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[英]Mongoose: How to create a document and simultaneously push a sub array into it
[英]How to push a sub document inside an array in mongoose?
我正在尝试在主题中添加一系列步骤。 但每次我提出帖子请求时。 它存储一个只有 _id 的空数组。 这是我的模型:
const mongoose = require('mongoose'); //const Step = require('./Step'); const StepSchema = mongoose.Schema({ title: String, status: String, date: { type: Date, default: Date.now } }); const TopicSchema = mongoose.Schema({ name: String, description: String, steps: [StepSchema], date: { type: Date, default: Date.now } }); module.exports = mongoose.model('Topic', TopicSchema);
这是我的 router.js:
const express = require('express'); const router = express.Router(); const Topic = require('../models/Topic'); router.post('/', async (req, res) => { const topic = new Topic({ name: req.body.name, description: req.body.description, }); topic.steps.push({ title: req.body.title, status: req.body.status }) try { const saveTopic = await topic.save(); res.json(saveTopic); } catch (err) { res.json({ message: err }); } }); module.exports = router;
这是我的邮递员请求:
{
"name": "t",
"description": "y",
"steps": {
"title": "a",
"status": "b"
}
}
提前致谢。
在您的 POSTMAN 请求中,标题和状态包含在steps
对象中。
你需要做:
topic.steps.push({
title: req.body.steps.title,
status: req.body.steps.status
});
代替:
topic.steps.push({
title: req.body.title,
status: req.body.status
});
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