依赖最下面的方法:
/**
* @Title:httpInterface
* @author:踏步
* @Description:TODO http访问网络
* @param url--HTTP请求地址
* @param paramsMap--请求参数Map
* @param method--HTTP请求方法：get或者post
* @param requestHeader--请求头参数Map
* @return Map*/
public static MaphttpInterface(String url, Map paramsMap, String method,
Map requestHeader) {
HttpGet get = null;// get访问
HttpPost post = null;// post访问
HttpResponse response = null;// 响应\ // http结果map
MaphttpMap = new HashMap(); try {
httpMap.put("code", "succeed");
System.out.println("HTTP请求地址: " + url); // 创建一个DefaultHttpClient的实例
DefaultHttpClient client = new DefaultHttpClient(); if (url.indexOf("HTTPS:") > -1) {
client = (DefaultHttpClient)WebClientDevWrapper.wrapClient(client);
} // 设置连接超时时间，单位毫秒
client.getParams().setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, 10000); // 等待结果超时时间,单位毫秒
client.getParams().setParameter(CoreConnectionPNames.SO_TIMEOUT, 20000); if (method.equalsIgnoreCase("GET")) { // get访问
get = new HttpGet(url); // 请求头参数不为空时，设置请求头
if (!QwyUtil.isNullAndEmpty(requestHeader)) { for (String key : requestHeader.keySet()) {
get.setHeader(key, requestHeader.get(key));
}
}
response = client.execute(get);
} else { // Post访问;
post = new HttpPost(url); // 请求头参数不为空时，设置请求头
if (!QwyUtil.isNullAndEmpty(requestHeader)) { for (String key : requestHeader.keySet()) {
post.setHeader(key, requestHeader.get(key));
}
} // 封装参数
if (!isNullAndEmpty(paramsMap)) {
Listparams = new ArrayList();
Iteratorkeys = paramsMap.keySet().iterator(); while (keys.hasNext()) {
String key = keys.next();
params.add(new BasicNameValuePair(key, paramsMap.get(key).toString()));
}
HttpEntity entity = new UrlEncodedFormEntity(params, "UTF-8");
post.setEntity(entity);
}
response = client.execute(post);
} if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
String str = EntityUtils.toString(response.getEntity(), "UTF-8");
JSONObject jsonObject = new JSONObject(str); return jsonToMap(jsonObject);
} else {
httpMap.put("code", "fail");
httpMap.put("message", "http访问异常：" + response.getStatusLine().toString());
System.out.println(response.getStatusLine().toString());
}
} catch (Exception e) {
httpMap.put("code", "fail");
httpMap.put("message", "http访问异常!");
e.printStackTrace();
System.out.println(e.getMessage());
} finally { return httpMap;
}
} /**
* @Title:jsonToMap
* @author:踏步
* @Description:TODO 将json转换成Map格式;
* @param json--JSONObject
* @return Map*/
public static Map jsonToMap(JSONObject json) {
Mapmap = new HashMap(); try { if (!isNullAndEmpty(json)) {
Iteratoriterator = json.keys(); while (iterator.hasNext()) {
String key = iterator.next();
map.put(key, json.get(key));
}
}
} catch (JSONException e) {
e.printStackTrace();
System.out.println(e.getMessage());
} return map;
}依赖此方法:
import org.apache.http.conn.scheme.Scheme;import org.apache.http.conn.scheme.SchemeRegistry;import org.apache.http.impl.client.DefaultHttpClient;import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;import java.security.cert.CertificateException;import java.security.cert.X509Certificate;import javax.net.ssl.SSLContext;import javax.net.ssl.TrustManager;import javax.net.ssl.X509TrustManager;/**
* 避免HttpClient的”SSLPeerUnverifiedException: peer not authenticated”异常
* 不用导入SSL证书
* @author shipengzhi(shipengzhi@)
* */public class WebClientDevWrapper { public static org.apache.http.client.HttpClient wrapClient(org.apache.http.client.HttpClient base) { try {
SSLContext ctx = SSLContext.getInstance("TLS");
X509TrustManager tm = new X509TrustManager() { public X509Certificate[] getAcceptedIssuers() { return null;
} public void checkClientTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {} public void checkServerTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {}
};
ctx.init(null, new TrustManager[] { tm }, null);
SchemeRegistry registry = new SchemeRegistry();
registry.register(new Scheme("https", new EasySSLSocketFactory(), 443));
registry.register(new Scheme("https", new EasySSLSocketFactory(), 9543));
ThreadSafeClientConnManager mgr = new ThreadSafeClientConnManager(base.getParams(),registry); return new DefaultHttpClient(mgr, base.getParams());
} catch (Exception ex) {
ex.printStackTrace(); return null;
}
}
}
