使用HTTPClient4.3开发的公众平台消息模板的推送功能
1 package com.yuanchuangyun.cyb.manager.busniess.impl;
2
3
4 import java.io.IOException;
5 import java.net.SocketTimeoutException;
6 import java.net.URI;
7 import java.nio.charset.StandardCharsets;
8 import java.security.GeneralSecurityException;
9 import java.security.cert.CertificateException;
10 import java.security.cert.X509Certificate;
11 import java.util.ArrayList;
12 import java.util.List;
13 import java.util.Map;
14 import java.util.Map.Entry;
15 import java.util.Set;
16
17 import javax.net.ssl.SSLContext;
18 import javax.net.ssl.SSLException;
19 import javax.net.ssl.SSLSession;
20 import javax.net.ssl.SSLSocket;
21
22 import org.apache.commons.io.IOUtils;
23 import org.apache.commons.lang.StringUtils;
24 import org.apache.http.Consts;
25 import org.apache.http.HttpEntity;
26 import org.apache.http.HttpResponse;
27 import org.apache.http.NameValuePair;
28 import org.apache.http.client.HttpClient;
29 import org.apache.http.client.config.RequestConfig;
30 import org.apache.http.client.config.RequestConfig.Builder;
31 import org.apache.http.client.entity.UrlEncodedFormEntity;
32 import org.apache.http.client.methods.CloseableHttpResponse;
33 import org.apache.http.client.methods.HttpGet;
34 import org.apache.http.client.methods.HttpPost;
35 import org.apache.http.conn.ConnectTimeoutException;
36 import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
37 import org.apache.http.conn.ssl.SSLContextBuilder;
38 import org.apache.http.conn.ssl.TrustStrategy;
39 import org.apache.http.conn.ssl.X509HostnameVerifier;
40 import org.apache.http.entity.ContentType;
41 import org.apache.http.entity.StringEntity;
42 import org.apache.http.impl.client.CloseableHttpClient;
43 import org.apache.http.impl.client.HttpClients;
44 import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
45 import org.apache.http.message.BasicNameValuePair;
46 import org.apache.http.util.EntityUtils;
47 import org.json.JSONException;
48 import org.json.JSONObject;
49
50
51 /**
52 * 依赖的jar包有：commons-lang-2.6.jar、httpclient-4.3.2.jar、httpcore-4.3.1.jar、commons-io-2.4.jar
53 * @author Renguoqiang
54 *
55 */
56 public class WeiXinTemplateMessageService {
57
58 public static final int connTimeout=10000;
59 public static final int readTimeout=10000;
60 public static final String charset="UTF-8";
61 private static HttpClient client = null;
62
63 static {
64 PoolingHttpClientConnectionManager cm = new PoolingHttpClientConnectionManager();
65 cm.setMaxTotal(128);
66 cm.setDefaultMaxPerRoute(128);
67 client = HttpClients.custom().setConnectionManager(cm).build();
68 }
69
70 public static String postParameters(String url, String parameterStr) throws ConnectTimeoutException, SocketTimeoutException, Exception{
71 return post(url,parameterStr,"application/x-www-form-urlencoded",charset,connTimeout,readTimeout);
72 }
73
74 public static String postParameters(String url, String parameterStr,String charset, Integer connTimeout, Integer readTimeout) throws ConnectTimeoutException, SocketTimeoutException, Exception{
75 return post(url,parameterStr,"application/x-www-form-urlencoded",charset,connTimeout,readTimeout);
76 }
77
78 public static String postParameters(String url, Map<String, String> params) throws ConnectTimeoutException,
79 SocketTimeoutException, Exception {
80 return postForm(url, params, null, connTimeout, readTimeout);
81 }
82
83 public static String postParameters(String url, Map<String, String> params, Integer connTimeout,Integer readTimeout) throws ConnectTimeoutException,
84 SocketTimeoutException, Exception {
85 return postForm(url, params, null, connTimeout, readTimeout);
86 }
87
88 public static String get(String url) throws Exception {
89 return get(url, charset, null, null);
90 }
91
92 public static String get(String url, String charset) throws Exception {
93 return get(url, charset, connTimeout, readTimeout);
94 }
95
96 /**
97 * 发送一个 Post 请求, 使用指定的字符集编码.
98 *
99 * @param url
100 * @param body RequestBody
101 * @param mimeType 例如 application/xml "application/x-www-form-urlencoded" a=1&b=2&c=3
102 * @param charset 编码
103 * @param connTimeout 建立链接超时时间,毫秒.
104 * @param readTimeout 响应超时时间,毫秒.
105 * @return ResponseBody, 使用指定的字符集编码.
106 * @throws ConnectTimeoutException 建立链接超时异常
107 * @throws SocketTimeoutException 响应超时
108 * @throws Exception
109 */
110 public static String post(String url, String body, String mimeType,String charset, Integer connTimeout, Integer readTimeout)
111 throws ConnectTimeoutException, SocketTimeoutException, Exception {
112 HttpClient client = null;
113 HttpPost post = new HttpPost(url);
114 String result = "";
115 try {
116 if (StringUtils.isNotBlank(body)) {
117 HttpEntity entity = new StringEntity(body, ContentType.create(mimeType, charset));
118 post.setEntity(entity);
119 }
120 // 设置参数
121 Builder customReqConf = RequestConfig.custom();
122 if (connTimeout != null) {
123 customReqConf.setConnectTimeout(connTimeout);
124 }
125 if (readTimeout != null) {
126 customReqConf.setSocketTimeout(readTimeout);
127 }
128 post.setConfig(customReqConf.build());
129
130 HttpResponse res;
131 if (url.startsWith("https")) {
132 // 执行 Https 请求.
133 client = createSSLInsecureClient();
134
135 HttpGet httpGet = new HttpGet("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=xxxxxxxxxxxxxxx&secret=xxxxxxxxxxxxxxxxxxxxxxxxxxxx");
136 HttpResponse responseGet = client.execute(httpGet);
137 //System.out.println(responseGet);
138 String responseText = EntityUtils.toString(responseGet.getEntity(), StandardCharsets.UTF_8);
139 //System.out.println(responseText);
140 httpGet.releaseConnection();
141 String access_token = "";
142 access_token = responseText.replaceAll("(?s).*access_token\":\"", "").replaceAll("(?s)\",\"expires_in.*", "");
143 System.out.println("access_token:"+access_token);
144
145 post.setURI(new URI(post.getURI()+access_token));
146
147 res = client.execute(post);
148 } else {
149 // 执行 Http 请求.
150 client = WeiXinTemplateMessageService.client;
151 res = client.execute(post);
152 }
153 result = IOUtils.toString(res.getEntity().getContent(), charset);
154 } finally {
155 post.releaseConnection();
156 if (url.startsWith("https") && client != null&& client instanceof CloseableHttpClient) {
157 ((CloseableHttpClient) client).close();
158 }
159 }
160 return result;
161 }
162
163
164 /**
165 * 提交form表单
166 *
167 * @param url
168 * @param params
169 * @param connTimeout
170 * @param readTimeout
171 * @return
172 * @throws ConnectTimeoutException
173 * @throws SocketTimeoutException
174 * @throws Exception
175 */
176 public static String postForm(String url, Map<String, String> params, Map<String, String> headers, Integer connTimeout,Integer readTimeout) throws ConnectTimeoutException,
177 SocketTimeoutException, Exception {
178
179 HttpClient client = null;
180 HttpPost post = new HttpPost(url);
181 try {
182 if (params != null && !params.isEmpty()) {
183 List<NameValuePair> formParams = new ArrayList<org.apache.http.NameValuePair>();
184 Set<Entry<String, String>> entrySet = params.entrySet();
185 for (Entry<String, String> entry : entrySet) {
186 formParams.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
187 }
188 UrlEncodedFormEntity entity = new UrlEncodedFormEntity(formParams, Consts.UTF_8);
189 post.setEntity(entity);
190 }
191
192 if (headers != null && !headers.isEmpty()) {
193 for (Entry<String, String> entry : headers.entrySet()) {
194 post.addHeader(entry.getKey(), entry.getValue());
195 }
196 }
197 // 设置参数
198 Builder customReqConf = RequestConfig.custom();
199 if (connTimeout != null) {
200 customReqConf.setConnectTimeout(connTimeout);
201 }
202 if (readTimeout != null) {
203 customReqConf.setSocketTimeout(readTimeout);
204 }
205 post.setConfig(customReqConf.build());
206 HttpResponse res = null;
207 if (url.startsWith("https")) {
208 // 执行 Https 请求.
209 client = createSSLInsecureClient();
210 res = client.execute(post);
211 } else {
212 // 执行 Http 请求.
213 client = WeiXinTemplateMessageService.client;
214 res = client.execute(post);
215 }
216 return IOUtils.toString(res.getEntity().getContent(), "UTF-8");
217 } finally {
218 post.releaseConnection();
219 if (url.startsWith("https") && client != null
220 && client instanceof CloseableHttpClient) {
221 ((CloseableHttpClient) client).close();
222 }
223 }
224 }
225
226
227
228
229 /**
230 * 发送一个 GET 请求
231 *
232 * @param url
233 * @param charset
234 * @param connTimeout 建立链接超时时间,毫秒.
235 * @param readTimeout 响应超时时间,毫秒.
236 * @return
237 * @throws ConnectTimeoutException 建立链接超时
238 * @throws SocketTimeoutException 响应超时
239 * @throws Exception
240 */
241 public static String get(String url, String charset, Integer connTimeout,Integer readTimeout)
242 throws ConnectTimeoutException,SocketTimeoutException, Exception {
243
244 HttpClient client = null;
245 HttpGet get = new HttpGet(url);
246 String result = "";
247 try {
248 // 设置参数
249 Builder customReqConf = RequestConfig.custom();
250 if (connTimeout != null) {
251 customReqConf.setConnectTimeout(connTimeout);
252 }
253 if (readTimeout != null) {
254 customReqConf.setSocketTimeout(readTimeout);
255 }
256 get.setConfig(customReqConf.build());
257
258 HttpResponse res = null;
259
260 if (url.startsWith("https")) {
261 // 执行 Https 请求.
262 client = createSSLInsecureClient();
263 res = client.execute(get);
264 } else {
265 // 执行 Http 请求.
266 client = WeiXinTemplateMessageService.client;
267 res = client.execute(get);
268 }
269
270 result = IOUtils.toString(res.getEntity().getContent(), charset);
271 } finally {
272 get.releaseConnection();
273 if (url.startsWith("https") && client != null && client instanceof CloseableHttpClient) {
274 ((CloseableHttpClient) client).close();
275 }
276 }
277 return result;
278 }
279
280
281 /**
282 * 从 response 里获取 charset
283 *
284 * @param ressponse
285 * @return
286 */
287 @SuppressWarnings("unused")
288 private static String getCharsetFromResponse(HttpResponse ressponse) {
289 // Content-Type:text/html; charset=GBK
290 if (ressponse.getEntity() != null && ressponse.getEntity().getContentType() != null && ressponse.getEntity().getContentType().getValue() != null) {
291 String contentType = ressponse.getEntity().getContentType().getValue();
292 if (contentType.contains("charset=")) {
293 return contentType.substring(contentType.indexOf("charset=") + 8);
294 }
295 }
296 return null;
297 }
298
299
300
301 /**
302 * 创建 SSL连接
303 * @return
304 * @throws GeneralSecurityException
305 */
306 private static CloseableHttpClient createSSLInsecureClient() throws GeneralSecurityException {
307 try {
308 SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {
309 public boolean isTrusted(X509Certificate[] chain,String authType) throws CertificateException {
310 return true;
311 }
312 }).build();
313
314 SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslContext, new X509HostnameVerifier() {
315 @Override
316 public boolean verify(String arg0, SSLSession arg1) {
317 return true;
318 }
319
320 @Override
321 public void verify(String host, SSLSocket ssl)
322 throws IOException {
323 }
324
325 @Override
326 public void verify(String host, X509Certificate cert)
327 throws SSLException {
328 }
329
330 @Override
331 public void verify(String host, String[] cns,
332 String[] subjectAlts) throws SSLException {
333 }
334 });
335
336 return HttpClients.custom().setSSLSocketFactory(sslsf).build();
337
338 } catch (GeneralSecurityException e) {
339 throw e;
340 }
341 }
342
343 public static void main(String[] args) {
344 try {
345 JSONObject jsonParam = new JSONObject();
346 try {
347 jsonParam.put("touser","o8cOBwvAJTSPbOhOInWlb7GYdKuA");
348 jsonParam.put("template_id","yke5zUpgAolH5FzxIj8OuzX_qQ2jAEVpFWpzkU7a59c");
349 jsonParam.put("url","http://weixin.qq.com/download");
350 jsonParam.put("data","{}");
351 } catch (JSONException e) {
352 System.out.println(e);
353 e.printStackTrace();
354 }
355 String jsonStr = jsonParam.toString();
356
357 String str= post("https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=",jsonStr,"application/json", "UTF-8", 10000, 10000);
358 System.out.println(str);
359 } catch (ConnectTimeoutException e) {
360 // TODO Auto-generated catch block
361 e.printStackTrace();
362 } catch (SocketTimeoutException e) {
363 // TODO Auto-generated catch block
364 e.printStackTrace();
365 } catch (Exception e) {
366 // TODO Auto-generated catch block
367 e.printStackTrace();
368 }
369 }
370 }
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