HttpClient实现调用外部项目接口工具类的示例

HttpClient实现调用外部项目接口工具类的示例

实例如下：

import java.io.IOException;

import java.net.URL;

import java.util.ArrayList;

import java.util.List;

iSWvuauWngKmport java.util.Map;

import org.apache.http.NameValuePair;

import org.apache.http.HttpEntity;

import org.apache.http.client.config.RequestConfig;

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.conn.ssl.DefaultHostnameVerifier;

import org.apache.http.conn.util.PublicSuffixMatcher;

import org.aSWvuauWngKpache.http.conn.util.PublicSuffixMatcherLoader;

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;

public class HttpUtils {

private static RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(15000).setConnectTimeout(15000)

.setConnectionRequestTimeout(15000).build();

public static String sendHttpGetSWvuauWngK(HttpGet httpGet) {

CloseableHttpClient httpClient = null;

CloseableHttpResponse response = null;

HttpEntity entity = null;

String responseContent = null;

try {

//http:// 创建默认的httpClient实例.

httpClient = HttpClients.createDefault();

httpGet.setConfig(requestConfig);

// 执行请求

response = httpClient.execute(httpGet);

entity = response.getEntity();

responseContent = EntityUtils.toString(entity, "UTF-8");

} catch (Exception e) {

e.printStackTrace();

} finally {

try {

// 关闭连接,释放资源

if (response != null) {

response.close();

}

if (httpClient != null) {

httpClient.close();

}

} catch (IOException e) {

e.printStackTrace();

}

}

return responseContent;

}

/**

* 发送 post请求

* @param httpUrl 地址

* @param maps 参数

*/

public static String sendHttpPost(String httpUrl, Map maps) {

HttpPost httpPost = new HttpPost(httpUrl);// 创建httpPost

// 创建参数队列

List nameValuePairs = new ArrayList();

for (String key : maps.keySet()) {

nameValuePairs.add(new BasicNameValuePair(key, maps.get(key)));

}

try {

httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs, "UTF-8"));

} catch (Exception e) {

e.printStackTrace();

}

return sendHttpPost(httpPost);

}

public static String sendHttpPost(HttpPost httpPost) {

CloseableHttpClient httpClient = null;

CloseableHttpResponse response = null;

HttpEntity entity = null;

String responseContent = null;

try {

// 创建默认的httpClient实例.

httpClient = HttpClients.createDefault();

httpPost.setConfig(requestConfig);

// 执行请求

response = httpClient.execute(httpPost);

entity = response.getEntity();

responseContent = EntityUtils.toString(entity, "UTF-8");

} catch (Exception e) {

e.printStackTrace();

} finally {

try {

// 关闭连接,释放资源

if (response != null) {

response.close();

}

if (httpClient != null) {

httpClient.close();

}

} catch (IOException e) {

e.printStackTrace();

}

}

return responseContent;

}

/**

* 发送Get请求Https

* @param httpPost

* @return

*/

public static String sendHttpsGet(HttpGet httpGet) {

CloseableHttpClient httpClient = null;

CloseableHttpResponse response = null;

HttpEntity entity = null;

String responseContent = null;

try {

// 创建默认的httpClient实例.

PublicSuffixMatcher publicSuffixMatcher = PublicSuffixMatcherLoader.load(new URL(httpGet.getURI().toString()));

DefaultHostnameVerifier hostnameVerifier = new DefaultHostnameVerifier(publicSuffixMatcher);

httpClient = HttpClients.cushttp://tom().setSSLHostnameVerifier(hostnameVerifier).build();

httpGet.setConfig(requestConfig);

// 执行请求

response = httpClient.execute(httpGet);

entity = response.getEntity();

responseContent = EntityUtils.toString(entity, "UTF-8");

} catch (Exception e) {

e.printStackTrace();

} finally {

try {

// 关闭连接,释放资源

if (response != null) {

response.close();

}

if (httpClient != null) {

httpClient.close();

}

} catch (IOException e) {

e.printStackTrace();

}

}

return responseContent;

}

}

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