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   源码介绍

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package com.example.http_client_14_4.activity;

import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
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.view.View;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import com.example.http_client_14_4.R;
import com.example.http_client_14_4.util.HttpClientUtil;

public class HttpClientActivity extends Activity {
	private EditText edtName;
	private TextView txtResult;

	private String url = "http://192.168.56.1:8080/http_server_14/httpclient.jsp";

	private HttpClient httpClient;
	private HttpGet httpGet;
	private HttpEntity entity;
	private HttpResponse response;
	private InputStream in;

	private HttpPost httpPost;
	private UrlEncodedFormEntity urlEntity;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		// TODO Auto-generated method stub
		super.onCreate(savedInstanceState);
		init();
	}

	public void init() {
		setContentView(R.layout.activity_httpclient);
		edtName = (EditText) findViewById(R.id.editText1);
		txtResult = (TextView) findViewById(R.id.textView1);
	}

	public void httpPost(View view) {
		new Thread(new Runnable() {

			@Override
			public void run() {
				// TODO Auto-generated method stub
				// url = url   "?name="   edtName.getText().toString();
				// 1:创建HttpClient对象
				httpClient = new DefaultHttpClient();
				// 2:构建HttpGet对象
				httpPost = new HttpPost(url);

				try {

					// 3:构造请求的参数
					List<BasicNameValuePair> param = new ArrayList<BasicNameValuePair>();
					param.add(new BasicNameValuePair("name", edtName.getText()
							.toString()));
					urlEntity = new UrlEncodedFormEntity(param);
					httpPost.setEntity(urlEntity);

					// 4:执行请求操作
					response = httpClient.execute(httpPost);
					// 5:判断响应是否成功
					int code = response.getStatusLine().getStatusCode();
					if (response != null && code == HttpStatus.SC_OK) {
						// 6:得到HttpEntity
						entity = response.getEntity();
						// 7:获取InputStream
						// in = entity.getContent();
						// byte[] data = HttpClientUtil.readStream(in);
						// final String str = new String(data, "utf-8");

						// byte [] data = EntityUtils.toByteArray(entity);
						final String str = EntityUtils.toString(entity);

						HttpClientActivity.this.runOnUiThread(new Runnable() {

							@Override
							public void run() {
								// TODO Auto-generated method stub
								Toast.makeText(getApplicationContext(),
										str   "", 1000).show();
								txtResult.setText(str);
							}
						});
					}
				} catch (ClientProtocolException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				} catch (IOException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			}
		}).start();
	}

	public void httpGet(View view) {
		new Thread(new Runnable() {

			@Override
			public void run() {
				// TODO Auto-generated method stub
				url = url   "?name="   edtName.getText().toString();
				final String str = HttpClientUtil.httpClientGet(url);
				HttpClientActivity.this.runOnUiThread(new Runnable() {

					@Override
					public void run() {
						// TODO Auto-generated method stub
						Toast.makeText(getApplicationContext(), str   "", 1000)
								.show();
						txtResult.setText(str);
					}
				});
			}
		}).start();
	}
}