Warning: file_get_contents(/data/phpspider/zhask/data//catemap/2/node.js/33.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181

Warning: file_get_contents(/data/phpspider/zhask/data//catemap/6/mongodb/12.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
Node.js 需要为类别和子类别创建api(-使用反向关系)_Node.js_Mongodb_Express_Mongoose - Fatal编程技术网

Node.js 需要为类别和子类别创建api(-使用反向关系)

Node.js 需要为类别和子类别创建api(-使用反向关系),node.js,mongodb,express,mongoose,Node.js,Mongodb,Express,Mongoose,我正在创建一个api,该api应使用其各自的子类别调用该类别 像这样 category { name, subCategory[ { name }, { name } ] },... 这是我的分类模型 const categorySchema = mongoose.Schema({ _id:mong

我正在创建一个api,该api应使用其各自的子类别调用该类别 像这样

category 
     {
      name,
      subCategory[
          {
              name
          },
          {
              name
          }
      ]
     },...
这是我的分类模型

const categorySchema = mongoose.Schema({
  _id:mongoose.Schema.Types.ObjectId,
  name:{
    type:String,
    unique : true,
    required : true
  }
});
这是我的子类别模型

const subCategorySchema = mongoose.Schema({
  _id:mongoose.Schema.Types.ObjectId,
  category:{
    type : mongoose.Schema.Types.ObjectId,
    ref : 'Category',
    require : true
  },
  name:{
    type:String,
    unique:true,
    required:true
  }
});

你的问题是什么?你什么都没问。我想把结果作为带有列表子类别的类别