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JSON Serialization/Deserialization in C# - 简书

 4 years ago
source link: https://www.jianshu.com/p/5dcd0d7b2264?
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JSON Serialization/Deserialization in C#

2020.03.15 14:18:53字数 208阅读 66

因为对C#不是特别熟悉，但是最近写个c#的demo，需要对获取的的json字符串进行解析，其实Newtonsoft.Json也可以达到效果，具体方法请见评论。

另外了解到System.Web.Script.Serialization支持想要的功能（http://procbits.com/2011/04/21/quick-json-serializationdeserialization-in-c）

首先，在工程中增加引用：System.Web.Extensions

针对比较简单的JSON String

{
    "some_number": 108.541, 
    "date_time": "2011-04-13T15:34:09Z", 
    "serial_number": "SN1234"
}

你可以用如下方式将它解析为一个Dictionary ：

using System.Web.Script.Serialization;

var jss = new JavaScriptSerializer();
var dict = jss.Deserialize<Dictionary<string,string>>(jsonText);
Console.WriteLine(dict["some_number"]); //outputs 108.541

针对比较复杂的JSON String

{
    "some_number": 108.541, 
    "date_time": "2011-04-13T15:34:09Z", 
    "serial_number": "SN1234"
    "more_data": {
        "field1": 1.0
        "field2": "hello"   
    }
}

解析方式如下：

using System.Web.Script.Serialization;

var jss = new JavaScriptSerializer();
var dict = jss.Deserialize<Dictionary<string,dynamic>>(jsonText);

Console.WriteLine(dict["some_number"]); //outputs 108.541
Console.WriteLine(dict["more_data"]["field2"]); //outputs hello

其中more_data字段被解析成一个Dictionary
另外，还可以使用另一种方式：

using System.Web.Script.Serialization;

var jss = new JavaScriptSerializer();
var dict = jss.Deserialize<dynamic>(jsonText);

Console.WriteLine(dict["some_number"]); //outputs 108.541
Console.WriteLine(dict["more_data"]["field2"]); //outputs hello

另外，Serialization 同样比较简单

using System.Web.Script.Serialization;

var jss = new JavaScriptSerializer();
var dict = jss.Deserialize<dynamic>(jsonText);

var json = jss.Serialize(dict);
Console.WriteLine(json)

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