调用百度搜索接口查询

import java.net.*;
import java.io.*;

public class t {
public t() {
}

public static void main(String[] args) {

try {
String key = "java"; //查询关键字
key = URLEncoder.encode(key, "gb2312");
URL u = new URL("http://www.baidu.com.cn/s?wd=" + key + "&cl=3");
URLConnection conn = u.openConnection();
BufferedReader reader = new BufferedReader(new InputStreamReader(
conn.getInputStream(), "gb2312"));
String str = reader.readLine();
while (str != null) {
System.out.println(str);
str = reader.readLine();
}

reader.close();
} catch (Exception ex) {
ex.printStackTrace();
}

}

}