- [引入依赖]
<!--easypoi-->
<dependency>
<groupId>cn.afterturn</groupId>
<artifactId>easypoi-base</artifactId>
<version>3.0.1</version>
</dependency>
<dependency>
<groupId>cn.afterturn</groupId>
<artifactId>easypoi-web</artifactId>
<version>3.0.1</version>
</dependency>
<dependency>
<groupId>cn.afterturn</groupId>
<artifactId>easypoi-annotation</artifactId>
<version>3.0.1</version>
</dependency>
/**
* 写入数据导出Excel
*
* @param response
*/
@GetMapping("/writeExcel")
public void writeExcel(HttpServletResponse response) throws IOException {
ExportParams params = new ExportParams();
//生成要导出的数据
List<Map<String, Object>> resultList = new ArrayList<>();
List<List<Object>> tempDataList = new ArrayList<>();
List<Object> tempRowList1 = new ArrayList<>(Arrays.asList(1, 8, 1, 4, 2, 0, 9, 2, 2, 2));
tempDataList.add(tempRowList1);
List<Object> tempRowList2 = new ArrayList<>(Arrays.asList(0, 1, 8, 3, 4, 5, 7, 7, 8, 9));
tempDataList.add(tempRowList2);
List<Object> tempRowList3 = new ArrayList<>(Arrays.asList(1, 1, 2, 8, 4, 5, 6, 7, 8, 8));
tempDataList.add(tempRowList3);
for (List<Object> rowList : tempDataList) {
System.out.println("这个集合的值是:" + rowList);
Map<String, Object> rowMap = new HashMap<>();
for (int i = 1; i <= rowList.size(); i++) {
rowMap.put("title" + i, rowList.get(i - 1));
}
resultList.add(rowMap);
}
//列名
List<ExcelExportEntity> entityList = new ArrayList<>();
for (int i = 1; i <= tempRowList1.size(); i++) {
ExcelExportEntity entity = new ExcelExportEntity("标题" + i, "title" + i);
entityList.add(entity);
}
Workbook workbook = ExcelExportUtil.exportExcel(params, entityList, resultList);
response.addHeader("Content-Disposition", "filename=test.xlsx");
//设置类型,扩展名为.xls
response.setContentType("application/vnd.ms-excel");
workbook.write(response.getOutputStream());
}
标签:cn,List,ArrayList,Excel,表头,ExcelExportEntity,new,tempDataList From: https://www.cnblogs.com/srjx/p/16786945.html表头的值和数据的key是需要对应的