WPF HTTP请求(GET,POST)
|
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
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
using
System;
using
System.Collections.Generic;
using
System.IO;
using
System.Linq;
using
System.Net;
using
System.Net.Security;
using
System.Security.Cryptography.X509Certificates;
using
System.Text;
using
System.Threading.Tasks;
namespace
Nova.NovaiCloud.NovaiCloudCareHelper.Common
{
public
class
HttpRequestHelper
{
public
static
string
HttpPost(
string
Url,
string
postDataStr,
ref
bool
isSuccess)
{
try
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);
request.Method =
"POST"
;
request.ContentType =
"application/json"
;
request.ContentLength = Encoding.UTF8.GetByteCount(postDataStr);
//request.CookieContainer = cookie;
Stream myRequestStream = request.GetRequestStream();
StreamWriter myStreamWriter =
new
StreamWriter(myRequestStream, Encoding.GetEncoding(
"gb2312"
));
myStreamWriter.Write(postDataStr);
myStreamWriter.Close();
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
//response.Cookies = cookie.GetCookies(response.ResponseUri);
Stream myResponseStream = response.GetResponseStream();
StreamReader myStreamReader =
new
StreamReader(myResponseStream, Encoding.GetEncoding(
"utf-8"
));
string
retString = myStreamReader.ReadToEnd();
myStreamReader.Close();
myResponseStream.Close();
return
retString;
}
catch
(Exception e)
{
isSuccess =
false
;
Console.Write(e.Message);
return
e.Message;
}
}
public
string
HttpGet(
string
Url,
string
postDataStr)
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url + (postDataStr ==
""
?
""
:
"?"
) + postDataStr);
request.Method =
"GET"
;
request.ContentType =
"application/json"
;
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream myResponseStream = response.GetResponseStream();
StreamReader myStreamReader =
new
StreamReader(myResponseStream, Encoding.GetEncoding(
"utf-8"
));
string
retString = myStreamReader.ReadToEnd();
myStreamReader.Close();
myResponseStream.Close();
return
retString;
}
/// <summary>
/// 创建GET方式的HTTP请求
/// </summary>
//public static HttpWebResponse CreateGetHttpResponse(string url, int timeout, string userAgent, CookieCollection cookies)
public
static
HttpWebResponse CreateGetHttpResponse(
string
url)
{
HttpWebRequest request =
null
;
if
(url.StartsWith(
"https"
, StringComparison.OrdinalIgnoreCase))
{
//对服务端证书进行有效性校验（非第三方权威机构颁发的证书，如自己生成的，不进行验证，这里返回true）
ServicePointManager.ServerCertificateValidationCallback =
new
RemoteCertificateValidationCallback(CheckValidationResult);
request = WebRequest.Create(url)
as
HttpWebRequest;
request.ProtocolVersion = HttpVersion.Version10;
//http版本，默认是1.1,这里设置为1.0
}
else
{
request = WebRequest.Create(url)
as
HttpWebRequest;
}
request.Method =
"GET"
;
//设置代理UserAgent和超时
//request.UserAgent = userAgent;
//request.Timeout = timeout;
//if (cookies != null)
//{
// request.CookieContainer = new CookieContainer();
// request.CookieContainer.Add(cookies);
//}
return
request.GetResponse()
as
HttpWebResponse;
}
/// <summary>
/// 创建POST方式的HTTP请求
/// </summary>
//public static HttpWebResponse CreatePostHttpResponse(string url, IDictionary<string, string> parameters, int timeout, string userAgent, CookieCollection cookies)
public
static
HttpWebResponse CreatePostHttpResponse(
string
url, IDictionary<
string
,
string
> parameters)
{
HttpWebRequest request =
null
;
//如果是发送HTTPS请求
if
(url.StartsWith(
"https"
, StringComparison.OrdinalIgnoreCase))
{
//ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);
request = WebRequest.Create(url)
as
HttpWebRequest;
//request.ProtocolVersion = HttpVersion.Version10;
}
else
{
request = WebRequest.Create(url)
as
HttpWebRequest;
}
request.Method =
"POST"
;
request.ContentType =
"application/json"
;
//设置代理UserAgent和超时
//request.UserAgent = userAgent;
//request.Timeout = timeout;
//if (cookies != null)
//{
// request.CookieContainer = new CookieContainer();
// request.CookieContainer.Add(cookies);
//}
//发送POST数据
if
(!(parameters ==
null
|| parameters.Count == 0))
{
StringBuilder buffer =
new
StringBuilder();
int
i = 0;
foreach
(
string
key
in
parameters.Keys)
{
if
(i > 0)
{
buffer.AppendFormat(
"&{0}={1}"
, key, parameters[key]);
}
else
{
buffer.AppendFormat(
"{0}={1}"
, key, parameters[key]);
i++;
}
}
byte
[] data = Encoding.ASCII.GetBytes(buffer.ToString());
using
(Stream stream = request.GetRequestStream())
{
stream.Write(data, 0, data.Length);
}
}
string
[] values = request.Headers.GetValues(
"Content-Type"
);
return
request.GetResponse()
as
HttpWebResponse;
}
/// <summary>
/// 获取请求的数据
/// </summary>
public
static
string
GetResponseString(HttpWebResponse webresponse)
{
using
(Stream s = webresponse.GetResponseStream())
{
StreamReader reader =
new
StreamReader(s, Encoding.UTF8);
return
reader.ReadToEnd();
}
}
/// <summary>
/// 验证证书
/// </summary>
private
static
bool
CheckValidationResult(
object
sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors)
{
if
(errors == SslPolicyErrors.None)
return
true
;
return
false
;
}
}
}
|