1.创建数组
String[] excelTitleArr = new String[]{"创建时间", "任务编号", "任务名称", "创建账号", "发送时间", "计划发送数", "实际发送数","触达用户数","触达率","用户点击数", "点击率"};
其他方法可参考:https://jingyan.baidu.com/article/db55b6093ad3ae4ba30a2f94.html
2.将数组转为list
List<String> excelTitle = Arrays.asList(excelTitleArr);