<%@ page import="java.io.File" %> <%@ page import="java.util.List" %> <%@ page import="java.util.ArrayList" %> <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <% // 模板注意 用{} 来表示你要用的变量 如果本来就有"{","}" 特殊字符 用"\{","\}"代替 String templateFileName = "D:" + File.separator + "WEAVER8090" + File.separator + "ecology" + File.separator + "filesystem" + File.separator + "" + "workflowexport" + File.separator + "stencil" + File.separator + "simple.xlsx"; // 方案1 根据对象填充 String fileName = "D:" + File.separator + "WEAVER8090" + File.separator + "ecology" + File.separator + "filesystem" + File.separator + "" + "workflowexport" + File.separator + "stencil" + File.separator + System.currentTimeMillis() + ".xlsx"; // 这里 会填充到第一个sheet， 然后文件流会自动关闭 List list = new ArrayList<>(); FillData fillData = new FillData(); fillData.setName("张三"); fillData.setAge("99"); list.add(fillData); fillData = new FillData(); fillData.setName("李四"); fillData.setAge("199"); list.add(fillData); EasyExcel.write(fileName).withTemplate(templateFileName).sheet().doFill(list); %>