..

src/main/java/io/renren/modules/admin/controller/AttendersController.java

@@ -1,10 +1,16 @@
package io.renren.modules.admin.controller;
import java.net.URLEncoder;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Date;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletResponse;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import org.apache.commons.lang.StringUtils;
@@ -18,7 +24,9 @@ import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import io.renren.modules.admin.entity.AttendersEntity;
import io.renren.modules.admin.entity.ExcelEntity;
import io.renren.modules.admin.service.AttendersService;
import io.renren.common.utils.ExcelUtils;
import io.renren.common.utils.PageUtils;
import io.renren.common.utils.R;
@@ -106,4 +114,57 @@ public class AttendersController {
        );
        return R.ok().put("list", list);
    }
    @GetMapping("/downloadxls")
    @RequiresPermissions("admin:attenders:list")
    public void makeExcel(HttpServletResponse response, @RequestParam Map<String, Object> params) throws Exception {
        if (!params.containsKey("meetingId")) {
            throw new Exception("会议id不可为空");
        }
        String meetingName = params.containsKey("meetingName") ? params.get("meetingName").toString() : "";
       
        ExcelEntity data = new ExcelEntity();
        data.setName(meetingName + "签到数据");
        //添加表头
        List<String> titles = new ArrayList<String>();
        titles.add("id");
        titles.add("姓名");
        titles.add("所属机构");
        titles.add("职位");
        titles.add("职称");
        titles.add("电话");
        titles.add("联系邮箱");
        titles.add("用户类型");
        data.setTitles(titles);
        //添加列
        List<List<Object>> rows = new ArrayList<List<Object>>();
        List<Object> row = null;
        Long meetingId = Long.valueOf(params.get("meetingId").toString());
        List<Map<String, Object>> list = attendersService.getMapList(meetingId);
        SimpleDateFormat lastdate=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        for (Map<String, Object> aMap : list) {
            row = new ArrayList<Object>();
            row.add(aMap.get("id"));
            row.add(aMap.get("truename"));
            row.add(aMap.get("organization"));
            row.add(aMap.get("position"));
            row.add(aMap.get("jobTitle"));
            row.add(aMap.get("phone"));
            row.add(aMap.get("email"));
            row.add(aMap.get("typeName"));
            rows.add(row);
            row = null;
        }
        data.setRows(rows);
        SimpleDateFormat fdate=new SimpleDateFormat("yyyyMMddHHmmss");
        String fileName=fdate.format(new Date())+".xlsx";
        // 告诉浏览器用什么软件可以打开此文件
        response.setHeader("content-Type", "application/vnd.ms-excel");
        // 下载文件的默认名称
        response.setHeader("Content-Disposition", "attachment;filename="+URLEncoder.encode(fileName, "utf-8"));
        // response.setHeader("Content-Disposition", "attachment;filename="+fileName);
        ExcelUtils.exportExcel(data, response.getOutputStream());
    }
}

src/main/java/io/renren/modules/admin/dao/AttendersDao.java

@@ -26,4 +26,7 @@ public interface AttendersDao extends BaseMapper<AttendersEntity> {
    @Select("SELECT a.id,m.truename,m.organization,m.position,m.job_title as jobTitle,m.phone,m.email,m.officephone,a.type_id typeId,(select t.name from types_of_attenders t where t.id=a.type_id) as typeName FROM attenders a JOIN member m ON a.member_id=m.id where a.is_del=0 AND a.id=#{aid}")
    Map<String, Object> getMapById(Long aid);
    @Select("SELECT a.id,m.truename,m.organization,m.position,m.job_title as jobTitle,m.phone,m.email,(select t.name from types_of_attenders t where t.id=a.type_id) as typeName FROM attenders a JOIN member m ON a.member_id=m.id where a.is_del=0 AND a.meeting_id=#{meetingId}")
    List<Map<String, Object>> getMapList(Long meetingId);
}

src/main/java/io/renren/modules/admin/service/AttendersService.java

@@ -38,5 +38,12 @@ public interface AttendersService extends IService<AttendersEntity> {
     * @return
     */
    Map<String, Object> getMapById(Long aid);
    /**
     * 获取参会名单
     * @param params
     * @return
     */
    List<Map<String, Object>> getMapList(Long meetingId);
}

src/main/java/io/renren/modules/admin/service/impl/AttendersServiceImpl.java

@@ -45,4 +45,9 @@ public class AttendersServiceImpl extends ServiceImpl<AttendersDao, AttendersEnt
    public Map<String, Object> getMapById(Long aid) {
        return baseMapper.getMapById(aid);
    }
    @Override
    public List<Map<String, Object>> getMapList(Long meetingId) {
        return baseMapper.getMapList(meetingId);
    }
}