import java.io.Serializable;

/**
 * @Description： <p> HttpClientResult  </p>
 * @Author： - Jason
 * @CreatTime：2019/7/24 - 17:57
 * @Modify By：
 * @ModifyTime： 2019/7/24
 * @Modify marker：
 */
public class HttpClientResult implements Serializable {

    /**
     * 響應(yīng)狀態(tài)碼
     */
    private int code;

    /**
     * 響應(yīng)數(shù)據(jù)
     */
    private String content;


    public HttpClientResult(int code) {
        this.code = code;
    }

    public HttpClientResult(int code, String content) {
        this.code = code;
        this.content = content;
    }

    public int getCode() {
        return code;
    }

    public void setCode(int code) {
        this.code = code;
    }

    public String getContent() {
        return content;
    }

    public void setContent(String content) {
        this.content = content;
    }
}

import org.apache.commons.httpclient.HttpStatus;
import org.apache.http.NameValuePair;
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.HttpDelete;
import org.apache.http.client.methods.HttpEntityEnclosingRequestBase;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
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;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;

/**
 * @Description： <p> HttpClientUtils  </p>
 * @Author： - Jason
 * @CreatTime：2019/7/24 - 17:42
 * @Modify By：
 * @ModifyTime： 2019/7/24
 * @Modify marker：
 */
public class HttpClientUtils {

    /**
     * 編碼格式。發(fā)送編碼格式統(tǒng)一用UTF-8
     */
    private static final String ENCODING = "UTF-8";

    /**
     * 設(shè)置連接超時(shí)時(shí)間走触，單位毫秒。
     */
    private static final int CONNECT_TIMEOUT = 6000;

    /**
     * 請(qǐng)求獲取數(shù)據(jù)的超時(shí)時(shí)間(即響應(yīng)時(shí)間)形导，單位毫秒。
     */
    private static final int SOCKET_TIMEOUT = 6000;


    /**
     * 發(fā)送get請(qǐng)求榛了；不帶請(qǐng)求頭和請(qǐng)求參數(shù)
     * @param url 請(qǐng)求地址
     * @return
     * @throws Exception
     */
    public static HttpClientResult doGet(String url) throws Exception {
        return doGet(url, null, null);
    }


    /**
     * 發(fā)送get請(qǐng)求凡桥；帶請(qǐng)求參數(shù)
     * @param url 請(qǐng)求地址
     * @param params 請(qǐng)求參數(shù)集合
     * @return
     * @throws Exception
     */
    public static HttpClientResult doGet(String url, Map<String, String> params) throws Exception {
        return doGet(url, null, params);
    }

    /**
     * 發(fā)送get請(qǐng)求；帶請(qǐng)求頭和請(qǐng)求參數(shù)
     * @param url 請(qǐng)求地址
     * @param headers  請(qǐng)求頭集合
     * @param params 請(qǐng)求參數(shù)集合
     * @return
     * @throws Exception
     */
    public static HttpClientResult doGet(String url, Map<String, String> headers, Map<String, String> params) throws Exception {
        // 創(chuàng)建httpClient對(duì)象
        CloseableHttpClient httpClient = HttpClients.createDefault();
        // 創(chuàng)建訪問(wèn)的地址
        URIBuilder uriBuilder = new URIBuilder(url);
        if (params != null) {
            Set<Map.Entry<String, String>> entrySet = params.entrySet();
            for (Map.Entry<String, String> entry : entrySet) {
                uriBuilder.setParameter(entry.getKey(), entry.getValue());
            }
        }
        // 創(chuàng)建http對(duì)象
        HttpGet httpGet = new HttpGet(uriBuilder.build());
        /**
         * setConnectTimeout：設(shè)置連接超時(shí)時(shí)間僵闯，單位毫秒。
         * setConnectionRequestTimeout：設(shè)置從connect Manager(連接池)獲取Connection
         * 超時(shí)時(shí)間藤滥，單位毫秒鳖粟。這個(gè)屬性是新加的屬性，因?yàn)槟壳鞍姹臼强梢怨蚕磉B接池的拙绊。
         * setSocketTimeout：請(qǐng)求獲取數(shù)據(jù)的超時(shí)時(shí)間(即響應(yīng)時(shí)間)向图，單位毫秒。 如果訪問(wèn)一個(gè)接口标沪，多少時(shí)間內(nèi)無(wú)法返回?cái)?shù)據(jù)榄攀，就直接放棄此次調(diào)用。
         */
        RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(CONNECT_TIMEOUT).setSocketTimeout(SOCKET_TIMEOUT).build();
        httpGet.setConfig(requestConfig);
        // 設(shè)置請(qǐng)求頭
        packageHeader(headers, httpGet);
        // 創(chuàng)建httpResponse對(duì)象
        CloseableHttpResponse httpResponse = null;
        try {
            // 執(zhí)行請(qǐng)求并獲得響應(yīng)結(jié)果
            return getHttpClientResult(httpResponse, httpClient, httpGet);
        } finally {
            // 釋放資源
            release(httpResponse, httpClient);
        }
    }

    /**
     * 發(fā)送post請(qǐng)求金句；不帶請(qǐng)求頭和請(qǐng)求參數(shù)
     * @param url 請(qǐng)求地址
     * @return
     * @throws Exception
     */
    public static HttpClientResult doPost(String url) throws Exception {
        return doPost(url, null, null);
    }

    /**
     * 發(fā)送post請(qǐng)求檩赢；帶請(qǐng)求參數(shù)
     *
     * @param url 請(qǐng)求地址
     * @param params 參數(shù)集合
     * @return
     * @throws Exception
     */
    public static HttpClientResult doPost(String url, Map<String, String> params) throws Exception {
        return doPost(url, null, params);
    }

    /**
     * 發(fā)送post請(qǐng)求；帶請(qǐng)求頭和請(qǐng)求參數(shù)
     *
     * @param url 請(qǐng)求地址
     * @param headers 請(qǐng)求頭集合
     * @param params 請(qǐng)求參數(shù)集合
     * @return
     * @throws Exception
     */
    public static HttpClientResult doPost(String url, Map<String, String> headers, Map<String, String> params) throws Exception {
        // 創(chuàng)建httpClient對(duì)象
        CloseableHttpClient httpClient = HttpClients.createDefault();

        // 創(chuàng)建http對(duì)象
        HttpPost httpPost = new HttpPost(url);
        /**
         * setConnectTimeout：設(shè)置連接超時(shí)時(shí)間违寞，單位毫秒贞瞒。
         * setConnectionRequestTimeout：設(shè)置從connect Manager(連接池)獲取Connection
         * 超時(shí)時(shí)間，單位毫秒趁曼。這個(gè)屬性是新加的屬性军浆，因?yàn)槟壳鞍姹臼强梢怨蚕磉B接池的。
         * setSocketTimeout：請(qǐng)求獲取數(shù)據(jù)的超時(shí)時(shí)間(即響應(yīng)時(shí)間)挡闰，單位毫秒乒融。 如果訪問(wèn)一個(gè)接口，多少時(shí)間內(nèi)無(wú)法返回?cái)?shù)據(jù)摄悯，就直接放棄此次調(diào)用赞季。
         */
        RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(CONNECT_TIMEOUT).setSocketTimeout(SOCKET_TIMEOUT).build();
        httpPost.setConfig(requestConfig);
        // 設(shè)置請(qǐng)求頭
        httpPost.setHeader("Cookie", "");
        httpPost.setHeader("Connection", "keep-alive");
        httpPost.setHeader("Accept","application/json, text/plain, */*");
        httpPost.setHeader("Accept-Language", "zh-CN,zh;q=0.9");
        httpPost.setHeader("Accept-Encoding", "gzip, deflate, br");
        httpPost.setHeader("User-Agent", "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36");
        httpPost.setHeader("Content type","application/json");
        packageHeader(headers, httpPost);
        // 封裝請(qǐng)求參數(shù)
        packageParam(params, httpPost);
        // 創(chuàng)建httpResponse對(duì)象
        CloseableHttpResponse httpResponse = null;
        try {
            // 執(zhí)行請(qǐng)求并獲得響應(yīng)結(jié)果
            return getHttpClientResult(httpResponse, httpClient, httpPost);
        } finally {
            // 釋放資源
            release(httpResponse, httpClient);
        }
    }


    /**
     * post請(qǐng)求通過(guò)jsonStr
     * @param url
     * @param reqJson
     * @return
     * @throws Exception
     */
    public static HttpClientResult doPostJson(String url, String reqJson) throws Exception {
        CloseableHttpClient httpClient = HttpClients.createDefault();
        HttpPost httpPost = new HttpPost(url);
        CloseableHttpResponse response = null;
        httpPost.setHeader("HTTP Method","POST");
        httpPost.setHeader("Connection","Keep-Alive");
        httpPost.setHeader("Content-Type","application/json;charset=utf-8");
        StringEntity entity = new StringEntity(reqJson);
        entity.setContentType("application/json;charset=utf-8");
        httpPost.setEntity(entity);
        try {
            response = httpClient.execute(httpPost);
            return getHttpClientResult(response, httpClient, httpPost);
        } finally {
            release(response, httpClient);
        }
    }


    /**
     * 發(fā)送put請(qǐng)求；不帶請(qǐng)求參數(shù)
     * @param url 請(qǐng)求地址
     * @return
     * @throws Exception
     */
    public static HttpClientResult doPut(String url) throws Exception {
        return doPut(url);
    }

    /**
     * 發(fā)送put請(qǐng)求射众；帶請(qǐng)求參數(shù)
     * @param url 請(qǐng)求地址
     * @param params 參數(shù)集合
     * @return
     * @throws Exception
     */
    public static HttpClientResult doPut(String url, Map<String, String> params) throws Exception {
        CloseableHttpClient httpClient = HttpClients.createDefault();
        HttpPut httpPut = new HttpPut(url);
        RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(CONNECT_TIMEOUT).setSocketTimeout(SOCKET_TIMEOUT).build();
        httpPut.setConfig(requestConfig);
        packageParam(params, httpPut);
        CloseableHttpResponse httpResponse = null;
        try {
            return getHttpClientResult(httpResponse, httpClient, httpPut);
        } finally {
            release(httpResponse, httpClient);
        }
    }

    /**
     * 發(fā)送delete請(qǐng)求碟摆；不帶請(qǐng)求參數(shù)
     * @param url 請(qǐng)求地址
     * @return
     * @throws Exception
     */
    public static HttpClientResult doDelete(String url) throws Exception {
        CloseableHttpClient httpClient = HttpClients.createDefault();
        HttpDelete httpDelete = new HttpDelete(url);
        RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(CONNECT_TIMEOUT).setSocketTimeout(SOCKET_TIMEOUT).build();
        httpDelete.setConfig(requestConfig);
        CloseableHttpResponse httpResponse = null;
        try {
            return getHttpClientResult(httpResponse, httpClient, httpDelete);
        } finally {
            release(httpResponse, httpClient);
        }
    }


    /**
     * 發(fā)送delete請(qǐng)求晃财；帶請(qǐng)求參數(shù)
     * @param url 請(qǐng)求地址
     * @param params  參數(shù)集合
     * @return
     * @throws Exception
     */
    public static HttpClientResult doDelete(String url, Map<String, String> params) throws Exception {
        if (params == null) {
            params = new HashMap<String, String>();
        }

        params.put("_method", "delete");
        return doPost(url, params);
    }

    /**
     * Description: 封裝請(qǐng)求頭
     * @param params
     * @param httpMethod
     */
    public static void packageHeader(Map<String, String> params, HttpRequestBase httpMethod) {
        // 封裝請(qǐng)求頭
        if (params != null) {
            Set<Map.Entry<String, String>> entrySet = params.entrySet();
            for (Map.Entry<String, String> entry : entrySet) {
                // 設(shè)置到請(qǐng)求頭到HttpRequestBase對(duì)象中
                httpMethod.setHeader(entry.getKey(), entry.getValue());
            }
        }
    }

    /**
     * Description: 封裝請(qǐng)求參數(shù)
     *
     * @param params
     * @param httpMethod
     * @throws UnsupportedEncodingException
     */
    public static void packageParam(Map<String, String> params, HttpEntityEnclosingRequestBase httpMethod)
            throws UnsupportedEncodingException {
        // 封裝請(qǐng)求參數(shù)
        if (params != null) {
            List<NameValuePair> nvps = new ArrayList<>();
            Set<Map.Entry<String, String>> entrySet = params.entrySet();
            for (Map.Entry<String, String> entry : entrySet) {
                nvps.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
            }
            // 設(shè)置到請(qǐng)求的http對(duì)象中
            httpMethod.setEntity(new UrlEncodedFormEntity(nvps, ENCODING));
        }
    }

    /**
     * 獲得響應(yīng)結(jié)果
     * @param httpResponse
     * @param httpClient
     * @param httpMethod
     * @return
     * @throws Exception
     */
    public static HttpClientResult getHttpClientResult(CloseableHttpResponse httpResponse,
                                                       CloseableHttpClient httpClient, HttpRequestBase httpMethod) throws Exception {
        // 執(zhí)行請(qǐng)求
        httpResponse = httpClient.execute(httpMethod);
        // 獲取返回結(jié)果
        if (httpResponse != null && httpResponse.getStatusLine() != null) {
            String content = "";
            if (httpResponse.getEntity() != null) {
                content = EntityUtils.toString(httpResponse.getEntity(), ENCODING);
            }
            return new HttpClientResult(httpResponse.getStatusLine().getStatusCode(), content);
        }
        return new HttpClientResult(HttpStatus.SC_INTERNAL_SERVER_ERROR);
    }

    /**
     * Description: 釋放資源
     *
     * @param httpResponse
     * @param httpClient
     * @throws IOException
     */
    public static void release(CloseableHttpResponse httpResponse, CloseableHttpClient httpClient) throws IOException {
        // 釋放資源
        if (httpResponse != null) {
            httpResponse.close();
        }
        if (httpClient != null) {
            httpClient.close();
        }
    }

}