package com.testGet;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.net.MalformedURLException;

import java.net.URL;

import java.net.URLConnection;

/**

 * 使用Http的Get方式读取网络数据

 */

public class TestGet {

    public static void main(String[] args) {

        new ReadByGet("welcome").start();

    }

}

class ReadByGet extends Thread{

    private String str;

    public ReadByGet(String str){

        this.str=str;

    }

    @Override

    public void run() {

        try {

            URL url=new URL("http://fanyi.youdao.com/openapi.do?keyfrom=guodaxia&key=1142217390&type=data&doctype=xml&version=1.1&q="+str);

            URLConnection connection=url.openConnection();//打开链接

            InputStream is=connection.getInputStream();//获取输入流

            InputStreamReader isr=new InputStreamReader(is,"UTF-8");

            BufferedReader br=new BufferedReader(isr);

            String line;

            StringBuilder builder=new StringBuilder();

            while((line=br.readLine())!=null){

                builder.append(line);

            }

            br.close();

            isr.close();

            is.close();

            System.out.println(builder);

        } catch (MalformedURLException e) {

            e.printStackTrace();

        } catch (IOException e) {

            e.printStackTrace();

        }

    }

}

package com.testPost;

import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.io.OutputStream;

import java.io.OutputStreamWriter;

import java.net.HttpURLConnection;

import java.net.MalformedURLException;

import java.net.URL;

/**

 * 使用Http的Post方式与网络交互通信

 * @author Administrator

 *

 */

public class TestPost {

    public static void main(String[] args) {

        new ReadByPost().start();

    }

}

class ReadByPost extends Thread{

    @Override

    public void run() {

        try {

            URL url=new URL("http://fanyi.youdao.com/openapi.do");

            HttpURLConnection connection=(HttpURLConnection) url.openConnection();//Post使用的是HttpURLConnection

            connection.addRequestProperty("encoding", "utf-8");

            //打开输入输出通道

            connection.setDoInput(true);

            connection.setDoOutput(true);

            OutputStream os=connection.getOutputStream();

            OutputStreamWriter osw=new OutputStreamWriter(os);

            BufferedWriter bw=new BufferedWriter(osw);

            bw.write("keyfrom=guodaxia&key=1142217390&type=data&doctype=xml&version=1.1&q=welcome");

            bw.flush();

            InputStream is=connection.getInputStream();

            InputStreamReader isr=new InputStreamReader(is);

            BufferedReader br=new BufferedReader(isr);

            String line;

            StringBuilder builder=new StringBuilder();

            while((line=br.readLine())!=null){

                builder.append(line);

            }

            bw.close();

            osw.close();

            os.close();

            br.close();

            isr.close();

            is.close();

            System.out.println(builder);

        } catch (MalformedURLException e) {

            e.printStackTrace();

        } catch (IOException e) {

            e.printStackTrace();

        }

    }

}

package com.testClientGet;

import java.io.IOException;

import org.apache.http.HttpEntity;

import org.apache.http.HttpResponse;

import org.apache.http.client.ClientProtocolException;

import org.apache.http.client.HttpClient;

import org.apache.http.client.methods.HttpGet;

import org.apache.http.impl.client.HttpClients;

import org.apache.http.util.EntityUtils;

/**

 * 使用HttpClient进行Get方式通信

 * @author Administrator

 *

 */

public class ClientGet {

    public static void main(String[] args) {

        new Get().start();

    }

}

class Get extends Thread{

    HttpClient client=HttpClients.createDefault();

    @Override

    public void run() {

        HttpGet get=new HttpGet("http://www.baidu.com");

        try {

            HttpResponse response=client.execute(get);

            HttpEntity entity=response.getEntity();

            String result=EntityUtils.toString(entity,"utf-8");

            System.out.println(result);

        } catch (ClientProtocolException e) {

            e.printStackTrace();

        } catch (IOException e) {

            e.printStackTrace();

        }

    }

}

package com.testClientPost;

import java.io.IOException;

import java.util.ArrayList;

import java.util.List;

import org.apache.http.HttpEntity;

import org.apache.http.HttpResponse;

import org.apache.http.client.ClientProtocolException;

import org.apache.http.client.HttpClient;

import org.apache.http.client.entity.UrlEncodedFormEntity;

import org.apache.http.client.methods.HttpPost;

import org.apache.http.impl.client.HttpClients;

import org.apache.http.message.BasicNameValuePair;

import org.apache.http.util.EntityUtils;

/**

 * 使用HttpClient进行Post方式通信

 * @author Administrator

 *

 */

public class TestPost {

    public static void main(String[] args) {

        //http://fanyi.youdao.com/openapi.do

        //keyfrom=guodaxia&key=1142217390&type=data&doctype=xml&version=1.1&q=welcome

        new Post().start();

    }

}

class Post extends Thread{

    HttpClient client=HttpClients.createDefault();

    @Override

    public void run() {

        HttpPost post=new HttpPost("http://fanyi.youdao.com/openapi.do");

        try {

            //Post需要请求参数

            //keyfrom=guodaxia&key=1142217390&type=data&doctype=xml&version=1.1&q=welcome

            List<BasicNameValuePair> parameters=new ArrayList<BasicNameValuePair>();

            parameters.add(new BasicNameValuePair("keyfrom", "guodaxia"));

            parameters.add(new BasicNameValuePair("key", "1142217390"));

            parameters.add(new BasicNameValuePair("type", "data"));

            parameters.add(new BasicNameValuePair("doctype", "xml"));

            parameters.add(new BasicNameValuePair("version", "1.1"));

            parameters.add(new BasicNameValuePair("q", "welcome"));

            post.setEntity(new UrlEncodedFormEntity(parameters,"UTF-8"));

            HttpResponse response=client.execute(post);

            HttpEntity entity=response.getEntity();

            String result=EntityUtils.toString(entity,"utf-8");

            System.out.println(result);

        } catch (ClientProtocolException e) {

            e.printStackTrace();

        } catch (IOException e) {

            e.printStackTrace();

        }

    }

}