Java中Https发送POST请求[亲测可用]

1、直接建一个工具类放入即可

/** * 发送https请求共用体 */public static JSONObject sendPost(String url,String parame,Map<String,Object> pmap) throws IOException, KeyManagementException, NoSuchAlgorithmException, NoSuchProviderException{ // 请求结果 JSONObject json = new JSONObject(); PrintWriter out = null; BufferedReader in = null; String result = ''; URL realUrl; HttpsURLConnection conn; String method = 'POST'; //查询地址 String queryString = url; //请求参数获取 String postpar = ''; //字符串请求参数 if(parame!=null){postpar = parame; } // map格式的请求参数 if(pmap!=null){StringBuffer mstr = new StringBuffer();for(String str:pmap.keySet()){ String val = (String) pmap.get(str); try {val=URLEncoder.encode(val,'UTF-8'); } catch (UnsupportedEncodingException e) {e.printStackTrace(); }mstr.append(str+'='+val+'&');}// 最终参数postpar = mstr.toString(); int lasts=postpar.lastIndexOf('&');postpar=postpar.substring(0, lasts); } if(method.toUpperCase().equals('GET')){queryString+='?'+postpar; } SSLSocketFactory ssf= HttpsClientUtils.getSSFactory(); try {realUrl= new URL(queryString);conn = (HttpsURLConnection)realUrl.openConnection();conn.setSSLSocketFactory(ssf);conn.setRequestProperty('Content-Type','application/x-www-form-urlencoded');conn.setRequestProperty('accept', '*/*');conn.setRequestProperty('connection', 'Keep-Alive');conn.setRequestProperty('user-agent','Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)');if(method.toUpperCase().equals('POST')){ conn.setDoOutput(true); conn.setDoInput(true); conn.setUseCaches(false); out = new PrintWriter(conn.getOutputStream()); out.print(postpar); out.flush();}else{ conn.connect();}in = new BufferedReader(new InputStreamReader(conn.getInputStream(),'utf-8'));String line;while ((line = in.readLine()) != null) { result += line;}json = JSONObject.fromObject(result); }finally {try { if (out != null) {out.close(); } if (in != null) {in.close(); }} catch (IOException ex) { ex.printStackTrace();} } return json;}

2、可能需要的包

import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.io.PrintWriter;import java.io.UnsupportedEncodingException;import java.net.URI;import java.net.URL;import java.net.URLEncoder;import java.security.KeyManagementException;import java.security.NoSuchAlgorithmException;import java.security.NoSuchProviderException;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import java.util.Map.Entry;import java.util.Random;import java.util.Set;import java.util.TreeMap;import javax.net.ssl.HttpsURLConnection;import javax.net.ssl.SSLSocketFactory;import net.sf.json.JSONObject;import org.apache.commons.codec.digest.DigestUtils;import org.apache.http.NameValuePair;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.client.utils.URIBuilder;import org.apache.http.entity.ContentType;import org.apache.http.entity.StringEntity;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;

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