1. HttpClientUtils 工具类：
package com.wxapp;
import java.io.BufferedReader;
import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.security.cert.X509Certificate;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.RequestConfig;
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.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* HttpClientUtils
*/
public class HttpClientUtils { /**
* 日志工具
*/
private static final Logger logger = LoggerFactory.getLogger(HttpClientUtils.class);
/**
* 5分钟
*/
public static final int MINUTE_FIVE = 300000;
/**
* 10分钟
*/
public static final int MINUTE_TEN = 600000;
/**
* HttpClient
*/
private static final HttpClient client = getInstance();
/**
* 让Httpclient支持https
*
* @return HttpClient
*/
private static HttpClient getInstance() { X509TrustManager x509mgr = new X509TrustManager() { public void checkClientTrusted(X509Certificate[] xcs, String string) { } public void checkServerTrusted(X509Certificate[] xcs, String string) { } public X509Certificate[] getAcceptedIssuers() { return null;
} };
SSLContext sslContext = null;
try { sslContext = SSLContext.getInstance(SSLConnectionSocketFactory.SSL);
sslContext.init(null, new TrustManager[] { x509mgr }, null);
} catch (Exception e) { logger.error("error to init httpclient", e);
} SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslContext, SSLConnectionSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
PoolingHttpClientConnectionManager connManager = new PoolingHttpClientConnectionManager();
connManager.setMaxTotal(400);// 客户端总并行链接最大数
connManager.setDefaultMaxPerRoute(40); // 每个主机的最大并行链接数
HttpClientBuilder httpClientBuilder = HttpClientBuilder.create();
httpClientBuilder.setConnectionManager(connManager);
httpClientBuilder.setSSLSocketFactory(sslsf);
return httpClientBuilder.build();
} public static final RequestConfig getDefaultTimeOutConfig() { return getTimeOutConfig(60000, 30000);
} private static final RequestConfig getTimeOutConfig(int socketTimeout, int connectionTimeout) { return RequestConfig.custom().setSocketTimeout(socketTimeout).setConnectTimeout(connectionTimeout).build();
} /**
* Get方法查询
*/
public static String getMethodGetResponse(String address) throws Exception { return getMethodGetResponse(address, getDefaultTimeOutConfig());
} /**
* Post方法查询
*/
public static String getMethodPostResponse(String address, HttpEntity paramEntity) throws Exception { RequestConfig config = getDefaultTimeOutConfig();
return getMethodPostResponse(address, paramEntity, config);
} /**
* 自定义超时的Get方法查询
*/
public static String getMethodGetResponse(String address, int connectionTimeout, int socketTimeout) throws Exception { return getMethodGetResponse(address, getTimeOutConfig(socketTimeout, connectionTimeout));
} /**
* 自定义超时的Post方法
*/
public static String getMethodPostResponse(String address, HttpEntity paramEntity, int connectionTimeout, int socketTimeout) throws Exception { RequestConfig config = getTimeOutConfig(socketTimeout, connectionTimeout);
return getMethodPostResponse(address, paramEntity, config);
} /**
* Post Entity
*/
public static byte[] getMethodPostBytes(String address, HttpEntity paramEntity) throws Exception { return getMethodPostContent(address, paramEntity, getDefaultTimeOutConfig());
} /**
* HttpClient get方法请求返回Entity
*/
public static byte[] getMethodGetContent(String address) throws Exception { return getMethodGetContent(address, getDefaultTimeOutConfig());
} /**
* HttpClient Get方法请求数据
*/
private static String getMethodGetResponse(String address, RequestConfig config) throws Exception { logger.info("Start Access Address(" + address + ") With Get Request");
byte[] result = getMethodGetContent(address, config);
return new String(result, "utf-8");
} /**
* HttpClient Post方法请求数据
*/
private static String getMethodPostResponse(String address, HttpEntity paramEntity, RequestConfig config) throws Exception { logger.info("Begin Access Url(" + address + ") By Post");
byte[] content = getMethodPostContent(address, paramEntity, config);
String result = new String(content, "utf-8");
logger.info("Response -> " + result);
return result;
} /**
* HttpClient get方法请求返回Entity
*/
private static byte[] getMethodGetContent(String address, RequestConfig config) throws Exception { HttpGet get = new HttpGet(address);
try { logger.info("Start Access Address(" + address + ") With Get Request");
get.setConfig(config);
HttpResponse response = client.execute(get);
if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) { int code = response.getStatusLine().getStatusCode();
throw new RuntimeException("HttpGet Access Fail , Return Code(" + code + ")");
} response.getEntity().getContent();
return convertEntityToBytes(response.getEntity());
} finally { if (get != null) { get.releaseConnection();
} } } /**
* Post Entity
*/
private static byte[] getMethodPostContent(String address, HttpEntity paramEntity, RequestConfig config) throws Exception { HttpPost post = new HttpPost(address);
try { if (paramEntity != null) { post.setEntity(paramEntity);
} post.setConfig(config);
HttpResponse response = client.execute(post);
if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) { int code = response.getStatusLine().getStatusCode();
throw new RuntimeException("HttpPost Request Access Fail Return Code(" + code + ")");
} HttpEntity entity = response.getEntity();
if (entity == null) { throw new RuntimeException("HttpPost Request Access Fail Response Entity Is null");
} return convertEntityToBytes(entity);
} finally { if (post != null) { post.releaseConnection();
} } } /**
* 转化返回为byte数组
*
*
* @param entity
* @return byte[]
* @throws Exception
*/
private static byte[] convertEntityToBytes(HttpEntity entity) throws Exception { InputStream inputStream = null;
try { if (entity == null || entity.getContent() == null) { throw new RuntimeException("Response Entity Is null");
} inputStream = entity.getContent();
ByteArrayOutputStream out = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int len = 0;
while ((len = inputStream.read(buffer)) != -1) { out.write(buffer, 0, len);
} out.flush();
return out.toByteArray();
} finally { if (inputStream != null) { inputStream.close();
} } } /**
* 发送消息工具
* @param path
* @param params
* @return
* @throws Exception
*/
public static String post(String path,String params) throws Exception{ if(path.startsWith("https")){ return https(path,params);
}else{ return http(path,params);
} } public static String http(String path,String params) throws Exception{ HttpURLConnection httpConn=null;
BufferedReader in=null;
PrintWriter out=null;
try { URL url=new URL(path);
httpConn=(HttpURLConnection)url.openConnection();
httpConn.setRequestMethod("POST");
httpConn.setDoInput(true);
httpConn.setDoOutput(true);
//发送post请求参数
out=new PrintWriter(httpConn.getOutputStream());
out.println(params);
out.flush();
//读取响应
if(httpConn.getResponseCode()==HttpURLConnection.HTTP_OK){ StringBuffer content=new StringBuffer();
String tempStr="";
in=new BufferedReader(new InputStreamReader(httpConn.getInputStream()));
while((tempStr=in.readLine())!=null){ content.append(tempStr);
} return content.toString();
}else{ throw new Exception("请求出现了问题!");
} } catch (IOException e) { e.printStackTrace();
}finally{ in.close();
out.close();
httpConn.disconnect();
} return null;
} public static String https(String path,String params) throws Exception { String res = null;
CloseableHttpClient client = HttpClientBuilder.create().build();
HttpPost request = new HttpPost(path);
RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(10000).setConnectTimeout(2000).build();// 设置请求和传输超时时间
request.setConfig(requestConfig);
StringEntity myEntity = new StringEntity(params, "UTF-8");
try { request.setEntity(myEntity);
CloseableHttpResponse response = client.execute(request);
res = EntityUtils.toString(response.getEntity());
return res;
} catch (Exception e) { e.printStackTrace();
} finally { if (client != null) { try { client.close();
} catch (IOException e) { e.printStackTrace();
} } } return null;
} }
2.调用：
public static java.util.Map getuserinfo(com.cms.ajax.AjaxModel model) throws Exception {
String code = (String) model.getValue("code");
System.out.println("code= " +code);
String user_ticket = null;
if(code==null||code==""){
Map resultMap = new LinkedHashMap();
resultMap.put("result", "code=null");
return resultMap;
}
//获取AccessToken并检测是否过期
if (AccessTokenInfo.getAccessToken() == null || AccessTokenInfo.getAccessToken().equals("")) {
String turk = "https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=wx3670d88&corpsecret=DaTGCxrRZFBSfLKw";
net.sf.json.JSONObject acereuslt = net.sf.json.JSONObject
.fromObject(HttpClientUtils.getMethodGetResponse(turk));
AccessTokenInfo.setAccessToken(acereuslt.getString("access_token"));
System.out.println("access_token= " + AccessTokenInfo.getAccessToken());
}
try {
String infourl = "https://qyapi.weixin.qq.com/cgi-bin/user/getuserinfo?access_token=" + AccessTokenInfo.getAccessToken()+ "&code=" + code;
System.out.println("infourl=" + infourl);
String tresult = HttpClientUtils.getMethodGetResponse(infourl);
net.sf.json.JSONObject tkjson = net.sf.json.JSONObject.fromObject(tresult);
System.out.println("tkjson1= " + tkjson);
user_ticket = tkjson.getString("user_ticket");
System.out.println("user_ticket= " + user_ticket);
} catch (Exception e) {
// access_token过期重新获取
String turk = "https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=wx36d688&corpsecret=DaTOrU0xrRZFBSfLKw";
net.sf.json.JSONObject acereuslt = net.sf.json.JSONObject
.fromObject(HttpClientUtils.getMethodGetResponse(turk));
AccessTokenInfo.setAccessToken(acereuslt.getString("access_token"));
System.out.println("刷新access_token= " + AccessTokenInfo.getAccessToken());
String infourl = "https://qyapi.weixin.qq.com/cgi-bin/user/getuserinfo?access_token=" + AccessTokenInfo.getAccessToken()+ "&code=" + code;
System.out.println("infourl=" + infourl);
String tresult = HttpClientUtils.getMethodGetResponse(infourl);
net.sf.json.JSONObject tkjson = net.sf.json.JSONObject.fromObject(tresult);
System.out.println("tkjson= " + tkjson);
user_ticket = tkjson.getString("user_ticket");
e.printStackTrace();
}
//获取手机号码
String url = "https://qyapi.weixin.qq.com/cgi-bin/user/getuserdetail?access_token=" + AccessTokenInfo.getAccessToken();
net.sf.json.JSONObject jo = new JSONObject();
jo.put("user_ticket", user_ticket);
String result = HttpClientUtils.post(url, jo.toString());
System.out.println(result);
String mobile = net.sf.json.JSONObject.fromObject(result).getString("mobile");
Map resultMap = new LinkedHashMap();
resultMap.put("result", mobile);
return resultMap;
}
注意地方
//获取手机号码
String url = "https://qyapi.weixin.qq.com/cgi-bin/user/getuserdetail?access_token=" +
这里是post请求，但是url的参数形式必须写成?access_token=xxx，不能把access_token参数设置在post请求体的参数形式去请求，url的地址必须跟官方保持一致