7. 建立 App_Start/FormatterConfig.cs
public class FormatterConfig
{
public static void RegisterFormatters(MediaTypeFormatterCollection formatters)
{
formatters.JsonFormatter.SerializerSettings = new JsonSerializerSettings
{
ContractResolver = new CamelCasePropertyNamesContractResolver()
};
// Insert the JSONP formatter in front of the standard JSON formatter.
formatters.Insert(0, new JsonpMediaTypeFormatter(formatters.JsonFormatter));
}
}