jackson和httpcliet

增删查改

package com.example.android_08;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.CoreConnectionPNames;
import org.apache.http.util.EntityUtils;

import android.os.AsyncTask;


public class HttpClientPost implements Serializable {

    private static final long serialVersionUID = 1777547416049652217L;

    private static HttpClient httpClient = new DefaultHttpClient();

    static {
        httpClient.getParams().setParameter(
                CoreConnectionPNames.CONNECTION_TIMEOUT, 2000);
        httpClient.getParams().setParameter(CoreConnectionPNames.SO_TIMEOUT,
                3000);
    }


    private static String encoding = "UTF-8";


    private static String basePath = "http://192.168.43.126:8080/easyui_01";


    private String path;


    private List<NameValuePair> params = new ArrayList<NameValuePair>();;

    public HttpClientPost(String path) {
        super();
        this.path = path;
    }


    public void addParam(String name, String value) {
        if (value == null) {
            params.add(new BasicNameValuePair(name, ""));
        } else {
            params.add(new BasicNameValuePair(name, value));
        }
    }


    @SuppressWarnings("unchecked")
    public void submit(final Callback callback) {
        new AsyncTask() {
            private String json;

            @Override
            protected Object doInBackground(Object... args) {
                try {

                    HttpPost httpPost = new HttpPost(basePath + path);


                    if (0 != params.size()) {
                        HttpEntity paramEntity = new UrlEncodedFormEntity(
                                params, encoding);
                        httpPost.setEntity(paramEntity);
                    }


                    HttpResponse httpResponse = httpClient.execute(httpPost);


                    if (200 == httpResponse.getStatusLine().getStatusCode()) {
                        HttpEntity responseEntity = httpResponse.getEntity();
                        this.json = EntityUtils.toString(responseEntity);
                    }
                } catch (Exception e) {
                    throw new RuntimeException(e);
                }
                return null;
            }

            protected void onPostExecute(Object result) {
                callback.execute(this.json);
            }

        }.execute();
    }

    public static interface Callback {
        void execute(String json);
    }
}

package com.example.android_08;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;

import com.fasterxml.jackson.databind.ObjectMapper;

import java.io.IOException;
import java.util.Map;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {

    private Button bt_main_add;
    private Button bt_main_edit;
    private Button bt_main_del;
    private Button bt_main_load;
    private Button bt_main_list;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        //查找控件
        findViews();

        //绑定监听器
        bt_main_add.setOnClickListener(this);
        bt_main_edit.setOnClickListener(this);
        bt_main_del.setOnClickListener(this);
        bt_main_load.setOnClickListener(this);
        bt_main_list.setOnClickListener(this);

    }

    private void findViews() {
        bt_main_add = (Button) findViewById(R.id.bt_main_add);
        bt_main_edit = (Button) findViewById(R.id.bt_main_edit);
        bt_main_del = (Button) findViewById(R.id.bt_main_del);
        bt_main_load = (Button) findViewById(R.id.bt_main_load);
        bt_main_list = (Button) findViewById(R.id.bt_main_list);
    }


    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.bt_main_add:
                add();
                break;
            case R.id.bt_main_edit:
                edit();
                break;
            case R.id.bt_main_del:
                del();
                break;
            case R.id.bt_main_load:
                load();
                break;
            case R.id.bt_main_list:
                list();
                break;
        }
    }

    private void add() {
        Log.i("test", "add...");

    }

    private void edit() {
        Log.i("test", "edit...");
        HttpClientPost post=new HttpClientPost("/bookAction.action");
        post.addParam("methodName","updateState1");
        post.addParam("book_state","2");
        post.addParam("book_id","21");
        post.submit(new HttpClientPost.Callback() {
            @Override
            public void execute(String json) {
                Log.i("serves:",json);
            }
        });

    }

    private void del() {
        Log.i("test", "del...");

    }

    private void load() {
        Log.i("test", "load...");
        HttpClientPost post=new HttpClientPost("/bookAction.action");
        post.addParam("methodName","list");
        post.addParam("book_state","1");
        post.addParam("book_name","哈哈");
        post.submit(new HttpClientPost.Callback() {
            @Override
            public void execute(String json) {
                Log.i("server:",json);
                ObjectMapper om=new ObjectMapper();
                try {
                    Map map = om.readValue(json, Map.class);
                    Log.i("server:",map.get("total").toString());
                    Log.i("server:",map.get("rows").getClass().getName());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        });
    }

    private void list() {
        Log.i("test", "list...");
        HttpClientPost post=new HttpClientPost("/bookAction.action");
        post.addParam("methodName","list");
        post.addParam("book_state","1");
        post.submit(new HttpClientPost.Callback() {
            @Override
            public void execute(String json) {
                Log.i("server:",json);
            }
        });
    }
}