将 Mongoose 嵌套模式发布到 MongoDB答案

【问题标题】：Posting a Mongoose Nested Schema to MongoDB将 Mongoose 嵌套模式发布到 MongoDB
【发布时间】：2020-07-09 05:15:56
【问题描述】：

我需要将嵌套模式发布到我的 MongoDB。我的猫鼬模式如下所示：

const projectSchema = new mongoose.Schema({
  title: String,
  code: String,
  leader: String,
  member1: {
    no: Number,
    name: String,
    desc: String,
    target: Number,
  },
  member2: {
    no: Number,
    name: String,
    desc: String,
    target: Number,
  }
}
const Project = mongoose.model("Project", projectSchema);

我想用这个向 mongoDB 发出 POST 请求：

app.post("/api/postproject", (req, res) => {
  const project = new Project({
    title: req.body.title,
    code: req.body.code,
    leader: req.body.leader,
    member1: {
      no: req.body.member1.no,
      name: req.body.member1.name,
      desc: req.body.member1.desc,
      target: req.body.member1.target
    },
    member2: {
      no: req.body.member2.no,
      name: req.body.member2.name,
      desc: req.body.member2.desc,
      target: req.body.member2.target
    }
  })
})

有人在这里发现错误吗？我试过了，但是嵌套对象没有成功。

【问题讨论】：

标签： node.js mongodb mongoose

【解决方案1】：

您可以尝试先在本地创建一个成员，然后将其作为整个对象传递：

app.post("/api/postproject", (req, res) => {
  let member1 = {
    no: req.body.member1.no,
    name: req.body.member1.name,
    desc: req.body.member1.desc,
    target: req.body.member1.target
  }
  let member2 = {
    no: req.body.member2.no,
    name: req.body.member2.name,
    desc: req.body.member2.desc,
    target: req.body.member2.target
  }
  const project = new Project({
    title: req.body.title,
    code: req.body.code,
    leader: req.body.leader,
    member1: member1,
    member2: member2
  })
})

或者，您可以在发出请求之前在前端创建此类对象，然后立即使用req.body.member1。

【讨论】：