Question

我想将类别架构嵌入到产品架构中，该类别架构实际上只是对象ID和标题。

我的类别模型：

const categorySchema = new mongoose.Schema({
  name: {
    type: String,
    required: true,
    minlength: 5,
    maxlength: 255
  }
});

const Category = mongoose.model("Category", categorySchema);

module.exports.categorySchema = categorySchema;
module.exports = Category;

产品型号：

const { categorySchema } = require("./categoryModel");

const productSchema = new mongoose.Schema({
  name: {
    type: String,
    required: true,
    minlength: 5,
    maxlenth: 255
  },
  description: {
    type: String,
    required: true,
    minlength: 5,
    maxlength: 255
  },
  price: {
    type: Number,
    required: true,
    min: 0
  },
  category: {
    type: categorySchema,
    required: true
  },
});

const Product = mongoose.model("Product", productSchema);

module.exports = Product;

我在控制台中遇到的错误是：

TypeError模式路径category.type的无效值

如果我用console.log（）退出categorySchema，则会得到以下信息：

Schema {
  obj: {
    name: {
      type: [Function: String],
      required: true,
      minlength: 5,
      maxlength: 255
    }
  },
  paths: {
    name: SchemaString {
      enumValues: [],
      regExp: null,
      path: 'name',
      instance: 'String',
      validators: [Array],
      getters: [],
      setters: [],
      options: [Object],
      _index: null,
      isRequired: true,
      requiredValidator: [Function],
      originalRequiredValue: true,
      minlengthValidator: [Function],
      maxlengthValidator: [Function],
      [Symbol(mongoose#schemaType)]: true
    },

Answer 1

代替

category: {
    type: categorySchema,
    required: true
}

使用

category : categorySchema

此外，您的导出似乎有错误。

尝试将其更改为此：

module.exports = {
    Category : Category,
    categorySchema : categorySchema
}

如何嵌入架构

1 个答案: