来源：自学PHP网 时间：2015-04-14 12:58 作者： 阅读:次
[导读] 包含通过HttpClient发起get或post请求的方法，所有调用微信接口的操作都通过此类。话不多说，直接上代码：2014-10-31代码更新：微信SSL安全策略调整，关闭掉SSLv2、SSLv3版本支持，不再支持...
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包含通过HttpClient发起get或post请求的方法，所有调用微信接口的操作都通过此类。话不多说，直接上代码： 2014-10-31代码更新：微信SSL安全策略调整，关闭掉SSLv2、SSLv3版本支持，不再支持部分使用SSLv2、 SSLv3或更低版本的客户端调用。
public class HttpClientHelper
2 {
3 /// <summary>
4 /// get请求
5 /// </summary>
6 /// <param name="url"></param>
7 /// <returns></returns>
8 public static string GetResponse(string url)
9 {
10 if (url.StartsWith("https"))
11 System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;
12
13 HttpClient httpClient = new HttpClient();
14 httpClient.DefaultRequestHeaders.Accept.Add(
15 new MediaTypeWithQualityHeaderValue("application/json"));
16 HttpResponseMessage response = httpClient.GetAsync(url).Result;
17
18 if (response.IsSuccessStatusCode)
19 {
20 string result = response.Content.ReadAsStringAsync().Result;
21 return result;
22 }
23 return null;
24 }
25
26 public static T GetResponse<T>(string url)
27 where T : class,new()
28 {
29 if (url.StartsWith("https"))
30 System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;
31
32 HttpClient httpClient = new HttpClient();
33 httpClient.DefaultRequestHeaders.Accept.Add(
34 new MediaTypeWithQualityHeaderValue("application/json"));
35 HttpResponseMessage response = httpClient.GetAsync(url).Result;
36
37 T result = default(T);
38
39 if (response.IsSuccessStatusCode)
40 {
41 Task<string> t = response.Content.ReadAsStringAsync();
42 string s = t.Result;
43
44 result = JsonConvert.DeserializeObject<T>(s);
45 }
46 return result;
47 }
48
49 /// <summary>
50 /// post请求
51 /// </summary>
52 /// <param name="url"></param>
53 /// <param name="postData">post数据</param>
54 /// <returns></returns>
55 public static string PostResponse(string url, string postData)
56 {
57 if (url.StartsWith("https"))
58 System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;
59
60 HttpContent httpContent = new StringContent(postData);
61 httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
62 HttpClient httpClient = new HttpClient();
63
64 HttpResponseMessage response = httpClient.PostAsync(url, httpContent).Result;
65
66 if (response.IsSuccessStatusCode)
67 {
68 string result = response.Content.ReadAsStringAsync().Result;
69 return result;
70 }
71 return null;
72 }
73
74 /// <summary>
75 /// 发起post请求
76 /// </summary>
77 /// <typeparam name="T"></typeparam>
78 /// <param name="url">url</param>
79 /// <param name="postData">post数据</param>
80 /// <returns></returns>
81 public static T PostResponse<T>(string url, string postData)
82 where T : class,new()
83 {
84 if (url.StartsWith("https"))
85 System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;
86
87 HttpContent httpContent = new StringContent(postData);
88 httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
89 HttpClient httpClient = new HttpClient();
90
91 T result = default(T);
92
93 HttpResponseMessage response = httpClient.PostAsync(url, httpContent).Result;
94
95 if (response.IsSuccessStatusCode)
96 {
97 Task<string> t = response.Content.ReadAsStringAsync();
98 string s = t.Result;
99
100 result = JsonConvert.DeserializeObject<T>(s);
101 }
102 return result;
103 }
104
105 /// <summary>
106 /// V3接口全部为Xml形式，故有此方法
107 /// </summary>
108 /// <typeparam name="T"></typeparam>
109 /// <param name="url"></param>
110 /// <param name="xmlString"></param>
111 /// <returns></returns>
112 public static T PostXmlResponse<T>(string url, string xmlString)
113 where T : class,new()
114 {
115 if (url.StartsWith("https"))
116 System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;
117
118 HttpContent httpContent = new StringContent(xmlString);
119 httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
120 HttpClient httpClient = new HttpClient();
121
122 T result = default(T);
123
124 HttpResponseMessage response = httpClient.PostAsync(url, httpContent).Result;
125
126 if (response.IsSuccessStatusCode)
127 {
128 Task<string> t = response.Content.ReadAsStringAsync();
129 string s = t.Result;
130
131 result = XmlDeserialize<T>(s);
132 }
133 return result;
134 }
135
136 /// <summary>
137 /// 反序列化Xml
138 /// </summary>
139 /// <typeparam name="T"></typeparam>
140 /// <param name="xmlString"></param>
141 /// <returns></returns>
142 public static T XmlDeserialize<T>(string xmlString)
143 where T : class,new ()
144 {
145 try
146 {
147 XmlSerializer ser = new XmlSerializer(typeof(T));
148 using (StringReader reader = new StringReader(xmlString))
149 {
150 return (T)ser.Deserialize(reader);
151 }
152 }
153 catch (Exception ex)
154 {
155 throw new Exception("XmlDeserialize发生异常：xmlString:" + xmlString + "异常信息：" + ex.Message);
156 }
157
158 }
159 }
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