我正在尝试向需要此格式的API发送请求:
{
"inputs": [
{
"data": {
"image": {
"base64": "iVBORw0KGgoAAAIVnFT/DPAAAAAElFTkSuQmCC..."
}
}
}
]
}
这是我在Swift 3:
中尝试的let base64 = ["base64": "1010101..."]
let image: [String: Any] = ["image": base64]
let data: [String: Any] = ["data": image]
var input = [Dictionary<String, Any>]()
input = [data]
let jsonData = try! JSONSerialization.data(withJSONObject: input, options: .prettyPrinted)
试图碰到端点时,我遇到了无效的请求错误。毫不奇怪 - 当我打印它时:
let jsonString = try! JSONSerialization.jsonObject(with: jsonData, options: [])
print(jsonString)
它产生了这样的字符串:
(
{
data = {
image = {
base64 = 1010101;
};
};
}
)
目前,我正在滚动自己的字符串。它有效...但是这很丑
let imageAsString = "{"inputs": [{"data": {"image": {"base64": "(strBase64)"}}}]}"
我的另一个想法是,我可以创建一系列嵌入式对象:包含字典的数据对象;保存数据对象的图像对象;以及容纳数据对象数组的输入对象。
class Image {
var base64 = Dictionary<String, String>()
}
class Data {
var image = Image()
}
class Inputs {
var inputs = [Data]()
}
但是,将它们全部初始化并调用JSONSerialization.data
不起作用,因为这采用了字典对象。
我现在对暂时删除第三方插件并不真正感兴趣。关于如何使用本机iOS库将这些嵌套对象转换为JSON的任何想法?
绝对!在Swift 4中使用Codable
协议和JSONEncoder
将有能力:
struct ImageObj: Codable {
let base64: String
}
struct DataObj: Codable {
let image: ImageObj
}
struct InputObj: Codable {
let data: DataObj
}
struct InputsContainerObj: Codable {
let inputs: [InputObj]
}
let imageObj = ImageObj(base64: "abc123")
let dataObj = DataObj(image: imageObj)
let inputObj = InputObj(data: dataObj)
let inputsContainerObj = InputsContainerObj(inputs: [inputObj])
let encoder = JSONEncoder()
do {
let jsonData = try encoder.encode(inputsContainerObj)
let jsonString = String(data: jsonData, encoding: .utf8)!
print(jsonString) //{"inputs":[{"data":{"image":{"base64":"abc123"}}}]}
} catch _ as NSError {
}
如果Swift 3是您的唯一选择,那么您将必须使JSONSerialization.data
工作:
let dict = ["inputs": [["data": ["image": ["base64": "abc123"]]]]]
do {
let jsonData = try JSONSerialization.data(withJSONObject: dict, options: .prettyPrinted)
let jsonString = String(data: jsonData, encoding: .utf8)!
print(jsonString)
/*
{
"inputs" : [
{
"data" : {
"image" : {
"base64" : "abc123"
}
}
}
]
}
*/
} catch _ as NSError {
}