jxls2.4.5如何动态导出excel表头与数据

<dependency>
    <groupId>org.jxls</groupId>
    <artifactId>jxls</artifactId>
    <version>2.4.5</version>
</dependency>
<dependency>
    <!-- 可以使用poi的实现也可以用jexcelapi的 -->
    <groupId>org.jxls</groupId>
    <artifactId>jxls-poi</artifactId>
    <version>1.0.15</version>
</dependency>
<dependency>
    <groupId>org.jxls</groupId>
    <artifactId>jxls-jexcel</artifactId>
    <version>1.0.7</version>
</dependency>
<dependency>
    <groupId>net.sf.jxls</groupId>
    <artifactId>jxls-core</artifactId>
    <version>1.0.6</version>
</dependency>

jx:area(lastCell=”A3”)

jx:grid(lastCell=“A3” headers=“hDatas” data=“bDatas” areas=[A2:A2, A3:A3] formatCells=“BigDecimal:C1,Date:D1”)

package cn.xj.controller;

import com.google.common.collect.Lists;
import lombok.extern.slf4j.Slf4j;
import org.jxls.common.Context;
import org.jxls.util.JxlsHelper;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import java.io.*;
import java.util.*;

@Slf4j
public class Test3 {

    public static void main(String[] args) throws Exception {

        //Map<String, Object> map = new HashMap();
        Context context = new Context();
        // 动态头
        context.putVar("hDatas", Arrays.asList("编号","名称","年龄","邮箱"));
        // 数据集合
        List<List<Object>> dataList = Lists.newArrayList();
        for (int i = 0; i < 10; i++) {
            List<Object> list = new ArrayList<>();
            Map<String, Object> params = new HashMap<>();
            list.add("1_"+i);
            list.add("xj_"+i);
            list.add(22);
            list.add("专注写bug测试中文");
            dataList.add(list);
        }
        // ${item.num}
        context.putVar("bDatas",dataList);

        Resource resource = new ClassPathResource("/report/test_user2.xlsx");
        InputStream is = resource.getInputStream();

        String outFile = System.getProperty("user.dir")+ File.separator+"springboot-poi"+File.separator+"pdf"+File.separator+System.currentTimeMillis()+ ".xlsx";
        OutputStream outputStream = new FileOutputStream(outFile);


        JxlsHelper.getInstance().processTemplate(is, outputStream, context);

    }

}

Context context = new Context();
// 动态头
context.putVar(“hDatas”, Arrays.asList(“编号”,“名称”,“年龄”,“邮箱”));
// 数据集合
List<List> dataList = Lists.newArrayList();
context.putVar(“bDatas”,dataList);