我正在使用RESTful API向远程服务器发出请求。我创建了一个字典,然后使用JSONSerialization将其序列化为Data。问题是序列化日期时间dd / mm / yyyy时会自动添加\字符。此问题可能是由于从Dictionary转换为Data或Data转换为String。我不确切地知道。
如何删除此\字符
以下是我在app上的代码:
var dic = [String : String]()
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "dd/MM/yyyy hh:mm:ss"
let current : String = dateFormatter.string(from: now)
dic["RequestAt"] = current
// others set key-value
do {
var request = URLRequest(url: URL(string: DOMAIN_NAME)!)
request.httpMethod = "POST"
request.timeoutInterval = 3
request.addValue("application/json charset=utf-8", forHTTPHeaderField: "Content-Type")
request.addValue("application/json charset=utf-8", forHTTPHeaderField: "Accept")
let d = try JSONSerialization.data(withJSONObject: dic, options: [])
let str = String.init(data: d, encoding: .utf8)
print(str ?? "NOTHING") // Same result as server's receive
request.httpBody = d
let session = URLSession.shared
session.dataTask(with: request) { data, response, err in
//handle callback
}.resume()
} catch let error {
print(error.localizedDescription)
}
但是服务器端接收json:
{
"RequestAt":"08\/04\/2017 11:42:03",
....
}
感谢您的支持。
答案 0 :(得分:0)
你可以通过修剪字符串解决问题。
current = current.stringByTrimmingCharactersInSet(NSCharacterSet.init(charactersInString: "\"))
答案 1 :(得分:0)
我决定使用Alamofire提出请求。它只是一个临时解决方案,因为它必须使用第三方库。
我现在做的事情:
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "dd/MM/yyyy hh:mm:ss"
let current : String = dateFormatter.string(from: now)
let parameters: Parameters = [
"RequestAt": current,
...
]
// Both calls are equivalent
Alamofire.request(DOMAIN_NAME, method: .post, parameters: parameters, encoding: JSONEncoding.default).responseJSON { response in
//handle callback
}