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2026-02-06 18:34:35 +08:00
commit f7f4c94c00
3285 changed files with 563208 additions and 0 deletions
--- a/iMES.Core/Extensions/RequestExtension.cs
+++ b/iMES.Core/Extensions/RequestExtension.cs
@@ -0,0 +1,148 @@
+using Microsoft.AspNetCore.Http;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+using iMES.Core.Enums;
+
+namespace iMES.Core.Extensions
+{
+    public static class HttpContextExtension
+    {
+
+        public static T GetService<T>(this HttpContext context) where T : class
+        {
+            return context.RequestServices.GetService(typeof(T)) as T;
+        }
+        public static string GetUserIp(this HttpContext context)
+        {
+            string realIP = null;
+            string forwarded = null;
+            string remoteIpAddress = context.Connection.RemoteIpAddress.ToString();
+            if (context.Request.Headers.ContainsKey("X-Real-IP"))
+            {
+                realIP = context.Request.Headers["X-Real-IP"].ToString();
+                if (realIP != remoteIpAddress)
+                {
+                    remoteIpAddress = realIP;
+                }
+            }
+            if (context.Request.Headers.ContainsKey("X-Forwarded-For"))
+            {
+                forwarded = context.Request.Headers["X-Forwarded-For"].ToString();
+                if (forwarded != remoteIpAddress)
+                {
+                    remoteIpAddress = forwarded;
+                }
+            }
+            return remoteIpAddress;
+        }
+
+        /// <summary>
+        /// 获取Request值
+        /// </summary>
+        /// <param name="context"></param>
+        /// <param name="parameter"></param>
+        /// <returns></returns>
+        public static string Request(this HttpContext context, string parameter)
+        {
+            try
+            {
+                if (context == null)
+                    return null;
+                if (context.Request.Method == "POST")
+                    return context.Request.Form[parameter].ToString();
+                else
+                    return context.Request.Query[parameter].ToString();
+            }
+            catch (System.Exception ex)
+            {
+                Console.Write(ex.Message + ex.InnerException);
+                return context.RequestString(parameter);
+            }
+        }
+
+        public static T Request<T>(this HttpContext context, string parameter) where T : class
+        {
+            return context.RequestString(parameter)?.DeserializeObject<T>();
+        }
+        public static string RequestString(this HttpContext context, string parameter)
+        {
+            string requestParam = context.GetRequestParameters();
+            if (string.IsNullOrEmpty(requestParam)) return null;
+            Dictionary<string, object> keyValues = requestParam.DeserializeObject<Dictionary<string, object>>();
+            if (keyValues == null || keyValues.Count == 0) return null;
+            if (keyValues.TryGetValue(parameter, out object value))
+            {
+                if (value == null) return null;
+                if (value.GetType() == typeof(string))
+                {
+                    return value?.ToString();
+                }
+                return value.Serialize();
+            }
+            return null;
+        }
+        /// <summary>
+        /// 是否为ajax请求
+        /// </summary>
+        /// <param name="request"></param>
+        /// <returns></returns>
+        public static bool IsAjaxRequest(this HttpContext context)
+        {
+            return context.Request("X-Requested-With") == "XMLHttpRequest"
+                || (context.Request.Headers != null
+                   && context.Request.Headers["X-Requested-With"] == "XMLHttpRequest");
+        }
+
+        public static UserAgent GetAgentType(this HttpContext context)
+        {
+            string agent = context.Request.Headers["User-Agent"].ToString().ToLower();
+
+            if (agent.Contains("ios") || agent.Contains("ipod") || agent.Contains("ipad"))
+            {
+                return UserAgent.IOS;
+            }
+            if (agent.Contains("windows"))
+            {
+                return UserAgent.Windows;
+            }
+            return UserAgent.Android;
+
+        }
+
+        /// <summary>
+        /// 获取请求的参数
+        /// net core 2.0已增加回读方法 context.Request.EnableRewind();
+        /// 
+        /// </summary>
+        /// <param name="context"></param>
+        /// <returns></returns>
+
+        public static string GetRequestParameters(this HttpContext context)
+        {
+            if (context.Request.Body == null || !context.Request.Body.CanRead || !context.Request.Body.CanSeek)
+                return null;
+            if (context.Request.Body.Length == 0)
+                return null;
+            if (context.Request.Body.Position > 0)
+                context.Request.Body.Position = 0;
+
+            string prarameters = null;
+            var bodyStream = context.Request.Body;
+
+            using (var buffer = new MemoryStream())
+            {
+                bodyStream.CopyToAsync(buffer);
+                buffer.Position = 0L;
+                bodyStream.Position = 0L;
+                using (var reader = new StreamReader(buffer, Encoding.UTF8))
+                {
+                    buffer.Seek(0, SeekOrigin.Begin);
+                    prarameters = reader.ReadToEnd();
+                }
+            }
+            return prarameters;
+        }
+    }
+}