httpPost方式

public String connectToCsii(Context context, String xmlStr, String wsdlAddress) throws Exception{
        String domString = "";
        HttpURLConnection connection = null;
        BufferedReader inss = null;
        OutputStreamWriter osw = null;
        java.io.OutputStream os = null;
        try{
            URL url = new URL(wsdlAddress);
            connection = (HttpURLConnection)url.openConnection();
            connection.setDoInput(true);// 从服务器获取数据
            connection.setDoOutput(true);// 向服务器写入数据
            connection.setRequestProperty("Content-Type", "application/json;charset=UTF-8");
            connection.setConnectTimeout(15000);
            connection.setReadTimeout(60000);
            connection.setRequestMethod("POST");
            os = connection.getOutputStream();
            osw = new OutputStreamWriter(os, "UTF-8");
            osw.write(xmlStr);
            osw.flush();
            inss = new BufferedReader(new InputStreamReader(connection.getInputStream(), "UTF-8"));
            String line = null;
            StringBuffer content = new StringBuffer();
            while((line = inss.readLine()) != null){
                content.append(line);
            }
            domString = content.toString();
            inss.close();
            osw.close();
            os.close();
        }
        catch(Exception e){
            StringWriter info = new StringWriter();
            PrintWriter print = new PrintWriter(info);
            e.printStackTrace(print);
            new AutoPushUtils(context).addInteractOtherError(CsiiConst.LOG_TITLE_COMMONERROR + "连接银行异常",
                    CsiiConst.LOG_PATH_COMMONERROR, e);
        }
        finally{
            try{
                if(inss != null) {
                    inss.close();
                }
                if(osw != null) {
                    osw.close();
                }
                if(os != null) {
                    os.close();
                }
                if(connection != null) {
                    connection.disconnect();
                }
            }
            catch(Exception e){
                StringWriter info = new StringWriter();
                PrintWriter print = new PrintWriter(info);
                e.printStackTrace(print);
                new AutoPushUtils(context).addInteractOtherError(CsiiConst.LOG_TITLE_COMMONERROR + "连接银行异常",
                        CsiiConst.LOG_PATH_COMMONERROR, e);
            }
        }
        return domString;
    }