https工具类

import org.apache.commons.lang.StringUtils;

import javax.net.ssl.*;
import java.io.*;
import java.net.URL;
import java.security.SecureRandom;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.List;
import java.util.Map;


public class HttpsRequest {

    /*
     * 处理https GET请求
     * 请求地址、请求方法、参数
     * */
    public static String httpsRequestGet(String requestUrl,String requestMethod,String token){
        StringBuffer buffer=null;
        try{
            //创建SSLContext
            SSLContext sslContext=SSLContext.getInstance("SSL");
            TrustManager[] tm={new MyX509TrustManager()};
            //初始化
            sslContext.init(null, tm, new java.security.SecureRandom());;
            //获取SSLSocketFactory对象
            SSLSocketFactory ssf=sslContext.getSocketFactory();
            URL url=new URL(requestUrl);
            HttpsURLConnection conn=(HttpsURLConnection)url.openConnection();
            conn.setDoOutput(true);
            conn.setDoInput(true);
            conn.setUseCaches(false);
            conn.setRequestMethod(requestMethod);
            conn.setRequestProperty("Authorization", "Bearer " + token);
            //设置当前实例使用的SSLSoctetFactory
            conn.setSSLSocketFactory(ssf);
            conn.connect();

            //读取服务器端返回的内容
            InputStream is=conn.getInputStream();
            InputStreamReader isr=new InputStreamReader(is,"utf-8");
            BufferedReader br=new BufferedReader(isr);
            buffer=new StringBuffer();
            String line=null;
            while((line=br.readLine())!=null){
                buffer.append(line);
            }
        }catch(Exception e){
            e.printStackTrace();
        }
        return buffer.toString();
    }

    /** * 向指定URL发送GET方法的请求,默认编码UTF-8 * * @param url * 发送请求的URL * @param param * 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。 * @return URL 所代表远程资源的响应结果 */
    public static String sendGet(String url, String param,String token) {
        return sendGet(url, param, "utf-8",token);
    }

    /** * 向指定URL发送GET方法的请求 * * @param url * 发送请求的URL * @param param * 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。 * @param charset * 网页编码 * @return URL 所代表远程资源的响应结果 */
    public static String sendGet(String url, String param,String charSet,String token) {
        String result = "";
        BufferedReader in = null;
        try {
            SSLContext ctx = SSLContext.getInstance("TLS");
            ctx.init(new KeyManager[0],
                    new TrustManager[] { new DefaultTrustManager() },
                    new SecureRandom());
            SSLContext.setDefault(ctx);

            String urlNameString = url + "?" + param;
            URL realUrl = new URL(urlNameString);
            // 打开和URL之间的连接
            HttpsURLConnection connection = (HttpsURLConnection) realUrl.openConnection();
            // 设置通用的请求属性
            connection.setRequestProperty("accept", "*/*");
            connection.setRequestProperty("connection", "Keep-Alive");
            connection.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            if(StringUtils.isNotEmpty(token)) {
                connection.addRequestProperty("token", token);
            }
            connection.setHostnameVerifier(new HostnameVerifier() {

                @Override
                public boolean verify(String hostname, SSLSession session) {
                    return true;
                }
            });
            // 建立实际的连接
            connection.connect();
            // 获取所有响应头字段
            Map<String, List<String>> map = connection.getHeaderFields();
            // 遍历所有的响应头字段
            for (String key : map.keySet()) {
                //System.out.println(key + "--->" + map.get(key));
            }
            // 定义 BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(
                    connection.getInputStream(),charSet));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            System.out.println("发送GET请求出现异常！" + e);
            e.printStackTrace();
        }
        // 使用finally块来关闭输入流
        finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }
        return result;
    }


    /** * 向指定 URL 发送POST方法的请求，默认编码UTF-8 * * @param url * 发送请求的 URL * @param param * 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。 * @return 所代表远程资源的响应结果 */
    public static String sendPost(String url, String param){
        return sendPost(url, param, "utf-8");
    }

    /** * 向指定 URL 发送POST方法的请求 * * @param url * 发送请求的 URL * @param param * 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。 * @param charSet * 网页编码 * @return 所代表远程资源的响应结果 */
    public static String sendPost(String url, String param , String charSet) {
        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        try {
            SSLContext ctx = SSLContext.getInstance("TLS");
            ctx.init(new KeyManager[0],
                    new TrustManager[] { new DefaultTrustManager() },
                    new SecureRandom());
            SSLContext.setDefault(ctx);


            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            HttpsURLConnection conn = (HttpsURLConnection) realUrl.openConnection();
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");

            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);

            conn.setHostnameVerifier(new HostnameVerifier() {

                @Override
                public boolean verify(String hostname, SSLSession session) {
                    return true;
                }
            });

            // 获取URLConnection对象对应的输出流
            out = new PrintWriter(conn.getOutputStream());
            // 发送请求参数
            out.print(param);
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(
                    new InputStreamReader(conn.getInputStream(),charSet));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            System.out.println("发送 POST 请求出现异常！"+e);
            e.printStackTrace();
        }
        //使用finally块来关闭输出流、输入流
        finally{
            try{
                if(out!=null){
                    out.close();
                }
                if(in!=null){
                    in.close();
                }
            }
            catch(IOException ex){
                ex.printStackTrace();
            }
        }
        return result;
    }



    private static class DefaultTrustManager implements X509TrustManager {

        @Override
        public void checkClientTrusted(X509Certificate[] arg0, String arg1)
                throws CertificateException {
        }

        @Override
        public void checkServerTrusted(X509Certificate[] arg0, String arg1)
                throws CertificateException {
        }

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

    }
    public static String httpsRequest(String requestUrl,String requestMethod,String outputStr){
        StringBuffer buffer=null;
        try{
            //创建SSLContext
            SSLContext sslContext=SSLContext.getInstance("SSL");
            TrustManager[] tm={new MyX509TrustManager()};
            //初始化
            sslContext.init(null, tm, new java.security.SecureRandom());;
            //获取SSLSocketFactory对象
            SSLSocketFactory ssf=sslContext.getSocketFactory();
            URL url=new URL(requestUrl);
            HttpsURLConnection conn=(HttpsURLConnection)url.openConnection();
            conn.setDoOutput(true);
            conn.setDoInput(true);
            conn.setUseCaches(false);
            conn.setRequestMethod(requestMethod);
            //设置当前实例使用的SSLSoctetFactory
            conn.setSSLSocketFactory(ssf);
            conn.connect();
            //往服务器端写内容
            if(null!=outputStr){
                OutputStream os=conn.getOutputStream();
                os.write(outputStr.getBytes("utf-8"));
                os.close();
            }
            //读取服务器端返回的内容
            InputStream is=conn.getInputStream();
            InputStreamReader isr=new InputStreamReader(is,"utf-8");
            BufferedReader br=new BufferedReader(isr);
            buffer=new StringBuffer();
            String line=null;
            while((line=br.readLine())!=null){
                buffer.append(line);
            }
        }catch(Exception e){
            e.printStackTrace();
        }
        return buffer.toString();
    }
}