Ios HTTP POST Json格式和set Alamofire

格式转换为此

["client_ID": "0", "username": "asdf@gmail.com", "grant_type": "password", "password": "12345", "client_secret": "xxxxxxxxxxxxxxxxxxxxx", "scope": "adfs.user"]

您可以尝试以下方法：

{"client_ID": "2", "username": "asdf@gmail.com", "grant_type": "password", "password": "12345", "client_secret": "xxxxxxxxxxxxxxxxxxxxx", "scope": "adfs.user"}

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问题是什么？让postString:Parameters=[“grant\u type”：grant\u type，“client\u ID”：client\u ID，“client\u secret”：client\u secret，“username”：emailString，“password”：passwordString，“scope”：ROLE]很抱歉，我们没有理解这个问题。你到底想达到什么目的？您正在尝试将

字典

转换为JSON字符串吗？Alamofire可以在发送数据时将Swift字典转换为JSON字典。你试过什么吗？在lib的自述中，有示例、解释等。

let params: Parameters = [ "grant_type" : GRANT_TYPE ,"client_ID" : CLIENT_ID ,"client_secret" : CLIENT_SECRET,"username" : emailString, "password" : passwordString,"scope" : ROLE] 
let req = Alamofire.request(url, method: .post, parameters: params, encoding:JSONEncoding.default , headers: nil).validate().responseJSON { (response) in

})