public class EasyUtil {
public ResponseResult putExcel(HttpServletResponse response, Collection<?> data,
Class head, String sheetName) throws IOException {
//设置表名
String fileName = new String((new SimpleDateFormat("yyyy-MM-dd").format(new Date())).getBytes(), "UTF-8");
//设置字符编码
response.setCharacterEncoding("utf-8");
//设置内容类型
response.setContentType("application/json;charset=utf-8");
//设置标题
response.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(fileName + ".xlsx", "utf-8"));
//核心代码
EasyExcel.write(response.getOutputStream(),head).sheet(sheetName).doWrite(data);
return ResponseResult.okResult(HttpCodeEnum.SUCCESS);
}
}
impl
@Override
public ResponseResult download(HttpServletResponse response, List<Integer> id) {
List<Demo> feedbacks = listByIds(id);
EasyUtil easyUtil = new EasyUtil();
String string = "测试一下";
try {
easyUtil.putExcel(response, feedbacks, Feedback.class, string);
} catch (IOException e) {
throw new RuntimeException(e);
}
return ResponseResult.okResult(HttpCodeEnum.SUCCESS);
}