Question

var request: [String: Any] = [

    "Token": "Token",
    "Request": [
        "CityID": "CityID",
        "Filters": [
            "IsRecommendedOnly": "0",
            "IsShowRooms": "0"
        ]
    ]
]
//
print(request)

控制台输出：

["Token": "Token", "Request": ["CityID": "CityID", "Filters": ["IsRecommendedOnly": "0", "IsShowRooms": "0"]]]

在这里我想将“ IsShowRooms” 键的值从值“ 0” 更新为值“ 1” ，但尝试了不同的方法步骤，但我无法执行此操作，有人可以帮助我吗？

Answer 1

您可以通过将Any转换为类型来获取值并将其值存储回去

if var requestVal = request["Request"] as? [String: Any], var filters = requestVal["Filters"] as? [String: String] {
    filters["IsShowRooms"] = "1"
    requestVal["Filters"] = filters
    request["Request"] = requestVal
}

输出

[“令牌”：“令牌”，“请求”：[“ CityID”：“ CityID”，“过滤器”：[“ IsRecommendedOnly”：“ 0”，“ IsShowRooms”：“ 1”]]]]

OR

创建结构而不是在Dictionary中存储值。更新其属性会更容易

Answer 2

您可以按照以下方式进行操作。（迅速将字典视为值类型）

if var reqObj = request["Request"] as? [String: Any] {

  if var obj = reqObj["Filters"] as? [String: Any] {

    obj["IsShowRooms"] = "1"
    reqObj["Filters"] = obj
  }
  request["Request"] = reqObj
}
print(request)

输出

["Request": ["CityID": "CityID", "Filters": ["IsShowRooms": "1", "IsRecommendedOnly": "0"]], "Token": "Token"]

如何在iOS Swift中更新字典的值？

2 个答案: