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导入jar

 <dependency><groupId>com.alibaba</groupId><artifactId>easyexcel</artifactId><version>3.3.3</version></dependency>

代码

 private static List<List<String>> head() {List<List<String>> list = ListUtils.newArrayList();List<String> head0 = ListUtils.newArrayList();head0.add("字符串" + System.currentTimeMillis());List<String> head1 = ListUtils.newArrayList();head1.add("数字" + System.currentTimeMillis());List<String> head2 = ListUtils.newArrayList();head2.add("日期" + System.currentTimeMillis());list.add(head0);list.add(head1);list.add(head2);return list;}private static List<List<Object>> dataList() {List<List<Object>> list = ListUtils.newArrayList();for (int i = 0; i < 10; i++) {List<Object> data = ListUtils.newArrayList();data.add("字符串" + i);data.add(0.56);data.add(new Date());list.add(data);}return list;}public static void main(String[] args) {String fileName = "/opt/test.csv";EasyExcel.write(fileName).excelType(ExcelTypeEnum.CSV).head(head()).sheet("模板").doWrite(dataList());}

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