EasyExcel JSON数据多级表头导出
2024-04-17 22:26:08
最近在学习使用easyExcel，刚好看到有人问了个问题
代码解决如下
package com.wwj.test.web.uitl;import com.alibaba.excel.EasyExcel;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;import java.util.ArrayList;
import java.util.List;/*** @author: wuwenjun* @since 2022-06-07*/
public class ReadJson {public static void main(String[] args) {String data = getDataString();JSONObject jsonObject = JSONObject.parseObject(data);//读取JSONObject jsonObject1 = jsonObject.getJSONObject("data");JSONArray jsonArray = jsonObject1.getJSONArray("headerNodes");List<JsonData> list = jsonArray.toJavaList(JsonData.class);String fileName = "C:\\Users\\win10\\Desktop\\write" + System.currentTimeMillis() + ".xlsx";// 这里 需要指定写用哪个class去读，然后写到第一个sheet，名字为模板 然后文件流会自动关闭// 如果这里想使用03 则 传入excelType参数即可EasyExcel.write(fileName).head(head(list)).sheet("模板").doWrite(data());}private static List<List<String>> head(List<JsonData> data) {List<List<String>> result = new ArrayList<>();List<String> temp = new ArrayList<>();// 深度优先搜索 使用递归for (JsonData jsonData : data) {dfs(result, jsonData, temp);}return result;}private static void dfs(List<List<String>> result, JsonData jsonData, List<String> temp) {List<JsonData> datas = jsonData.getChildren();temp.add(jsonData.getName());if (CollectionUtils.isEmpty(datas)) {//看似浅复制，其实是深复制List<String> head = new ArrayList<>(temp);result.add(head);} else {for (JsonData data : datas) {dfs(result, data, temp);}}// 移除最后一个temp.remove(temp.size() - 1);}private static List<List<String>> data() {return new ArrayList<>();}static class JsonData {private String code;private List<JsonData> children;private String parentCode;private String name;public void setCode(String code) {this.code = code;}public void setChildren(List<JsonData> children) {this.children = children;}public void setParentCode(String parentCode) {this.parentCode = parentCode;}public void setName(String name) {this.name = name;}public String getCode() {return code;}public List<JsonData> getChildren() {return children;}public String getParentCode() {return parentCode;}public String getName() {return name;}}private static String getDataString() {return "{\n" +" \"code\":200,\n" +" \"data\":{\n" +" \"headerNodes\":[\n" +" {\n" +" \"children\":[\n" +" {\n" +" \"code\":\"salesRegionName\",\n" +" \"name\":\"大区\",\n" +" \"parentCode\":\"-1\"\n" +" },\n" +" {\n" +" \"code\":\"cityName\",\n" +" \"name\":\"城市\",\n" +" \"parentCode\":\"-1\"\n" +" },\n" +" {\n" +" \"code\":\"salesModelDesc\",\n" +" \"name\":\"门店模式\",\n" +" \"parentCode\":\"-1\"\n" +" },\n" +" {\n" +" \"code\":\"terminalNo\",\n" +" \"name\":\"门店编码\",\n" +" \"parentCode\":\"-1\"\n" +" },\n" +" {\n" +" \"code\":\"terminalName\",\n" +" \"name\":\"门店名称\",\n" +" \"parentCode\":\"-1\"\n" +" }\n" +" ],\n" +" \"code\":\"-1\",\n" +" \"name\":\"终端信息\"\n" +" },\n" +" {\n" +" \"children\":[\n" +" {\n" +" \"children\":[\n" +" {\n" +" \"code\":\"LSE0001\",\n" +" \"name\":\"前台零售额\",\n" +" \"parentCode\":\"JY\"\n" +" },\n" +" {\n" +" \"code\":\"SRA0001\",\n" +" \"name\":\"销售收入(含税)\",\n" +" \"parentCode\":\"JY\"\n" +" },\n" +" {\n" +" \"code\":\"TAX0001\",\n" +" \"name\":\"不含税扣点\",\n" +" \"parentCode\":\"JY\"\n" +" },\n" +" {\n" +" \"code\":\"SRB0001\",\n" +" \"name\":\"销售收入\",\n" +" \"parentCode\":\"JY\"\n" +" },\n" +" {\n" +" \"code\":\"FLE0001\",\n" +" \"name\":\"返利\",\n" +" \"parentCode\":\"JY\"\n" +" },\n" +" {\n" +" \"code\":\"JSR0001\",\n" +" \"name\":\"净收入\",\n" +" \"parentCode\":\"JY\"\n" +" },\n" +" {\n" +" \"code\":\"CBE0001\",\n" +" \"name\":\"成本\",\n" +" \"parentCode\":\"JY\"\n" +" },\n" +" {\n" +" \"code\":\"MLL0001\",\n" +" \"name\":\"毛利额\",\n" +" \"parentCode\":\"JY\"\n" +" },\n" +" {\n" +" \"code\":\"LRA0001\",\n" +" \"name\":\"利润\",\n" +" \"parentCode\":\"JY\"\n" +" },\n" +" {\n" +" \"code\":\"LRC0001\",\n" +" \"name\":\"直接利润\",\n" +" \"parentCode\":\"JY\"\n" +" },\n" +" {\n" +" \"code\":\"LRB0001\",\n" +" \"name\":\"净利润\",\n" +" \"parentCode\":\"JY\"\n" +" }\n" +" ],\n" +" \"code\":\"JY\",\n" +" \"name\":\"经营收入\",\n" +" \"parentCode\":\"STORE\"\n" +" },\n" +" {\n" +" \"children\":[\n" +" {\n" +" \"code\":\"RYF0001\",\n" +" \"name\":\"固定薪资\",\n" +" \"parentCode\":\"RYF\"\n" +" },\n" +" {\n" +" \"code\":\"RYF0002\",\n" +" \"name\":\"绩效工资\",\n" +" \"parentCode\":\"RYF\"\n" +" },\n" +" {\n" +" \"code\":\"RYF0003\",\n" +" \"name\":\"星级补贴\",\n" +" \"parentCode\":\"RYF\"\n" +" },\n" +" {\n" +" \"code\":\"RYF0004\",\n" +" \"name\":\"社保\",\n" +" \"parentCode\":\"RYF\"\n" +" },\n" +" {\n" +" \"code\":\"RYF0005\",\n" +" \"name\":\"公积金\",\n" +" \"parentCode\":\"RYF\"\n" +" },\n" +" {\n" +" \"code\":\"RYF0006\",\n" +" \"name\":\"其他\",\n" +" \"parentCode\":\"RYF\"\n" +" },\n" +" {\n" +" \"code\":\"RYF0007\",\n" +" \"name\":\"导购员常规提成\",\n" +" \"parentCode\":\"RYF\"\n" +" },\n" +" {\n" +" \"code\":\"RYF0000\",\n" +" \"name\":\"促销人员费合计\",\n" +" \"parentCode\":\"RYF\"\n" +" }\n" +" ],\n" +" \"code\":\"RYF\",\n" +" \"name\":\"促销人员\",\n" +" \"parentCode\":\"STORE\"\n" +" },\n" +" {\n" +" \"children\":[\n" +" {\n" +" \"code\":\"JCF0001\",\n" +" \"name\":\"进场费\",\n" +" \"parentCode\":\"JCF\"\n" +" },\n" +" {\n" +" \"code\":\"JCF0000\",\n" +" \"name\":\"进场费合计\",\n" +" \"parentCode\":\"JCF\"\n" +" }\n" +" ],\n" +" \"code\":\"JCF\",\n" +" \"name\":\"进场费用\",\n" +" \"parentCode\":\"STORE\"\n" +" },\n" +" {\n" +" \"children\":[\n" +" {\n" +" \"code\":\"ZXF0001\",\n" +" \"name\":\"装修费\",\n" +" \"parentCode\":\"ZXF\"\n" +" },\n" +" {\n" +" \"code\":\"ZXF0000\",\n" +" \"name\":\"装修费合计\",\n" +" \"parentCode\":\"ZXF\"\n" +" }\n" +" ],\n" +" \"code\":\"ZXF\",\n" +" \"name\":\"装修费用\",\n" +" \"parentCode\":\"STORE\"\n" +" },\n" +" {\n" +" \"children\":[\n" +" {\n" +" \"code\":\"YJF0001\",\n" +" \"name\":\"样机费\",\n" +" \"parentCode\":\"YJF\"\n" +" },\n" +" {\n" +" \"code\":\"YJF0000\",\n" +" \"name\":\"样机费用合计\",\n" +" \"parentCode\":\"YJF\"\n" +" }\n" +" ],\n" +" \"code\":\"YJF\",\n" +" \"name\":\"样机费用\",\n" +" \"parentCode\":\"STORE\"\n" +" },\n" +" {\n" +" \"children\":[\n" +" {\n" +" \"code\":\"RYF0008\",\n" +" \"name\":\"销售奖励\",\n" +" \"parentCode\":\"SJL\"\n" +" },\n" +" {\n" +" \"code\":\"SJL0000\",\n" +" \"name\":\"销售奖励合计\",\n" +" \"parentCode\":\"SJL\"\n" +" }\n" +" ],\n" +" \"code\":\"SJL\",\n" +" \"name\":\"销售奖励\",\n" +" \"parentCode\":\"STORE\"\n" +" },\n" +" {\n" +" \"children\":[\n" +" {\n" +" \"code\":\"CXF0001\",\n" +" \"name\":\"赠品费\",\n" +" \"parentCode\":\"CXF\"\n" +" },\n" +" {\n" +" \"code\":\"CXF0002\",\n" +" \"name\":\"广告费\",\n" +" \"parentCode\":\"CXF\"\n" +" },\n" +" {\n" +" \"code\":\"CXF0003\",\n" +" \"name\":\"物料费\",\n" +" \"parentCode\":\"CXF\"\n" +" },\n" +" {\n" +" \"code\":\"CXF0004\",\n" +" \"name\":\"导购激励费\",\n" +" \"parentCode\":\"CXF\"\n" +" },\n" +" {\n" +" \"code\":\"CXF0005\",\n" +" \"name\":\"渠道促销费\",\n" +" \"parentCode\":\"CXF\"\n" +" },\n" +" {\n" +" \"code\":\"CXF0006\",\n" +" \"name\":\"门店促销费\",\n" +" \"parentCode\":\"CXF\"\n" +" },\n" +" {\n" +" \"code\":\"CXF0007\",\n" +" \"name\":\"其他杂费\",\n" +" \"parentCode\":\"CXF\"\n" +" },\n" +" {\n" +" \"code\":\"CXF0000\",\n" +" \"name\":\"促销费合计\",\n" +" \"parentCode\":\"CXF\"\n" +" }\n" +" ],\n" +" \"code\":\"CXF\",\n" +" \"name\":\"促销费\",\n" +" \"parentCode\":\"STORE\"\n" +" },\n" +" {\n" +" \"children\":[\n" +" {\n" +" \"code\":\"FTF0001\",\n" +" \"name\":\"大区运营费用\",\n" +" \"parentCode\":\"FTA\"\n" +" },\n" +" {\n" +" \"code\":\"FTF0002\",\n" +" \"name\":\"线下总部职能费用\",\n" +" \"parentCode\":\"FTA\"\n" +" },\n" +" {\n" +" \"code\":\"FTF0003\",\n" +" \"name\":\"直接费用分摊\",\n" +" \"parentCode\":\"FTA\"\n" +" },\n" +" {\n" +" \"code\":\"FTF0000\",\n" +" \"name\":\"分摊费用合计\",\n" +" \"parentCode\":\"FTA\"\n" +" }\n" +" ],\n" +" \"code\":\"FTA\",\n" +" \"name\":\"直接分摊\",\n" +" \"parentCode\":\"STORE\"\n" +" },\n" +" {\n" +" \"children\":[\n" +" {\n" +" \"code\":\"FTF0004\",\n" +" \"name\":\"间接费用分摊\",\n" +" \"parentCode\":\"FTB\"\n" +" }\n" +" ],\n" +" \"code\":\"FTB\",\n" +" \"name\":\"间接分摊\",\n" +" \"parentCode\":\"STORE\"\n" +" }\n" +" ],\n" +" \"code\":\"STORE\",\n" +" \"name\":\"线下终端\"\n" +" }\n" +" ]\n" +" },\n" +" \"message\":\"success\"\n" +"}";}}结果：
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