position;
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import weaver.youhong.ai.pcn.hrorganization.wesmat.result.GetOrganizationResult;
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import java.io.BufferedReader;
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import java.io.FileNotFoundException;
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import java.io.FileReader;
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import java.io.IOException;
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import java.io.*;
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import java.util.*;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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@ -252,4 +262,189 @@ public class TestOrganization extends BaseTest {
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System.out.println(requestManager.getMessagecontent());
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System.out.println(execute);
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}
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@Test
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public void testEasyExcel() throws FileNotFoundException {
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String tempPath = "/Users/aoey.oct.22/company/Fan_wei/test_file/muban.xlsx";
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String filePath = "/Users/aoey.oct.22/company/Fan_wei/test_file/muban1.xlsx";
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FileOutputStream outputStream = new FileOutputStream(filePath);
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int[] mergeColumeIndex = {0, 1};
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int mergeRowIndex = 1;
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ExcelWriter excelWriter = EasyExcel.write(outputStream)
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.withTemplate(tempPath)
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.registerWriteHandler(new ExcelFillCellMergeStrategy(mergeRowIndex, mergeColumeIndex))
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.build();
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WriteSheet sheet = EasyExcel.writerSheet().build();
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excelWriter.fill(buildList(), sheet);
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excelWriter.finish();
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try {
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outputStream.close();
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} catch (IOException e) {
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}
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}
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public List<Map<String, Object>> buildList() {
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List<Map<String, Object>> list = new ArrayList<>();
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list.add(new HashMap<String, Object>() {{
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put("addr", "北京");
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put("kinds", "生活用品");
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put("price", 10);
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put("num", 80);
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}});
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list.add(new HashMap<String, Object>() {{
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put("addr", "北京");
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put("kinds", "生活用品");
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put("price", 10);
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put("num", 80);
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}});
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list.add(new HashMap<String, Object>() {{
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put("addr", "北京");
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put("kinds", "电子产品");
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put("price", 10);
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put("num", 80);
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}});
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list.add(new HashMap<String, Object>() {{
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put("addr", "北京");
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put("kinds", "电子产品");
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put("price", 10);
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put("num", 80);
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}});
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list.add(new HashMap<String, Object>() {{
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put("addr", "上海");
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put("kinds", "生活用品");
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put("price", 10);
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put("num", 80);
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}});
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list.add(new HashMap<String, Object>() {{
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put("addr", "上海");
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put("kinds", "生活用品");
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put("price", 10);
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put("num", 80);
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}});
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list.add(new HashMap<String, Object>() {{
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put("addr", "上海");
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put("kinds", "电子商品");
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put("price", 10);
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put("num", 80);
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}});
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list.add(new HashMap<String, Object>() {{
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put("addr", "云南");
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put("kinds", "生活用品");
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put("price", 10);
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put("num", 80);
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}});
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list.add(new HashMap<String, Object>() {{
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put("addr", "云南");
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put("kinds", "电子铲平");
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put("price", 10);
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put("num", 80);
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}});
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list.add(new HashMap<String, Object>() {{
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put("addr", "云南");
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put("kinds", "蘑菇");
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put("price", 10);
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put("num", 80);
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}});
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list.add(new HashMap<String, Object>() {{
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put("addr", "云南");
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put("kinds", "蘑菇");
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put("price", 10);
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put("num", 80);
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}});
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return list;
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}
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}
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class ExcelFillCellMergeStrategy implements CellWriteHandler {
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/** 需要进行单元格合并的列数组 **/
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private int[] mergeColumnIndex;
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/** 单元格合并从第几行开始 **/
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private int mergeRowIndex;
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public ExcelFillCellMergeStrategy() {}
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public ExcelFillCellMergeStrategy(int mergeRowIndex, int[] mergeColumnIndex) {
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this.mergeRowIndex = mergeRowIndex;
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this.mergeColumnIndex = mergeColumnIndex;
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}
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@Override
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public void beforeCellCreate(WriteSheetHolder writeSheetHolder, WriteTableHolder writeTableHolder, Row row, Head head, Integer integer, Integer integer1, Boolean aBoolean) {
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}
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@Override
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public void afterCellCreate(WriteSheetHolder writeSheetHolder, WriteTableHolder writeTableHolder, Cell cell, Head head, Integer integer, Boolean aBoolean) {
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}
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@Override
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public void afterCellDataConverted(WriteSheetHolder writeSheetHolder, WriteTableHolder writeTableHolder, CellData cellData, Cell cell, Head head, Integer integer, Boolean aBoolean) {
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}
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@Override
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public void afterCellDispose(WriteSheetHolder writeSheetHolder, WriteTableHolder writeTableHolder,
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List<CellData> list, Cell cell, Head head, Integer integer, Boolean isHead) {
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int curRowIndex = cell.getRowIndex();
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int curColIndex = cell.getColumnIndex();
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if (curRowIndex > mergeRowIndex) {
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for (int i = 0; i < mergeColumnIndex.length; i++) {
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if (curColIndex == mergeColumnIndex[i]) {
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mergeWithPrevRow(writeSheetHolder, cell, curRowIndex, curColIndex);
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break;
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}
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}
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}
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}
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/**
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* 当前单元格向上合并
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*
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* @param writeSheetHolder
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* @param cell 当前单元格
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* @param curRowIndex 当前行
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* @param curColIndex 当前列
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*/
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private void mergeWithPrevRow(WriteSheetHolder writeSheetHolder, Cell cell, int curRowIndex, int curColIndex) {
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Object curData =
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cell.getCellTypeEnum() == CellType.STRING ? cell.getStringCellValue() : cell.getNumericCellValue();
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Sheet sheet1 = cell.getSheet();
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Row row = sheet1.getRow(curRowIndex - 1);
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if (row == null) {
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row = sheet1.getRow(curRowIndex);
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}
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Cell preCell = row.getCell(curColIndex);
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Object preData =
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preCell.getCellTypeEnum() == CellType.STRING ? preCell.getStringCellValue() : preCell.getNumericCellValue();
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// 将当前单元格数据与上一个单元格数据比较
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Boolean dataBool = preData.equals(curData);
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if (dataBool) {
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Sheet sheet = writeSheetHolder.getSheet();
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List<CellRangeAddress> mergeRegions = sheet.getMergedRegions();
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boolean isMerged = false;
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for (int i = 0; i < mergeRegions.size() && !isMerged; i++) {
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CellRangeAddress cellRangeAddr = mergeRegions.get(i);
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// 若上一个单元格已经被合并，则先移出原有的合并单元，再重新添加合并单元
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if (cellRangeAddr.isInRange(curRowIndex - 1, curColIndex)) {
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sheet.removeMergedRegion(i);
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cellRangeAddr.setLastRow(curRowIndex);
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sheet.addMergedRegion(cellRangeAddr);
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isMerged = true;
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}
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}
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// 若上一个单元格未被合并，则新增合并单元
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if (!isMerged) {
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CellRangeAddress cellRangeAddress =
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new CellRangeAddress(curRowIndex - 1, curRowIndex, curColIndex, curColIndex);
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sheet.addMergedRegion(cellRangeAddress);
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}
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}
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}
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}
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