引入pom
xml
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>easyexcel</artifactId>
<version>2.2.6</version>
</dependency>
运用
java
import com.alibaba.excel.EasyExcel;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import javax.servlet.http.HttpServletResponse;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
@Controller
@RequestMapping("/easy/excel")
public class EasyExcelController {
@GetMapping("/tttt")
public void tttt(HttpServletResponse response) throws Exception
{
response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
response.setCharacterEncoding("utf-8");
// 这里URLEncoder.encode可以防止中文乱码 当然和easyexcel没有关系
String fileName = URLEncoder.encode("测试", "UTF-8").replaceAll("\\+", "%20");
response.setHeader("Content-disposition", "attachment;filename*=utf-8''" + fileName + ".xlsx");
// 表头
List<List<String>> heads = new ArrayList<List<String>>();
List<String> head0 = new ArrayList<>();
head0.add("字符id");
List<String> head1 = new ArrayList<>();
head1.add("合并1");
head1.add("合并2");
List<String> head2 = new ArrayList<>();
head2.add("数量1");
List<String> head3 = new ArrayList<>();
head3.add("小数");
List<String> head4 = new ArrayList<>();
head4.add(" 时 间 ");
heads.add(head0);
heads.add(head1);
heads.add(head2);
heads.add(head3);
heads.add(head4);
List<List<Object>> rt = new ArrayList<List<Object>>();
List<Object> row =new ArrayList<>();
row.add("UID1");
row.add("name1");
row.add(7);
row.add(1.2);
row.add(new Date());
rt.add(row);
List<Object> row2 =new ArrayList<>();
row2.add("UID2");
row2.add("name2");
row2.add(1);
row2.add(3.4);
row2.add(new Date());
rt.add(row2);
EasyExcel.write(response.getOutputStream()).head(heads).sheet("sheet名").doWrite(rt);
}
}