368 lines
14 KiB
Java
368 lines
14 KiB
Java
package me.ehlxr.utils;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.http.HttpEntity;
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import org.apache.http.HttpStatus;
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import org.apache.http.NameValuePair;
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import org.apache.http.client.config.CookieSpecs;
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import org.apache.http.client.config.RequestConfig;
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import org.apache.http.client.entity.UrlEncodedFormEntity;
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import org.apache.http.client.methods.CloseableHttpResponse;
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import org.apache.http.client.methods.HttpPost;
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import org.apache.http.config.Registry;
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import org.apache.http.config.RegistryBuilder;
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import org.apache.http.cookie.Cookie;
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import org.apache.http.cookie.CookieOrigin;
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import org.apache.http.cookie.CookieSpecProvider;
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import org.apache.http.entity.StringEntity;
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import org.apache.http.impl.client.BasicCookieStore;
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import org.apache.http.impl.client.CloseableHttpClient;
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import org.apache.http.impl.client.HttpClients;
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import org.apache.http.impl.cookie.BestMatchSpecFactory;
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import org.apache.http.impl.cookie.BrowserCompatSpec;
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import org.apache.http.impl.cookie.BrowserCompatSpecFactory;
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import org.apache.http.message.BasicNameValuePair;
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import java.io.*;
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import java.net.URL;
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import java.net.URLConnection;
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import java.net.URLEncoder;
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import java.nio.charset.StandardCharsets;
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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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/**
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* @author ehlxr
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*/
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@SuppressWarnings("deprecation")
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public class HttpClientUtil {
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private static final int TIME_OUT = 300000;
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private static final int BUFFERSIZE = 2048;
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private static Log log = LogFactory.getLog(HttpClientUtil.class);
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private static Registry<CookieSpecProvider> getRegistry() {
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return RegistryBuilder.<CookieSpecProvider>create().register(CookieSpecs.BEST_MATCH, new BestMatchSpecFactory())
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.register(CookieSpecs.BROWSER_COMPATIBILITY, new BrowserCompatSpecFactory()).register("easy", getCookieProvider()).build();
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}
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private static CookieSpecProvider getCookieProvider() {
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return arg0 -> {
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// TODO Auto-generated method stub
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return new BrowserCompatSpec() {
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@Override
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public void validate(Cookie cookie, CookieOrigin origin) {
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// Oh, I am easy
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}
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};
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};
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}
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public static String sendPostParamDefaultCookie(String url, Map<String, String> postParam) throws Exception {
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String result;
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StringBuffer out = null;
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CloseableHttpClient httpclient = null;
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HttpPost postmethod = null;
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RequestConfig requestConfig;
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HttpEntity entity;
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CloseableHttpResponse response = null;
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BasicCookieStore cookieStore;
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Registry<CookieSpecProvider> r;
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List<NameValuePair> nvps;
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BufferedReader br = null;
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InputStreamReader isr = null;
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InputStream inputStream = null;
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try {
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out = new StringBuffer();// 返回数据
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cookieStore = new BasicCookieStore();
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r = getRegistry();
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postmethod = new HttpPost(url);
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requestConfig = RequestConfig.custom().setCookieSpec("easy").setConnectionRequestTimeout(TIME_OUT).setConnectTimeout(TIME_OUT)
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.setSocketTimeout(TIME_OUT).build();
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httpclient = HttpClients.custom().setDefaultCookieSpecRegistry(r).setDefaultRequestConfig(requestConfig)
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.setDefaultCookieStore(cookieStore).build();
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nvps = new ArrayList<>();
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if (postParam != null && postParam.size() != 0) {
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for (String param : postParam.keySet()) {
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nvps.add(new BasicNameValuePair(param, postParam.get(param)));
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}
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}
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postmethod.setEntity(new UrlEncodedFormEntity(nvps, "UTF-8"));
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response = httpclient.execute(postmethod);
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int statusCode = response.getStatusLine().getStatusCode();
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if (statusCode == HttpStatus.SC_OK) {
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entity = response.getEntity();
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inputStream = entity.getContent();
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isr = new InputStreamReader(inputStream, StandardCharsets.UTF_8);
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br = new BufferedReader(isr);
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int count;
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char[] b = new char[BUFFERSIZE];
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while ((count = br.read(b, 0, BUFFERSIZE)) != -1) {
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out.append(new String(b, 0, count));
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}
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} else {
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out.append(SystemConstants.SYSTEM_ERROR);
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}
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} catch (Exception e) {
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out.append(SystemConstants.SYSTEM_ERROR);
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} finally {
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if (br != null) {
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br.close();
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}
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if (isr != null) {
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isr.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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if (response != null) {
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response.close();
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}
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if (postmethod != null) {
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postmethod.releaseConnection();
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}
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if (httpclient != null) {
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httpclient.close();
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}
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result = out.toString();
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out.setLength(0);
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out = null;
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}
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return result;
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}
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public static String sendPostParam(String url, Map<String, String> postParam) throws Exception {
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log.debug("请求地址：" + url);
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String result = null;
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StringBuffer out = null;
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CloseableHttpClient httpclient = null;
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HttpPost postmethod = null;
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RequestConfig requestConfig = null;
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HttpEntity entity = null;
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CloseableHttpResponse response = null;
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List<NameValuePair> nvps = null;
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BufferedReader br = null;
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InputStreamReader isr = null;
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InputStream inputStream = null;
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try {
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out = new StringBuffer();// 返回数据
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httpclient = HttpClients.createDefault();
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postmethod = new HttpPost(url);
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requestConfig = RequestConfig.custom().setConnectionRequestTimeout(TIME_OUT).setConnectTimeout(TIME_OUT).setSocketTimeout(TIME_OUT)
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.build();
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postmethod.setConfig(requestConfig);
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nvps = new ArrayList<NameValuePair>();
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if (postParam != null && postParam.size() != 0) {
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for (String param : postParam.keySet()) {
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nvps.add(new BasicNameValuePair(param, postParam.get(param)));
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}
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}
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postmethod.setEntity(new UrlEncodedFormEntity(nvps, "UTF-8"));
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response = httpclient.execute(postmethod);
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int statusCode = response.getStatusLine().getStatusCode();
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if (statusCode == HttpStatus.SC_OK) {
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entity = response.getEntity();
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inputStream = entity.getContent();
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isr = new InputStreamReader(inputStream, "UTF-8");
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br = new BufferedReader(isr);
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int count = 0;
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char[] b = new char[BUFFERSIZE];
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while ((count = br.read(b, 0, BUFFERSIZE)) != -1) {
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out.append(new String(b, 0, count));
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}
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} else {
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out.append(SystemConstants.SYSTEM_ERROR);
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}
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} catch (Exception e) {
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out.append(SystemConstants.SYSTEM_ERROR);
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} finally {
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if (br != null) {
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br.close();
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}
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if (isr != null) {
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isr.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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if (response != null) {
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response.close();
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}
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if (postmethod != null) {
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postmethod.releaseConnection();
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}
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if (httpclient != null) {
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httpclient.close();
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}
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result = out.toString();
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out.setLength(0);
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out = null;
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}
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return result;
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}
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public static String sendPostJSONData(String url, String json) throws Exception {
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System.out.println("请求地址：" + url);
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String result = null;
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StringBuffer out = null;
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CloseableHttpClient httpclient = null;
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HttpPost postmethod = null;
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RequestConfig requestConfig = null;
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HttpEntity entity = null;
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StringEntity strentity = null;
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CloseableHttpResponse response = null;
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BufferedReader br = null;
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InputStreamReader isr = null;
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InputStream inputStream = null;
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try {
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out = new StringBuffer();// 返回数据
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httpclient = HttpClients.createDefault();
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postmethod = new HttpPost(url);
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requestConfig = RequestConfig.custom().setConnectionRequestTimeout(TIME_OUT).setConnectTimeout(TIME_OUT).setSocketTimeout(TIME_OUT)
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.build();
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postmethod.setConfig(requestConfig);
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strentity = new StringEntity(URLEncoder.encode(json.toString(), "UTF-8"));
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postmethod.addHeader("Content-Type", "application/json");
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postmethod.setEntity(strentity);
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response = httpclient.execute(postmethod);
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System.out.println(response);
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int statusCode = response.getStatusLine().getStatusCode();
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if (statusCode == HttpStatus.SC_OK) {
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entity = response.getEntity();
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inputStream = entity.getContent();
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isr = new InputStreamReader(inputStream, "UTF-8");
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br = new BufferedReader(isr);
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int count = 0;
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char[] b = new char[BUFFERSIZE];
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while ((count = br.read(b, 0, BUFFERSIZE)) != -1) {
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out.append(new String(b, 0, count));
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}
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} else {
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out.append(SystemConstants.SYSTEM_ERROR);
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}
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} catch (Exception e) {
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out.append(SystemConstants.SYSTEM_ERROR);
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} finally {
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if (br != null) {
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br.close();
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}
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if (isr != null) {
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isr.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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if (response != null) {
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response.close();
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}
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if (postmethod != null) {
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postmethod.releaseConnection();
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}
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if (httpclient != null) {
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httpclient.close();
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}
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result = out.toString();
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out.setLength(0);
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out = null;
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}
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return result;
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}
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/**
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* 向指定URL发送GET方法的请求
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*
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* @param url 发送请求的URL
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* @return URL 所代表远程资源的响应结果
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*/
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public static String sendGet(String url) {
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String result = "";
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BufferedReader in = null;
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try {
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URL realUrl = new URL(url);
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// 打开和URL之间的连接
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URLConnection connection = realUrl.openConnection();
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// 设置通用的请求属性
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connection.setRequestProperty("accept", "*/*");
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connection.setRequestProperty("connection", "Keep-Alive");
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connection.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
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// 建立实际的连接
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connection.connect();
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// 定义 BufferedReader输入流来读取URL的响应
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in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
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String line;
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while ((line = in.readLine()) != null) {
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result += line;
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}
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} catch (Exception e) {
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System.out.println("发送GET请求出现异常！" + e);
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e.printStackTrace();
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}
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// 使用finally块来关闭输入流
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finally {
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try {
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if (in != null) {
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in.close();
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}
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} catch (Exception e2) {
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e2.printStackTrace();
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}
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}
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return result;
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}
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/**
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* 向指定 URL 发送POST方法的请求
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*
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* @param url 发送请求的 URL
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* @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
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* @return 所代表远程资源的响应结果
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*/
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public static String sendPost(String url, String param) {
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PrintWriter out = null;
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BufferedReader in = null;
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String result = "";
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try {
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URL realUrl = new URL(url);
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// 打开和URL之间的连接
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URLConnection conn = realUrl.openConnection();
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// 设置通用的请求属性
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conn.setRequestProperty("accept", "*/*");
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conn.setRequestProperty("connection", "Keep-Alive");
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conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
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// 发送POST请求必须设置如下两行
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conn.setDoOutput(true);
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conn.setDoInput(true);
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// 获取URLConnection对象对应的输出流
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out = new PrintWriter(conn.getOutputStream());
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// 发送请求参数
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out.print(param);
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// flush输出流的缓冲
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out.flush();
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// 定义BufferedReader输入流来读取URL的响应
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in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
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String line;
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while ((line = in.readLine()) != null) {
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result += line;
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}
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} catch (Exception e) {
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System.out.println("发送 POST 请求出现异常！" + e);
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e.printStackTrace();
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}
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// 使用finally块来关闭输出流、输入流
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finally {
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try {
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if (out != null) {
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out.close();
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}
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if (in != null) {
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in.close();
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}
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} catch (IOException ex) {
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ex.printStackTrace();
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}
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}
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return result;
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}
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}
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