public class MainActivity extends Activity implements OnClickListener {

    private Button btnGet;

    private WebView wView;

    public static final int SHOW_DATA = 0X123;

    private String detail = "";

    private Handler handler = new Handler() {

        public void handleMessage(Message msg) {

            if(msg.what == SHOW_DATA)

            {

                wView.loadDataWithBaseURL("",detail, "text/html","UTF-8","");

            }

        };

    };

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        initView();

        setView();

    }

    private void initView() {

        btnGet = (Button) findViewById(R.id.btnGet);

        wView = (WebView) findViewById(R.id.wView);

    }

    private void setView() {

        btnGet.setOnClickListener(this);

        wView.getSettings().setDomStorageEnabled(true);

    }

    @Override

    public void onClick(View v) {

        if (v.getId() == R.id.btnGet) {

            GetByHttpClient();

        }

    }

    private void GetByHttpClient() {

        new Thread()

        {

            public void run()

            {

                    try {

                        HttpClient httpClient = new DefaultHttpClient();

                        HttpGet httpGet = new HttpGet("http://www.w3cschool.cc/python/python-tutorial.html");

                        HttpResponse httpResponse = httpClient.execute(httpGet);

                        if (httpResponse.getStatusLine().getStatusCode() == 200) {

                            HttpEntity entity = httpResponse.getEntity();

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

                            handler.sendEmptyMessage(SHOW_DATA);

                        }

                    } catch (Exception e) {

                        e.printStackTrace();

                    }

            };

        }.start();

    }

}

private void PostByHttpClient(final String url)

{

    new Thread()

    {

        public void run()

        {

            try{

                HttpClient httpClient = new DefaultHttpClient();

                HttpPost httpPost = new HttpPost(url);

                List<NameValuePair> params = new ArrayList<NameValuePair>();

                params.add(new BasicNameValuePair("user", "猪大哥"));

                params.add(new BasicNameValuePair("pawd", "123"));

                UrlEncodedFormEntity entity = new UrlEncodedFormEntity(params,"UTF-8");

                httpPost.setEntity(entity);

                HttpResponse httpResponse =  httpClient.execute(httpPost);

                if (httpResponse.getStatusLine().getStatusCode() == 200) {

                    HttpEntity entity2 = httpResponse.getEntity();

                    detail = EntityUtils.toString(entity2, "utf-8");

                    handler.sendEmptyMessage(SHOW_DATA);

                }

            }catch(Exception e){e.printStackTrace();}

        };

    }.start();

}

/获得链接,模拟登录的实现:

public int getConnect(String user, String key) throws Exception {

    // 先发送get请求 获取cookie值和__ViewState值

    HttpGet getLogin = new HttpGet(true_url);

    // 第一步:主要的HTML:

    String loginhtml = "";

    HttpResponse loginResponse = new DefaultHttpClient().execute(getLogin);

    if (loginResponse.getStatusLine().getStatusCode() == 200) {

        HttpEntity entity = loginResponse.getEntity();

        loginhtml = EntityUtils.toString(entity);

        // 获取响应的cookie值

        cookie = loginResponse.getFirstHeader("Set-Cookie").getValue();

        System.out.println("cookie= " + cookie);

    }

    // 第二步:模拟登录

    // 发送Post请求,禁止重定向

    HttpPost httpPost = new HttpPost(true_url);

    httpPost.getParams().setParameter(ClientPNames.HANDLE_REDIRECTS, false);

    // 设置Post提交的头信息的参数

    httpPost.setHeader("User-Agent",

            "Mozilla/5.0 (Windows NT 6.3; WOW64; Trident/7.0; rv:11.0) like Gecko");

    httpPost.setHeader("Referer", true_url);

    httpPost.setHeader("Cookie", cookie);

    // 设置请求数据

    List<NameValuePair> params = new ArrayList<NameValuePair>();

    params.add(new BasicNameValuePair("__VIEWSTATE",

            getViewState(loginhtml)));// __VIEWSTATE参数，如果变化可以动态抓取获取

    params.add(new BasicNameValuePair("Button1", ""));

    params.add(new BasicNameValuePair("hidPdrs", ""));

    params.add(new BasicNameValuePair("hidsc", ""));

    params.add(new BasicNameValuePair("lbLanguage", ""));

    params.add(new BasicNameValuePair("RadioButtonList1", "%D1%A7%C9%FA"));

    params.add(new BasicNameValuePair("txtUserName", user));

    params.add(new BasicNameValuePair("TextBox2", key));

    params.add(new BasicNameValuePair("txtSecretCode", "")); // ( ╯□╰ )逗比正方,竟然不需要验证码

    // 设置编码方式,响应请求,获取响应状态码:

    httpPost.setEntity(new UrlEncodedFormEntity(params, "gb2312"));

    HttpResponse response = new DefaultHttpClient().execute(httpPost);

    int Status = response.getStatusLine().getStatusCode();

    if(Status == 200)return Status;

    System.out.println("Status= " + Status);

    // 重定向状态码为302

    if (Status == 302 || Status == 301) {

        // 获取头部信息中Location的值

        location = response.getFirstHeader("Location").getValue();

        System.out.println(location);

        // 第三步:获取管理信息的主页面

        // Get请求

        HttpGet httpGet = new HttpGet(ip_url + location);// 带上location地址访问

        httpGet.setHeader("Referer", true_url);

        httpGet.setHeader("Cookie", cookie);

        // 主页的html

        mainhtml = "";

        HttpResponse httpResponseget = new DefaultHttpClient()

                .execute(httpGet);

        if (httpResponseget.getStatusLine().getStatusCode() == 200) {

            HttpEntity entity = httpResponseget.getEntity();

            mainhtml = EntityUtils.toString(entity);

        }

    }

    return Status;

}

public static int PutActCode(String actCode, String licPlate, Context mContext) {

    int resp = 0;

    String cookie = (String) SPUtils.get(mContext, "session", "");

    HttpPut httpPut = new HttpPut(PUTACKCODE_URL);

    httpPut.setHeader("Cookie", cookie);

    try {

        List<NameValuePair> params = new ArrayList<NameValuePair>();

        params.add(new BasicNameValuePair("activation_code", actCode));

        params.add(new BasicNameValuePair("license_plate", licPlate));

        httpPut.setEntity(new UrlEncodedFormEntity(params, "UTF-8"));

        HttpResponse course_response = new DefaultHttpClient().execute(httpPut);

        if (course_response.getStatusLine().getStatusCode() == 200) {

            HttpEntity entity2 = course_response.getEntity();

            JSONObject jObject = new JSONObject(EntityUtils.toString(entity2));

            resp = Integer.parseInt(jObject.getString("status_code"));

            return resp;

        }

    } catch (Exception e) {

        e.printStackTrace();

    }

    return resp;

}