摘要： 网上大多都是JsonWriter writer = new JsonWriter(sw) 这样VS报无法创建抽象类或接口“Newtonsoft.Json.JsonWriter”的实例版本Newtonsoft4.5改为以下 StringWriter sw = new StringWriter(); using (JsonWriter writer = new JsonTextWriter(sw)) { writer.Formatting = Formatting.Indented; writ... 阅读全文