使用hutool工具进行导入导出excel表格2

username	password	nickname	email
张三	23	88.32	TRUE
李四	33	59.50	FALSE
自定义内容			
	第五行第二列		
名字	张三		
密码	23		
昵称	88.32		
电子邮件	true		

效果图：
![image](https://img2022.cnblogs.com/blog/2390012/202209/2390012-20220927153214108-978798094.png)

@GetMapping("/exportExample")
	@Inner(false)
	public void exportExample(CppccProposal cppccProposal, HttpServletResponse response) throws IOException {

		//查询所有用户
		Map<String, Object> row1 = new LinkedHashMap<>();
		row1.put("username", "张三");
		row1.put("password", 23);
		row1.put("nickname", 88.32);
		row1.put("email", true);


		Map<String, Object> row2 = new LinkedHashMap<>();
		row2.put("username", "李四");
		row2.put("password", 33);
		row2.put("nickname", 59.50);
		row2.put("email", false);


		ArrayList<Map<String, Object>> rows = CollUtil.newArrayList(row1, row2);



		ExcelWriter writer= ExcelUtil.getWriter(true);
		//自定义标题别名
//		writer.addHeaderAlias("username","姓名");
//		writer.addHeaderAlias("password","密码");
//		writer.addHeaderAlias("nickname","昵称");
//		writer.addHeaderAlias("email","对错");


		//默认配置
		writer.write(rows,true);

		List<Object> row = ListUtil.of((CellSetter) cell -> cell.setCellValue("自定义内容"));
		writer.writeRow(row);


		writer.writeCellValue(1,4,"第五行第二列");


		writer.writeCellValue(0,5,"名字");
		writer.writeCellValue(1,5,row1.get("username").toString());

		writer.writeCellValue(0,6,"密码");
		writer.writeCellValue(1,6,row1.get("password").toString());

		writer.writeCellValue(0,7,"昵称");
		writer.writeCellValue(1,7,row1.get("nickname").toString());

		writer.writeCellValue(0,8,"电子邮件");
		writer.writeCellValue(1,8,row1.get("email").toString());


//		writer.clearHeaderAlias();

		//设置content—type
		response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset:utf-8");

		//设置标题
		String fileName= URLEncoder.encode("用户信息","UTF-8");
		//Content-disposition是MIME协议的扩展，MIME协议指示MIME用户代理如何显示附加的文件。
		response.setHeader("Content-Disposition","attachment;filename="+fileName+".xlsx");
		ServletOutputStream outputStream= response.getOutputStream();

		//将Writer刷新到OutPut
		writer.flush(outputStream,true);
		outputStream.close();
	}