老师 足交 HttpClientUtils 器具类
添加依赖老师 足交
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.5.5</version>
</dependency>
代码
package com.utils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.ParseException;
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.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
/**
* @author 余胜军
* @ClassName HttpClients
* @qq 644064779
* @addres www.mayikt.com
* 微信:yushengjun644
*/
public class HttpClientUtils {
private static final CloseableHttpClient httpClient;
public static final String CHARSET = "UTF-8";
private static final Log log = LogFactory.getLog(HttpClientUtils.class);
// 接受静态代码块，运篡改超常常间成就，再把柄成就生成默许httpClient对象
static {
RequestConfig config = RequestConfig.custom().setConnectTimeout(60000).setSocketTimeout(15000).build();
httpClient = HttpClientBuilder.create().setDefaultRequestConfig(config).build();
}老师 足交
public static String doGet(String url， Map<String， String> params) {
return doGet(url， params， CHARSET);
}
public static String doPost(String url， Map<String， String> params) throws IOException {
return doPost(url， params， CHARSET);
}
/**
* HTTP Get 取得实践
*
* @param url 申请的url地址 ?之前的地址
* @param params 申请的参数
* @param charset 编码口头
* @return 页面实践
*/
public static String doGet(String url， Map<String， String> params， String charset) {
try {
if (params != null && !params.isEmpty()) {
List<NameValuePair> pairs = new ArrayList<NameValuePair>(params.size());
for (Map.Entry<String， String> entry : params.entrySet()) {
String value = entry.getValue();
if (value != null) {
pairs.add(new BasicNameValuePair(entry.getKey()， value));
}
}
// 将申请参数和url进行拼接
url += "?" + EntityUtils.toString(new UrlEncodedFormEntity(pairs， charset));
}
HttpGet httpGet = new HttpGet(url);
CloseableHttpResponse response = httpClient.execute(httpGet);
int statusCode = response.getStatusLine().getStatusCode();
if (statusCode != 200) {
httpGet.abort();
throw new RuntimeException("HttpClient，error status code :" + statusCode);
}
HttpEntity entity = response.getEntity();
String result = null;
if (entity != null) {
result = EntityUtils.toString(entity， "utf-8");
}
EntityUtils.consume(entity);
response.close();
return result;
裸舞推特} catch (Exception e) {
log.error("申请处事器端出错:" + e);
return null;
}
}
/**
* HTTP Post 取得实践
*
* @param url 申请的url地址 ?之前的地址
* @param params 申请的参数
* @param charset 编码口头
* @return 页面实践
* @throws IOException
*/
public static String doPost(String url， Map<String， String> params， String charset)
throws IOException {
List<NameValuePair> pairs = null;
if (params != null && !params.isEmpty()) {
pairs = new ArrayList<NameValuePair>(params.size());
for (Map.Entry<String， String> entry : params.entrySet()) {
String value = entry.getValue();
if (value != null) {
pairs.add(new BasicNameValuePair(entry.getKey()， value));
}
}
}
HttpPost httpPost = new HttpPost(url);
if (pairs != null && pairs.size() > 0) {
httpPost.setEntity(new UrlEncodedFormEntity(pairs， CHARSET));
}
CloseableHttpResponse response = null;
try {
response = httpClient.execute(httpPost);
int statusCode = response.getStatusLine().getStatusCode();
if (statusCode != 200) {
httpPost.abort();
throw new RuntimeException("HttpClient，error status code :" + statusCode);
}
HttpEntity entity = response.getEntity();
String result = null;
if (entity != null) {
result = EntityUtils.toString(entity， "utf-8");
}
EntityUtils.consume(entity);
return result;
} catch (ParseException e) {
log.error("申请处事器端出错:" + e);
return null;
} finally {
if (response != null)
response.close();
}
}
}
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