ios - 在swift中使用json发送参数

Question

我正在尝试在我的代码中使用 webapi。我的 JSON 服务有 odata 过滤。但是，当我尝试将我的链接发送到我的 JSON 序列化程序时，我在 myURL2 收到“nil”响应。但是，如果我不带参数发送它就可以正常工作。你有什么建议吗？如何在我的代码中使用 ODATA？

        let link = "https://apiservices.domain.com/api/Events?$filter=EventDate gt datetime'2018-02-01' and EventDate lt datetime'2018-02-15'"

        let myURL2 = NSURL(string: link)
        let request2 = NSMutableURLRequest(url: myURL2 as! URL)
        request2.httpMethod = "GET"


        request2.addValue("Bearer "+tokenNewId, forHTTPHeaderField: "Authorization")
        request2.setValue("application/x-www-form-urlencoded", forHTTPHeaderField: "content-type")
        request2.setValue("application/json", forHTTPHeaderField: "Accept")

        let task2 = URLSession.shared.dataTask(with: request2 as URLRequest) {(data2, response2, error2) -> Void in
            if let unwrappedData2 = data2 {
                do {
                    guard let records = try? JSONSerialization.jsonObject(with: unwrappedData2, options: .mutableContainers) as? [[String: Any]] else {
                        return
                    }
           }

Answer 1

试试这个:

let urlwithPercentEscapes = link.addingPercentEncoding( 
withAllowedCharacters: .urlQueryAllowed)
let myURL2 = NSURL(string: urlwithPercentEscapes!)