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

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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");
	}
}



 

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