swift ios中json响应中的if条件

let jsonResponse = """
{
    "user": {
        "name": "John Doe",
        "age": 30,
        "isVerified": true
    }
}
"""

if let data = jsonResponse.data(using: .utf8) {
    do {
        if let json = try JSONSerialization.jsonObject(with: data, options: []) as? [String: Any],
           let user = json["user"] as? [String: Any],
           let name = user["name"] as? String,
           let age = user["age"] as? Int,
           let isVerified = user["isVerified"] as? Bool {
            
            print("User name: \(name)")
            print("User age: \(age)")
            print("Is user verified: \(isVerified)")
        } else {
            print("Invalid JSON format for user data.")
        }
    } catch {
        print("Failed to parse JSON: \(error)")
    }
}

if let user = json["user"] as? [String: Any],
   let name = user["name"] as? String {
    // 安全地使用name变量
} else {
    // 处理name字段不存在或类型不匹配的情况
}