HttpGet和HttpPost

package net.blogjava.mobile;

import java.net.HttpURLConnection;
import java.util.ArrayList;
import java.util.List;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
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.protocol.HTTP;
import org.apache.http.util.EntityUtils;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

public class Main extends Activity implements OnClickListener
{

    @Override
    public void onClick(View view)
    {
        String url = "http://169.254.103.188/querybooks/QueryServlet";
        TextView tvQueryResult = (TextView) findViewById(R.id.tvQueryResult);
        EditText etBookName = (EditText) findViewById(R.id.etBookName);
        HttpResponse httpResponse = null;
        try
        {
            
            switch (view.getId())
            {
                case R.id.btnGetQuery:
                    url += "?bookname=" + etBookName.getText().toString();
                    HttpGet httpGet = new HttpGet(url);
                    httpResponse = new DefaultHttpClient().execute(httpGet);
                    if (httpResponse.getStatusLine().getStatusCode() == 200)
                    {
                        
                        String result = EntityUtils.toString(httpResponse.getEntity(), HTTP.UTF_8);
                        tvQueryResult.setText(result);
                        System.out.println(result);
                    }
                    break;

                case R.id.btnPostQuery:
                    HttpPost httpPost = new HttpPost(url);
                    List<NameValuePair> params = new ArrayList<NameValuePair>();
                    params.add(new BasicNameValuePair("bookname", etBookName
                            .getText().toString()));
                    httpPost.setEntity(new UrlEncodedFormEntity(params, HTTP.UTF_8));
                    
                    httpResponse = new DefaultHttpClient().execute(httpPost);
                    if (httpResponse.getStatusLine().getStatusCode() == 200)
                    {
                        String result = EntityUtils.toString(httpResponse
                                .getEntity());
                        tvQueryResult.setText(result.replaceAll("
", ""));
                    }
                    break;
            }
        }
        catch (Exception e)
        {
            tvQueryResult.setText(e.getMessage());
        }

    }

    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        Button btnGetQuery = (Button) findViewById(R.id.btnGetQuery);
        Button btnPostQuery = (Button) findViewById(R.id.btnPostQuery);
        btnGetQuery.setOnClickListener(this);
        btnPostQuery.setOnClickListener(this);
        
    }
}

 上传文件时，可以使用HttpAnalyzer来捕获HTTP请求信息：上传文档新建文本文档 (3).txt过程：

Request Headers    Value
(Request-Line)    POST /upload/UploadServlet HTTP/1.1
Accept    text/html, application/xhtml+xml, */*
Referer    http://localhost/upload/upload.jsp
Accept-Language    zh-CN
User-Agent    Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)
Content-Type    multipart/form-data; boundary=---------------------------7dea05100618
Accept-Encoding    gzip, deflate
Host    localhost
Content-Length    239
DNT    1
Connection    Keep-Alive
Cache-Control    no-cache
Cookie    JSESSIONID=C55149A1C7C5EEFE0A67D4DA2183E8BF

Response Headers    Value
(Status-Line)    HTTP/1.1 200 OK
Server    Apache-Coyote/1.1
Content-Type    text/html;charset=UTF-8
Content-Length    21
Date    Sun, 14 Dec 2014 07:00:05 GMT

stream标签页信息：

744 bytes sent to :0

POST /upload/UploadServlet HTTP/1.1
Accept: text/html, application/xhtml+xml, */*
Referer: http://localhost/upload/upload.jsp
Accept-Language: zh-CN
User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)
Content-Type: multipart/form-data; boundary=---------------------------7dea05100618
Accept-Encoding: gzip, deflate
Host: localhost
Content-Length: 239
DNT: 1
Connection: Keep-Alive
Cache-Control: no-cache
Cookie: JSESSIONID=C55149A1C7C5EEFE0A67D4DA2183E8BF

-----------------------------7dea05100618
Content-Disposition: form-data; name="file"; filename="C:UsersAdministratorDesktop鏂板缓鏂囨湰鏂囨。 (3).txt"
Content-Type: text/plain

123abc
-----------------------------7dea05100618--

163 bytes received by :0

HTTP/1.1 200 OK
Server: Apache-Coyote/1.1
Content-Type: text/html;charset=UTF-8
Content-Length: 21
Date: Sun, 14 Dec 2014 07:00:05 GMT

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