C# 读取json文件并使用json.NET进行更改
JSON对我来说真的很新鲜。如何使用JSON.NET将键值对添加到已创建的JSON文件中 看起来是这样的:C# 读取json文件并使用json.NET进行更改,c#,json,winforms,json.net,C#,Json,Winforms,Json.net,JSON对我来说真的很新鲜。如何使用JSON.NET将键值对添加到已创建的JSON文件中 看起来是这样的: { "data": { "subData1": { "key1":"value1", "key2":"value2", "key3":"value3" }, "subdata2": { "key4":"value4", "key5":"value5", "key6":"v
{
"data": {
"subData1": {
"key1":"value1",
"key2":"value2",
"key3":"value3"
},
"subdata2": {
"key4":"value4",
"key5":"value5",
"key6":"value6"
}
}
"key7":"value7",
"key8":"value8"
}
例如,我想将其更改为以下内容:
{
"data": {
"subData1": {
"key1":"value1",
"key2":"value2",
"key3":"value3"
},
"subdata2": {
"key4":"value4",
"key5":"value5",
"key6":"value6"
},
"newSubData": {
"myKey1":"myVal1",
"myKey2":"myVal2",
"myKey3":"myVal3"
}
}
"key7":"anotherValChangeByMe",
"key8":"value8"
}
我是否需要将整个JSON文件读入动态文件,然后以某种方式更改/添加我需要的内容?JSON最终只是一个字符串。如果您在服务器端工作,那么除非您想自己解析JSON,否则最简单的方法是使用JSON.NET将其反序列化回其本机对象模型。当然,您也可以使用
JSON.parse()
在客户端执行此操作,并在那里添加值。JSON最终只是一个字符串。如果您在服务器端工作,那么除非您想自己解析JSON,否则最简单的方法是使用JSON.NET将其反序列化回其本机对象模型。当然,您也可以使用JSON.parse()
在客户端执行此操作,并在那里添加值。您可以将JSON解析为JObject
,通过API对其进行操作,然后从JObject
获取更新的JSON字符串
例如:
string json = @"
{
""data"": {
""subData1"": {
""key1"": ""value1"",
""key2"": ""value2"",
""key3"": ""value3""
},
""subdata2"": {
""key4"": ""value4"",
""key5"": ""value5"",
""key6"": ""value6""
}
},
""key7"": ""value7"",
""key8"": ""value8""
}";
JObject root = JObject.Parse(json);
JObject data = (JObject)root["data"];
JObject newSubData = new JObject();
newSubData.Add("myKey1", "myValue1");
newSubData.Add("myKey2", "myValue2");
newSubData.Add("myKey3", "myValue3");
data.Add("newSubData", newSubData);
root["key7"] = "anotherValChangeByMe";
Console.WriteLine(root.ToString());
输出:
{
"data": {
"subData1": {
"key1": "value1",
"key2": "value2",
"key3": "value3"
},
"subdata2": {
"key4": "value4",
"key5": "value5",
"key6": "value6"
},
"newSubData": {
"myKey1": "myValue1",
"myKey2": "myValue2",
"myKey3": "myValue3"
}
},
"key7": "anotherValChangeByMe",
"key8": "value8"
}
您可以将JSON解析为一个
JObject
,通过API对其进行操作,然后从JObject
获取更新的JSON字符串
例如:
string json = @"
{
""data"": {
""subData1"": {
""key1"": ""value1"",
""key2"": ""value2"",
""key3"": ""value3""
},
""subdata2"": {
""key4"": ""value4"",
""key5"": ""value5"",
""key6"": ""value6""
}
},
""key7"": ""value7"",
""key8"": ""value8""
}";
JObject root = JObject.Parse(json);
JObject data = (JObject)root["data"];
JObject newSubData = new JObject();
newSubData.Add("myKey1", "myValue1");
newSubData.Add("myKey2", "myValue2");
newSubData.Add("myKey3", "myValue3");
data.Add("newSubData", newSubData);
root["key7"] = "anotherValChangeByMe";
Console.WriteLine(root.ToString());
输出:
{
"data": {
"subData1": {
"key1": "value1",
"key2": "value2",
"key3": "value3"
},
"subdata2": {
"key4": "value4",
"key5": "value5",
"key6": "value6"
},
"newSubData": {
"myKey1": "myValue1",
"myKey2": "myValue2",
"myKey3": "myValue3"
}
},
"key7": "anotherValChangeByMe",
"key8": "value8"
}
将json反序列化到模型对象。向对象添加值并将其序列化回json,json.NET是一个库,它实际上允许非常轻松地完成此操作。将json反序列化到您的模型对象。向对象添加值并将其序列化回json,json.NET是一个库,它实际上允许非常轻松地完成此操作。