1 using System;
2 using System.Collections.Generic;
3 using System.IO;
4 using System.Linq;
5 using System.Net;
6 using System.Text;
7 using System.Threading.Tasks;
8
9 namespace TheDataTransfer.Dao
10 {
11 class Transfer
12 {
13 /*
14 * url:POST请求地址
15 * postData:json格式的请求报文,例如：{"key1":"value1","key2":"value2"}
16 */
17
18 public static string PostJsonUrl(string url, string postData)
19 {
20 string result = "";
21
22 HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
23
24 req.Method = "POST";
25
26 req.Timeout = 800;//设置请求超时时间，单位为毫秒
27
28 req.ContentType = "application/json";
29
30 byte[] data = Encoding.UTF8.GetBytes(postData);
31
32 req.ContentLength = data.Length;
33
34 using (Stream reqStream = req.GetRequestStream())
35 {
36 reqStream.Write(data, 0, data.Length);
37
38 reqStream.Close();
39 }
40
41 HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
42
43 Stream stream = resp.GetResponseStream();
44
45 //获取响应内容
46 using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))
47 {
48 result = reader.ReadToEnd();
49 }
50
51 return result;
52 }
53
54
55
56 public static string PostXmlUrl(string url, string Data)
57 {
58 string result = "";
59
60 StreamWriter myWriter = null;
61
62 HttpWebRequest objRequest = (HttpWebRequest)WebRequest.Create(url);
63 objRequest.Method = "POST";
64 objRequest.ContentLength = Data.Length;
65 objRequest.ContentType = "text/xml";//提交xml
66 //objRequest.ContentType = "application/x-www-form-urlencoded";//提交表单
67 try
68 {
69 myWriter = new StreamWriter(objRequest.GetRequestStream());
70 myWriter.Write(Data);
71 }
72 catch (Exception e)
73 {
74 return e.Message;
75 }
76 finally
77 {
78 myWriter.Close();
79 }
80
81 HttpWebResponse objResponse = (HttpWebResponse)objRequest.GetResponse();
82 using (StreamReader sr = new StreamReader(objResponse.GetResponseStream()))
83 {
84 result = sr.ReadToEnd();
85 sr.Close();
86 }
87 return result;
88 }
89
90
91
92 protected string GetWebContent(string url)
93 {
94 Stream outstream = null;
95 Stream instream = null;
96 StreamReader sr = null;
97 HttpWebResponse response = null;
98 HttpWebRequest request = null;
99 // 要注意的这是这个编码方式，还有内容的Xml内容的编码方式
100 Encoding encoding = Encoding.GetEncoding("GBK");
101 byte[] data = encoding.GetBytes(url);
102
103 // 准备请求,设置参数
104 request = WebRequest.Create(url) as HttpWebRequest;
105 request.Method = "POST";
106 //request.ContentType = "text/plain";
107 request.ContentLength = data.Length;
108
109 outstream = request.GetRequestStream();
110 outstream.Write(data, 0, data.Length);
111 outstream.Flush();
112 outstream.Close();
113 //发送请求并获取相应回应数据
114
115 response = request.GetResponse() as HttpWebResponse;
116 //直到request.GetResponse()程序才开始向目标网页发送Post请求
117 instream = response.GetResponseStream();
118 sr = new StreamReader(instream, encoding);
119 //返回结果网页(html)代码
120
121 string content = sr.ReadToEnd();
122 return content;
123 }
124 }
125 }
