package com.nq.utils.http;
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import org.apache.http.HttpEntity;
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import org.apache.http.HttpResponse;
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import org.apache.http.NameValuePair;
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import org.apache.http.client.entity.UrlEncodedFormEntity;
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import org.apache.http.client.methods.HttpPost;
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import org.apache.http.impl.client.DefaultHttpClient;
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import org.apache.http.message.BasicNameValuePair;
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import org.apache.http.util.EntityUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.BufferedReader;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.net.URLConnection;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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public class HttpRequest {
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private static final Logger log = LoggerFactory.getLogger(HttpRequest.class);
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public static String doGet(String url, String params) throws Exception {
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URL localURL = new URL(url + params);
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URLConnection connection = localURL.openConnection();
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HttpURLConnection httpURLConnection = (HttpURLConnection) connection;
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httpURLConnection.setRequestProperty("Accept-Charset", "utf-8");
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httpURLConnection.setRequestProperty("Content-Type", "application/text");
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InputStream inputStream = null;
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InputStreamReader inputStreamReader = null;
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BufferedReader reader = null;
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StringBuffer resultBuffer = new StringBuffer();
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String tempLine = null;
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if (httpURLConnection.getResponseCode() >= 300) {
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throw new Exception("HTTP Request is not success, Response code is " + httpURLConnection
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.getResponseCode());
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}
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try {
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inputStream = httpURLConnection.getInputStream();
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inputStreamReader = new InputStreamReader(inputStream);
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reader = new BufferedReader(inputStreamReader);
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while ((tempLine = reader.readLine()) != null) {
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resultBuffer.append(tempLine);
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}
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} finally {
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if (reader != null) {
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reader.close();
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}
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if (inputStreamReader != null) {
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inputStreamReader.close();
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}
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if (inputStream != null) {
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inputStream.close();
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}
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}
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return resultBuffer.toString();
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}
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/*
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*抓數據專用，
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*signature：授權碼
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* timestamp：時間戳
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* url
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*/
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public static String doGrabGet(String url) throws Exception {
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// Request URL: http://gateway.jinyi999.cn/rjhy-news/api/1/tcy/news/hotlist?columnCodes=cjyw&appCode=tcy&showPermission=0&limit=20&hasContent=0&pageNo=1
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URL localURL = new URL(url);
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URLConnection connection = localURL.openConnection();
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HttpURLConnection httpURLConnection = (HttpURLConnection) connection;
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httpURLConnection.setRequestProperty("Accept-Charset", "utf-8");
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InputStream inputStream = null;
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InputStreamReader inputStreamReader = null;
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BufferedReader reader = null;
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StringBuffer resultBuffer = new StringBuffer();
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String tempLine = null;
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if (httpURLConnection.getResponseCode() >= 300) {
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throw new Exception("HTTP Request is not success, Response code is " + httpURLConnection
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.getResponseCode());
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}
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try {
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inputStream = httpURLConnection.getInputStream();
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inputStreamReader = new InputStreamReader(inputStream);
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//reader = new BufferedReader(inputStreamReader);
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reader = new BufferedReader(new InputStreamReader(connection.getInputStream(),"UTF-8"));
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while ((tempLine = reader.readLine()) != null) {
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resultBuffer.append(tempLine);
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}
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} finally {
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if (reader != null) {
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reader.close();
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}
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if (inputStreamReader != null) {
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inputStreamReader.close();
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}
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if (inputStream != null) {
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inputStream.close();
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}
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}
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return resultBuffer.toString();
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}
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public static String doPost(String url, Map<String, String> params) throws Exception {
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HttpPost httpPost = new HttpPost(url);
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DefaultHttpClient defaultHttpClient = new DefaultHttpClient();
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List<NameValuePair> nvps = new ArrayList<NameValuePair>();
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if (params != null) {
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BasicNameValuePair bnvp = null;
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for (Map.Entry<String, String> p : params.entrySet()) {
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bnvp = new BasicNameValuePair((String) p.getKey(), (String) p.getValue());
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}
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}
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httpPost.setEntity(new UrlEncodedFormEntity(nvps));
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HttpResponse response = defaultHttpClient.execute(httpPost);
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HttpEntity respEntity = response.getEntity();
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String text = EntityUtils.toString(respEntity, "UTF-8");
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defaultHttpClient.getConnectionManager().shutdown();
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return text;
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}
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public static void main(String[] args) {
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String url = "";
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String ips = "183.32.208.138";
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String getret = "";
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try {
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getret = doGet(url, ips);
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} catch (Exception e) {
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e.printStackTrace();
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}
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log.info("get ret : " + getret);
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}
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}
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