java爬虫（爬取银行理财数据）

最新推荐文章于 2025-04-15 10:10:44 发布

rocksteadypro

最新推荐文章于 2025-04-15 10:10:44 发布

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分类专栏：爬虫

本文链接：https://blog.youkuaiyun.com/rocksteadypro/article/details/79009722

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本文介绍如何使用Java实现一个网络爬虫，专门针对银行网站进行理财产品的数据抓取。从网页结构分析到HTTP请求，再到HTML解析，详细讲解每个步骤，并展示关键代码片段，帮助读者理解并掌握Java爬虫技术在实际应用中的运用。

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import java.io.IOException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import org.apache.http.Consts;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.StatusLine;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpResponseException;
import org.apache.http.client.ResponseHandler;
import org.apache.http.client.config.CookieSpecs;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.BufferedHttpEntity;
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 com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.ningze.db.model.T003ProductInfo;
import com.ningze.rest.xiaobu.XiaobuAPI;

/**
 * **银行理财数据爬取
 * 
 * @author ROCK
 *
 */
public class KunlunBank {
	public static void main(String[] args) throws ClientProtocolException, IOException, ParseException {
		System.out.println(KunlunBank.getData());
		//getData();
		
	}
       public static List<T003ProductInfo> getData() throws ClientProtocolException, IOException, ParseException {
        RequestConfig globalConfig = RequestConfig.custom().setCookieSpec(CookieSpecs.DEFAULT).build();
        CloseableHttpClient httpClient = HttpClients.custom().setDefaultRequestConfig(globalConfig).build();
        RequestConfig localConfig = RequestConfig.copy(globalConfig).setCookieSpec(CookieSpecs.STANDARD_STRICT).build();
        
        String url_1 = "https://www.eklb.cn";
        //创建HttpGet实例
        HttpGet httpGet = new HttpGet(url_1);
        httpGet.setConfig(localConfig);
        //创建响应处理器处理服务器响应内容  
        ResponseHandler<String> veriCodeHandler = handler();
        //二次请求获取cookie覆盖第一次请求，证明是同一个浏览器访问，真正获取请求
        String response &

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