java类中怎样连接到http

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java类中怎样连接到http20

请问如何在java类中，在main函数中调用一个方法，去链接到如www.baidu.com这样的超链接。。。
多谢大家了！！！

2010年8月22日 17:54

qx007~
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2个答案按时间排序按投票排序

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httpClient

2010年8月31日 15:54

2022228
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import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

public class TestConn {

    public TestConn() {
        super();
    }

    public static void main(String[] args) throws Exception {
        String url = null;
        getHttpText(url);
        System.out.println("abc");
    }

    public static String getHttpText(String str) {
        URL url = null;
        try {
            url = new URL(str);
        } catch (MalformedURLException e) {
            e.printStackTrace();
        }
        HttpURLConnection huc = null;
        try {

            huc = (HttpURLConnection) url.openConnection();
            huc.setRequestMethod("GET");
            huc.setRequestProperty("Content-Type",
                    "application/vnd.syncml.dm+xml");
            // application/x-www-form-urlencoded
            // application/vnd.syncml.dm+xml
            huc.setDoOutput(true);
            huc.setRequestProperty("Cache-Control", "private");
            huc.setRequestProperty("Accept-Charset", "utf-8");
            huc.setRequestProperty("Accept", "application/vnd.syncml.dm+xml");
            huc.setRequestProperty("Content-Length", "3");
            DataOutputStream printout;
            printout = new DataOutputStream(huc.getOutputStream());
            printout.writeBytes("abc");
        } catch (IOException e) {
            e.printStackTrace();
        }
        InputStream is = null;
        try {
            is = huc.getInputStream();
        } catch (IOException e) {
            e.printStackTrace();
        }
        BufferedReader br = new BufferedReader(new InputStreamReader(is));
        StringBuffer sb = new StringBuffer();
        String line = "";
        try {
            while ((line = br.readLine()) != null) {
                sb.append(line).append("\n");
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        return sb.toString();
    }

}

2010年8月22日 18:32

take_wave
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