Javascript 如何更新MongoDB中数组NodeJS中的特定对象
我正在创建预订系统,现在我需要更新数组中的特定对象Javascript 如何更新MongoDB中数组NodeJS中的特定对象,javascript,node.js,reactjs,mongodb,mongoose,Javascript,Node.js,Reactjs,Mongodb,Mongoose,我正在创建预订系统,现在我需要更新数组中的特定对象 { "_id":{ "$oid":"5f3fdcf463153719845e32e9" }, "do_kogo":"Doctor", "Startdate":"8/21/2020, 1:00:00 AM", "EndDate":"8/2
{
"_id":{
"$oid":"5f3fdcf463153719845e32e9"
},
"do_kogo":"Doctor",
"Startdate":"8/21/2020, 1:00:00 AM",
"EndDate":"8/21/2020, 2:00:00 AM",
"StartdateFormatPL":"21.08.2020, 01:00:00",
"EndDateFormatPL":"21.08.2020, 02:00:00",
"godziny":[
{
"id":"rbprEs",
"hour":"21.08.2020, 01:00:00",
"isBooked":false,
"isConfirmed":false
},
{
"id":"lT8WkM",
"hour":"21.08.2020, 01:05:00",
"isBooked":false,
"isConfirmed":false
},
{
"id":"n4PJ3V",
"hour":"21.08.2020, 01:10:00",
"isBooked":false,
"isConfirmed":false
},
{
"id":"aHM-Gn",
"hour":"21.08.2020, 01:15:00",
"isBooked":false,
"isConfirmed":false
},
{
"id":"-EFbRV",
"hour":"21.08.2020, 01:20:00",
"isBooked":false,
"isConfirmed":false
},
{
"id":"X64wkx",
"hour":"21.08.2020, 01:25:00",
"isBooked":false,
"isConfirmed":false
},
{
"id":"eXv451",
"hour":"21.08.2020, 01:30:00",
"isBooked":false,
"isConfirmed":false
},
{
"id":"xxni5q",
"hour":"21.08.2020, 01:35:00",
"isBooked":false,
"isConfirmed":false
},
{
"id":"sTkns7",
"hour":"21.08.2020, 01:40:00",
"isBooked":false,
"isConfirmed":false
},
{
"id":"MaffJR",
"hour":"21.08.2020, 01:45:00",
"isBooked":false,
"isConfirmed":false
},
{
"id":"8DFBra",
"hour":"21.08.2020, 01:50:00",
"isBooked":false,
"isConfirmed":false
},
{
"id":"3Jb5yE",
"hour":"21.08.2020, 01:55:00",
"isBooked":false,
"isConfirmed":false
}
],
"__v":{
"$numberInt":"0"
}
}
我需要的是通过它的id:5f3fdcf463153719845e32e9
找到主对象,然后从godziny[]
找到它的id,比如“rbprEs”。之后,我需要将isBooked
值从false更改为True或以其他方式更改
我需要得到:
{
"id":"rbprEs",
"hour":"21.08.2020, 01:00:00",
"isBooked":true,
"isConfirmed":false
},
我正在尝试下面的代码,但它不能正常工作
router
.post("/upgrade/:id/:id2", (req, res) => {
ReservationHours.findOneAndUpdate(
{
// convert id to object id if not using (mongoose.Types.ObjectId(req.params.id))
_id: req.params.id,
godziny: {
$elemMatch: {
id: req.params.id2,
isBooked: false
}
}
},
// use positional operator $ to update in specific object
{ $set: { "godziny.$.isBooked": true } }
)
.then(ReservationHours =>
ReservationHours.save().then(() => res.json({ success: true }))
)
.catch(err => res.status(404).json({ success: false }));
});
但如何获取和更新如此嵌套的参数呢
在该职位的回应中也要编码:
export const updateReservationHours = (id, id2) => (dispatch, getState) => {
axios.post(`/reservationshours/${id}/${id2}`, tokenConfig(getState)).then(res =>
dispatch({
type: UPDATE_RESERVATION_HOURS,
payload: (id, id2)
})
)
.catch(err =>
dispatch(returnErrors(err.response.data, err.response.status))
);
};
你可以试试
如果第二个id“rbprEs”也是作为req.param发送的呢?您是指多个id?或者动态ID你可以设置它检查更新的评论我的意思是我正在发送两个参数。首先确定主要对象。然后第二个id识别数组中的特定对象,该数组位于主对象中。是的,我的答案是什么,如果我错了,我不理解你,你能用示例和代码给出正确的理解吗。编辑的主要帖子。如果你有更多的问题,我会更新。
ReservationHours.findOneAndUpdate(
{
// convert id to object id if not using (mongoose.Types.ObjectId(req.params.id))
_id: req.params.id,
godziny: {
$elemMatch: {
// you can set it dynamic by using (req.params.godziny)
// if its multiple and array then use id: { $in: req.params.godziny }
id: "rbprEs",
isBooked: false
}
}
},
// use positional operator $ to update in specific object
{ $set: { "godziny.$.isBooked": true } },
// get updated original document
{ projection: { "godziny.$": 1 } }
)
.then(ReservationHours =>
ReservationHours.save().then(() => res.json({ success: true }))
)
.catch(err => res.status(404).json({ success: false }));