将json数据发送到单独的类并在tableView上显示

// JSON数据
let jsonData = """
{
  "users": [
    {
      "name": "John",
      "age": 25
    },
    {
      "name": "Jane",
      "age": 30
    }
  ]
}
""".data(using: .utf8)!

// 解析JSON数据
guard let json = try? JSONSerialization.jsonObject(with: jsonData, options: []) as? [String: Any],
      let users = json["users"] as? [[String: Any]] else {
    return
}

// 创建数据模型类
struct User {
    let name: String
    let age: Int
}

// 发送数据到单独的类
class DataManager {
    var users: [User] = []
    
    func processUsersData(_ usersData: [[String: Any]]) {
        for userData in usersData {
            if let name = userData["name"] as? String,
               let age = userData["age"] as? Int {
                let user = User(name: name, age: age)
                users.append(user)
            }
        }
    }
}

// 在tableView上显示数据
class TableViewController: UITableViewController {
    let dataManager = DataManager()
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        // 发送数据到单独的类
        dataManager.processUsersData(users)
        
        // 刷新tableView
        tableView.reloadData()
    }
    
    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return dataManager.users.count
    }
    
    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "Cell", for: indexPath)
        let user = dataManager.users[indexPath.row]
        cell.textLabel?.text = user.name
        cell.detailTextLabel?.text = "\(user.age) years old"
        return cell
    }
}