C# 使用 JSON.NET 库在 JArray 中查找节点 (JObject)
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Finding a node (JObject) within JArray using JSON.NET library
提问by SharpCoder
I am using JSON.NET library. I have created few JObjects and added them to a JArray.
我正在使用 JSON.NET 库。我创建了几个 JObject 并将它们添加到 JArray。
JArray array = new JArray();
JObject obj = new JObject();
obj.Add(new JProperty("text", "One"));
obj.Add(new JProperty("leaf", false));
array.Add(obj);
obj = new JObject();
obj.Add(new JProperty("text", "Two"));
obj.Add(new JProperty("leaf", false));
array.Add(obj);
obj = new JObject();
obj.Add(new JProperty("text", "Three"));
obj.Add(new JProperty("leaf", true));
array.Add(obj);
Now I want to find a JObject who's text (JProperty) is Two. How can I find a JObject within a JArray by using a JProperty.
现在我想找到一个 JObject，它的文本 (JProperty) 是Two. 如何使用 JProperty 在 JArray 中找到 JObject。
采纳答案by Brian Rogers
You can find it like this:
你可以这样找到它：
JObject jo = array.Children<JObject>()
.FirstOrDefault(o => o["text"] != null && o["text"].ToString() == "Two");
This will find the first JObjectin the JArrayhaving a property named textwith a value of Two. If no such JObjectexists, then jowill be null.
这将JObject在JArray具有以text值命名的属性中找到第一个Two。如果不JObject存在，jo则为空。
