网络请求方式（数据为聚合上的星座信息）

package com.example.day_06_httpclient;


import java.io.IOException;
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.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;


import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.text.TextUtils;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;


import com.example.day_06_httpclient.bean.Bean;
import com.google.gson.Gson;


public class MainActivity extends Activity {
String key = "3ac9f31ff66b9746539472887b3799c3";
// 接口地址
String path = "http://web.juhe.cn:8080/constellation/getAll";
// 通过get请求时的接口地址
String get_path = "http://web.juhe.cn:8080/constellation/getAll?consName=狮子座&type=today&key="
+ key;
private EditText editText;


Handler handler = new Handler() {


public void handleMessage(android.os.Message msg) {


Bean bean = (Bean) msg.obj;


// textView.setText(bean.date+"\n"+bean.name+"\n"+bean.finance+"\n"+bean.luckyStone+"\n"+bean.love.get(0));


textView.setText(bean.toString());
};


};
private TextView textView;


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


editText = (EditText) findViewById(R.id.editText);
textView = (TextView) findViewById(R.id.textView);


}


/**
* 点击请求网络
*/
public void send(View v) {
// 获取输入框的内容
final String name = editText.getText().toString().trim();
// 如果输入框有内容就根据输入的星座名称请求网络
if (!TextUtils.isEmpty(name)) {
new Thread() {


public void run() {


// httpGet(name);
httpPost(name);
};


}.start();


} else {


Toast.makeText(MainActivity.this, "  请输入星座 ", 1).show();
}


}


/**
* GET方式请求网络
*/
private void httpGet(String name) {
// HttpClient得到HttpClient对象
HttpClient httpClient = new DefaultHttpClient();
// 以get方式请求.并设置接口地址
HttpGet httpGet = new HttpGet(path + "consName=" + name
+ "&type=year&key=3ac9f31ff66b9746539472887b3799c3");
try {
// 连接网络请求数据,请求到的数据在httpResponse对象里
HttpResponse httpResponse = httpClient.execute(httpGet);
// 服务器返回的内容在HttpEntity
HttpEntity entity = httpResponse.getEntity();
// 把entity转成String
String string = EntityUtils.toString(entity);


// System.out.println(string);


Gson gson = new Gson();


Bean bean = gson.fromJson(string, Bean.class);
Message msg = Message.obtain();
msg.obj = bean;
handler.sendMessage(msg);


} catch (ClientProtocolException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}


/**
* POST方式请求
* 
* @param name
*/
protected void httpPost(String name) {


HttpClient httpclient=new DefaultHttpClient();
//通过POST方式请求
HttpPost httpPost=new HttpPost(path);

//得到一个集合,这个集合里添加的是要传递给服务器的参数
List parameters=new ArrayList();
                              //consName=狮子座
                     //type=today
//以键值对的形式添加参数
parameters.add(new BasicNameValuePair("consName", name));
parameters.add(new BasicNameValuePair("type", "year"));
parameters.add(new BasicNameValuePair("key", key));


try {
//设置实体内容和编码格式
UrlEncodedFormEntity encodedFormEntity=new UrlEncodedFormEntity(parameters, "UTF-8");
//设置实体,用于传递给服务器参数
httpPost.setEntity(encodedFormEntity);
//请求网络
HttpResponse httpResponse = httpclient.execute(httpPost);

//先得到状态行,从状态行里得到状态码
if( httpResponse.getStatusLine().getStatusCode()==200){
//得到实体
HttpEntity entity = httpResponse.getEntity();

//请求到的json
String string = EntityUtils.toString(entity);

Gson gson=new Gson();
Bean bean = gson.fromJson(string, Bean.class);


Message msg=Message.obtain();
msg.obj=bean;
handler.sendMessage(msg);
}



} catch (ClientProtocolException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}