代码语言:javascript复制
String s = HttpUtil.sendPost("http://pv.sohu.com/cityjson");
JSONObject jsonObject = JSONObject.parseObject(s.substring(s.indexOf("{"), s.indexOf("}") 1));
jsonObject.get("cip");
jsonObject.get("cname");
代码语言:javascript复制/**
* Gets ip.
*
* @return the ip
*/
public static String getIp() {
String ip = null;
try {
String chinaz = "http://ip.chinaz.com/?nitmdw=xbnj02";
StringBuilder builder = new StringBuilder();
String temp;
HttpURLConnection urlConnection = (HttpURLConnection) new URL(chinaz).openConnection();
BufferedReader reader = new BufferedReader(new InputStreamReader(urlConnection.getInputStream(), StandardCharsets.UTF_8));
while ((temp = reader.readLine()) != null) {
builder.append(temp).append("n");
}
reader.close();
Pattern p = Pattern.compile(S);
Matcher m = p.matcher(builder.toString());
if (m.find()) {
String ipStr = m.group(1);
ip = ipStr;
}
} catch (IOException e) {
logger.error("", e);
}
return ip;
}
代码语言:javascript复制package com.zhuoan.im.webapp.common.util;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.http.Consts;
import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.ParseException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
/**
* @author weixiang.wu
*/
public class HttpUtil {
private static final CloseableHttpClient httpclient = HttpClients.createDefault();
/**
* 发送HttpGet请求
* @param url
* @return
*/
public static String sendGet(String url) {
HttpGet httpget = new HttpGet(url);
CloseableHttpResponse response = null;
try {
response = httpclient.execute(httpget);
} catch (IOException e1) {
e1.printStackTrace();
}
String result = null;
try {
HttpEntity entity = response.getEntity();
if (entity != null) {
result = EntityUtils.toString(entity);
}
} catch (ParseException | IOException e) {
e.printStackTrace();
} finally {
try {
response.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return result;
}
/**
* 发送HttpPost请求,参数为map
* @param url
* @param map
* @return
*/
public static String sendPost(String url, Map<String, String> map) {
List<NameValuePair> formparams = new ArrayList<NameValuePair>();
for (Map.Entry<String, String> entry : map.entrySet()) {
formparams.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
}
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(formparams, Consts.UTF_8);
HttpPost httppost = new HttpPost(url);
httppost.setEntity(entity);
CloseableHttpResponse response = null;
try {
response = httpclient.execute(httppost);
} catch (IOException e) {
e.printStackTrace();
}
HttpEntity entity1 = response.getEntity();
String result = null;
try {
result = EntityUtils.toString(entity1);
} catch (ParseException | IOException e) {
e.printStackTrace();
}
return result;
}
/**
* 发送不带参数的HttpPost请求
* @param url
* @return
*/
public static String sendPost(String url) {
HttpPost httppost = new HttpPost(url);
CloseableHttpResponse response = null;
try {
response = httpclient.execute(httppost);
} catch (IOException e) {
e.printStackTrace();
}
HttpEntity entity = response.getEntity();
String result = null;
try {
result = EntityUtils.toString(entity);
} catch (ParseException | IOException e) {
e.printStackTrace();
}
return result;
}
}