src/YL.Utils/Extensions/ExpandoObjectExt.cs

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using System;
using System.Collections.Generic;
using System.Data;
using System.Dynamic;
using System.Linq;

namespace YL.Utils.Extensions
{
    public static class ExpandoObjectExt
    {
        /// <summary>
        /// 添加属性
        /// </summary>
        /// <param name="expandoObj">动态对象</param>
        /// <param name="propertyName">属性名</param>
        /// <param name="value">属性值</param>
        public static void AddProperty(this ExpandoObject expandoObj, string propertyName, object value)
        {
            var obj = (IDictionary<string, object>)expandoObj;
            if (obj.ContainsKey(propertyName))
                throw new Exception("已存在该属性！");
            else
                obj.Add(propertyName, value);
        }

        /// <summary>
        /// 设置属性
        /// </summary>
        /// <param name="expandoObj">动态对象</param>
        /// <param name="propertyName">属性名</param>
        /// <param name="value">属性值</param>
        public static void SetProperty(this ExpandoObject expandoObj, string propertyName, object value)
        {
            var obj = (IDictionary<string, object>)expandoObj;
            if (!obj.ContainsKey(propertyName))
                obj.Add(propertyName, value);
            else
                obj[propertyName] = value;
        }

        /// <summary>
        /// 获取属性
        /// </summary>
        /// <param name="expandoObj">动态对象</param>
        /// <param name="propertyName">属性名</param>
        /// <returns></returns>
        public static object GetProperty(this ExpandoObject expandoObj, string propertyName)
        {
            var obj = (IDictionary<string, object>)expandoObj;
            if (!obj.ContainsKey(propertyName))
                throw new Exception("不存在该属性！");
            else
                return obj[propertyName];
        }

        /// <summary>
        /// 获取所有属性
        /// </summary>
        /// <param name="expandoObj">动态对象</param>
        /// <returns></returns>