Android_网络编程(1)

1.post请求

    //发送Post请求

   dopost(mEtInPut.getText().toString());

  //http客户端

    DefaultHttpClient client=newDefaultHttpClient():

   //天气查询

   HttpPost httppost=newHttpPost("http://webservice.webxml.com.cn/WebServices/WeatherWS.asmx/getWeather");

   //post运作传送变量必须用nameValuepair【】数组储存

   List Params=new ArrayList();

   params.add(newBasicNameValuePair("theCityCode",val)); 

   params.add(newBasicNameValuePair("theUserID",""));

  //编码格式

   UrlEncodeFormEntity p_entity=new UrlEncodedFormEntity(Params,"utf-8");

  //将post数据放入http请求

   httpPost.setEntity(p_entity);

 //发出实际的http  post请求

   HttpResponseresponse=client.execute(httpPost);

 //若状态编码为200

  mreturnConnection="EntityUtils.toString(response.getEntiry());