c#添加Newtonsoft.Json包的操作

Install-Package Newtonsoft.Json

PM> Install-Package Newtonsoft.Json

 GET https://api.nuget.org/v3-flatcontainer/newtonsoft.json/11.0.2/newtonsoft.json.11.0.2.nupkg
 OK https://api.nuget.org/v3-flatcontainer/newtonsoft.json/11.0.2/newtonsoft.json.11.0.2.nupkg 98 毫秒

{
 "class": "apiClass",
 "cmd": "apiCommand",
 "param": {
 "param1": "param1",
 "param2": "param2"
 },
 "jarray": [
 {
  "arr1": "this is arr1"
 },
 {
  "arr1": "this is arr2"
 }
 ]
}

JObject jObject = JObject.Parse(JSON字符串);
String cmd=jObject["cmd"].ToString();

JObject jObject = JObject.Parse(JSON字符串);
String param1=jObject["param"]["param1"].ToString();

JObject jObject = JObject.Parse(JSON字符串);
String arr1=jObject["jarray"][1]["arr1"].ToString();

JObject jObject = JObject.Parse(JSON字符串);
JArray jArray=JArray.Parse(jObject["jarray"].ToString());
foreach(var arr in jArray)
{
 JObject jObj = JObject.Parse(arr.ToString());
 String arr1=jObj["arr1"].ToString();
}

JObject jObject = JObject.Parse(JSON字符串);
if (jObject.Property("我的Key") != null)
{
 String 我的Key= jObject["我的Key"].ToString();
}
else
{
 //我的Key不存在
}