code: public void exportObjects2Excel(String templatePath, List<?> data, Class clazz, OutputStream os)
              throws Excel4JException {
  
          exportObjects2Excel(templatePath, 0, data, null, clazz, true, os);
      }
docs: 基于Excel模板与注解{@link com.github.crab2died.annotation.ExcelField}导出Excel
  
  @param templatePath Excel模板路径
  @param data         待导出数据的集合
  @param clazz        映射对象Class
  @param os           生成的Excel待输出数据流
  @throws Excel4JException 异常
  @author Crab2Died