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1、环境 springboot+mybatis+mysq2、pom依赖导入 <!--easypoi--> <dependency> <groupId>cn.afterturn</groupId> <artifactId>easypoi-base</artifactId> <version>4.1....

1、pom中引入jar包<dependency> <groupId>org.apache.poi</groupId> <artifactId>poi</artifactId> <version>RELEASE</version></dependency><dependency> <groupId>org.apache.poi</groupId

1、FileUtil工具类package com.cc.fastdfs.utils;import org.springframework.core.io.ClassPathResource;import javax.servlet.http.HttpServletResponse;import java.io.*;/** * @author cc * @data 2021年05月19日 8:58 */public class FileUtil { /** * 下