以手機QQ查看在線人數的操作為例：
1、首先需要打開手機的桌面，如圖所示，然後再桌面點擊QQ的標誌進入頁面。
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2、然後進入之後，點擊需要查看的消息的群聊，如圖所示，然後進入即可。
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3、最後，進入群聊之後，只需要看到頁面上面，就是系統自帶顯示了在線人數，這樣就解決問題了。
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