转移.net core 3.1，为.NET 5做准备

Infrastructure/Utilities/UriUtil.cs

@@ -0,0 +1,74 @@
+// ***********************************************************************
+// Assembly         : Infrastructure
+// Author           : yubaolee
+// Created          : 06-21-2016
+//
+// Last Modified By : yubaolee
+// Last Modified On : 06-22-2016
+// Contact : 
+// File: UriUtil.cs
+// ***********************************************************************
+
+using System;
+using System.Collections.Specialized;
+using System.Web;
+
+namespace Infrastructure.Utilities
+{
+    /// <summary>
+    /// URl帮助类
+    /// </summary>
+    public class UriUtil
+    {
+        /// <summary>
+        /// 在URL后面追加参数
+        /// </summary>
+        /// <param name="url"></param>
+        /// <param name="key"></param>
+        /// <param name="value"></param>
+        /// <returns></returns>
+        public static string GetAppendedQueryString(string url, string key, string value)
+        {
+            if (url.Contains("?"))
+            {
+                url = string.Format("{0}&{1}={2}", url, key, value);
+            }
+            else
+            {
+                url = string.Format("{0}?{1}={2}", url, key, value);
+            }
+
+            return url;
+        }
+
+        public static string RemoveParameter(string url, string key)
+        {
+
+            url = url.ToLower();
+            key = key.ToLower();
+            if (!url.Contains(key + "=")) return url;
+
+            Uri uri = new Uri(url);
+            NameValueCollection collection = HttpUtility.ParseQueryString(uri.Query);
+            if (collection.Count == 0) return url;
+
+            var val = collection[key];
+            string fragmentToRemove = string.Format("{0}={1}",key , val);
+
+            String result = url.ToLower().Replace("&" + fragmentToRemove, string.Empty).Replace("?" + fragmentToRemove, string.Empty);
+            return result;
+        }
+
+        /// <summary>
+        /// 根据URL的相对地址获取决定路径
+        /// <para>eg: /Home/About ==>http://192.168.0.1/Home/About</para>
+        /// </summary>
+        /// <returns>System.String.</returns>
+        //public static string GetAbsolutePathForRelativePath(string relativePath)
+        //{
+        //    HttpRequest Request = HttpContext.Current.Request;
+        //    string returnUrl = string.Format("{0}{1}",Request.Url.AbsoluteUri.Replace(Request.Url.PathAndQuery, string.Empty) , VirtualPathUtility.ToAbsolute(relativePath));
+        //    return returnUrl;
+        //}
+    }
+}