JAVA easyExcel 导出示例 精简版

1.  引入easyExcel的maven地址

        <dependency>
			<groupId>com.alibaba</groupId>
			<artifactId>easyexcel</artifactId>
			<version>2.2.3</version>
		</dependency>

 2.  建立导出用到的数据实体类

package com.excel.excel.entity;

import com.alibaba.excel.annotation.ExcelProperty;
import com.fasterxml.jackson.annotation.JsonFormat;
import lombok.Data;

import java.util.Date;

@ContentRowHeight(17) //文本行高度
@HeadRowHeight(20)    //标题高度
@ColumnWidth(20)//行宽
@Data
public class User {
    @ExcelProperty(value = "用户姓名", index = 0)
    private String userName;
    @ExcelProperty(value = "密码", index = 1)
    private String password;
    @ExcelProperty(value = 电话号码", index = 2)
    private String telephone;
    @ExcelProperty(value = 创建日期", index = 3)