Java发送Https请求

向右看齐 2022-06-18 03:54 227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);
    	}
    }