using
Newtonsoft.Json;
using
Newtonsoft.Json.Converters;
//把
Json
字符串反序列化为对象
目标对象 = JsonConvert.DeserializeObject(JSON字符串,
typeof
(目标对象));
//把目标对象序列化为
Json
字符串
string Json字符串 = JsonConvert.SerializeObject(目标对象);
1
.
引用Newtonsoft.Json.dll
2.在项目中添加引用..
序列化和反序列在.net项目中:
Product product = new Product();
product.Name = "Apple";
product.Expiry = new DateTime(2008, 12, 28);
product.Price = 3.99M;
product.Sizes = new string[] { "Small", "Medium", "Large" };
string output = JsonConvert.SerializeObject(product);
// "Name": "Apple",
// "Expiry": new Date(1230422400000),
// "Price": 3.99,
// "Sizes": [
// "Small",
// "Medium",
// "Large"
// ]
Product deserializedProduct = (Product)JsonConvert.DeserializeObject(output, typeof(Product));
读取JSON
string jsonText = "['JSON!',1,true,{property:'value'}]";
JsonReader reader = new JsonReader(new StringReader(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:
TokenTypeValueTypeValue
StartArray
String
System.String
JSON!
Integer
System.Int32
Boolean
System.Boolean
StartObject
PropertyName
System.String
property
String
System.String
value
EndObject
EndArray
JSON写入
StringWriter sw = new StringWriter();
JsonWriter writer = new JsonTextWriter(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();
string jsonText = sw.GetStringBuilder().ToString();
Console.WriteLine(jsonText);
// ['JSON!',1,true,{property:'value'}]
//把datatable转换成json格式
public string GetAllCategory()
{
string result = "";
DataTable dt= catDAO.GetAllCategory();
result=JsonConvert.SerializeObject(dt, new DataTableConverter());
return result;
}
