btnok.setOnClickListener(new OnClickListener() {            @Override            public void onClick(View v) {                // 跳转到新的页面                String name=usernameTextId.getText().toString();                String pwd=passwordTextId.getText().toString();                String url = "http://112.124.12.46/wxtest/login.soap?method=user.login&UserName="+name+"&Password="+pwd+"";                //String url = "http://112.124.12.46/wxtest/login.soap?method=user.login";                try {                                //【httppost 1】//                    List<NameValuePair> params = new ArrayList<NameValuePair>();//                    HttpPost request = new HttpPost(url);//                    request.setEntity(new UrlEncodedFormEntity(params,//                            HTTP.UTF_8));//                    HttpResponse response = new DefaultHttpClient()//                            .execute(request);//                    String retSrc = http://www.mamicode.com/EntityUtils.toString(response>//                            .getEntity());                    //【httppost 2】                    //【httpclient 1】                    HttpClient httpclient = new DefaultHttpClient();                    HttpGet get = new HttpGet(url);                    HttpResponse response = httpclient.execute(get);                    String retSrc = EntityUtils.toString(response.getEntity(),"utf-8");                    //【httpclient 2】                    //get response and trans to json                    JSONObject resultJson = new JSONObject(retSrc);                    //判断是否请求成功                    if(response.getStatusLine().getStatusCode()==200)                    {                        String result = resultJson.get("msg").toString();                        int code = Integer.parseInt(resultJson.get("code").toString());                        if (code == 0) {                            //跳转到菜单页面-菜单页面选择相机-进入验码页面                            Intent intent=new Intent(MainActivity.this,MenuActivity.class);                            startActivity(intent);                            //【cookie】 start                            String cookieFields = response.getHeaders("Set-Cookie")[0] .getValue(); String cookie = cookieFields.split(";\\s*")[0]; HttpGet nextGet = new HttpGet(url); nextGet.setHeader("Cookie", cookie);                            CookieSyncManager.createInstance(MainActivity.this);                            CookieManager cookieManager = CookieManager.getInstance();                            cookieManager.setAcceptCookie(true);                            cookieManager.setCookie("http://112.124.12.46", cookieFields);//cookies是在HttpClient中获得的cookie                            CookieSyncManager.getInstance().sync();                            //【cookie】 end                        } else {                            // 弹出对话框                            dialog(result);                        }                    }                    else{                        dialog("连接异常");                    }                } catch (JSONException e) {                    // TODO Auto-generated catch block                    e.printStackTrace();                } catch (ClientProtocolException e) {                    // TODO Auto-generated catch block                    e.printStackTrace();                } catch (ParseException e) {                    // TODO Auto-generated catch block                    e.printStackTrace();                } catch (IOException e) {                    // TODO Auto-generated catch block                    e.printStackTrace();                }            }        });