调用接口:例如腾讯地图、微信
import com.alibaba.fastjson.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.net.ssl.*;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.ConnectException;
import java.net.URL;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
public class HttpsUtil {
???private static final Logger log = LoggerFactory.getLogger(HttpsUtil.class);
???/**
????* 发送https请求
????* @param requestUrl 请求地址
????* @param requestMethod 请求方式(GET、POST)
????* @param outputStr 提交的数据
????* @return JSONObject(通过JSONObject.get(key)的方式获取json对象的属性值)
????*/
???public static JSONObject httpsRequest(String requestUrl, String requestMethod, String outputStr) {
???????JSONObject jsonObject = null;
???????try {
???????????// 创建SSLContext对象,并使用我们指定的信任管理器初始化
???????????TrustManager[] tm = {new X509TrustManager() {
???????????????@Override
???????????????public void checkClientTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
???????????????}
???????????????@Override
???????????????public void checkServerTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
???????????????}
???????????????@Override
???????????????public X509Certificate[] getAcceptedIssuers() {
???????????????????return new X509Certificate[0];
???????????????}
???????????}};
???????????SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");
???????????sslContext.init(null, tm, new java.security.SecureRandom());
???????????// 从上述SSLContext对象中得到SSLSocketFactory对象
???????????SSLSocketFactory ssf = sslContext.getSocketFactory();
???????????URL url = new URL(requestUrl);
???????????HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
???????????conn.setSSLSocketFactory(ssf);
???????????conn.setDoOutput(true);
???????????conn.setDoInput(true);
???????????conn.setUseCaches(false);
???????????// 设置请求方式(GET/POST)
???????????conn.setRequestMethod(requestMethod);
???????????// 当outputStr不为null时向输出流写数据
???????????if (null != outputStr) {
???????????????OutputStream outputStream = conn.getOutputStream();
???????????????// 注意编码格式
???????????????outputStream.write(outputStr.getBytes("utf-8"));
???????????????outputStream.close();
???????????}
???????????// 从输入流读取返回内容
???????????InputStream inputStream = conn.getInputStream();
???????????InputStreamReader inputStreamReader = new InputStreamReader(inputStream, "utf-8");
???????????BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
???????????String str = null;
???????????StringBuffer buffer = new StringBuffer();
???????????while ((str = bufferedReader.readLine()) != null) {
???????????????buffer.append(str);
???????????}
???????????// 释放资源
???????????bufferedReader.close();
???????????inputStreamReader.close();
???????????inputStream.close();
???????????inputStream = null;
???????????conn.disconnect();
???????????jsonObject = JSONObject.parseObject(buffer.toString());
???????} catch (ConnectException ce) {
???????????log.error("连接超时:{}", ce);
???????} catch (Exception e) {
???????????log.error("https请求异常:{}", e);
???????}
???????return jsonObject;
???}
}
//调用演示:json使用后fastJson
//微信
JSONObject json = new JSONObject();json.put("touser", touser);json.put("template_id", templatId);
JSONObject result = HttpsUtil.httpsRequest(tmpurl, "POST", json.toString());//result为返回json数据
JSONObject resultJson = new JSONObject(result);
String errmsg = (String) resultJson.get("errmsg");
//腾讯地图
String mapUrl = SurveyConstant.ADDRESS_RESOLUTION+URLEncoder.encode("address="+prpLregist.getCheckAddress()+"&key="+ SurveyConstant.MAP_KEY,"utf-8");
??? JSONObject result = new JSONObject(HttpsUtil.httpsRequest(mapUrl, "GET", null));//虽然已经设置编码格式,但有写服务要求转码,转码后再发送请求
??? Integer resultStatus = (Integer) result.get("status");
??? JSONObject resultJson = result.getJSONObject("result");//返回json为hashmap 再次转化获取json数据
??? JSONObject locationJson = resultJson.getJSONObject("location");
lat = locationJson.get("lat").toString();lng = locationJson.get("lng").toString();
HttpsUtil
原文地址:https://www.cnblogs.com/god-monk/p/9371195.html