content: package com.ruoyi.web.controller.monitor;
  
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.Collections;
  import java.util.List;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.security.access.prepost.PreAuthorize;
  import org.springframework.web.bind.annotation.DeleteMapping;
  import org.springframework.web.bind.annotation.GetMapping;
  import org.springframework.web.bind.annotation.PathVariable;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.RestController;
  import com.ruoyi.common.annotation.Log;
  import com.ruoyi.common.constant.CacheConstants;
  import com.ruoyi.common.core.controller.BaseController;
  import com.ruoyi.common.core.domain.AjaxResult;
  import com.ruoyi.common.core.domain.model.LoginUser;
  import com.ruoyi.common.core.page.TableDataInfo;
  import com.ruoyi.common.core.redis.RedisCache;
  import com.ruoyi.common.enums.BusinessType;
  import com.ruoyi.common.utils.StringUtils;
  import com.ruoyi.system.domain.SysUserOnline;
  import com.ruoyi.system.service.ISysUserOnlineService;
  
  /**
   * 在线用户监控
   * 
   * @author ruoyi
   */
  @RestController
  @RequestMapping("/monitor/online")
  public class SysUserOnlineController extends BaseController
  {
      @Autowired
      private ISysUserOnlineService userOnlineService;
  
      @Autowired
      private RedisCache redisCache;
  
      @PreAuthorize("@ss.hasPermi('monitor:online:list')")
      @GetMapping("/list")
      public TableDataInfo list(String ipaddr, String userName)
      {
          Collection<String> keys = redisCache.keys(CacheConstants.LOGIN_TOKEN_KEY + "*");
          List<SysUserOnline> userOnlineList = new ArrayList<SysUserOnline>();
          for (String key : keys)
          {
              LoginUser user = redisCache.getCacheObject(key);
              if (StringUtils.isNotEmpty(ipaddr) && StringUtils.isNotEmpty(userName))
              {
                  userOnlineList.add(userOnlineService.selectOnlineByInfo(ipaddr, userName, user));
              }
              else if (StringUtils.isNotEmpty(ipaddr))
              {
                  userOnlineList.add(userOnlineService.selectOnlineByIpaddr(ipaddr, user));
              }
              else if (StringUtils.isNotEmpty(userName) && StringUtils.isNotNull(user.getUser()))
              {
                  userOnlineList.add(userOnlineService.selectOnlineByUserName(userName, user));
              }
              else
              {
                  userOnlineList.add(userOnlineService.loginUserToUserOnline(user));
              }
          }
          Collections.reverse(userOnlineList);
          userOnlineList.removeAll(Collections.singleton(null));
          return getDataTable(userOnlineList);
      }
  
      /**
       * 强退用户
       */
      @PreAuthorize("@ss.hasPermi('monitor:online:forceLogout')")
      @Log(title = "在线用户", businessType = BusinessType.FORCE)
      @DeleteMapping("/{tokenId}")
      public AjaxResult forceLogout(@PathVariable String tokenId)
      {
          redisCache.deleteObject(CacheConstants.LOGIN_TOKEN_KEY + tokenId);
          return success();
      }
  }
  