Question

我尝试使用Volley http客户端从android向服务器发送数组。但是它不是发送数组而是发送字符串。这是我想发送给服务器的数据。

    {"id": "1231241234312",
"steps":[{"id":"123","title":"start"}, {} ] }

步骤键包含数组，但在服务器端，它以字符串形式接收.. HEre是android代码。

final Map<String, String> params = new HashMap<String, String>();
                        JSONObject data = new JSONObject();
                        try {
                            data.put("id", item.getId());
                            data.put("status", 3);
                            data.put("_action", 1);
                        } catch (JSONException e) {
                            e.printStackTrace();
                        }

                        params.put("id", task.getId());
                        params.put("steps", data.toString());

Answer 1

private void makeJsonObjReq() {

            showProgressDialog();

            Map<String, String> postParam= new HashMap<String, String>();
            postParam.put("key1", "Value1");
            postParam.put("key2", "Value2");


    JsonObjectRequest jsonObjReq = new JsonObjectRequest(Method.POST,
            Const.URL_LOGIN, new JsonObject(postParam),
            new Response.Listener<JSONObject>() {

                @Override
                public void onResponse(JSONObject response) {
                    Log.d(TAG, response.toString());
                    msgResponse.setText(response.toString());
                    hideProgressDialog();
                }
            }, new Response.ErrorListener() {

                @Override
                public void onErrorResponse(VolleyError error) {
                    VolleyLog.d(TAG, "Error: " + error.getMessage());
                    hideProgressDialog();
                }
            }) {

        /**
         * Passing some request headers
         * */
        @Override
        public Map<String, String> getHeaders() throws AuthFailureError {
            HashMap<String, String> headers = new HashMap<String, String>();
            headers.put("Content-Type", "application/json; charset=utf-8");
            return headers;
        }



    };

    AppController.getInstance().addToRequestQueue(jsonObjReq,tag_json_obj);

}

使用Volley从android发送到服务器的Json数据

1 个答案: