.net HttpClient 回传实体帮助类

  1     public class HttpClientHelper<T>
  2     {
  3         /// <summary>
  4         /// Get请求  返回实体
  5         /// </summary>
  6         /// <param name="url"></param>
  7         /// <param name="t"></param>
  8         /// <returns></returns>
  9         public static T Get(string url, T t)
 10         {
 11             HttpClient client = new HttpClient();
 12             client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
 13             var result = client.GetAsync(url).Result;
 14             if (result.IsSuccessStatusCode)
 15             {
 16                 string re = result.Content.ReadAsStringAsync().Result;
 17                 var jo = JObject.Parse(re);
 18                 JSchema schema = JSchema.Parse(JsonConvert.SerializeObject(t));
 19                 if (jo.IsValid(schema))
 20                 {
 21                     var m = JsonConvert.DeserializeObject<T>(re);
 22                     return m;
 23                 }
 24                 else
 25                 {
 26                     return default(T);
 27                 }
 28             }
 29             else
 30             {
 31                 return default(T);
 32             }
 33         }
 34 
 35         /// <summary>
 36         /// Get请求  返回string
 37         /// </summary>
 38         /// <param name="url"></param>
 39         /// <param name="t"></param>
 40         /// <returns></returns>
 41         public static string Get(string url)
 42         {
 43             HttpClient client = new HttpClient();
 44             client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
 45             var result = client.GetAsync(url).Result;
 46             if (result.IsSuccessStatusCode)
 47             {
 48                 string re = result.Content.ReadAsStringAsync().Result;
 49                 return re;
 50             }
 51             else
 52             {
 53                 return "";
 54             }
 55         }
 56 
 57         /// <summary>
 58         /// Post请求  返回实体
 59         /// </summary>
 60         /// <param name="url"></param>
 61         /// <param name="t"></param>
 62         /// <returns></returns>
 63         public static T Post(string url, T t, string json = null)
 64         {
 65             var client = new HttpClient();
 66           
 67             var postContent = new StringContent(json, UTF8Encoding.UTF8, "application/json");
 68              var   result = client.PostAsync(url, postContent).Result;
 69             if (result.IsSuccessStatusCode)
 70             {
 71                 string re = result.Content.ReadAsStringAsync().Result;
 72                 var jo = JObject.Parse(re);
 73                 JSchema schema = JSchema.Parse(JsonConvert.SerializeObject(t));
 74                 if (jo.IsValid(schema))
 75                 {
 76                     var m = JsonConvert.DeserializeObject<T>(re);
 77                     return m;
 78                 }
 79                 else
 80                 {
 81                     return default(T);
 82                 }
 83             }
 84             return default(T);
 85         }
 86 
 87         /// <summary>
 88         /// Post请求  返回string
 89         /// </summary>
 90         /// <param name="url"></param>
 91         /// <param name="t"></param>
 92         /// <returns></returns>
 93         public static string Post(string url, string json =null)
 94         {
 95             var client = new HttpClient();
 96             var postContent = new StringContent(json, UTF8Encoding.UTF8, "application/json");
 97             var result = client.PostAsync(url, postContent).Result;
 98             if (result.IsSuccessStatusCode)
 99             {
100                 return result.Content.ReadAsStringAsync().Result;
101             }
102             return null;
103         }
104 
105     }