using Newtonsoft.Json; using Newtonsoft.Json.Converters; using Newtonsoft.Json.Linq; using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Linq; using System.Reflection; using System.Text; using System.Threading.Tasks; namespace WCS_Client { /// /// 扩展.json序列反序列化 /// public static partial class Extensions { /// /// 转成json对象 /// /// json字串 /// public static object ToJson(this string Json) { return Json == null ? null : JsonConvert.DeserializeObject(Json); } /// /// 转成json字串 /// /// 对象 /// public static string ToJson(this object obj) { var timeConverter = new IsoDateTimeConverter { DateTimeFormat = "yyyy-MM-dd HH:mm:ss" }; return JsonConvert.SerializeObject(obj, timeConverter); } /// /// 转成json字串 /// /// 对象 /// 时间格式化 /// public static string ToJson(this object obj, string datetimeformats) { var timeConverter = new IsoDateTimeConverter { DateTimeFormat = datetimeformats }; return JsonConvert.SerializeObject(obj, timeConverter); } /// /// 字串反序列化成指定对象实体 /// /// 实体类型 /// 字串 /// public static T ToObject(this string Json) { return Json == null ? default(T) : JsonConvert.DeserializeObject(Json); } /// /// 字串反序列化成指定对象实体(列表) /// /// 实体类型 /// 字串 /// public static List ToList(this string Json) { return Json == null ? null : JsonConvert.DeserializeObject>(Json); } /// /// 字串反序列化成DataTable /// /// 字串 /// public static DataTable ToTable(this string Json) { return Json == null ? null : JsonConvert.DeserializeObject(Json); } /// /// 字串反序列化成linq对象 /// /// 字串 /// public static JObject ToJObject(this string Json) { return Json == null ? JObject.Parse("{}") : JObject.Parse(Json.Replace(" ", "")); } public static DataTable GetAttributesDataTable(this object obj) { var tb = new DataTable(obj.GetType().Name); tb.Columns.Add("信号说明", typeof(string)); tb.Columns.Add("信号名称", typeof(string)); tb.Columns.Add("信号值", typeof(string)); Type t = obj.GetType(); //属性遍历 foreach (System.Reflection.PropertyInfo pi in t.GetProperties()) { AttributeCollection attributes = TypeDescriptor.GetProperties(t)[pi.Name].Attributes; DescriptionAttribute myAttribute = (DescriptionAttribute)attributes[typeof(DescriptionAttribute)]; string describle = myAttribute.Description; string proname = pi.Name; var abc = pi.GetValue(obj, null); var values = new object[3]; values[0] = describle; values[1] = proname; values[2] = abc; tb.Rows.Add(values); } return tb; } /// /// 扩展方法,获得枚举的Description /// /// 枚举值 /// 当枚举值没有定义DescriptionAttribute,是否使用枚举名代替,默认是使用 /// 枚举的Description public static string GetDescription(this Enum value, Boolean nameInstead = true) { Type type = value.GetType(); string name = Enum.GetName(type, value); if (name == null) { return null; } FieldInfo field = type.GetField(name); DescriptionAttribute attribute = System.Attribute.GetCustomAttribute(field, typeof(DescriptionAttribute)) as DescriptionAttribute; if (attribute == null && nameInstead == true) { return name; } return attribute?.Description; } } }