【解决方案】C#中使用Newtonsoft创建JSON字符串

在很多涉及到网络通讯的地方,往往会用到JSON,初次接触这个东西,真的很令人头痛。不过有了Newtonsoft,这一切就变得出奇地简单:

1、创建一个JSON

String apiClass = "apiClass";
String apiCommand = "apiCommand";
String apiJsonParam = "apiJsonParam";

JObject postedJObject = new JObject();
postedJObject.Add("class", apiClass);
postedJObject.Add("cmd", apiCommand);
postedJObject.Add("param", apiJsonParam);
String paramString = postedJObject.ToString(Newtonsoft.Json.Formatting.None, null);

是不是很简单?
那么paramString 的结果是什么呢?

{"class":"apiClass","cmd":"apiCommand","param":"apiJsonParam"}

格式化一下

{
	"class": "apiClass",
	"cmd": "apiCommand",
	"param": "apiJsonParam"
}

2、再创建一个嵌套的

String apiClass = "apiClass";
String apiCommand = "apiCommand";

JObject postedJObject = new JObject();
postedJObject.Add("class", apiClass);
postedJObject.Add("cmd", apiCommand);

String param1 = "param1";
String param2 = "param2";
JObject apiJsonParam = new JObject();
apiJsonParam.Add("param1", param1);
apiJsonParam.Add("param2", param2);

postedJObject.Add("param", apiJsonParam);
String paramString = postedJObject.ToString(Newtonsoft.Json.Formatting.None, null);

格式化的字符串呢?

{
  "class": "apiClass",
  "cmd": "apiCommand",
  "param": {
    "param1": "param1",
    "param2": "param2"
  }
}

3、再来一个添加了数组的

String apiClass = "apiClass";
String apiCommand = "apiCommand";

JObject postedJObject = new JObject();
postedJObject.Add("class", apiClass);
postedJObject.Add("cmd", apiCommand);

String param1 = "param1";
String param2 = "param2";
JObject apiJsonParam = new JObject();
apiJsonParam.Add("param1", param1);
apiJsonParam.Add("param2", param2);

postedJObject.Add("param", apiJsonParam);

JArray jArray = new JArray();

JObject arr1 = new JObject();
arr1.Add("arr1", "this is arr1");
jArray.Add(arr1);

JObject arr2 = new JObject();
arr2.Add("arr2", "this is arr2");
jArray.Add(arr2);

postedJObject.Add("jarray", jArray);
String paramString = postedJObject.ToString(Newtonsoft.Json.Formatting.Indented, null);

那么JSON字符串又是怎么样呢?

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

是不是很简单?

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