Android通過Get,Post,HttpClient方式提交參數給服務器

[java]  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);//如果通過post提交數據，必須設置允許對外輸出數據           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=save           StringBuilder 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();//得到實體的二進制數據           URL url = new URL(path);           HttpURLConnection conn = (HttpURLConnection)url.openConnection();           conn.setRequestMethod("POST");           conn.setConnectTimeout(5 * 1000);           conn.setDoOutput(true);//如果通過post提交數據，必須設置允許對外輸出數據           //Content-Type: application/x-www-form-urlencoded           //Content-Length: 38           conn.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 Cookie       public 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);//得到經過編碼過後的實體數據           HttpPost post = new HttpPost(path); //form           post.setEntity(entitydata);           DefaultHttpClient client = new DefaultHttpClient(); //浏覽器           HttpResponse response = client.execute(post);//執行請求           if(response.getStatusLine().getStatusCode()==200){               return true;           }           return false;       }   }     [java]   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=90           Map<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", "中國");           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", "傳智播客");           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);       }   }   服務器端代碼： [java]  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());           }           //下面完成視頻文件的保存           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");       }   }