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=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: 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);//得到经过编码过后的实体数据    HttpPost post = new HttpPost(path); //form    post.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=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");   }  }