C# 将 System.Json 用于非 Silverlight 项目？
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Using System.Json for non-Silverlight projects?
提问by Patrick
Any idea on how to do it? If not possible, what's a good JSON library for C#?
关于如何做到这一点的任何想法？如果不可能，什么是 C# 好的 JSON 库？
回答by JonoW
If you're just looking for JSON encoding/decoding, there is an official System.Web extension library from Microsoft that does it, odds are you probably already have this assembly (System.Web.Extensions):
如果你只是在寻找 JSON 编码/解码，微软有一个官方的 System.Web 扩展库可以做到这一点，很可能你已经有了这个程序集（System.Web.Extensions）：
http://msdn.microsoft.com/en-us/library/system.web.script.serialization.javascriptserializer.aspx
http://msdn.microsoft.com/en-us/library/system.web.script.serialization.javascriptserializer.aspx
Example:
例子：
using System;
using System.Web.Script.Serialization;
class App
{
static void Main(string[] args = null)
{
JavaScriptSerializer jss = new JavaScriptSerializer();
String sJson = "{\"Name\": \"Your name\"}";
DesJson json = jss.Deserialize<DesJson>(sJson);
Console.WriteLine(json.Name);
}
}
class DesJson {
public string Name {get; set;}
}
回答by Paul Suart
Here's an extenstion method to serialize any object instance to JSON:
这是将任何对象实例序列化为 JSON 的扩展方法：
public static class GenericExtensions
{
public static string ToJsonString<T>(this T input)
{
string json;
DataContractJsonSerializer ser = new DataContractJsonSerializer(input.GetType());
using (MemoryStream ms = new MemoryStream())
{
ser.WriteObject(ms, input);
json = Encoding.Default.GetString(ms.ToArray());
}
return json;
}
}
You'll need to add a reference to System.ServiceModel.Web to use the DataContractSerializer.
您需要添加对 System.ServiceModel.Web 的引用才能使用 DataContractSerializer。
回答by bstoney
Scott Guthrie blogged about this
斯科特·格思里 (Scott Guthrie) 就此发表了博文
回答by Richard Fawcett
System.Jsonis now available in non-Silverlight projects via NuGet(.Net's package management system) and is hopefully going to be released as part of the core framework in vnext. The NuGet package is named JsonValue.
System.Json现在可以通过NuGet（.Net 的包管理系统）在非 Silverlight 项目中使用，并且有望作为 vnext 中核心框架的一部分发布。NuGet 包名为JsonValue。
Imagine that we have the following JSON in the string variable json:
假设我们在字符串变量中有以下 JSON json：
[{"a":"foo","b":"bar"},{"a":"another foo","b":"another bar"}]
We can get write the value "another bar" to the console using the following code:
我们可以使用以下代码将值“another bar”写入控制台：
using System.Json;
dynamic jsonObj = JsonValue.Parse(json);
var node = jsonObj[1].b;
System.Console.WriteLine(node.Value);
