Java 发送https 的post请求方法

1. import java.io.BufferedReader;  
2. import java.io.FileInputStream;  
3. import java.io.IOException;  
4. import java.io.InputStreamReader;  
5. import java.net.MalformedURLException;  
6. import java.net.URL;  
7. import java.security.GeneralSecurityException;  
8. import java.security.KeyStore;  
9. import javax.net.ssl.HostnameVerifier;  
10. import javax.net.ssl.HttpsURLConnection;  
11. import javax.net.ssl.KeyManagerFactory;  
12. import javax.net.ssl.SSLContext;  
13. import javax.net.ssl.TrustManagerFactory;  
14. public class HttpsPost {  
15.     public static KeyStore getKeyStore(String password, String keyStorePath)  
16.             throws Exception {  
17.         // 实例化密钥库  
18.         KeyStore ks = KeyStore.getInstance("JKS");  
19.         // 获得密钥库文件流  
20.         FileInputStream is = new FileInputStream(keyStorePath);  
21.         // 加载密钥库  
22.         ks.load(is, password.toCharArray());  
23.         // 关闭密钥库文件流  
24.         is.close();  
25.         return ks;  
26.     }  
27.     public static SSLContext getSSLContext(String password,  
28.             String keyStorePath, String trustStorePath) throws Exception {  
29.         // 实例化密钥库  
30.         KeyManagerFactory keyManagerFactory = KeyManagerFactory  
31.                 .getInstance(KeyManagerFactory.getDefaultAlgorithm());  
32.         // 获得密钥库  
33.         KeyStore keyStore = getKeyStore(password, keyStorePath);  
34.         // 初始化密钥工厂  
35.         keyManagerFactory.init(keyStore, password.toCharArray());  
36.         // 实例化信任库  
37.         TrustManagerFactory trustManagerFactory = TrustManagerFactory  
38.                 .getInstance(TrustManagerFactory.getDefaultAlgorithm());  
39.         // 获得信任库  
40.         KeyStore trustStore = getKeyStore(password, trustStorePath);  
41.         // 初始化信任库  
42.         trustManagerFactory.init(trustStore);  
43.         // 实例化SSL上下文  
44.         SSLContext ctx = SSLContext.getInstance("TLS");  
45.         // 初始化SSL上下文  
46.         ctx.init(keyManagerFactory.getKeyManagers(),  
47.                 trustManagerFactory.getTrustManagers(), null);  
48.         // 获得SSLSocketFactory  
49.         return ctx;  
50.     }  
51.     public static void initHttpsURLConnection(String password,  
52.             String keyStorePath, String trustStorePath) throws Exception {  
53.         // 声明SSL上下文  
54.         SSLContext sslContext = null;  
55.         // 实例化主机名验证接口  
56.         HostnameVerifier hnv = new MyHostnameVerifier();  
57.         try {  
58.             sslContext = getSSLContext(password, keyStorePath, trustStorePath);  
59.         } catch (GeneralSecurityException e) {  
60.             e.printStackTrace();  
61.         }  
62.         if (sslContext != null) {  
63.             HttpsURLConnection.setDefaultSSLSocketFactory(sslContext  
64.                     .getSocketFactory());  
65.         }  
66.         HttpsURLConnection.setDefaultHostnameVerifier(hnv);  
67.     }  
68.     public static void post(String httpsUrl, String xmlStr) {  
69.         HttpsURLConnection urlCon = null;  
70.         try {  
71.             urlCon = (HttpsURLConnection) (new URL(httpsUrl)).openConnection();  
72.             urlCon.setDoInput(true);  
73.             urlCon.setDoOutput(true);  
74.             urlCon.setRequestMethod("POST");  
75.             urlCon.setRequestProperty("Content-Length",  
76.                     String.valueOf(xmlStr.getBytes().length));  
77.             urlCon.setUseCaches(false);  
78.             //设置为gbk可以解决服务器接收时读取的数据中文乱码问题  
79.             urlCon.getOutputStream().write(xmlStr.getBytes("gbk"));  
80.             urlCon.getOutputStream().flush();  
81.             urlCon.getOutputStream().close();  
82.             BufferedReader in = new BufferedReader(new InputStreamReader(  
83.                     urlCon.getInputStream()));  
84.             String line;  
85.             while ((line = in.readLine()) != null) {  
86.                 System.out.println(line);  
87.             }  
88.         } catch (MalformedURLException e) {  
89.             e.printStackTrace();  
90.         } catch (IOException e) {  
91.             e.printStackTrace();  
92.         } catch (Exception e) {  
93.             e.printStackTrace();  
94.         }  
95.     }  
96.     public static void main(String[] args) throws Exception {  
97.         // 密码  
98.         String password = "123456";  
99.         // 密钥库  
100.         String keyStorePath = "tomcat.keystore";  
101.         // 信任库  
102.         String trustStorePath = "tomcat.keystore";  
103.         // 本地起的https服务  
104.         String httpsUrl = "https://localhost:8443/service/httpsPost";  
105.         // 传输文本  
106.         String xmlStr = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><fruitShop><fruits><fruit><kind>萝卜</kind></fruit><fruit><kind>菠萝</kind></fruit></fruits></fruitShop>";  
107.         HttpsPost.initHttpsURLConnection(password, keyStorePath, trustStorePath);  
108.         // 发起请求  
109.         HttpsPost.post(httpsUrl, xmlStr);  
110.     }  
111. }  

[java]  view plain copy

1. import javax.net.ssl.HostnameVerifier;  
2. import javax.net.ssl.SSLSession;  
3. public class MyHostnameVerifier implements HostnameVerifier {  
4.     @Override  
5.     public boolean verify(String hostname, SSLSession session) {  
6.         if("localhost".equals(hostname)){  
7.             return true;  
8.         } else {  
9.             return false;  
10.         }  
11.     }  
12. }  

接收请求的Web应用：

web.xml

[html]  view plain copy

1. <?xml version="1.0" encoding="UTF-8"?>  
2. <web-app version="2.5"   
3.     xmlns="http://java.sun.com/xml/ns/javaee"   
4.     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"   
5.     xsi:schemaLocation="http://java.sun.com/xml/ns/javaee   
6.     http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">  
7.   <servlet>  
8.     <servlet-name>rollBack</servlet-name>  
9.     <servlet-class>rollBack</servlet-class>  
10.   </servlet>  
11.   <servlet-mapping>  
12.     <servlet-name>rollBack</servlet-name>  
13.     <url-pattern>/httpsPost</url-pattern>  
14.   </servlet-mapping>  
15.   <welcome-file-list>  
16.     <welcome-file>index.jsp</welcome-file>  
17.   </welcome-file-list>  
18. </web-app>  

rollBack servlet

[java]  view plain copy

1. import java.io.BufferedReader;  
2. import java.io.IOException;  
3. import java.io.InputStreamReader;  
4. import javax.servlet.ServletException;  
5. import javax.servlet.ServletInputStream;  
6. import javax.servlet.http.HttpServlet;  
7. import javax.servlet.http.HttpServletRequest;  
8. import javax.servlet.http.HttpServletResponse;  
9. public class rollBack extends HttpServlet {  
10.     public void doGet(HttpServletRequest request, HttpServletResponse response)  
11.             throws ServletException, IOException {  
12.         //获取请求流  
13.         ServletInputStream sis = request.getInputStream();  
14.         BufferedReader in = new BufferedReader(new InputStreamReader(sis));  
15.         String line;  
16.         if((line = in.readLine()) != null){  
17.             System.out.println(line);  
18.         }  
19.         in.close();  
20.     }  
21.     public void doPost(HttpServletRequest request, HttpServletResponse response)  
22.             throws ServletException, IOException {  
23.         this.doGet(request, response);  
24.     }  
25. }