在Swift中将JsonString int值转换为字符串

Question

{
 "value" : 1234,
 "value2" : 123456
}

convert it to

{
 "value" : "123456",
 "value2" : "123456"
}

I am using ObjectMapper class , my aim is to parseJSON to Mapper class . But now the response has changed due to certain need. Initially all the values were in string but now values are in other types. So is it better to make changes in whole application or there is some way that i could convert all the values to string type in a complex json.

thanks.

Answer 1

You can use Transform :

/// A transform which converts JSON to `String`.
///
/// - warning: It doesn't gaurantee the original type when convert `String` to JSON.
struct StringTransform: TransformType {

  func transformFromJSON(_ value: Any?) -> String? {
    return value.flatMap(String.init(describing:))
  }

  func transformToJSON(_ value: String?) -> Any? {
    return value
  }

}

Usage:

func mapping(map: Map) {
  stringValue <- (map["value2"], StringTransform())
}