Android 通过HTTPCLINET GET请求互联网数据

private EditText et;
    private TextView tv;
    HttpClient client;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        et=(EditText) findViewById(R.id.et);
        tv=(TextView) findViewById(R.id.tv);
        client=new DefaultHttpClient();
        findViewById(R.id.btn).setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                readNet("http://www.cnblogs.com/"+et.getText());

            }
        });
    }

    public void readNet(String url){
        new AsyncTask<String, Void, String>() {

            @Override
            protected String doInBackground(String... params) {
                String urlString=params[0];
                HttpGet get=new HttpGet(urlString);
                try {
                    HttpResponse response=client.execute(get);
                    String v=EntityUtils.toString( response.getEntity());
                    return v;
                } catch (Exception e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
                return null;
            }

            @Override
            protected void onPostExecute(String result) {
                tv.setText(result);
            }

        }.execute(url);
    }

效果图  自己博客：