Java发送Https请求-蒲公英云

Java发送Https请求

向右看齐 2022-06-18 03:54 404阅读 0赞

package test;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.HashMap;
import java.util.Map;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
/**
 * Http工具类
 */
public class HttpClient{
    /**
     * 处理https请求 
     * @param requestUrl 请求地址
     * @param map 请求报头标识信息
     * @return
     */
    public static String httpsRequest(String requestUrl,Map<String,String> map){
        StringBuffer buffer=new StringBuffer();
        try{
            // Create a trust manager that does not validate certificate chains
            TrustManager[] trustAllCerts=new TrustManager[]{new X509TrustManager(){
                public X509Certificate[] getAcceptedIssuers(){
                    return null;
                }
                public void checkClientTrusted(X509Certificate[] certs,String authType)
                    throws CertificateException{
                }
                public void checkServerTrusted(X509Certificate[] certs,String authType)
                    throws CertificateException{
                }
            }};
            // Install the all-trusting trust manager
            SSLContext sc=SSLContext.getInstance("SSL");
            sc.init(null,trustAllCerts,new java.security.SecureRandom());
            HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
            // Create all-trusting host name verifier
            HostnameVerifier allHostsValid=new HostnameVerifier(){
                public boolean verify(String hostname,SSLSession session){
                    return true;
                }
            };
            // Install the all-trusting host verifier
            HttpsURLConnection.setDefaultHostnameVerifier(allHostsValid);
            URL url=new URL(requestUrl);
            URLConnection con=url.openConnection();
            con.setDoOutput(true);
            con.setDoInput(true);
            con.setUseCaches(false);
            if(map!=null){
                for(Map.Entry<String,String> entry : map.entrySet()){
                    con.setRequestProperty(entry.getKey(),entry.getValue());
                }
            }
            con.connect();
            //读取服务器端返回的内容
            InputStream is=con.getInputStream();
            InputStreamReader isr=new InputStreamReader(is,"utf-8");
            BufferedReader br=new BufferedReader(isr);
            String line=null;
            while((line=br.readLine())!=null){
                buffer.append(line);
            }
            is.close();
        }
        catch(Exception e){
            System.out.println(e.getMessage());
            e.printStackTrace();
        }
        return buffer.toString();
    }
    public static void main(String[] args){
        Map<String,String> map=new HashMap<String,String>();
        map.put("Authorization","Basic ZGlyZWN0X2FwaV91c2VyOmRpcmVjdF9hcGlfdXNlcl9wc3c=");
        map.put("Content-Type","application/json");
        String s=httpsRequest("https://地址",map);
        System.out.println(s);
    }
}