Android通过Get,Post,HttpClient方式提交参数给服务器

package cn.itcast.net;import java.io.InputStream;import java.io.OutputStream;import java.net.HttpURLConnection;import java.net.URL;import java.net.URLEncoder;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import java.util.regex.Matcher;import java.util.regex.Pattern;import org.apache.http.HttpResponse;import org.apache.http.NameValuePair;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.xmlpull.v1.XmlPullParser;import android.util.Xml;import cn.itcast.utils.StreamTool;public class HttpRequest {public static boolean sendXML(String path, String xml)throws Exception{byte[] data = xml.getBytes();URL url = new URL(path);HttpURLConnection conn = (HttpURLConnection)url.openConnection();conn.setRequestMethod("POST");conn.setConnectTimeout(5 * 1000);conn.setDoOutput(true);//如果通过post提交数据，必须设置允许对外输出数据conn.setRequestProperty("Content-Type", "text/xml; charset=UTF-8");conn.setRequestProperty("Content-Length", String.valueOf(data.length));OutputStream outStream = conn.getOutputStream();outStream.write(data);outStream.flush();outStream.close();if(conn.getResponseCode()==200){return true;}return false;}public static boolean sendGetRequest(String path, Map<String, String> params, String enc) throws Exception{StringBuilder sb = new StringBuilder(path);sb.append('?');// ?method=save&title=435435435&timelength=89&for(Map.Entry<String, String> entry : params.entrySet()){sb.append(entry.getKey()).append('=').append(URLEncoder.encode(entry.getValue(), enc)).append('&');}sb.deleteCharAt(sb.length()-1);URL url = new URL(sb.toString());HttpURLConnection conn = (HttpURLConnection)url.openConnection();conn.setRequestMethod("GET");conn.setConnectTimeout(5 * 1000);if(conn.getResponseCode()==200){return true;}return false;}public static boolean sendPostRequest(String path, Map<String, String> params, String enc) throws Exception{// title=dsfdsf&timelength=23&method=saveStringBuilder sb = new StringBuilder();if(params!=null && !params.isEmpty()){for(Map.Entry<String, String> entry : params.entrySet()){sb.append(entry.getKey()).append('=').append(URLEncoder.encode(entry.getValue(), enc)).append('&');}sb.deleteCharAt(sb.length()-1);}byte[] entitydata = sb.toString().getBytes();//得到实体的二进制数据URL url = new URL(path);HttpURLConnection conn = (HttpURLConnection)url.openConnection();conn.setRequestMethod("POST");conn.setConnectTimeout(5 * 1000);conn.setDoOutput(true);//如果通过post提交数据，必须设置允许对外输出数据//Content-Type: application/x-www-form-urlencoded//Content-Length: 38conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");conn.setRequestProperty("Content-Length", String.valueOf(entitydata.length));OutputStream outStream = conn.getOutputStream();outStream.write(entitydata);outStream.flush();outStream.close();if(conn.getResponseCode()==200){return true;}return false;}//SSL HTTPS Cookiepublic static boolean sendRequestFromHttpClient(String path, Map<String, String> params, String enc) throws Exception{List<NameValuePair> paramPairs = new ArrayList<NameValuePair>();if(params!=null && !params.isEmpty()){for(Map.Entry<String, String> entry : params.entrySet()){paramPairs.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));}}UrlEncodedFormEntity entitydata = new UrlEncodedFormEntity(paramPairs, enc);//得到经过编码过后的实体数据HttpPost post = new HttpPost(path); //formpost.setEntity(entitydata);DefaultHttpClient client = new DefaultHttpClient(); //浏览器HttpResponse response = client.execute(post);//执行请求if(response.getStatusLine().getStatusCode()==200){return true;}return false;}}

package cn.itcast.uploaddata;import java.io.InputStream;import java.util.HashMap;import java.util.Map;import cn.itcast.net.HttpRequest;import android.test.AndroidTestCase;import android.util.Log;public class HttpRequestTest extends AndroidTestCase {private static final String TAG = "HttpRequestTest";public void testSendXMLRequest() throws Throwable{String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><persons><person id=\"23\"><name>liming</name><age>30</age></person></persons>";HttpRequest.sendXML("http://192.168.1.100:8080/videoweb/video/manage.do?method=getXML", xml);}public void testSendGetRequest() throws Throwable{//?method=save&title=xxxx&timelength=90Map<String, String> params = new HashMap<String, String>();params.put("method", "save");params.put("title", "liming");params.put("timelength", "80");HttpRequest.sendGetRequest("http://192.168.1.100:8080/videoweb/video/manage.do", params, "UTF-8");}public void testSendPostRequest() throws Throwable{Map<String, String> params = new HashMap<String, String>();params.put("method", "save");params.put("title", "中国");params.put("timelength", "80");HttpRequest.sendPostRequest("http://192.168.1.100:8080/videoweb/video/manage.do", params, "UTF-8");}public void testSendRequestFromHttpClient() throws Throwable{Map<String, String> params = new HashMap<String, String>();params.put("method", "save");params.put("title", "传智播客");params.put("timelength", "80");boolean result = HttpRequest.sendRequestFromHttpClient("http://192.168.1.100:8080/videoweb/video/manage.do", params, "UTF-8");Log.i("HttRequestTest", ""+ result);}}

服务器端代码：

package cn.itcast.action;import java.io.File;import java.io.FileOutputStream;import java.io.InputStream;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.apache.struts.action.ActionForm;import org.apache.struts.action.ActionForward;import org.apache.struts.action.ActionMapping;import org.apache.struts.actions.DispatchAction;import cn.itcast.formbean.VideoForm;import cn.itcast.utils.StreamTool;public class VideoManageAction extends DispatchAction {public ActionForward save(ActionMapping mapping, ActionForm form,HttpServletRequest request, HttpServletResponse response)throws Exception {VideoForm formbean = (VideoForm)form;if("GET".equals(request.getMethod())){byte[] data = request.getParameter("title").getBytes("ISO-8859-1");String title = new String(data, "UTF-8");System.out.println("title:"+ title);System.out.println("timelength:"+ formbean.getTimelength());}else{System.out.println("title:"+ formbean.getTitle());System.out.println("timelength:"+ formbean.getTimelength());}//下面完成视频文件的保存if(formbean.getVideo()!=null && formbean.getVideo().getFileSize()>0){String realpath = request.getSession().getServletContext().getRealPath("/video");System.out.println(realpath);File dir = new File(realpath);if(!dir.exists()) dir.mkdirs();File videoFile = new File(dir, formbean.getVideo().getFileName());FileOutputStream outStream = new FileOutputStream(videoFile);outStream.write(formbean.getVideo().getFileData());outStream.close();}return mapping.findForward("result");}public ActionForward getXML(ActionMapping mapping, ActionForm form,HttpServletRequest request, HttpServletResponse response)throws Exception {InputStream inStream = request.getInputStream();byte[] data = StreamTool.readInputStream(inStream);String xml = new String(data, "UTF-8");System.out.println(xml);return mapping.findForward("result");}}