HTTP-java模拟Get请求小栗子

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
 8 import javax.net.ssl.HttpsURLConnection;10 
import org.apache.log4j.Logger;13 16 /*
 * GET请求类,非线程类
 */
public class GetRequest {
    private String url = "https://b2b.10086.cn/b2b/main/viewNoticeContent.html?noticeBean.id=";
    private Logger logger;
    public GetRequest() {
        logger = Logger.getLogger(GetRequest.class);
    }

    public ExtendCandidate getData(String id) {
        this.url = url + id;
        BufferedReader in = null;
        HttpURLConnection conn = null;
        String result = "";
        try {
            conn = (HttpURLConnection)new URL(url).openConnection();
            // 发送GET请求必须设置如下两行
            conn.setDoInput(true);
            conn.setRequestMethod("GET");
            // flush输出流的缓冲
            in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            logger.error("发送 GET 请求出现异常！	请求ID:"+id+"
"+e.getMessage()+"
");
        } finally {// 使用finally块来关闭输出流、输入流
            try {
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
                logger.error("关闭数据流出错了！
"+ex.getMessage()+"
");
            }
        }
        //获取到结果result，可以直接添加处理，或者存储到全局变量......
    }
}

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