SWIFT 中带有自定义参数的发布请求

Posted 2023-02-24

【中文标题】SWIFT 中带有自定义参数的发布请求

【英文标题】：A post request with custom parameters in SWIFT

【发布时间】：2015-08-13 09:19:42

【问题描述】：

我在使用 Alamofire 发布请求时遇到问题，如果我有如下参数：

let parameters = [
    "foo": "bar",
    "baz": ["a", 1],
    "qux": [
        [["x": 1],["y": 2]],
        [["x": 1],["y": 2]],
        [["x": 1],["y": 2]]
    ]
]

Alamofire.request(.POST, "http://httpbin.org/post", parameters: parameters)

发布请求不起作用！你知道如何解决这个问题吗？

【问题讨论】：

你的意思是 "baz" : ["a" : 1] ??

【参考方案1】：

您不能将该结构以编码在 http 请求正文中的形式发送。也许您想将其作为 json 发送。在这种情况下，您可以像这样调用请求方法：

Alamofire.request(.POST, "http://httpbin.org/post", parameters: parameters, encoding: .JSON)

【参考方案2】：

这种变体有效

let parameters = [
            "foo": "bar",
            "baz": ["a", 1],
            "qux": [
                [["x": 1],["y": 2]],
                [["x": 1],["y": 2]],
                [["x": 1],["y": 2]]
            ]
        ]
        let data = NSJSONSerialization.dataWithJSONObject(parameters, options: NSJSONWritingOptions.PrettyPrinted,error:nil)

        let post = NSString(data: data!, encoding: NSUTF8StringEncoding) as! String

        httpPost("http://httpbin.org/post", postData: post)res, code in
            println(res)
        

//将功能代码放在您发布数据的操作上方

 func httpPost(url:String, postData: String, completion: (String, Int) -> Void) 

            var request = NSMutableURLRequest(URL: NSURL(string: url)!)

            request.HTTPMethod = "POST"

        request.HTTPBody = postData.dataUsingEncoding(NSUTF8StringEncoding);

        request.addValue("application/x-www-form-urlencoded", forHTTPHeaderField: "Content-Type")
        request.addValue("Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (Khtml, like Gecko) Chrome/44.0.2403.125 Safari/537.36", forHTTPHeaderField: "User-Agent")
        request.addValue("text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8", forHTTPHeaderField: "Accept")
        request.addValue("gzip, deflate, sdch", forHTTPHeaderField: "Accept-Encoding")
        request.addValue("max-age=0", forHTTPHeaderField: "Cache-Control")

        var session = NSURLSession.sharedSession()

        let task = session.dataTaskWithRequest(request, completionHandler:  data, response, error in
            if let HTTPResponse = response as? NSHTTPURLResponse 
                let statusCode = HTTPResponse.statusCode

            completion(NSString(data: data, encoding: NSUTF8StringEncoding) as! String, statusCode)
            
        )

        task.resume()