使用Httpclient进行网络请求

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使用Httpclient进行网络请求

<dependency>
    <groupId>org.apache.httpcomponents</groupId>
    <artifactId>httpclient</artifactId>
    <version>4.5.2</version>
</dependency>

private JieqiUser login(String access_token,String openid){
        CloseableHttpClient httpClient = HttpClients.createDefault();
        try {
            URIBuilder uriBuilder = new URIBuilder(网址);
            uriBuilder.addParameter(参数1,值1);
            uriBuilder.addParameter(参数2,值2);
            uriBuilder.addParameter(参数3,值3);
            HttpGet httpGet = new HttpGet(uriBuilder.build());
            CloseableHttpResponse response = httpClient.execute(httpGet);
            //获取响应码
            int statusCode = response.getStatusLine().getStatusCode();
            if (statusCode==200) {
                String jsonStr = EntityUtils.toString(response.getEntity(), "utf-8");
                System.out.println("微信用户信息:" + jsonStr);
                response.close();
                httpClient.close();
                }
            }
        } catch (Exception e) {
            return null;
        }
        return null;
    }