//首先自己實現信任管理器類,創(chuàng)建一個X509TrustManager對象
    X509TrustManager x509m = new X509TrustManager() {  
    	//返回受信任的X509證書數組
        @Override  
        public X509Certificate[] getAcceptedIssuers() {  
            return null;  
        }  
        //檢查服務器的證書，若不信任該證書拋出異常，可以不檢查默認都信任
        @Override  
        public void checkServerTrusted(X509Certificate[] chain,  
                String authType) throws CertificateException {  
        }  
   	    //檢查客戶端證書，若不信任該證書拋出異常，咱們自己就是客戶端不用檢查
        @Override  
        public void checkClientTrusted(X509Certificate[] chain,  
                String authType) throws CertificateException {  
        }  
    };  
    // 獲取一個SSLContext實例，核心對象  
    SSLContext s = SSLContext.getInstance("SSL");  
    // 初始化SSLContext.init(可以導入的證書,信任管理器,SecureRandom) 三個參數都可為null，沒有證書填寫null就行
    s.init(null, new TrustManager[] { x509m },   new java.security.SecureRandom());
    //獲取SSLSocket 用于通信
    SSLSocketFactory factory = s.getSocketFactory();
    SSLSocket s = (SSLSocket) factory.createSocket("localhost", port);
    //獲取輸入輸出流
    OutputStream output = s.getOutputStream(); 
    InputStream input = s.getInputStream(); 
    //發(fā)送數據
    DataOutputStream out = new DataOutputStream(output);
    out.writeBytes("測試發(fā)送數據");
    out.flush();
    out.close();
    //接收數據
    Reader reader = new InputStreamReader(input, "UTF-8");
    BufferedReader bufferedReader = new BufferedReader(reader);
    String str = null;
    StringBuffer sb = new StringBuffer();
    while ((str = bufferedReader.readLine()) != null) {
        sb.append(str);
    }
    reader.close();
    System.out.println(sb.toString()); //打印返回的數據