【2019.5】java中使用apache.commons.httpclient 快速實作簡單的HTTP請求

java中使用 apache.commons.httpclient 快速實作簡單的HTTP請求

添加 mavan 依賴 或者導入jar包 commons-httpclient

<!-- https://mvnrepository.com/artifact/commons-httpclient/commons-httpclient -->
		<dependency>
    		<groupId>commons-httpclient</groupId>
    		<artifactId>commons-httpclient</artifactId>
    		<version>3.1</version>
		</dependency>
           

封裝好的代碼

package com.***.utils;
/**
* @Description 類描述：
* @ClassName 類名稱：
* @author yb.w
* @version 建立時間：2019年4月23日 下午2:08:18
*/

import java.io.IOException;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.params.HttpMethodParams;

public class HttpClientHelper {
	public static String sendPost(String urlParam) throws HttpException, IOException {
        // 建立httpClient執行個體對象
        HttpClient httpClient = new HttpClient();
        // 設定httpClient連接配接主機伺服器逾時時間：15000毫秒
        httpClient.getHttpConnectionManager().getParams().setConnectionTimeout(15000);
        // 建立post請求方法執行個體對象
        PostMethod postMethod = new PostMethod(urlParam);
        // 設定post請求逾時時間
        postMethod.getParams().setParameter(HttpMethodParams.SO_TIMEOUT, 60000);
        postMethod.addRequestHeader("Content-Type", "application/json");

        httpClient.executeMethod(postMethod);

        String result = postMethod.getResponseBodyAsString();
        postMethod.releaseConnection();
        return result;
    }
    
    public static String sendGet(String urlParam) throws HttpException, IOException {
        // 建立httpClient執行個體對象
        HttpClient httpClient = new HttpClient();
        // 設定httpClient連接配接主機伺服器逾時時間：15000毫秒
        httpClient.getHttpConnectionManager().getParams().setConnectionTimeout(15000);
        // 建立GET請求方法執行個體對象
        GetMethod getMethod = new GetMethod(urlParam);
        // 設定post請求逾時時間
        getMethod.getParams().setParameter(HttpMethodParams.SO_TIMEOUT, 60000);
        getMethod.addRequestHeader("Content-Type", "application/json");

        httpClient.executeMethod(getMethod);

        String result = getMethod.getResponseBodyAsString();
        getMethod.releaseConnection();
        return result;
    }
 
 // main方法，測試
    public static void main(String[] args) throws HttpException, IOException {
        String url ="http://baidu.com";
        System.out.println(sendPost(url));
        
    }
}