小编elv*_*vin的帖子

ProductCollection: 
{
  _id: { ObjectId('x1')},
  products: [ 
              { listPrice: '1.90', product: {id: 'xxx1'} },
              { listPrice: '3.90', product: {id: 'xxx2'} },
              { listPrice: '5.90', product: {id: 'xxx3'} }
            ]
},
{
  _id: { ObjectId('x2')},
  products: [ 
              { listPrice: '2.90', product: {id: 'xxx4'} },
              { listPrice: '4.90', product: {id: 'xxx5'} },
              { listPrice: '5.90', product: {id: 'xxx6'} }
            ]
},

我想从集合 (x1) 中删除子文档 (xxx3)，然后尝试以下操作：

ProductCollection.update(
{ 
  "_id": mongoose.Types.ObjectId('x1')  
}, 
{ 
  $pull : { 'products.product': {id: 'xxx3' } } 
} 

这似乎不起作用。谁能帮帮我吗？谢谢