java http get post请求 https请求实现

直接贴代码

 

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import .X509TrustManager;

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public class HttpUtil {
	
	public static String httpPost(String url,Map<String, String> parametes){
		String str = "";
		HttpClient httpClient = new HttpClient();
		PostMethod psotMethod = new PostMethod(url);
		if(parametes!=null&&()>0){
			Set<String> keys = ();
			for(String key:keys){
				(key, (key));//这里添加参数
			}
		}
		().setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET,"utf-8");//请求编码
		().setParameter(HttpMethodParams.RETRY_HANDLER,
				new DefaultHttpMethodRetryHandler());
		try {
			//执行getMethod
			int statusCode =  (psotMethod); 
			/*if (statusCode != HttpStatus.SC_OK) {
				("Method failed: "+ ());
			}*/
			//读取内容 
			byte[] responseBody = ();
			str  = new String(responseBody,"utf-8");
		} catch (HttpException e) {
			// TODO Auto-generated catch block
			();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			();
		}  finally {
			//释放连接
			();
		}
		return str;
	}
	
	public static String httpGet(String url){
		//(url);
		String str = "";
		//构造HttpClient的实例
		HttpClient httpClient = new HttpClient();
		//创建GET方法的实例
		GetMethod getMethod = new GetMethod(url);
		//使用系统提供的默认的恢复策略
		().setParameter(HttpMethodParams.RETRY_HANDLER,
		new DefaultHttpMethodRetryHandler());
		try {
			//执行getMethod
			int statusCode = (getMethod);
			if (statusCode != HttpStatus.SC_OK) {
				("Method failed: "
				+ ());
			}
			//读取内容 
			byte[] responseBody = ();
			//处理内容
			str = new String(responseBody,"utf-8");
			
		} catch (HttpException e) {
			// TODO Auto-generated catch block
			();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			();
		}  finally {
			//释放连接
			();
		}
		return str;
	}
	public static StringBuffer httpsSendGet(String path) 
    {  
	    StringBuffer sb = new StringBuffer(); 
       // String path = "https://kyfw./otn/lcxxcx/query?purpose_codes=ADULT&queryDate=2015-05-22&from_station=BJP&to_station=ZZF";  
        TrustManager[] trustAllCerts = new TrustManager[]{ 
        		new X509TrustManager() { 
                    public .X509Certificate[] getAcceptedIssuers() { 
                        return null; 
                    } 
                    public void checkClientTrusted( 
                        .X509Certificate[] certs, String authType) { 
                    } 
                    public void checkServerTrusted( 
                        .X509Certificate[] certs, String authType) { 
                    } 
                } 	            }; 
       try { 
                SSLContext sc = ("SSL"); 
                (null, trustAllCerts, new ()); 
                (()); 
            } catch (Exception e) { 
            } 
       try { 
            URL url = new URL(path); 
            HttpsURLConnection conn = (HttpsURLConnection)(); 
            BufferedReader rd = new BufferedReader(new InputStreamReader((),"UTF-8")); 
            String line; 
            while ((line = ()) != null) { 
            	//(line);
            	(line);
            } 
           	(); 
            } catch (MalformedURLException e) { 
            } catch (IOException e) {
				// TODO Auto-generated catch block
				();
			} 
            return sb;
    }
}

jar包地址

/detail/huidanyige/8603109