效果图：

package excel;

import com.alibaba.fastjson.JSONArray;

import com.alibaba.fastjson.JSONObject;

import org.apache.poi.ss.usermodel.Cell;

import org.apache.poi.ss.usermodel.Row;

import org.apache.poi.xssf.usermodel.XSSFSheet;

import org.apache.poi.xssf.usermodel.XSSFWorkbook;

import java.util.List;

import java.util.Objects;

public class OperateExcel {

/**

* 创建WorkBook对象

* @param list 合并后的list集合

* @param labels 标签数组(文件第一行)

* @param title 左右语句类型数组(文件第一行)

* @return HSSFWorkbook对象

*/

public XSSFWorkbook getWorkBook(List list, JSONArray labels, JSONArray title) {

XSSFWorkbook xwk = new XSSFWorkbook();

XSSFSheet xssfSheet = xwk.createSheet("导出结果");

//√符号

int[] code = {0x2611};

//创建表头

Integer initLabel = 3;

createHeader(xssfSheet,labels,title,initLabel);

JSONObject oneRow;

int j = 0;

int size = list.size();

for (j = 0; j < size; j++) {

oneRow = list.get(j);

// 创建内容行：从第二行开始，跳过属性列

createContent(labels, xssfSheet, oneRow, j,initLabel,code);

oneRow = null;

}

return xwk;

}

/**

* 创建表头

* @param xssfSheet 工作薄

*/

private void createHeader(XSSFSheet xssfSheet,JSONArray labels,JSONArray title,Integer initLabel) {

Row rowIndex = xssfSheet.createRow(0);

Cell first = rowIndex.createCell(0);

first.setCellValue("序号");

if(title != null && title.size() != 0){

Cell second = rowIndex.createCell(1);

second.setCellValue(title.get(0).toString());

Cell third = rowIndex.createCell(2);

third.setCellValue(title.get(1).toString());

}

if(labels != null && labels.size() != 0){

for(Object obj : labels){

JSONObject newVo = (JSONObject) obj;

Cell fourAddCellIndex = rowIndex.createCell(initLabel++);

fourAddCellIndex.setCellValue(newVo.getString("name"));

}

}

xssfSheet.createFreezePane( 0, 1, 0, 1 );

}

/**

* 创建内容行：从第二行开始，跳过属性列

* @param labels 标签数组

* @param xssfSheet 工作薄

* @param oneRow 行对象内容

* @param j 列索引

*/

private void createContent(JSONArray labels, XSSFSheet xssfSheet, JSONObject oneRow, int j,Integer initLabel, int[] code) {

Row row = xssfSheet.createRow(j + 1);

//创建相对静态的内容，前三列为序号，左边语句，右边语句

createStaticContent(oneRow, j, row);

JSONArray signLabels = oneRow.getJSONArray("label");

//创建Label内容，在labels标签中的打√符号

createLabelContent(labels, row, initLabel, signLabels, code);

row = null;

signLabels = null;

}

/**

*创建Label内容，在labels标签中的打√符号

* @param labels 批次任务的标签

* @param row 行对象

* @param initLabelCell 前三列处理完成之后的列索引

* @param signLabels 一行所标记的label

* @param code √符号码。可扩展其他的符号

*/

private void createLabelContent(JSONArray labels, Row row, Integer initLabelCell, JSONArray signLabels, int[] code) {

JSONObject label;

String value;

if(signLabels != null && signLabels.size() != 0){

int i=0;

int size = labels.size();

for(i=0;i

label = (JSONObject) labels.get(i);

for (Object signLabel : signLabels) {

value = (String) signLabel;

if (value.equals(label.getString("value"))) {

Cell fourAddCell = row.createCell(initLabelCell + i);

fourAddCell.setCellValue(new String(code, 0, 1));

break;

}

}

}

}

value = null;

label = null;

}

/**

*创建相对静态的内容，前三列为序号，左边语句，右边语句

* @param oneRow 要写入Excel行对象的一行内容

* @param j Excel行号

* @param row Excel行对象

* @return 返回第四列索引

*/

private void createStaticContent(JSONObject oneRow, int j, Row row) {

Cell first = row.createCell(0);

first.setCellValue(j + 1);

Cell second = row.createCell(1);

second.setCellValue(Objects.nonNull(oneRow)?oneRow.getString("sentenceL"):"");

Cell third = row.createCell(2);

third.setCellValue(Objects.nonNull(oneRow)?oneRow.getString("sentenceR"):"");

//return 3;

}

}

StringEx工具类 newUUID方法

public static final String newUUID() {

return UUID.randomUUID().toString().replace("-", "").toUpperCase();

}

测试类

package excel;

import com.alibaba.fastjson.JSONArray;

import com.alibaba.fastjson.JSONObject;

import org.apache.poi.xssf.usermodel.XSSFWorkbook;

import utils.StringEx;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.OutputStream;

import java.util.List;

public class App {

public static void main(String[] args){

//获取title

String titleStr = "[\"中文\",\"英文\"]";

JSONArray title = JSONArray.parseArray(titleStr);

//获取labels总数 [{"name":"古风","id":"1"},{"name":"仙女","id":"2"},{"name":"流氓","id":"3"}]

String labelsStr = "[{\"name\":\"古风\",\"value\":\"古风\"},{\"name\":\"仙女\",\"value\":\"仙女\"},{\"name\":\"流氓\",\"value\":\"流氓\"}]";

JSONArray labels = JSONArray.parseArray(labelsStr);

//[{"sentenceL":"李白乘舟将欲行","sentenceR":"Libai chengzhou jiangyu xing",label:["古风","仙女"]},{"sentenceL":"李白乘舟将欲行","sentenceR":"Libai chengzhou jiangyu xing",label:["仙女","流氓"]},{"sentenceL":"李白乘舟将欲行","sentenceR":"Libai chengzhou jiangyu xing",label:["古风","流氓"]}]

String listStr = "[{\"sentenceL\":\"李白乘舟将欲行\",\"sentenceR\":\"Libai chengzhou jiangyu xing\",label:[\"古风\",\"仙女\"]},{\"sentenceL\":\"李白乘舟将欲行\",\"sentenceR\":\"Libai chengzhou jiangyu xing\",label:[\"仙女\",\"流氓\"]},{\"sentenceL\":\"李白乘舟将欲行\",\"sentenceR\":\"Libai chengzhou jiangyu xing\",label:[\"古风\",\"流氓\"]}]";

List convertList = JSONArray.parseArray(listStr,JSONObject.class);

OperateExcel operateExcel = new OperateExcel();

XSSFWorkbook sb;

OutputStream out = null;

String path = App.class.getProtectionDomain().getCodeSource().getLocation().getPath() + File.separator+"excel" + File.separator;

try{

//合并后的结果写入到worbook对象中

sb = operateExcel.getWorkBook(convertList,labels,title);

//将workBook对象写入到字节数组中

out = new FileOutputStream(path + StringEx.newUUID() + ".xlsx");

sb.write(out);

}catch(Exception e){

e.printStackTrace();

}finally{

try {

if(out != null){

out.flush();

out.close();

}

} catch (IOException e) {

e.printStackTrace();

}

}

}

}

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