在項(xiàng)目中，我們需要對(duì)url進(jìn)行解析處理垃帅，但是我們但是不知道url是post還是get請(qǐng)求延届，有時(shí)候呢，大量請(qǐng)求的時(shí)候有post也有g(shù)et請(qǐng)求贸诚，但是我們又希望能穩(wěn)定的得到書(shū)記方庭，那么我們?cè)撛趺刺幚砟兀?/p>

話不多說(shuō)厕吉，先上示例代碼：
package com.ky.common;

import org.apache.http.HttpEntity;
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.HttpGet;
import org.apache.http.client.methods.HttpPost;
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.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.util.*;
import java.util.Map.Entry;

/**

• @Author: xwj

• @Date: 2019/3/5 0005 16:13

• @Version 1.0
  */
  public class BaseFunction {

  /**

  • get請(qǐng)求
  • @param url url地址
  • @return string
    */
    private static String getRequest(String url) {
    CloseableHttpClient httpClient = null;
    CloseableHttpResponse response = null;
    String result = "";
    try {
    httpClient = HttpClients.createDefault();
    HttpGet httpGet = new HttpGet(url);
    httpGet.setHeader("Authorization", "Bearer da3efcbf-0845-4fe3-8aba-ee040be542c0");
    RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(60000)
    .setConnectionRequestTimeout(60000)
    .setSocketTimeout(80000)
    .build();
    httpGet.setConfig(requestConfig);
    response = httpClient.execute(httpGet);
    HttpEntity entity = response.getEntity();
    result = EntityUtils.toString(entity);
    } catch (IOException e) {
    e.printStackTrace();
    } finally {
    shutdown(response, httpClient);
    }
    return result;
    }

  /**

  • post請(qǐng)求
  • @param url url地址
  • @return string
    */
    private static String postRequest(String url) {
    Map<String, Object> paramMap = new HashMap<>();
    paramMap.put("Accept-Charset", "utf-8");
    paramMap.put("Content-Type", "application/x-www-form-urlencoded");
    paramMap.put("Content-Length", "");
    CloseableHttpClient httpClient = null;
    CloseableHttpResponse httpResponse = null;
    String result = "";
    httpClient = HttpClients.createDefault();
    HttpPost httpPost = new HttpPost(url);
    RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(60000)
    .setConnectionRequestTimeout(35000)
    .setSocketTimeout(60000)
    .build();
    httpPost.setConfig(requestConfig);
    httpPost.addHeader("Content-Type", "application/x-www-form-urlencoded");
    if (paramMap.size() > 0) {
    List<NameValuePair> nvps = new ArrayList<>();
    Set<Entry<String, Object>> entrySet = paramMap.entrySet();
    for (Entry<String, Object> mapEntry : entrySet) {
    nvps.add(new BasicNameValuePair(mapEntry.getKey(), mapEntry.getValue().toString()));
    }
    // 為httpPost設(shè)置封裝好的請(qǐng)求參數(shù)
    try {
    httpPost.setEntity(new UrlEncodedFormEntity(nvps, "UTF-8"));
    } catch (UnsupportedEncodingException e) {
    e.printStackTrace();
    }
    }
    try {
    httpResponse = httpClient.execute(httpPost);
    HttpEntity entity = httpResponse.getEntity();
    result = EntityUtils.toString(entity);
    } catch (IOException e) {
    e.printStackTrace();
    } finally {
    shutdown(httpResponse, httpClient);
    }
    return result;
    }

/**
 * 釋放連接
 *
 * @param response   響應(yīng)
 * @param httpClient 客戶端實(shí)例
 */
private static void shutdown(final CloseableHttpResponse response, final CloseableHttpClient httpClient) {
    Runtime.getRuntime().addShutdownHook(new Thread(() -> {
        if (response != null) {
            try {
                response.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (httpClient != null) {
            try {
                httpClient.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }));
}

/**
 * 判斷請(qǐng)求的方法是get還是post
 *
 * @param url
 * @return
 */
public static String parseUrl(String url) {
    HttpURLConnection httpURLConnection = null;
    String method = "";
    String post = "POST";
    String get = "GET";
    String data = "";
    try {
        URL localUrl = new URL(url);
        URLConnection connection = null;
        connection = localUrl.openConnection();
        httpURLConnection = (HttpURLConnection) connection;
        method = httpURLConnection.getRequestMethod();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (httpURLConnection != null) {
            httpURLConnection.disconnect();
        }
    }
    if (method.equalsIgnoreCase(post)) {
        data = postRequest(url);
    } else if (method.equalsIgnoreCase(get)) {
        data = getRequest(url);
    } else {
        try {
            throw new Exception(String.format("HTTP Request is not success, please sure the url:%s is correct", url));
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    return data;
}

}

我引入的包，只作單純的請(qǐng)求械念，只要最后2個(gè)包就可以了：

<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.2</version>
</dependency>

    <dependency>
        <groupId>commons-io</groupId>
        <artifactId>commons-io</artifactId>
        <version>2.5</version>
    </dependency>

    <dependency>
        <groupId>commons-lang</groupId>
        <artifactId>commons-lang</artifactId>
        <version>2.6</version>
    </dependency>

    <dependency>
        <groupId>org.apache.httpcomponents</groupId>
        <artifactId>httpclient</artifactId>
        <version>4.4.1</version>
    </dependency>

    <dependency>
        <groupId>org.apache.httpcomponents</groupId>
        <artifactId>httpcore</artifactId>
        <version>4.4.1</version>
    </dependency>