在.NET中使用Newtonsoft.Json转换,读取,写入.

usingNewtonsoft.Json;usingNewtonsoft.Json.Converters;
//把Json字符串反序列化为对象目标对象=JavaScriptConvert.DeserializeObject(JSON字符串,typeof(目标对象));//把目标对象序列化为Json字符串

stringJson字符串=JavaScriptConvert.SerializeObject(目标对象);

1.引用Newtonsoft.Json.dll2.在项目中添加引用..序列化和反序列在.net项目中:

Productproduct=newProduct();

product.Name="Apple";

product.Expiry=newDateTime(2008,12,28);

product.Price=3.99M;

product.Sizes=newstring[]{"Small","Medium","Large"};

stringoutput=JavaScriptConvert.SerializeObject(product);

ProductdeserializedProduct=(Product)JavaScriptConvert.DeserializeObject(output,typeof(Product));

读取JSON

stringjsonText="['JSON!',1,true,{property:'value'}]";

JsonReaderreader=newJsonReader(newStringReader(jsonText));

Console.WriteLine("TokenType\t\tValueType\t\tValue");

while(reader.Read())

{

Console.WriteLine(reader.TokenType+"\t\t"+WriteValue(reader.ValueType)+"\t\t"+WriteValue(reader.Value))

}

结果显示:

TokenType	ValueType	Value
StartArray	null	null
String	System.String	JSON!
Integer	System.Int32	1
Boolean	System.Boolean	True
StartObject	null	null
PropertyName	System.String	property
String	System.String	value
EndObject	null	null
EndArray	null	null

JSON写入

StringWritersw=newStringWriter();

JsonWriterwriter=newJsonWriter(sw);

writer.WriteStartArray();

writer.WriteValue("JSON!");

writer.WriteValue(1);

writer.WriteValue(true);

writer.WriteStartObject();

writer.WritePropertyName("property");

writer.WriteValue("value");

writer.WriteEndObject();

writer.WriteEndArray();

writer.Flush();

stringjsonText=sw.GetStringBuilder().ToString();

Console.WriteLine(jsonText);

//['JSON!',1,true,{property:'value'}]

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//]]>

分类:序列化