Java POI 生成Excel（xlsx）文件

Java用POI实现根据Excel表格模板生成新的Excel并实现数据输出...

package com.poi.poiDemo;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;

@SpringBootApplication（exclude = {DataSourceAutoConfiguration.class}）
public class PoiDemoApplication {

	public static void main（String[] args） {
		SpringApplication.run（PoiDemoApplication.class args）;
	}
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2018-11-14 18:26  poiDemo\
     文件        4994  2018-09-18 08:23  poiDemo\mvnw.cmd
     目录           0  2018-11-14 18:36  __MACOSX\
     目录           0  2018-11-14 18:36  __MACOSX\poiDemo\
     文件         212  2018-09-18 08:23  __MACOSX\poiDemo\._mvnw.cmd
     目录           0  2018-09-18 17:53  poiDemo\target\
     目录           0  2018-11-14 18:22  poiDemo\target\test-classes\
     目录           0  2018-11-14 18:22  poiDemo\target\test-classes\com\
     目录           0  2018-11-14 18:22  poiDemo\target\test-classes\com\poi\
     目录           0  2018-11-14 18:22  poiDemo\target\test-classes\com\poi\poiDemo\
     目录           0  2018-11-14 18:22  poiDemo\target\test-classes\com\poi\poiDemo\NutTest\
     文件        3300  2018-11-14 18:22  poiDemo\target\test-classes\com\poi\poiDemo\NutTest\NutCTest.class
     文件         937  2018-11-14 18:22  poiDemo\target\test-classes\com\poi\poiDemo\NutTest\RSAUtilNut.class
     文件        3599  2018-11-14 18:22  poiDemo\target\test-classes\com\poi\poiDemo\NutTest\RSAUtil.class
     文件        7374  2018-11-14 18:22  poiDemo\target\test-classes\com\poi\poiDemo\NutTest\Nuttest2.class
     文件        1262  2018-11-14 18:22  poiDemo\target\test-classes\com\poi\poiDemo\PoiDemoApplicationTests.class
     目录           0  2018-09-18 17:53  poiDemo\target\generated-sources\
     目录           0  2018-09-18 17:53  poiDemo\target\generated-sources\annotations\
     目录           0  2018-11-14 18:22  poiDemo\target\classes\
     目录           0  2018-11-14 18:22  poiDemo\target\classes\com\
     目录           0  2018-11-14 18:22  poiDemo\target\classes\com\poi\
     目录           0  2018-11-14 18:22  poiDemo\target\classes\com\poi\poiDemo\
     文件         804  2018-11-14 18:22  poiDemo\target\classes\com\poi\poiDemo\PoiDemoApplication.class
     目录           0  2018-11-14 18:25  poiDemo\target\classes\com\poi\poiDemo\controller\
     文件        5715  2018-11-14 18:25  poiDemo\target\classes\com\poi\poiDemo\controller\ExcelController.class
     文件        1608  2018-11-14 18:22  poiDemo\target\classes\com\poi\poiDemo\controller\User.class
     目录           0  2018-11-14 18:22  poiDemo\target\classes\com\poi\poiDemo\service\
     目录           0  2018-11-14 18:22  poiDemo\target\classes\com\poi\poiDemo\service\impl\
     文件        5566  2018-11-14 18:22  poiDemo\target\classes\com\poi\poiDemo\service\impl\PoiServiceImpl.class
     文件         125  2018-11-14 18:22  poiDemo\target\classes\com\poi\poiDemo\service\PoiService.class
     文件         258  2018-11-14 18:22  poiDemo\target\classes\application.properties
............此处省略88个文件信息