Excel导入导出工具类（完整版）

• ExcelUtil工具类

package com.gdz.excel.util;


import java.io.*;
import java.lang.reflect.Field;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.*;

import org.apache.poi.hssf.usermodel.*;
import org.apache.poi.hssf.util.HSSFColor;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xssf.streaming.SXSSFSheet;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

import javax.servlet.http.HttpServletResponse;

/**
 * Excel导入导出
 * @Author: guandezhi
 * @Date: 2019/3/9 9:47
 */
public class ExcelUtil {

    /**
     * 导出多个sheet的excel
     * @param name
     * @param mapList
     * @param response
     * @param 
     */
    public static  void exportMultisheetExcel(String name, List

• 测试一下

/**
 * @Author: guandezhi
 * @Date: 2019/3/9 11:18
 */
@Slf4j
@RestController
@RequestMapping("/excel")
public class ExcelController {

    @RequestMapping(value = "/exportExcel")
    public String exportExcel(HttpServletResponse response) throws Exception {
        String[] headers = {"姓名", "性别", "年龄", "学校", "班级"};
        String fileName = "学生表";
        List studentList = new ArrayList<>();
        Student student = new Student();
        student.setStudentName("guandezhi");
        student.setGrade("三年二班");
        student.setAge(20);
        student.setSchool("XX大学");
        student.setSex("男");
        studentList.add(student);

        Map studentMap = new HashMap();
        studentMap.put("headers", headers);
        studentMap.put("dataList", studentList);
        studentMap.put("fileName", fileName);

        List

其中的student类

/**
 * @Author: guandezhi
 * @Date: 2019/3/7 9:53
 */
@Data
public class Student {

    private String studentName;

    private String sex;

    private Integer age;

    private String school;

    private String grade;
}

• 导出的excel数据

• 读取到的excel数据

总结：

• 该excelUtil可以导出多个sheet的excel