apach http 之 post 提交 from

Love The Way You Lie 2022-07-11 15:24 110阅读 0赞

// 创建默认的httpClient实例.
            CloseableHttpClient httpclient = HttpClients.createDefault();
            // 创建httppost
            HttpPost httppost = new HttpPost("http://localhost:6080/userLogin");
            // 创建参数队列
            List<NameValuePair> formparams = new ArrayList<NameValuePair>();
            formparams.add(new BasicNameValuePair("userName", ""));
            formparams.add(new BasicNameValuePair("userPassword", ""));
            UrlEncodedFormEntity uefEntity;
            try {
                uefEntity = new UrlEncodedFormEntity(formparams, "UTF-8");
                httppost.setEntity(uefEntity);
                System.out.println("executing request " + httppost.getURI());
                CloseableHttpResponse response = httpclient.execute(httppost);
                try {
                    HttpEntity entity = response.getEntity();
    
                    int statusCode = response.getStatusLine().getStatusCode();
    
                    if (200 ==statusCode) {
                        if (entity != null) {
                            System.out.println("--------------------------------------");
                            System.out.println("Response content: " + EntityUtils.toString(entity, "UTF-8"));
                            System.out.println("--------------------------------------");
                        }
                    }
                } finally {
                    response.close();
                }
            } catch (ClientProtocolException e) {
                e.printStackTrace();
            } catch (UnsupportedEncodingException e1) {
                e1.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            } finally {
                // 关闭连接,释放资源
                try {
                    httpclient.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }