因為是用python開發的,只要獲取一個集合中的某個字段,希望可以組成列表形式返回
比如下面數據,只要返回一個invitee的值組成的列表,而不要"invitee" 這個KEY ,請教大神有沒辦法的?
[{
"_id" : ObjectId("583eda3c3a5ef82f08a5dbb3"),
"quit" : false,
"groupUin" : {
"UserName" : "@@06d369ee17281c6df1da107f377a06898e91be8965e0d51f1876273484c0a685",
"City" : "",
"DisplayName" : "",
"UniFriend" : 0,
"MemberList" : [],
"PYQuanPin" : "qunhaoquerenqun1",
"RemarkPYInitial" : "",
"Uin" : "8048117905@chatroom",
"AppAccountFlag" : 0,
"VerifyFlag" : 0,
"Province" : "",
"KeyWord" : "",
"RemarkName" : "",
"self" : {
"UserName" : "@154290f91854836376af5345be69693f93fdec64a20a0b8bcdfff5d4b8a171b4",
"RemarkPYQuanPin" : "",
"DisplayName" : "暖暖的o",
"KeyWord" : "",
"PYInitial" : "",
"Uin" : 1589615073,
"RemarkPYInitial" : "",
"PYQuanPin" : "",
"MemberStatus" : 0,
"NickName" : "暖暖的",
"AttrStatus" : 16781349
},
"ChatRoomId" : 0,
"isAdmin" : true,
"ContactType" : 0,
"HideInputBarFlag" : 0,
"EncryChatRoomId" : "@fd153ce3dad59c8464de5b670c98b3a7",
"AttrStatus" : 0,
"Statues" : 1,
"SnsFlag" : 0,
"MemberCount" : 2,
"OwnerUin" : 1589615073,
"Alias" : "",
"Signature" : "",
"ContactFlag" : 2,
"NickName" : "群号确认群1",
"ChatRoomOwner" : "@154290f91854836376af5345be69693f93fdec64a20a0b8bcdfff5d4b8a171b4",
"RemarkPYQuanPin" : "",
"HeadImgUrl" : "/cgi-bin/mmwebwx-bin/webwxgetheadimg?seq=0&username=@@06d369ee17281c6df1da107f377a06898e91be8965e0d51f1876273484c0a685&skey=",
"Sex" : 0,
"StarFriend" : 0,
"PYInitial" : "QHQRQ1",
"HeadImgUpdateFlag" : 1
},
"inviter" : {
"UserName" : "@154290f91854836376af5345be69693f93fdec64a20a0b8bcdfff5d4b8a171b4",
"RemarkPYQuanPin" : "",
"DisplayName" : "暖暖的o",
"KeyWord" : "",
"PYInitial" : "",
"Uin" : 1589615073,
"RemarkPYInitial" : "",
"PYQuanPin" : "",
"MemberStatus" : 0,
"NickName" : "暖暖的",
"AttrStatus" : 16781349
},
"invitee" : {
"UserName" : "@1c5afebc224895d6a84711ebd8e4f8dc",
"RemarkPYQuanPin" : "",
"DisplayName" : "",
"KeyWord" : "iss",
"PYInitial" : "",
"Uin" : 12266535,
"RemarkPYInitial" : "",
"PYQuanPin" : "",
"MemberStatus" : 0,
"NickName" : "admin",
"AttrStatus" : NumberLong(2181050407)
},
"addScore" : 0,
"invitTime" : 1480514108167.0
},{
"_id" : ObjectId("583eda3c3a5ef82f08a5dbb3"),
"quit" : false,
"groupUin" : {
"UserName" : "@@06d369ee17281c6df1da107f377a06898e91be8965e0d51f1876273484c0a685",
"City" : "",
"DisplayName" : "",
"UniFriend" : 0,
"MemberList" : [],
"PYQuanPin" : "qunhaoquerenqun1",
"RemarkPYInitial" : "",
"Uin" : "8048117905@chatroom",
"AppAccountFlag" : 0,
"VerifyFlag" : 0,
"Province" : "",
"KeyWord" : "",
"RemarkName" : "",
"self" : {
"UserName" : "@154290f91854836376af5345be69693f93fdec64a20a0b8bcdfff5d4b8a171b4",
"RemarkPYQuanPin" : "",
"DisplayName" : "暖暖的o",
"KeyWord" : "",
"PYInitial" : "",
"Uin" : 1589615073,
"RemarkPYInitial" : "",
"PYQuanPin" : "",
"MemberStatus" : 0,
"NickName" : "暖暖的",
"AttrStatus" : 16781349
},
"ChatRoomId" : 0,
"isAdmin" : true,
"ContactType" : 0,
"HideInputBarFlag" : 0,
"EncryChatRoomId" : "@fd153ce3dad59c8464de5b670c98b3a7",
"AttrStatus" : 0,
"Statues" : 1,
"SnsFlag" : 0,
"MemberCount" : 2,
"OwnerUin" : 1589615073,
"Alias" : "",
"Signature" : "",
"ContactFlag" : 2,
"NickName" : "群号确认群1",
"ChatRoomOwner" : "@154290f91854836376af5345be69693f93fdec64a20a0b8bcdfff5d4b8a171b4",
"RemarkPYQuanPin" : "",
"HeadImgUrl" : "/cgi-bin/mmwebwx-bin/webwxgetheadimg?seq=0&username=@@06d369ee17281c6df1da107f377a06898e91be8965e0d51f1876273484c0a685&skey=",
"Sex" : 0,
"StarFriend" : 0,
"PYInitial" : "QHQRQ1",
"HeadImgUpdateFlag" : 1
},
"inviter" : {
"UserName" : "@154290f91854836376af5345be69693f93fdec64a20a0b8bcdfff5d4b8a171b4",
"RemarkPYQuanPin" : "",
"DisplayName" : "暖暖的o",
"KeyWord" : "",
"PYInitial" : "",
"Uin" : 1589615073,
"RemarkPYInitial" : "",
"PYQuanPin" : "",
"MemberStatus" : 0,
"NickName" : "暖暖的",
"AttrStatus" : 16781349
},
"invitee" : {
"UserName" : "@1c5afebc224895d6a84711ebd8e4f8dc",
"RemarkPYQuanPin" : "",
"DisplayName" : "",
"KeyWord" : "iss",
"PYInitial" : "",
"Uin" : 12266535,
"RemarkPYInitial" : "",
"PYQuanPin" : "",
"MemberStatus" : 0,
"NickName" : "admin",
"AttrStatus" : NumberLong(2181050407)
},
"addScore" : 0,
"invitTime" : 1480514108167.0
},{
"_id" : ObjectId("583eda3c3a5ef82f08a5dbb3"),
"quit" : false,
"groupUin" : {
"UserName" : "@@06d369ee17281c6df1da107f377a06898e91be8965e0d51f1876273484c0a685",
"City" : "",
"DisplayName" : "",
"UniFriend" : 0,
"MemberList" : [],
"PYQuanPin" : "qunhaoquerenqun1",
"RemarkPYInitial" : "",
"Uin" : "8048117905@chatroom",
"AppAccountFlag" : 0,
"VerifyFlag" : 0,
"Province" : "",
"KeyWord" : "",
"RemarkName" : "",
"self" : {
"UserName" : "@154290f91854836376af5345be69693f93fdec64a20a0b8bcdfff5d4b8a171b4",
"RemarkPYQuanPin" : "",
"DisplayName" : "暖暖的o",
"KeyWord" : "",
"PYInitial" : "",
"Uin" : 1589615073,
"RemarkPYInitial" : "",
"PYQuanPin" : "",
"MemberStatus" : 0,
"NickName" : "暖暖的",
"AttrStatus" : 16781349
},
"ChatRoomId" : 0,
"isAdmin" : true,
"ContactType" : 0,
"HideInputBarFlag" : 0,
"EncryChatRoomId" : "@fd153ce3dad59c8464de5b670c98b3a7",
"AttrStatus" : 0,
"Statues" : 1,
"SnsFlag" : 0,
"MemberCount" : 2,
"OwnerUin" : 1589615073,
"Alias" : "",
"Signature" : "",
"ContactFlag" : 2,
"NickName" : "群号确认群1",
"ChatRoomOwner" : "@154290f91854836376af5345be69693f93fdec64a20a0b8bcdfff5d4b8a171b4",
"RemarkPYQuanPin" : "",
"HeadImgUrl" : "/cgi-bin/mmwebwx-bin/webwxgetheadimg?seq=0&username=@@06d369ee17281c6df1da107f377a06898e91be8965e0d51f1876273484c0a685&skey=",
"Sex" : 0,
"StarFriend" : 0,
"PYInitial" : "QHQRQ1",
"HeadImgUpdateFlag" : 1
},
"inviter" : {
"UserName" : "@154290f91854836376af5345be69693f93fdec64a20a0b8bcdfff5d4b8a171b4",
"RemarkPYQuanPin" : "",
"DisplayName" : "暖暖的o",
"KeyWord" : "",
"PYInitial" : "",
"Uin" : 1589615073,
"RemarkPYInitial" : "",
"PYQuanPin" : "",
"MemberStatus" : 0,
"NickName" : "暖暖的",
"AttrStatus" : 16781349
},
"invitee" : {
"UserName" : "@1c5afebc224895d6a84711ebd8e4f8dc",
"RemarkPYQuanPin" : "",
"DisplayName" : "",
"KeyWord" : "iss",
"PYInitial" : "",
"Uin" : 12266535,
"RemarkPYInitial" : "",
"PYQuanPin" : "",
"MemberStatus" : 0,
"NickName" : "admin",
"AttrStatus" : NumberLong(2181050407)
},
"addScore" : 0,
"invitTime" : 1480514108167.0
},]
過濾掉那個物件 xxxx.find({},{xxx:0},callback)
這個現成的命令好像做不到吧。只回value，不要key。除非自己寫js去做
只回傳value好像做不到吧，可以db.collection.find({},{"invitee":1}),返回後在程式碼中簡單處理下就行了。