C# JSON to object

/// <summary>
/// json格式转换（引用System.Web.Extension类库）
/// </summary>
/// <param name="json"></param>
/// <returns></returns>
public static T ChangeJsonToModel<T>(this string json)
{
var javaScriptSerializer = new JavaScriptSerializer { MaxJsonLength = Int32.MaxValue };

var printQtyVsOrderQtyReportResult = javaScriptSerializer.Deserialize<T>(json);

return printQtyVsOrderQtyReportResult;
}