JAVA 通过get,post访问远程接口

get请求 参数拼接在url ？name=value&sex=value

// httpurl=http:127.0.0.1/project
public static String doGet(String httpurl){HttpURLConnection connection = nul；Inputstream is = null;BufferedReader br = null;String result = null;//返回结果字符串try {//创建远程ur连接对象URL url = new URL(httpurl);//通过远程url连接对象打开 个连接，强转成httpURLConnection类connection = (HttpURLConnection)url.openConnection();//设置连接力式：getconnection.setRequestMethod("GET");//设置连接主机服务器的超时时间：15000毫秒connection.setConnectTimeout(15000);//设置读取远程返回的数据时间：60000connection.setReadTimeout(60000);//发送请求connection.connect()://通过connection连接，获取输入流if (connection.getResponseCode()==200){is =connection.getInputStream();//封装输入流is，并指定字符集br= new BufferedReader(new inputStreamReader(is,"UTF-8"));//存放数据StringBuffer sbf = new StringBuffer();String temp = null;while ((temp = br.readline())!= null){sbf.append(temp);sbf.append("\r\n");}result = sbf.toString();}}catch (MalformedURLException e){e.printstackTrace():}catch (IOException e){e.printStackTrace();}finally {//关闭资源if (null != br){try{br.close();}catch(IOException e){e.printStackTrace();}}if(null !=is){try {is.close();}catch(IOException e){e.printStackTrace();}}connection.disconnect()://关闭远程连接}return result,}

post请求 参数json传输，

	//jSONObject aa=new jSONObject();//aa.put("","");//...//param=aa.toString();// httpurl=http:127.0.0.1/project
public static String dopost(string httpUrl ,String param, String token){HttpURLConnection connection=null;InputStream is = null;Outputstream os = null;BufferedReader br-=null ;String result = null,try{URL url = new URL(httpUrl)://通过远程url连接对象打开连接connection = (HttpURLConnection) url.openConnection();//设置连接请求方式connection.setRequestMethod("POST")://设置连接主机服务器超时时间：15000毫秒connection.setConnectTimeout(15000);//设置读取主机服务器返回数据超时时间：60000毫秒connection.setReadTimeout(60000);//默认值为：false，当向远程服务器传送数据/写数据时，需要设置trueconnection.setDoOutput(true);//默认值为：true，当前向远程服务读取数据时，设置为true，该参教可有可无connection.setDoInput(true);// 设置传入参教的格式请求参数应该是json 的形式。connection.setRequestPraperty("Content-Type","application/json);connecion setRequestPraperty("Charsert"."UTF-8");// 设置Token(票眠）信息：Aothorizationif(token != null){connection.setRequestProperty( "Authorization", token);}//通过连接对象获取一个输出流os = connection.getOutputStream();os.write(param.getBytes("UTF-8"));if(connection.getResponseCode() == 200){is = connection.getInputstream();StringBuffer sbf = new StringBuffer();String temp = null;//备环遍历一行一行读取数据while ((temp =br.readline())!= null){sbf.append(temp);sbf.append("\r\n");}result =sbf.toString();} else {System.out.println("连接失败");}}catch (MalformedURLException e){e.printStackTrace():}catch (IOException e){e.printStackTrace();}finally (//关闭资源if (null != br){try{br.close();}catch (IOException e){e.printStackTrace();}}if (null != os){try{os.close():}catch (IOException e){e.printStackTrace();}}if (null != is){try{is.close():}catch (IOException e){e.printStackTrace();}}connecion.disconnect();}return result;}

post 参数json传输，

	//jSONObject aa=new jSONObject(); //aa.put("","");//...//param=aa.toString();// httpurl=http:127.0.0.1/projectpublic static String doGet(String httpurl, String param){String username="123456";String password="123456;String auth=username +":"+password;String encodeAuth=new BASE64Encoder().encode(auth.getBytes());String authHeader="Basic "+encodeAuth;Outputstream os = null;HttpURLConnection connection = nullInputStream is = null;BufferedReader br= nul);String result= null;// 返回结果字符串try{//创建远程url连接对象URL url = new URL(httpurl);//通过远程url连接对象打开一个连接，强转成HttpURLConnectión类connection =(HttpURLConnectión) url.openConnection();//设置连接方式：getconnection.setRequestMethod("GET");//发送http请求时添加Authorization标头connection.setRequestProperty("Authorization",authHeader);//设置连接主机服务器超时时间：15000毫秒connection.setConnectTimeout(15000);//设置读取主机服务器返回数据超时时间：60000毫秒connection.setReadTimeout(60000);//默认值为：false，当向远程服务器传送数据/写数据时，需要设置trueconnection.setDoOutput(true);//默认值为：true，当前向远程服务读取数据时，设置为true，该参教可有可无connection.setDoInput(true);// 设置传入参教的格式请求参数应该是json 的形式。connection setRequestPraperty("Content-Type","application/json);connecion setRequestPraperty("Charsert"."UTF-8");// 通过连接对象获取一个输出流os = connection.getOutputStream();//通过输出流对象将参数写出去/传输出去，它是通过字节数组写出的os.write(param.getBytes("utf-8"));connection.connect();//通过connection连接，获取输入流if (connection.getResponseCode() == 200){is = connection.getInputStream();//封装输入流is，并指定字符集br = new BufferedReader(new inputStreamReader(is, "UTF-8");//存放数据StringBuffer sbf = new StringBuffer();String temp = null;while ((temp = br.readLine()) != nul){	sbf.append(temp):sbf.append("\r\n");}result= sbf.tostring();}}catch (MalformedURLException e){e.printStackTrace();}catch (IOException e){e.printstackTrace();}finally (//关闭资源if (null != br){try{br.close();}I catch (IOException e){e.printStackTrace();}}if (null != os){try{os.close():}catch (IOException e){e.printStackTrace();}}if (null != is){try{is.close():}catch (IOException e){e.printStackTrace();}}connecion.disconnect();}return result;}