安装:
@H_502_3@ 1 .@H_502_3@解压下载文件,得到Newtonsoft.Json.dll
2.在项目中添加引用..
序列化和反序列在.net项目中:@H_502_3@
Product@H_502_3@ product = new@H_502_3@ Product@H_502_3@();
product.Name = "Apple"@H_502_3@;
product.Expiry = new@H_502_3@ DateTime@H_502_3@(2008,12,28);
product.Price = 3.99M;
product.Sizes = new@H_502_3@ string@H_502_3@[] { "Small"@H_502_3@,"Medium"@H_502_3@,"Large"@H_502_3@ };
string@H_502_3@ output = javascriptConvert@H_502_3@.SerializeObject(product);
//{@H_502_3@
// "Name": "Apple",@H_502_3@
// "Expiry": new Date(1230422400000),@H_502_3@
// "Price": 3.99,@H_502_3@
// "Sizes": [@H_502_3@
// "Small",@H_502_3@
// "Medium",@H_502_3@
// "Large"@H_502_3@
// ]@H_502_3@
//}@H_502_3@
Product@H_502_3@ deserializedProduct = (Product@H_502_3@)javascriptConvert@H_502_3@.DeserializeObject(output,typeof@H_502_3@(Product@H_502_3@));
读取JSON
string@H_502_3@ jsonText = "['JSON!',1,true,{property:'value'}]"@H_502_3@;
JsonReader@H_502_3@ reader = new@H_502_3@ JsonReader@H_502_3@(new@H_502_3@ StringReader@H_502_3@(jsonText));
Console@H_502_3@.WriteLine("TokenType\t\tValueType\t\tValue"@H_502_3@);
while@H_502_3@ (reader.Read())
{
Console@H_502_3@.WriteLine(reader.TokenType + "\t\t"@H_502_3@ + WriteValue(reader.ValueType) + "\t\t"@H_502_3@ + 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@H_301_252@
StringWriter@H_502_3@ sw = new@H_502_3@ StringWriter@H_502_3@();
JsonWriter@H_502_3@ writer = new@H_502_3@ JsonWriter@H_502_3@(sw);
writer.WriteStartArray();
writer.WriteValue("JSON!"@H_502_3@);
writer.WriteValue(1);
writer.WriteValue(true@H_502_3@);
writer.WriteStartObject();
writer.WritePropertyName("property"@H_502_3@);
writer.WriteValue("value"@H_502_3@);
writer.WriteEndObject();
writer.WriteEndArray();
writer.Flush();
string@H_502_3@ jsonText = sw.GetStringBuilder().ToString();
Console@H_502_3@.WriteLine(jsonText);
// ['JSON!',{property:'value'}]@H_502_3@
StringWriter@H_502_3@ sw = new@H_502_3@ StringWriter@H_502_3@();
JsonWriter@H_502_3@ writer = new@H_502_3@ JsonWriter@H_502_3@(sw);
writer.WriteStartArray();
writer.WriteValue("JSON!"@H_502_3@);
writer.WriteValue(1);
writer.WriteValue(true@H_502_3@);
writer.WriteStartObject();
writer.WritePropertyName("property"@H_502_3@);
writer.WriteValue("value"@H_502_3@);
writer.WriteEndObject();
writer.WriteEndArray();
writer.Flush();
string@H_502_3@ jsonText = sw.GetStringBuilder().ToString();
Console@H_502_3@.WriteLine(jsonText);
// ['JSON!',{property:'value'}]@H_502_3@
这里会打印出: ['JSON!',{property:'value'}]
.
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using Newtonsoft.Json; using System.IO; using Newtonsoft.Json.Linq; namespace WebApplication15 { public partial class WebForm4 : System.Web.UI.Page { protected void Page_Load(object sender,EventArgs e) { var jsonBuilder = new System.Text.StringBuilder(); using (var jsonWriter = new Newtonsoft.Json.JsonTextWriter(new System.IO.StringWriter(jsonBuilder))) { jsonWriter.WriteStartObject(); jsonWriter.WritePropertyName("status"); if (false) { jsonWriter.WriteValue(false); jsonWriter.WritePropertyName("msg"); jsonWriter.WriteValue("未知原因,请重试"); } else { jsonWriter.WriteValue(true); jsonWriter.WritePropertyName("yftest"); jsonWriter.WriteStartArray(); for (int i = 0; i < 10; i++) { jsonWriter.WriteStartObject(); jsonWriter.WritePropertyName("id"); jsonWriter.WriteValue(i); jsonWriter.WritePropertyName("name"); jsonWriter.WriteValue("test"); jsonWriter.WriteEndObject(); } jsonWriter.WriteEndArray(); } jsonWriter.WriteEndObject(); jsonWriter.Flush(); } Response.Write(jsonBuilder); //获取根status //var jsonObject = Newtonsoft.Json.Linq.JObject.Parse(jsonBuilder.ToString()); //JToken ageToken = jsonObject["status"]; //Response.Write(ageToken.ToString()); //遍历深层参数 var jsonObject = Newtonsoft.Json.Linq.JObject.Parse(jsonBuilder.ToString()); var selectToken = jsonObject.SelectTokens("yftest",false); //if (selectToken != null && selectToken is Newtonsoft.Json.Linq.JArray) //{ foreach (var item in selectToken.Children()) { JToken ageToken = item["id"]; } //} } } }