Java导出excel （五分钟搞定）

导出Java类

package com.shsnc.perform.controller;

import cn.hutool.poi.excel.ExcelUtil;
import cn.hutool.poi.excel.ExcelWriter;
import com.shsnc.perform.vo.User;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;


@Slf4j
@RestController
@RequestMapping("/perform")
public class Controller {


    /**
     * 功能描述: <br>
     * 导出excel
     */
    @GetMapping("/export/excel")
    public void executeSql(HttpServletResponse response) throws IOException {

        List<User> list = new ArrayList<>();
        for (int i = 0; i < 10; i++) {
            User user = new User();
            user.setId("000" + i);
            user.setName("tome" + i);
            user.setAge(i + "");
            user.setHobby("篮球" + i);
            user.setAddress("杭州西湖 文一西路 00" + i + "号");
            list.add(user);
        }
        log.info("查询到数据为{}", list);
        ExcelWriter writer = ExcelUtil.getWriter();
        log.info("response为{}", response);
        response.addHeader("Content-Disposition", "attachment; filename=\"" + System.currentTimeMillis() + ".xls\"");//
        response.setContentType("application/octet-stream");
        writer.addHeaderAlias("id", "编号");
        writer.addHeaderAlias("name", "姓名");
        writer.addHeaderAlias("age", "年龄");
        writer.addHeaderAlias("hobby", "爱好");
        writer.addHeaderAlias("address", "住址");
        writer.write(list);
        OutputStream outputStream = response.getOutputStream();
        log.info("输出流为{}", outputStream);
        writer.flush(outputStream, true);
        log.info("渲染结束", response);
    }
}

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Pom文件

        <dependency>
            <groupId>cn.hutool</groupId>
            <artifactId>hutool-all</artifactId>
            <version>5.7.21</version>
        </dependency>
        <dependency>
            <groupId>cn.afterturn</groupId>
            <artifactId>easypoi-base</artifactId>
            <version>4.1.2</version>
        </dependency>
        <dependency>
            <groupId>cn.afterturn</groupId>
            <artifactId>easypoi-web</artifactId>
            <version>4.1.2</version>
        </dependency>
        <dependency>
            <groupId>cn.afterturn</groupId>
            <artifactId>easypoi-annotation</artifactId>
            <version>4.1.2</version>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
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百度网盘地址

链接：https://pan.baidu.com/s/1o0BB0kz9vf6jORnp2z38qA?pwd=1234 
提取码：1234
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打开项目 直接启动

访问地址

http://localhost:22770//perform/export/excel
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导出结果