SpringBoot利用EasyExcel实现导出数据

<!--引入easyexcel-->
<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>easyexcel</artifactId>
    <version>3.0.4</version>
</dependency>

@Data
@NoArgsConstructor
@AllArgsConstructor
@Builder
public class User implements Serializable {
    @ExcelProperty(value = {"用户名"},index = 0)
    private String userName;
    @ExcelProperty(value = {"年龄"},index = 1)
    private Integer age;
    @ExcelProperty(value = {"地址"} ,index = 2)
    private String address;
    @ExcelProperty(value = {"生日"},index = 3)
    //注意：日期格式注解由alibaba.excel提供
	//  @DateTimeFormat("yyyy-MM-dd HH:mm")
    private Date birthday;
}

    public static void main(String[] args) {
        //组装数据
        ArrayList<User> users = new ArrayList<>();
        for (int i = 0; i < 10; i++) {
            User user = new User();
            user.setAddress("西安" + i);
            user.setUserName("张三" + i);
            user.setBirthday(new Date());
            user.setAge(10 + i);
            users.add(user);
        }
        //不做任何注解处理时，表头名称与实体类属性名称一致
        EasyExcel.write("D:\\用户.xlsx", User.class).sheet("用户信息").doWrite(users);
    }

@HeadRowHeight(value = 35) // 表头行高
@ContentRowHeight(value = 25) // 内容行高
@ColumnWidth(value = 50) // 列宽

@Data
@NoArgsConstructor
@AllArgsConstructor
@Builder
@HeadRowHeight(value = 35) // 表头行高
@ContentRowHeight(value = 25) // 内容行高
@ColumnWidth(value = 50) // 列宽
public class User implements Serializable {
    @ExcelProperty(value = {"用户名"},index = 0)
    private String userName;
    @ExcelProperty(value = {"年龄"},index = 1)
    private Integer age;
    @ExcelProperty(value = {"地址"} ,index = 2)
    private String address;
    @ExcelProperty(value = {"生日"},index = 3)
    //注意：日期格式注解由alibaba.excel提供
//    @DateTimeFormat("yyyy-MM-dd HH:mm")
    private Date birthday;
}