最简单的httppost

protected String login(String username, String passwd) {

// TODO Auto-generated method stub

 

String strResult = null;

Toast.makeText(LoginActivity.this, username+"\n"+passwd, Toast.LENGTH_SHORT).show();

String uriAPI = "http://www.qdta.cn:91/json/Json.aspx?Action=Users&Oper=Login&"

+"&UID="+ username

+"&Password="+passwd

+"&NickName=&Sex=&HImg=&Ltype=No&Area=";

//String uriAPI = "http://www.qdta.cn:91/json/Json.aspx?Action=Users&Oper=Login&UID=rgbgogj&Password=278904093&NickName=&Sex=&HImg=&Ltype=No&Area=";

HttpPost httpRequest = new HttpPost(uriAPI);

try {

// 取得HTTP response

HttpResponse httpResponse = new DefaultHttpClient()

.execute(httpRequest);

 

// 若状态码为200 ok

if (httpResponse.getStatusLine().getStatusCode() != 404) {

// 取出回应字串

strResult = EntityUtils.toString(httpResponse.getEntity());

} 

else {

strResult = "0";

}

} catch (ClientProtocolException e) {

strResult = "0";

e.printStackTrace();

} catch (UnsupportedEncodingException e) {

strResult = "0";

e.printStackTrace();

} catch (IOException e) {

strResult = "0";

e.printStackTrace();

}

 

return strResult;