在引用上右击 => 选择管理 Nuget 程序包 => 选择浏览 => 搜索Newtonsoft进行安装using Newtonsoft.Json;public string JsPath { get; set; } = $"{cadApp.Path}\\WIdConfigs.json";public static WeldIDModel ReadJson(string jspath){ if (File.Exists(jspath)) { string jstr = File.ReadAllText(jspath); return JsonConvert.DeserializeObject<WeldIDModel>(jstr); } return new WeldIDModel() { OutBoxCmbx = new List<string>() { "圆", "椭圆" } };}public static void WriteJson(WeldIDModel wim, string jspath){ if (File.Exists(jspath)) { if (wim.OutBoxCmbx.Count == 0) wim.OutBoxCmbx = new List<string>() { "圆", "椭圆" }; string jstr = JsonConvert.SerializeObject(wim); File.WriteAllText(jspath, jstr); }}