Java后台处理HTTP请求中文乱码问题及跨服务器通信

//    http执行方法
    public static String excuteHttp(String url,String... obj){
        String result = "";
        //建立一个NameValuePair数组,用于存储欲传送的参数
        List<NameValuePair> params = new ArrayList<>();
        if (obj.length!=0&&!obj[0].isEmpty()){
            String[] objParam = new String[obj.length/2];
            String[] valueParam = new String[obj.length/2];
            for(int i=0;i<obj.length/2;i++){
                objParam[i] = obj[i];
            }
            for(int l=obj.length/2;l<obj.length;l++){
                int s =l-obj.length/2;
                valueParam[s]=obj[l];
            }
            for(int v=0;v<obj.length/2;v++){
                params.add(new BasicNameValuePair(objParam[v],valueParam[v]));
            }
        }
        HttpPost httpPost = new HttpPost(url);
        try {
            httpPost.setEntity(new UrlEncodedFormEntity(params, HTTP.UTF_8));
            HttpResponse httpResponse = new DefaultHttpClient().execute(httpPost);
            if(httpResponse.getStatusLine().getStatusCode()==200){
                HttpEntity httpEntity = httpResponse.getEntity();
                result=(EntityUtils.toString(httpEntity));
            }
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (ClientProtocolException e) {