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;
}
}
}