As you design your web API, it is useful to test how your data objects will be serialized. You can do this without creating a controller or invoking a controller action.
在设计Web API时，对如何序列化对象进行测试是有用的。不必创建控制器或调用控制器动作，便可做这种事。

string Serialize<T>(MediaTypeFormatter formatter, T value) { // Create a dummy HTTP Content. // 创建一个HTTP内容的哑元 Stream stream = new MemoryStream(); var content = new StreamContent(stream);
// Serialize the object. // 序列化对象 formatter.WriteToStreamAsync(typeof(T), value, stream, content.Headers, null).Wait();
// Read the serialized string. // 读取序列化的字符串 stream.Position = 0; return content.ReadAsStringAsync().Result; }
T Deserialize<T>(MediaTypeFormatter formatter, string str) where T : class { // Write the serialized string to a memory stream. // 将序列化的字符器写入内在流 Stream stream = new MemoryStream(); StreamWriter writer = new StreamWriter(stream); writer.Write(str); writer.Flush(); stream.Position = 0;
// Deserialize to an object of type T // 解序列化成类型为T的对象 return formatter.ReadFromStreamAsync(typeof(T), stream, null, null).Result as T; }
// Example of use // 使用示例（用例） void TestSerialization() { var value = new Person() { Name = "Alice", Age = 23 };
var xml = new XmlMediaTypeFormatter(); string str = Serialize(xml, value);
var json = new JsonMediaTypeFormatter(); str = Serialize(json, value);
// Round trip // 反向操作（解序列化） Person person2 = Deserialize<Person>(json, str); }

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