java网络编程____httpclient工具类操作

package com.cctin.platform.wechatrss.utils;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.ConnectException;
import java.net.URL;

import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;

/**
 * @author Administrator
 * http工具类
 */
public class HttpClientUtil {
	/**
	 * http post 提交
	 * @param url
	 * @param params
	 */
	public static void httpPost(String url,String params){
		//创建httpclient对象
		HttpClient httpClient = HttpClientBuilder.create().build();
		//创建POST请求方法
		HttpPost httpPost = new HttpPost(url);
		//创建请求报文头
		httpPost.addHeader("Content-Type", "text/plain; charset=UTF-8");
		//创建请求数据对象
		StringEntity entity = new StringEntity(params.toString(), "utf-8");
		//post请求装载数据
		httpPost.setEntity(entity);
		try {
			//执行http post请求
			HttpResponse httpResponse=httpClient.execute(httpPost);
			//判断执行是否成功
			if(httpResponse.getStatusLine().getStatusCode()==200){
				HttpEntity httpEntity=httpResponse.getEntity();
				String responseStr=EntityUtils.toString(httpEntity);
				System.out.println("responseStr_____:"+responseStr);
			}
		} catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	
	/**
	 * 发起https请求并获取结果
	 * @param requestUrl 请求地址
	 * @param requestMethod 请求方式（GET、POST）
	 * @param outputStr 提交的数据
	 * @return JSONObject(通过JSONObject.get(key)的方式获取json对象的属性值)
	 */
	public static String httpSRequest(String requestUrl, String requestMethod, String outputStr) {
		//JSONObject jsonObject = null;
		StringBuffer buffer = new StringBuffer();
		try {
			// 创建SSLContext对象，并使用我们指定的信任管理器初始化
			TrustManager[] tm = { new SSlX509Manager() };
			SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");
			sslContext.init(null, tm, new java.security.SecureRandom());
			// 从上述SSLContext对象中得到SSLSocketFactory对象
			SSLSocketFactory ssf = sslContext.getSocketFactory();

			URL url = new URL(requestUrl);
			HttpsURLConnection httpUrlConn = (HttpsURLConnection) url.openConnection();
			httpUrlConn.setSSLSocketFactory(ssf);

			httpUrlConn.setDoOutput(true);
			httpUrlConn.setDoInput(true);
			httpUrlConn.setUseCaches(false);
			// 设置请求方式（GET/POST）
			httpUrlConn.setRequestMethod(requestMethod);

			if ("GET".equalsIgnoreCase(requestMethod))
				httpUrlConn.connect();

			// 当有数据需要提交时
			if (null != outputStr) {
				OutputStream outputStream = httpUrlConn.getOutputStream();
				// 注意编码格式，防止中文乱码
				outputStream.write(outputStr.getBytes("UTF-8"));
				outputStream.close();
			}

			// 将返回的输入流转换成字符串
			InputStream inputStream = httpUrlConn.getInputStream();
			InputStreamReader inputStreamReader = new InputStreamReader(inputStream, "utf-8");
			BufferedReader bufferedReader = new BufferedReader(inputStreamReader);

			String str = null;
			while ((str = bufferedReader.readLine()) != null) {
				buffer.append(str);
			}
			bufferedReader.close();
			inputStreamReader.close();
			// 释放资源
			inputStream.close();
			inputStream = null;
			httpUrlConn.disconnect();
		} catch (ConnectException ce) {
			ce.printStackTrace();
		} catch (Exception e) {
			e.printStackTrace();
		}
		return buffer.toString();
	}
	
}

//

 

package com.cctin.platform.wechatrss.utils;

import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

import javax.net.ssl.X509TrustManager;

public class SSlX509Manager implements X509TrustManager{

	@Override
	public void checkClientTrusted(X509Certificate[] chain, String authType)
			throws CertificateException {
	}

	@Override
	public void checkServerTrusted(X509Certificate[] chain, String authType)
			throws CertificateException {
	}

	@Override
	public X509Certificate[] getAcceptedIssuers() {
		return null;
	}

}