java http 心跳_java 发送 http 请求

public class VoteHandler implements IVoteHandler {

private static final Logger LOGGER = LoggerFactory.getLogger(RecorduvpvHandler.class);

@Override

public void invoke() {

final String postUrl = "http://localhost:8080/v1/vote/taskEnableControlVote";

BufferedReader bufferedReader = null;

try {

URL url = new URL(postUrl);

// 打开和url之间的链接

HttpURLConnection conn = (HttpURLConnection) url

.openConnection();

// 设置请求属性

conn.setRequestProperty("connection", "Keep-Alive");

conn.setDoOutput(true);

conn.setDoInput(true);

// Set the post method. Default is GET

conn.setRequestMethod("POST");

// Post cannot use caches

// Post 请求不能使用缓存

conn.setUseCaches(false);

// 定义BufferedReader输入流来读取url相应

bufferedReader = new BufferedReader(new InputStreamReader(conn.getInputStream()));

String line;

String result = "";

while ((line = bufferedReader.readLine()) != null) {

result += line;

}

LOGGER.info("请求响应结果:"+ JSON.toJSONString(result));

}catch (Exception e){

LOGGER.info("请求异常:"+e.getMessage());

}

finally {

try {

if (bufferedReader != null) {

bufferedReader.close();

}

}catch (Exception e){

LOGGER.info("流关闭异常:"+e.getMessage());

}

}

}

}