HttpUtils 发送http请求工具类(实例讲解)

HttpUtils 发送发送http请求工具类请求工具类(实例讲解实例讲解)

下面小编就为大家带来一篇HttpUtils 发送http请求工具类(实例讲解)。小编觉得挺不错的，现在就分享给大家，也给

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废话不多说，直接上代码废话不多说，直接上代码

import java.io.IOException;

import java.io.UnsupportedEncodingException;

import java.net.URISyntaxException;

import java.util.ArrayList;

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.client.methods.HttpRequestBase;

import org.apache.http.client.utils.URIBuilder;

import org.apache.http.entity.StringEntity;

import org.apache.http.impl.client.CloseableHttpClient;

import org.apache.http.impl.client.HttpClients;

protected static Log logger = LogFactory.getLog(HttpClientUtil.class);

private static PoolingHttpClientConnectionManager cm;

private static String EMPTY_STR = "";

private static String UTF_8 = "UTF-8";

private static void init() {

if (cm == null) {

cm = new PoolingHttpClientConnectionManager();

cm.setMaxTotal(50);// 整个连接池最大连接数

cm.setDefaultMaxPerRoute(5);// 每路由最大连接数，默认值是2

*/

public static CloseableHttpClient getHttpClient() {

init();

return HttpClients.custom().setConnectionManager(cm).build();

}

public static String httpGetRequest(String url) {

HttpGet httpGet = new HttpGet(url);

return getResult(httpGet);

}

public static String httpGetRequest(String url, Map<String, Object> params) throws URISyntaxException {

return getResult(httpGet);

}

public static String httpGetRequest(String url, Map<String, Object> headers, Map<String, Object> params)

throws URISyntaxException {

URIBuilder ub = new URIBuilder();

ub.setPath(url);