如何从 NSDictionary 获取关键数据 swift 4

Question

我想从 NSDictionary 得到结果我从网络服务得到这个 NSDictionary 现在我想得到结果 .

我需要这个值"Your request is unsuccessfull. Please "

我试过这个 let ft = resultsm.value(forKeyPath: "Body.QR_FundTransferResponse.QR_FundTransferResult") as! String 但是存储数据并为所有请求打印相同的值

let result:NSDictionary = dict! as NSDictionary 

The output is : 

  Body =     {
    "QR_FundTransferResponse" =         {
        "QR_FundTransferResult" = "Your request is unsuccessfull. 
       Please ";
          };
    };

Answer 1

假设你在一个函数中得到了这个并且结果是 [String: Any] 类型（例如字典）：

guard let body = result["body"] as? [String: Any] else {
    // Failed to find body, return empty string
    return ""
}
guard let response = body["QR_FundTransferResponse"] as? [String: Any] else {
    return ""
}
guard let result = response["QR_FundTransferResult"] as? String else {
    return ""
}
// Now have "Your request is unsuccessful. Please "
return result

推荐您查看Codable。

如何从 NSDictionary 获取关键数据 swift 4

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