package com.haiyisoft.cAssistant.utils;
import java.io.IOException;
import java.util.ArrayList; ?
import java.util.Iterator; ?
import java.util.List; ?
import java.util.Map; ?
import java.util.Map.Entry;
import org.apache.http.HttpEntity; ?
import org.apache.http.HttpResponse; ?
import org.apache.http.NameValuePair; ?
import org.apache.http.client.HttpClient; ?
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.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair; ?
import org.apache.http.util.EntityUtils; ?
?
/* ?
* 利用HttpClient进行post请求的工具类 ?
*/ ?
public class HttpClientUtil { ?
???public static String doPost(String url, Map<String, String> map, String charset) { ?
???????HttpClient httpClient = null; ?
???????HttpPost httpPost = null; ?
???????String result = null; ?
???????try { ?
???????????httpClient = new SSLClient(); ?
???????????httpPost = new HttpPost(url); ?
???????????// 设置参数 ?
???????????List<NameValuePair> list = new ArrayList<NameValuePair>(); ?
???????????Iterator iterator = map.entrySet().iterator(); ?
???????????while (iterator.hasNext()) { ?
???????????????Entry<String, String> elem = (Entry<String, String>) iterator ?
???????????????????????.next(); ?
???????????????list.add(new BasicNameValuePair(elem.getKey(), elem.getValue())); ?
???????????} ?
???????????if (list.size() > 0) { ?
???????????????UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, ?
???????????????????????charset); ?
???????????????httpPost.setEntity(entity); ?
???????????} ?
???????????HttpResponse response = httpClient.execute(httpPost); ?
???????????if (response != null) { ?
???????????????HttpEntity resEntity = response.getEntity(); ?
???????????????if (resEntity != null) { ?
???????????????????result = EntityUtils.toString(resEntity, charset); ?
???????????????} ?
???????????} ?
???????} catch (Exception ex) { ?
???????????ex.printStackTrace(); ?
???????????return "888888";/**链接失败*/
???????} ?
???????return result; ?
???} ?
???
public ?String doGet(String url, Map<String, String> param) {
// 创建Httpclient对象
CloseableHttpClient httpclient = HttpClients.createDefault();
String resultString = "";
CloseableHttpResponse response = null;
try {
// 创建uri
URIBuilder builder = new URIBuilder(url);
if (param != null) {
for (String key : param.keySet()) {
builder.addParameter(key, param.get(key));
}
}
java.net.URI uri = builder.build();
// 创建http GET请求
HttpGet httpGet = new HttpGet(uri);
// 执行请求
response = httpclient.execute(httpGet);
// 判断返回状濁是否为200
if (response.getStatusLine().getStatusCode() == 200) {
resultString = EntityUtils.toString(response.getEntity(),
"iso8859-1");
}
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (response != null) {
response.close();
}
httpclient.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return resultString;
}
}
==========================================
package com.haiyisoft.cAssistant.utils;
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; ?
?
import org.apache.http.conn.ClientConnectionManager; ?
import org.apache.http.conn.scheme.Scheme; ?
import org.apache.http.conn.scheme.SchemeRegistry; ?
import org.apache.http.conn.ssl.SSLSocketFactory; ?
import org.apache.http.impl.client.DefaultHttpClient; ?
?
//用于进行Https请求的HttpClient ???
@SuppressWarnings("deprecation")
public class SSLClient extends DefaultHttpClient { ?
???public SSLClient() throws Exception { ?
???????super(); ?
???????SSLContext ctx = SSLContext.getInstance("TLS"); ?
???????X509TrustManager tm = new X509TrustManager() { ?
???????????@Override ?
???????????public void checkClientTrusted(X509Certificate[] chain, ?
???????????????????String authType) throws CertificateException { ?
???????????} ?
?
???????????@Override ?
???????????public void checkServerTrusted(X509Certificate[] chain, ?
???????????????????String authType) throws CertificateException { ?
???????????} ?
?
???????????@Override ?
???????????public X509Certificate[] getAcceptedIssuers() { ?
???????????????return null; ?
???????????} ?
???????}; ?
???????ctx.init(null, new TrustManager[] { tm }, null); ?
???????SSLSocketFactory ssf = new SSLSocketFactory(ctx, ?
???????????????SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER); ?
???????ClientConnectionManager ccm = this.getConnectionManager(); ?
???????SchemeRegistry sr = ccm.getSchemeRegistry(); ?
???????sr.register(new Scheme("https", 443, ssf)); ?
???} ?
} ?
发送http请求和https请求的工具类
原文地址：https://www.cnblogs.com/zhangzhiqin/p/9933978.html