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删除 'project/JobCrawler.java'

main
LiuZihan 3 weeks ago
parent
commit
48f9f31324
  1. 86
      project/JobCrawler.java

86
project/JobCrawler.java

@ -1,86 +0,0 @@
package java01;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class JobCrawler {
private static final String USER_AGENT = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36";
public List<Job> crawlJobs(String keyword, int pageCount) {
List<Job> jobs = new ArrayList<>();
try {
for (int page = 1; page <= pageCount; page++) {
String encodedKeyword = URLEncoder.encode(keyword, "UTF-8");
String url = String.format("https://sou.zhaopin.com/?jl=489&kw=%s&p=%d", encodedKeyword, page);
System.out.println("爬取页面: " + url);
// 发送HTTP请求
String html = sendHttpRequest(url);
// 解析HTML,提取职位信息
List<Job> pageJobs = extractJobsFromHtml(html);
jobs.addAll(pageJobs);
// 添加延迟,避免被反爬虫
Thread.sleep(2000);
}
} catch (Exception e) {
e.printStackTrace();
}
return jobs;
}
private String sendHttpRequest(String urlString) throws Exception {
URL url = new URL(urlString);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setRequestMethod("GET");
conn.setRequestProperty("User-Agent", USER_AGENT);
conn.setConnectTimeout(10000);
conn.setReadTimeout(10000);
BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8"));
StringBuilder response = new StringBuilder();
String inputLine;
while ((inputLine = in.readLine()) != null) {
response.append(inputLine);
}
in.close();
conn.disconnect();
return response.toString();
}
private List<Job> extractJobsFromHtml(String html) {
List<Job> jobs = new ArrayList<>();
// 简化的正则表达式,实际项目中可能需要更复杂的解析
// 这里使用模拟数据,因为实际解析HTML需要更复杂的逻辑
// 在真实环境中,建议使用Jsoup等库进行HTML解析
// 模拟数据
for (int i = 1; i <= 10; i++) {
Job job = new Job(
"Java开发工程师" + i,
"科技公司" + i,
(10 + i) + "K-" + (20 + i) + "K",
"北京",
"3-5年",
"本科",
"Java Spring Boot MySQL Redis"
);
jobs.add(job);
}
return jobs;
}
}
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