C# json

Newtonsoft.Json.dll

 

1 object o = WebServiceHelper.doPostMethodToObj<object>("http://……………………", "{\"username\":\"" + this.tbx_account.Text.Trim() + "\",\"password\":\"" + this.tbx_pwd.Password.Trim() + "\"}");
2                 JObject jo = o as JObject;
  1 using System;
  2 using System.Web.Services.Description;
  3 using System.IO;
  4 using System.Net;
  5 using System.Text;
  6 using System.CodeDom;
  7 using System.CodeDom.Compiler;
  8 using Microsoft.CSharp;
  9 using System.Windows.Forms;
 10 using Newtonsoft.Json;
 11 
 12 namespace ConsoleApplication1
 13 {
 14    public class WebServiceHelper
 15     {
 16 
 17 
 18         // REST @GET 方法，根据泛型自动转换成实体，支持List<T>
 19         public static T doGetMethodToObj<T>(string metodUrl)
 20         {
 21             HttpWebRequest request = (HttpWebRequest)WebRequest.Create(metodUrl);
 22             request.Method = "get";
 23             request.ContentType = "application/json;charset=UTF-8";
 24             HttpWebResponse response = null;
 25             try
 26             {
 27                 response = (HttpWebResponse)request.GetResponse();
 28             }
 29             catch (WebException e)
 30             {
 31                 response = (HttpWebResponse)e.Response;
 32                 MessageBox.Show(e.Message + " - " + getRestErrorMessage(response));
 33                 return default(T);
 34             }
 35             string json = getResponseString(response);
 36             return JsonConvert.DeserializeObject<T>(json);
 37         }
 38 
 39         // 将 HttpWebResponse 返回结果转换成 string
 40         private static string getResponseString(HttpWebResponse response)
 41         {
 42             string json = null;
 43             using (StreamReader reader = new StreamReader(response.GetResponseStream(), System.Text.Encoding.GetEncoding("UTF-8")))
 44             {
 45                 json = reader.ReadToEnd();
 46             }
 47             return json;
 48         }
 49 
 50         // 获取异常信息
 51         private static string getRestErrorMessage(HttpWebResponse errorResponse)
 52         {
 53             string errorhtml = getResponseString(errorResponse);
 54             string errorkey = "spi.UnhandledException:";
 55             errorhtml = errorhtml.Substring(errorhtml.IndexOf(errorkey) + errorkey.Length);
 56             errorhtml = errorhtml.Substring(0, errorhtml.IndexOf("\n"));
 57             return errorhtml;
 58         }
 59 
 60         // REST @POST 方法
 61         public static T doPostMethodToObj<T>(string metodUrl, string jsonBody)
 62         {
 63             HttpWebRequest request = (HttpWebRequest)WebRequest.Create(metodUrl);
 64             request.Method = "post";
 65             request.ContentType = "application/json;charset=UTF-8";
 66             var stream = request.GetRequestStream();
 67             using (var writer = new StreamWriter(stream))
 68             {
 69                 writer.Write(jsonBody);
 70                 writer.Flush();
 71             }
 72             HttpWebResponse response = (HttpWebResponse)request.GetResponse();
 73             string json = getResponseString(response);
 74             return JsonConvert.DeserializeObject<T>(json);
 75         }
 76 
 77         // REST @PUT 方法
 78         public static string doPutMethod(string metodUrl)
 79         {
 80             HttpWebRequest request = (HttpWebRequest)WebRequest.Create(metodUrl);
 81             request.Method = "put";
 82             request.ContentType = "application/json;charset=UTF-8";
 83             HttpWebResponse response = (HttpWebResponse)request.GetResponse();
 84             using (StreamReader reader = new StreamReader(response.GetResponseStream(), System.Text.Encoding.GetEncoding("UTF-8")))
 85             {
 86                 return reader.ReadToEnd();
 87             }
 88         }
 89 
 90         // REST @PUT 方法，带发送内容主体
 91         public static T doPutMethodToObj<T>(string metodUrl, string jsonBody)
 92         {
 93             HttpWebRequest request = (HttpWebRequest)WebRequest.Create(metodUrl);
 94             request.Method = "put";
 95             request.ContentType = "application/json;charset=UTF-8";
 96             var stream = request.GetRequestStream();
 97             using (var writer = new StreamWriter(stream))
 98             {
 99                 writer.Write(jsonBody);
100                 writer.Flush();
101             }
102             HttpWebResponse response = (HttpWebResponse)request.GetResponse();
103             string json = getResponseString(response);
104             return JsonConvert.DeserializeObject<T>(json);
105         }
106 
107         // REST @DELETE 方法
108         public static bool doDeleteMethod(string metodUrl)
109         {
110             HttpWebRequest request = (HttpWebRequest)WebRequest.Create( metodUrl);
111             request.Method = "delete";
112             request.ContentType = "application/json;charset=UTF-8";
113             HttpWebResponse response = (HttpWebResponse)request.GetResponse();
114             using (StreamReader reader = new StreamReader(response.GetResponseStream(), System.Text.Encoding.GetEncoding("UTF-8")))
115             {
116                 string responseString = reader.ReadToEnd();
117                 if (responseString.ToUpper().ToString()=="TRUE")
118                 {
119                     return true;
120                 }
121                 return false;
122             }
123         }
124     }
125 
126 }

 

posted @ 2017-06-01 14:49  dyfisgod  阅读(176)  评论(0)  编辑  收藏  举报