Android通過Get,Post,HttpClient方式提交引數給伺服器
阿新 • • 發佈：2019-02-13
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提交資料，必須設定允許對外輸出資料 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();//得到實體的二進位制資料 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提交資料，必須設定允許對外輸出資料 //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資料 HttpPost post = new HttpPost(path); //form post.setEntity(entitydata); DefaultHttpClient client = new DefaultHttpClient(); //瀏覽器 HttpResponse response = client.execute(post);//執行請求 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); } }
伺服器端程式碼：
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()); } //下面完成視訊檔案的儲存 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"); } }