最近都在海峡人才网上看交流会信息：http://app.hxrc.com/services/rcjlh/jlhxx.aspx?id=1

但是它们的搜索似乎不能用？每次都要点开看企业的详细资料，好痛苦。。

今天又要招聘会了，偏偏半夜更新详细信息。

于是随意写了段乱乱的代码，没有注释，UI也随便乱写，可用就行。

界面长这样：输入人才交流会编号（在网页上点到链接的地方会看到rq=?）

import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;

/**
 * 查询关键词
 * 
 * @author YOYO
 * 
 */
public class SearchUtil {

	/*
	 * 海峡人才网URL
	 */
	private static final String rqurl = "http://app.hxrc.com/services/rcjlh/jlhxx.aspx?id=1&rq=";
	private static final String twurl = "http://app.hxrc.com/services/rcjlh/twxx.aspx?twid=";

	private static final String contentLeft = "<span class=\"p9\">";
	private static final String contentRight = "<a href=\"javascript:window.close();\">关闭窗口<br>";
	private static final String pageTotalRight = "</font></a>  ]<a href=\"jlhxx.aspx?rq=&viewpage=1&id=1";
	private static final String IDLeft = "twxx.aspx?twid=";
	private static final String IDRight = "\" target=\"_blank\">详细资料";
	private static final String companyNameLeft = "<span class=\"p9\"><font color =\"black\">";

	public static String search(int startID, int endID, String[] keys)
			throws MalformedURLException, IOException {
		StringBuffer ret = new StringBuffer("");

		int[] keyCount = new int[keys.length];

		// 打开和URL之间的连接
		HttpURLConnection conn;
		BufferedReader in = null;
		StringBuffer result;

		for (int i = startID, j = 1; i <= endID; ++i, ++j) {
			result = new StringBuffer("");

			conn = (HttpURLConnection) new URL(twurl + String.valueOf(i))
					.openConnection();

			in = new BufferedReader(new InputStreamReader(
					conn.getInputStream(), "UTF-8"));

			String line;
			while ((line = in.readLine()) != null) {
				result.append("\n" + line);
			}

			String context = result.toString().toLowerCase();
			context = context.substring(context.indexOf(contentLeft)
					+ contentLeft.length(), context.indexOf(contentRight));

			if (context.contains("对不起,没有满足条件的记录")) {
				--j;
			}

			// 处理公司姓名
			int companyNameIndex = context.indexOf(companyNameLeft)
					+ companyNameLeft.length();
			String companyName = context.substring(companyNameIndex, context
					.indexOf("\n", companyNameIndex + 1));
			companyName = companyName.replaceAll(" ", " ").trim();
			if (companyName.length() > 13) {
				companyName = companyName.substring(0, 13);
			}

			for (int k = 0; k < keys.length; ++k) {
				if (context.contains(keys[k].toLowerCase())) {
					++keyCount[k];
					ret.append("摊位号\"" + j + "\"【" + companyName + "】 包含关键词["
							+ keys[k] + "]。\n");
				}
			}

			in.close();
			conn.disconnect();
		}

		ret.append("总共检索" + (endID - startID + 1) + "条记录，其中：\n");
		for (int k = 0; k < keys.length; ++k) {
			ret.append("关键词[" + keys[k] + "]出现了 " + keyCount[k] + " 次。\n");
		}

		return ret.toString();
	}

	public static String searchRQ(int rq, String[] keys)
			throws MalformedURLException, IOException {

		// 打开和URL之间的连接
		HttpURLConnection conn = (HttpURLConnection) new URL(rqurl
				+ String.valueOf(rq) + "&viewpage=0").openConnection();
		StringBuffer result = new StringBuffer("");

		BufferedReader in = new BufferedReader(new InputStreamReader(conn
				.getInputStream(), "UTF-8"));

		String line;
		while ((line = in.readLine()) != null) {
			result.append("\n" + line);
		}

		in.close();
		conn.disconnect();

		String context = result.toString();
		int startID = Integer.parseInt(context.substring(context
				.indexOf(IDLeft)
				+ IDLeft.length(), context.indexOf(IDRight)));

		String pageTotalRight = SearchUtil.pageTotalRight.substring(0, 37) + rq
				+ SearchUtil.pageTotalRight.substring(37);
		int pageTotalIndex = context.indexOf(pageTotalRight) - 1;
		int pageTotal;
		if (pageTotalIndex > 0) {
			pageTotal = Integer.parseInt(context.substring(pageTotalIndex,
					pageTotalIndex + 1));
		} else {
			pageTotal = 1;
		}

		conn = (HttpURLConnection) new URL(rqurl + String.valueOf(rq)
				+ "&viewpage=" + String.valueOf(pageTotal - 1))
				.openConnection();
		in = new BufferedReader(new InputStreamReader(conn.getInputStream(),
				"UTF-8"));

		result = new StringBuffer("");
		while ((line = in.readLine()) != null) {
			result.append("\n" + line);
		}

		in.close();
		conn.disconnect();

		context = result.toString();

		int endID = Integer.parseInt(context.substring(context
				.lastIndexOf(IDLeft)
				+ IDLeft.length(), context.lastIndexOf(IDRight)));

		return search(startID, endID, keys);
	}

	/**
	 * @param args
	 * @throws IOException
	 */
	@SuppressWarnings("serial")
	public static void main(String[] args) throws Exception {
		new JFrame() {

			private JTextField rqField = new JTextField("");

			private JTextField keyField = new JTextField("");

			private JTextArea contextArea = new JTextArea("");

			private JScrollPane scrollPane = new JScrollPane(contextArea);

			{
				scrollPane
						.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
				scrollPane
						.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);

				this.setTitle("查询海峡人才网人才交流会招聘信息");
				this.setSize(350, 500);
				this.setLayout(new BorderLayout());
				this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

				this.add(new JPanel() {
					{
						this.setLayout(new GridLayout(2, 2));

						this.add(new JLabel("人才交流会编号:"));
						this.add(rqField);

						this.add(new JLabel("关键词(\"|\"分隔):"));
						this.add(keyField);
					}
				}, BorderLayout.NORTH);

				this.add(scrollPane, BorderLayout.CENTER);

				this.add(new JButton("开始查询") {
					{
						this.addActionListener(new ActionListener() {

							@Override
							public void actionPerformed(ActionEvent e) {
								if (keyField.getText().trim().length() == 0) {
									JOptionPane.showMessageDialog(null, "请输入关键字！");
									return;
								}
								try {
									int rq = Integer.valueOf(rqField.getText());
									String keys = keyField.getText();
									contextArea.setText(searchRQ(rq, keys
											.split("\\|")));
								} catch (Exception e1) {
									e1.printStackTrace();
								}
							}
						});
					}
				}, BorderLayout.SOUTH);
			}
		}.setVisible(true);
	}
}

因为是所有数据都读完后才一次输出，因此遇到大型招聘会的时候会卡一下。。

还有就是懒得读公司名，于是直接取招聘详细信息的第一行为名。

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