在Mongoose模型中转换JSON响应字段名称

My JSON response contains a field first_name but I want my Mongoose model to represent this field as firstName. Is this possible and if so then how?

我的JSON响应包含字段first_name但我希望我的Mongoose模型将此字段表示为firstName。这是可能的，如果是这样，那怎么样？

1 个解决方案

#1

You can create a new object with different property names from the one Mongoose returns. A nice way of doing this is by creating a function that uses object deconstruction. For example, let's say this is your schema:

您可以使用一个Mongoose返回的不同属性名创建一个新对象。这样做的一个好方法是创建一个使用对象解构的函数。例如，假设这是您的架构：

{
  firstName: { type: String, required: true },
  lastName: { type: String, required: true }
}

Then you can use this function to create a new object with the desired property names:

然后，您可以使用此函数创建具有所需属性名称的新对象：

const filterDocument = ({ firstName, lastName }) => ({
    first_name: firstName,
    last_name: lastName
 })

Then, when you query the DB, you apply this function to the response:

然后，当您查询数据库时，将此函数应用于响应：

Person.findOne({ firstName: 'John', lastName: 'Smith' })
    .then(filterDocument)

#1