JAVA中使用POST和GET发送请求

待我称王封你为后i 2022-09-23 00:28 206阅读 0赞

# GET #

## 1、创建HTTP uri构造器 ##

protected URIBuilder ub;

## 2、添加发送参数 ##

List<NameValuePair> list = new ArrayList<NameValuePair>(20);
    for (int i=0;i<strArr.length;i++){ 
    	String[]  str2=strArr[i].split("=");
    		if(str2.length>1){ 
    			list.add(new BasicNameValuePair(str2[0],str2[1]));
    	}
    }
    ub.addParameters(list);

## 3、创建一个CloseableHttpClient发送器发送请求 ##

# POST #

## 1、创建HTTP uri构造器 ##

protected URIBuilder ub;

## 2、创建Entity对象 ##

HttpEntity entity = new StringEntity(jsonstr, Consts.UTF_8);
    RequestConfig config = RequestConfig.custom().setConnectionRequestTimeout(30000)					.setConnectTimeout(30000).setSocketTimeout(30000).build();
    HttpPost post = new HttpPost(ub.build());
    post.setHeader("Content-Type","application/json");
    post.setProtocolVersion(HttpVersion.HTTP_1_1);
    post.setConfig(config);
    post.setEntity(entity);

## 3、创建一个CloseableHttpClient发送器发送请求 ##

PoolingHttpClientConnectionManager cm = new PoolingHttpClientConnectionManager();
    cm.setDefaultMaxPerRoute(1000);
    
    Builder builder = RequestConfig.custom();
    RequestConfig config = builder.setSocketTimeout(HttpConstant.SOCKET_TIMEOUT).setConnectTimeout(HttpConstant.CONNECT_TIMEOUT).build();
    CloseableHttpClient client = HttpClients.custom().setMaxConnPerRoute(300).disableConnectionState().setDefaultRequestConfig(config).setConnectionManager(cm).build();	
    
    /** *如果是https，则发送器需要添加证书 */
     /* SSLContext context = buildSSLContext(irm);//构建证书对象 CloseableHttpClient client = HttpClients.custom().setMaxConnPerRoute(300).disableConnectionState().setDefaultRequestConfig(config).setConnectionManager(cm).build().setSslcontext(context)*/
    
    client.execute(post);

/** * *构建证书对象方法 * */
    private SSLContext buildSSLContext(InternalReceivedMessage irm){ 		
    	String certBlong = "zhangsan";       //证书所有者
    	String keyStorePath = "";            //商户私有密钥路径
    	String keypassword = "";             //商户私有密钥密码
    	String trustKeyStorePath = "";       //信任对象的证书路径
    	String trustCaStorePath = "";        //信任对象ca证书路径，可以生产信任对象证书
    	String trustKeypassword = "";        //信任对象证书密码
    	try { 
    		File jksCAFile = new File(trustKeyStorePath);
    		
    		if (!jksCAFile.isFile()) { 
    			File caFile = new File(trustCaStorePath);
    			X509Certificate cert = (X509Certificate) SecurityUtils.getCertificate(caFile,"X.509");
    			FileOutputStream out = new FileOutputStream(jksCAFile);
    			KeyStore ks = KeyStore.getInstance("JKS");
    			ks.load(null, null);
    			ks.setCertificateEntry(certBlong, cert);
    			// store keystore
    			ks.store(out, trustKeypassword.toCharArray());
    			out.close();
    		}
    		
    		FileInputStream trustStream = new FileInputStream(jksCAFile);
    		FileInputStream keyStream = new FileInputStream(keyStorePath);
    		
    		// 初始化信任库 
    		TrustManagerFactory tmf = TrustManagerFactory.getInstance("SunX509");
    		KeyStore trustKeyStore = KeyStore.getInstance("JKS");
    		trustKeyStore.load(trustStream, trustKeypassword.toCharArray());
    		tmf.init(trustKeyStore);
    
    		// 初始化密钥库 
    		KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");
    		KeyStore ks = KeyStore.getInstance("PKCS12");
    		ks.load(keyStream, keypassword.toCharArray());
    		kmf.init(ks, keypassword.toCharArray());
    
    		SecureRandom rand = new SecureRandom();
    		SSLContext ctx = SSLContext.getInstance("TLS");
    		ctx.init(kmf.getKeyManagers(), tmf.getTrustManagers(), rand);
    
    		return ctx;
    	} catch (Exception e) { 
    		logger.error("SSL上下文创建失败，请联系管理员.",e);
    	}
    	return null;
    }

http://blog.csdn.net/wangpeng047/article/details/19624529