基于dynamic，动态给强类型Model扩展属性

直接上代码

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
            List<TestModel> testList = new List<TestModel>();
            testList.Add(new TestModel { Id = 1, Name = "A" });
            testList.Add(new TestModel { Id = 2, Name = "B" });
            testList.Add(new TestModel { Id = 3, Name = "C" });
 
            List<dynamic> test = new List<dynamic>();
            foreach (var item in testList)
            {
                dynamic dobj = new System.Dynamic.ExpandoObject();
                var dic = (IDictionary<string, object>)dobj;
 
                var t = item.GetType();
                var properties = t.GetProperties();
                // 循环赋值原Model中的值
                foreach (var propertyInfo in properties)
                {
                    var propertyName = propertyInfo.Name;
                    dic[propertyName] = propertyInfo.GetValue(item);
                }
 
                // 动态扩展属性
                dic["Age"] = 3;
 
                test.Add(dic);
            }

  示例Model [ […]

asp.net获取IP

1
2
3
4
5
6
7
8
9
10
11
12
        /// <summary>
        /// get ip
        /// </summary>
        /// <returns></returns>
        public static string GetIp()
        {
            var context = HttpContext.Current;
            return context.Request.ServerVariables["HTTP_X_REAL_IP"]
                   ?? context.Request.ServerVariables["HTTP_X_FORWARDED_FOR"]
                   ?? context.Request.ServerVariables["REMOTE_ADDR"]
                   ?? "unknow";
        }

 

C#WebAPI返回json去掉双引号前面的反斜杠

1
2
3
string str="{\"msgType\":1001,\"msgstring\":\"信息\"}";//这里是你的json带有反斜杠的
HttpResponseMessage result = new HttpResponseMessage { Content = new StringContent(str, Encoding.GetEncoding("UTF-8"), "application/json") };//这里是去掉反斜杠再放回出去，json就只剩下双引号。
return result;

  from:https://ww […]