要在MongoDB中获得连接的客户端，请使用currentOp()设置值为true的方法，并且您需要在字段客户端的帮助下迭代数组结果集。让我们首先实现currentOp
> db.currentOp(true)
以下是输出。由于我们使用的是本地主机，因此客户端为127.0.0.1。输出显示所有连接的客户端
{
"inprog" : [
{
"host" : "DESKTOP-QN2RB3H:27017",
"desc" : "conn1",
"connectionId" : 1,
"client" : "127.0.0.1:61787",
"appName" : "MongoDB Shell",
"clientMetadata" : {
"application" : {
"name" : "MongoDB Shell"
},
"driver" : {
"name" : "MongoDB Internal Client",
"version" : "4.0.5"
},
"os" : {
"type" : "Windows",
"name" : "Microsoft Windows 10",
"architecture" : "x86_64",
"version" : "10.0 (build 17134)"
}
},
"active" : true,
"currentOpTime" : "2019-03-30T05:13:34.296+0530",
"opid" : 12538,
"lsid" : {
"id" : UUID("da370b0f-093a-45f3-b1fe-697daca8ccd2"),
"uid" : BinData(0,"47DEQpj8HBSa+/TImW+5JCeuQeRkm5NMpJWZG3hSuFU=")
},
"secs_running" : NumberLong(0),
"microsecs_running" : NumberLong(160815),
"op" : "command",
"ns" : "admin.$cmd.aggregate",
"command" : {
"currentOp" : 1,
"$all" : true,
"lsid" : {
"id" : UUID("da370b0f-093a-45f3-b1fe-697daca8ccd2")
},
"$db" : "admin"
},
"numYields" : 0,
"locks" : {
},
"waitingForLock" : false,
"lockStats" : {
}
},
{
"host" : "DESKTOP-QN2RB3H:27017",
"desc" : "LogicalSessionCacheRefresh",
"active" : false,
"currentOpTime" : "2019-03-30T05:13:34.296+0530"
},
{
"host" : "DESKTOP-QN2RB3H:27017",
"desc" : "SessionKiller",
"active" : false,
"currentOpTime" : "2019-03-30T05:13:34.296+0530"
},
{
"host" : "DESKTOP-QN2RB3H:27017",
"desc" : "TTLMonitor",
"active" : false,
"currentOpTime" : "2019-03-30T05:13:34.296+0530"
},
{
"host" : "DESKTOP-QN2RB3H:27017",
"desc" : "free_mon",
"active" : false,
"currentOpTime" : "2019-03-30T05:13:34.296+0530"
},
{
"host" : "DESKTOP-QN2RB3H:27017",
"desc" : "freemon-0",
"active" : false,
"currentOpTime" : "2019-03-30T05:13:34.296+0530"
},
{
"host" : "DESKTOP-QN2RB3H:27017",
"desc" : "startPeriodicThreadToAbortExpiredTransactions",
"active" : false,
"currentOpTime" : "2019-03-30T05:13:34.296+0530"
},
{
"host" : "DESKTOP-QN2RB3H:27017",
"desc" : "WTCheckpointThread",
"active" : false,
"currentOpTime" : "2019-03-30T05:13:34.296+0530"
},
{
"host" : "DESKTOP-QN2RB3H:27017",
"desc" : "ftdc",
"active" : false,
"currentOpTime" : "2019-03-30T05:13:34.296+0530"
},
{
"host" : "DESKTOP-QN2RB3H:27017",
"desc" : "WTJournalFlusher",
"active" : false,
"currentOpTime" : "2019-03-30T05:13:34.296+0530"
},
{
"host" : "DESKTOP-QN2RB3H:27017",
"desc" : "clientcursormon",
"active" : false,
"currentOpTime" : "2019-03-30T05:13:34.296+0530"
},
{
"host" : "DESKTOP-QN2RB3H:27017",
"desc" : "initandlisten",
"active" : false,
"currentOpTime" : "2019-03-30T05:13:34.296+0530"
}
],
"ok" : 1
}