<managerRoot_uri>/portalstatistics[.<format>]
userList、onlineUserList、onlineUserCount、distributionByRole、accumulatedUserCountChanges、accumulatedUserCount、accumulatedResourceCount、accumulatedResourceCountChanges、resourceContributors、totalAccumulatedResourceCountChanges、totalVisitCount、totalVisitCountChanges、visitCountChanges、visitDetails、visitors、clientVisits
预留资源。