如何在Vapor 3中将字典元素分配给JSON对象？

import Vapor

struct User: Content {
    var name: String
    var age: Int
}

import Vapor

func createUserHandler(_ req: Request) throws -> Future<HTTPStatus> {
    return try req.content.decode(User.self).map { user in
        // 在这里可以访问解码后的User对象
        print(user.name)
        print(user.age)
        return .ok
    }
}

import Vapor

func createJSONHandler(_ req: Request) throws -> Future<HTTPStatus> {
    let dictionary: [String: Any] = ["name": "John", "age": 25]
    let encoder = DictionaryEncoder()
    let jsonData = try encoder.encode(dictionary)
    
    return try jsonData.content.decode(User.self).map { user in
        // 在这里可以访问解码后的User对象
        print(user.name)
        print(user.age)
        return .ok
    }
}