Volley中JsonObjectRequest的使用

清疚 2022-07-15 00:06 237阅读 0赞

package com.example.cuboo.myapplication;
    
    import android.content.Context;
    import android.util.Log;
    
    import com.android.volley.AuthFailureError;
    import com.android.volley.Request;
    import com.android.volley.RequestQueue;
    import com.android.volley.Response;
    import com.android.volley.VolleyError;
    import com.android.volley.toolbox.JsonObjectRequest;
    import com.android.volley.toolbox.StringRequest;
    import com.android.volley.toolbox.Volley;
    
    import org.json.JSONObject;
    
    import java.util.HashMap;
    import java.util.Map;
    
    /**
     * Created by cuboo on 2016/10/25.
     */
    
    public class VolleyApi{
        private Context context;
        //步骤1：创建Volley的网络请求队列
        RequestQueue mQueue;
        //定义请求的URL
        private String url = "http://ditu.amap.com/service/regeo?longitude=121.04925573429551&latitude=31.315590522490712";
        public VolleyApi(Context context){
            this.context = context;
            mQueue = Volley.newRequestQueue(context);
        }
    
        /*
         *JsonObjectRequest不提交参数个服务器
         */
        public void getJsonData(){
            /*
             *步骤2：创建 JsonObjectRequest请求不给服务器提交参数
             */
            JsonObjectRequest jsonObjectRequest = new JsonObjectRequest(url, null,
                    new Response.Listener<JSONObject>() {
                        @Override
                        public void onResponse(JSONObject jsonObject) {
                            Log.d("TAG", jsonObject.toString());
                        }
                    }, new Response.ErrorListener() {
                @Override
                public void onErrorResponse(VolleyError volleyError) {
                    Log.e("TAG", volleyError.getMessage(), volleyError);
                }
            });
            //步骤3： JsonObjectRequest加入到队列中
            mQueue.add(jsonObjectRequest);
        }
        /*
        *JsonObjectRequest提交参数个服务器
        */
        public void getAndPutJsonData(){
               /*
             *步骤2：创建 JsonObjectRequest请求不给服务器提交参数
             */
            JsonObjectRequest jsonObjectRequest = new JsonObjectRequest(Request.Method.POST, url, null,
                    new Response.Listener<JSONObject>() {
                        @Override
                        public void onResponse(JSONObject jsonObject) {
                            Log.d("TAG", jsonObject.toString());
                        }
                    }, new Response.ErrorListener() {
                @Override
                public void onErrorResponse(VolleyError volleyError) {
                    Log.e("TAG", volleyError.getMessage(), volleyError);
                }
            }){
                @Override
                protected Map<String, String> getParams() throws AuthFailureError {
                    Map<String, String> map = new HashMap<String, String>();
                    map.put("userName", "value1");
                    map.put("passWord", "value2");
                    return map;
                }
            };
            //步骤3： JsonObjectRequest加入到队列中
            mQueue.add(jsonObjectRequest);
        }
    }