package com.wjy;

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;

import java.net.URLConnection;

public class TestURL {

    public static void main(String[] args) {

        new GetRun().start();//get请求

        new PostRun().start();//post请求

    }

}

class GetRun extends Thread{

    public void run() {

        try {

            //doctype=xml/json/jsonp

            URL url = new URL("http://fanyi.youdao.com/openapi.do?keyfrom=wjy-test&key=36384249&type=data&doctype=jsonp&callback=show&version=1.1&q=hello");

            URLConnection connection = url.openConnection();

            InputStream in = connection.getInputStream();

            InputStreamReader isr = new InputStreamReader(in,"utf-8");

            BufferedReader br = new BufferedReader(isr);

            String line;

            StringBuilder sb = new StringBuilder();

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

            {

                sb.append(line);

            }

            br.close();

            isr.close();

            in.close();

            System.out.println(sb.toString());

        } catch (MalformedURLException e) {

            e.printStackTrace();

        } catch (IOException e) {

            e.printStackTrace();

        }

    }

}

class PostRun extends Thread{

    @Override

    public void run() {

        try {

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

            HttpURLConnection connection = (HttpURLConnection) url.openConnection();

            connection.addRequestProperty("encoding", "UTF-8");//添加请求属性

            connection.setDoInput(true);//允许输入

            connection.setDoOutput(true);//允许输出

            connection.setRequestMethod("POST");//POST请求 要在获取输入输出流之前设置  否则报错

            //输出

            OutputStream os = connection.getOutputStream();

            OutputStreamWriter osw = new OutputStreamWriter(os);

            BufferedWriter bw = new BufferedWriter(osw);

            bw.write("keyfrom=wjy-test&key=36384249&type=data&doctype=xml&version=1.1&q=welcome");

            bw.flush();

            //输入

            InputStream in = connection.getInputStream();

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

            BufferedReader br = new BufferedReader(isr);

            String line;

            StringBuilder sb = new StringBuilder();

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

            {

                sb.append(line);

            }

            bw.close();

            osw.close();

            os.close();

            br.close();

            isr.close();

            in.close();

            System.out.println(sb.toString());

        } catch (MalformedURLException e) {

            e.printStackTrace();

        } catch (IOException e) {

            e.printStackTrace();

        }

    }

}

package com.wjy;

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.HttpGet;

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;

public class TestHttpclient {

    /**

     * 从apache官网下载HttpComponents项目jar包

     */

    public static void main(String[] args) {

        //new Get().start();

        new Post().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();

        }

    }

}

class Post extends Thread{

HttpClient client = HttpClients.createDefault();

    @Override

    public void run() {

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

        try {

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

            parameters.add(new BasicNameValuePair("keyfrom", "wjy-test"));

            parameters.add(new BasicNameValuePair("key", "36384249"));

            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));

            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();

        }

    }

}