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xuanyuanxiaoxue:
...
Android - LayoutInflater -
柴兴博:
不错 多谢
Android 悬浮Activity并可拖动(访悬浮歌词) -
di1984HIT:
写的很好,我收藏一下。
java之动态代理模式(JDK和cglib) -
chinacssnj:
待测试,明天测,测试的结果发给大家
网络开发上传文件到服务器 -
fx_199182:
...
Android之MediaPlayer
一:服务器端:
1:struts-config.xml
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE struts-config (View Source for full doctype...)> - <struts-config> - <form-beans> <form-bean name="videoForm" type="cn.itcast.formbean.VideoForm" /> </form-beans> - <action-mappings> - <action path="/video/list" name="videoForm" scope="request" type="cn.itcast.action.VideoListAction"> <forward name="video" path="/WEB-INF/page/videos.jsp" /> <forward name="jsonvideo" path="/WEB-INF/page/jsonvideos.jsp" /> </action> - <action path="/video/manage" name="videoForm" scope="request" type="cn.itcast.action.VideoManageAction" parameter="method"> <forward name="result" path="/WEB-INF/page/result.jsp" /> </action> </action-mappings> </struts-config>
2:VideoForm
package cn.itcast.formbean; import org.apache.struts.action.ActionForm; import org.apache.struts.upload.FormFile; public class VideoForm extends ActionForm { private String format; private String title; private Integer timelength; private FormFile video; public FormFile getVideo() { return video; } public void setVideo(FormFile video) { this.video = video; } public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public Integer getTimelength() { return timelength; } public void setTimelength(Integer timelength) { this.timelength = timelength; } public String getFormat() { return format; } public void setFormat(String format) { this.format = format; } }
3:VideoManageAction.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"); } }
4:result.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Insert title here</title> </head> <body> 保存完成 </body> </html>
二:客户端
1:FormFile.java
package cn.itcast.utils; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.InputStream; /** * 上传文件 */ public class FormFile { /* 上传文件的数据 */ private byte[] data; private InputStream inStream; private File file; /* 文件名称 */ private String filname; /* 请求参数名称*/ private String parameterName; /* 内容类型 */ private String contentType = "application/octet-stream"; public FormFile(String filname, byte[] data, String parameterName, String contentType) { this.data = data; this.filname = filname; this.parameterName = parameterName; if(contentType!=null) this.contentType = contentType; } public FormFile(String filname, File file, String parameterName, String contentType) { this.filname = filname; this.parameterName = parameterName; this.file = file; try { this.inStream = new FileInputStream(file); } catch (FileNotFoundException e) { e.printStackTrace(); } if(contentType!=null) this.contentType = contentType; } public File getFile() { return file; } public InputStream getInStream() { return inStream; } public byte[] getData() { return data; } public String getFilname() { return filname; } public void setFilname(String filname) { this.filname = filname; } public String getParameterName() { return parameterName; } public void setParameterName(String parameterName) { this.parameterName = parameterName; } public String getContentType() { return contentType; } public void setContentType(String contentType) { this.contentType = contentType; } }
2:StreamTool
package cn.itcast.utils; import java.io.ByteArrayOutputStream; import java.io.InputStream; public class StreamTool { /** * 从输入流读取数据 * @param inStream * @return * @throws Exception */ public static byte[] readInputStream(InputStream inStream) throws Exception{ ByteArrayOutputStream outSteam = new ByteArrayOutputStream(); byte[] buffer = new byte[1024]; int len = 0; while( (len = inStream.read(buffer)) !=-1 ){ outSteam.write(buffer, 0, len); } outSteam.close(); inStream.close(); return outSteam.toByteArray(); } }
3:SocketHttpRequester.java
package cn.itcast.utils; import java.io.BufferedReader; import java.io.ByteArrayOutputStream; import java.io.DataOutputStream; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; import java.net.HttpURLConnection; import java.net.InetAddress; import java.net.Socket; import java.net.URL; import java.net.URLEncoder; import java.util.ArrayList; import java.util.List; import java.util.Map; import org.apache.http.HttpResponse; import org.apache.http.NameValuePair; import org.apache.http.client.HttpClient; 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; public class SocketHttpRequester { /** * 发送xml数据 * @param path 请求地址 * @param xml xml数据 * @param encoding 编码 * @return * @throws Exception */ public static byte[] postXml(String path, String xml, String encoding) throws Exception{ byte[] data = xml.getBytes(encoding); URL url = new URL(path); HttpURLConnection conn = (HttpURLConnection)url.openConnection(); conn.setRequestMethod("POST"); conn.setDoOutput(true); conn.setRequestProperty("Content-Type", "text/xml; charset="+ encoding); conn.setRequestProperty("Content-Length", String.valueOf(data.length)); conn.setConnectTimeout(5 * 1000); OutputStream outStream = conn.getOutputStream(); outStream.write(data); outStream.flush(); outStream.close(); if(conn.getResponseCode()==200){ return readStream(conn.getInputStream()); } return null; } /** * 直接通过HTTP协议提交数据到服务器,实现如下面表单提交功能: * <FORM METHOD=POST ACTION="http://192.168.0.200:8080/ssi/fileload/test.do" enctype="multipart/form-data"> <INPUT TYPE="text" NAME="name"> <INPUT TYPE="text" NAME="id"> <input type="file" name="imagefile"/> <input type="file" name="zip"/> </FORM> * @param path 上传路径(注:避免使用localhost或127.0.0.1这样的路径测试,因为它会指向手机模拟器,你可以使用http://www.itcast.cn或http://192.168.1.10:8080这样的路径测试) * @param params 请求参数 key为参数名,value为参数值 * @param file 上传文件 */ public static boolean post(String path, Map<String, String> params, FormFile[] files) throws Exception{ final String BOUNDARY = "---------------------------7da2137580612"; //数据分隔线 final String endline = "--" + BOUNDARY + "--\r\n";//数据结束标志 int fileDataLength = 0; for(FormFile uploadFile : files){//得到文件类型数据的总长度 StringBuilder fileExplain = new StringBuilder(); fileExplain.append("--"); fileExplain.append(BOUNDARY); fileExplain.append("\r\n"); fileExplain.append("Content-Disposition: form-data;name=\""+ uploadFile.getParameterName()+"\";filename=\""+ uploadFile.getFilname() + "\"\r\n"); fileExplain.append("Content-Type: "+ uploadFile.getContentType()+"\r\n\r\n"); fileExplain.append("\r\n"); fileDataLength += fileExplain.length(); if(uploadFile.getInStream()!=null){ fileDataLength += uploadFile.getFile().length(); }else{ fileDataLength += uploadFile.getData().length; } } StringBuilder textEntity = new StringBuilder(); for (Map.Entry<String, String> entry : params.entrySet()) {//构造文本类型参数的实体数据 textEntity.append("--"); textEntity.append(BOUNDARY); textEntity.append("\r\n"); textEntity.append("Content-Disposition: form-data; name=\""+ entry.getKey() + "\"\r\n\r\n"); textEntity.append(entry.getValue()); textEntity.append("\r\n"); } //计算传输给服务器的实体数据总长度 int dataLength = textEntity.toString().getBytes().length + fileDataLength + endline.getBytes().length; URL url = new URL(path); int port = url.getPort()==-1 ? 80 : url.getPort(); Socket socket = new Socket(InetAddress.getByName(url.getHost()), port); OutputStream outStream = socket.getOutputStream(); //下面完成HTTP请求头的发送 String requestmethod = "POST "+ url.getPath()+" HTTP/1.1\r\n"; outStream.write(requestmethod.getBytes()); String accept = "Accept: image/gif, image/jpeg, image/pjpeg, image/pjpeg, application/x-shockwave-flash, application/xaml+xml, application/vnd.ms-xpsdocument, application/x-ms-xbap, application/x-ms-application, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*\r\n"; outStream.write(accept.getBytes()); String language = "Accept-Language: zh-CN\r\n"; outStream.write(language.getBytes()); String contenttype = "Content-Type: multipart/form-data; boundary="+ BOUNDARY+ "\r\n"; outStream.write(contenttype.getBytes()); String contentlength = "Content-Length: "+ dataLength + "\r\n"; outStream.write(contentlength.getBytes()); String alive = "Connection: Keep-Alive\r\n"; outStream.write(alive.getBytes()); String host = "Host: "+ url.getHost() +":"+ port +"\r\n"; outStream.write(host.getBytes()); //写完HTTP请求头后根据HTTP协议再写一个回车换行 outStream.write("\r\n".getBytes()); //把所有文本类型的实体数据发送出来 outStream.write(textEntity.toString().getBytes()); //把所有文件类型的实体数据发送出来 for(FormFile uploadFile : files){ StringBuilder fileEntity = new StringBuilder(); fileEntity.append("--"); fileEntity.append(BOUNDARY); fileEntity.append("\r\n"); fileEntity.append("Content-Disposition: form-data;name=\""+ uploadFile.getParameterName()+"\";filename=\""+ uploadFile.getFilname() + "\"\r\n"); fileEntity.append("Content-Type: "+ uploadFile.getContentType()+"\r\n\r\n"); outStream.write(fileEntity.toString().getBytes()); if(uploadFile.getInStream()!=null){ byte[] buffer = new byte[1024]; int len = 0; while((len = uploadFile.getInStream().read(buffer, 0, 1024))!=-1){ outStream.write(buffer, 0, len); } uploadFile.getInStream().close(); }else{ outStream.write(uploadFile.getData(), 0, uploadFile.getData().length); } outStream.write("\r\n".getBytes()); } //下面发送数据结束标志,表示数据已经结束 outStream.write(endline.getBytes()); BufferedReader reader = new BufferedReader(new InputStreamReader(socket.getInputStream())); if(reader.readLine().indexOf("200")==-1){//读取web服务器返回的数据,判断请求码是否为200,如果不是200,代表请求失败 return false; } outStream.flush(); outStream.close(); reader.close(); socket.close(); return true; } /** * 提交数据到服务器 * @param path 上传路径(注:避免使用localhost或127.0.0.1这样的路径测试,因为它会指向手机模拟器,你可以使用http://www.itcast.cn或http://192.168.1.10:8080这样的路径测试) * @param params 请求参数 key为参数名,value为参数值 * @param file 上传文件 */ public static boolean post(String path, Map<String, String> params, FormFile file) throws Exception{ return post(path, params, new FormFile[]{file}); } /** * 提交数据到服务器 * @param path 上传路径(注:避免使用localhost或127.0.0.1这样的路径测试,因为它会指向手机模拟器,你可以使用http://www.itcast.cn或http://192.168.1.10:8080这样的路径测试) * @param params 请求参数 key为参数名,value为参数值 * @param encode 编码 */ public static byte[] postFromHttpClient(String path, Map<String, String> params, String encode) throws Exception{ List<NameValuePair> formparams = new ArrayList<NameValuePair>();//用于存放请求参数 for(Map.Entry<String, String> entry : params.entrySet()){ formparams.add(new BasicNameValuePair(entry.getKey(), entry.getValue())); } UrlEncodedFormEntity entity = new UrlEncodedFormEntity(formparams, encode); HttpPost httppost = new HttpPost(path); httppost.setEntity(entity); HttpClient httpclient = new DefaultHttpClient();//看作是浏览器 HttpResponse response = httpclient.execute(httppost);//发送post请求 return readStream(response.getEntity().getContent()); } /** * 发送请求 * @param path 请求路径 * @param params 请求参数 key为参数名称 value为参数值 * @param encode 请求参数的编码 */ public static byte[] post(String path, Map<String, String> params, String encode) throws Exception{ //String params = "method=save&name="+ URLEncoder.encode("老毕", "UTF-8")+ "&age=28&";//需要发送的参数 StringBuilder parambuilder = new StringBuilder(""); if(params!=null && !params.isEmpty()){ for(Map.Entry<String, String> entry : params.entrySet()){ parambuilder.append(entry.getKey()).append("=") .append(URLEncoder.encode(entry.getValue(), encode)).append("&"); } parambuilder.deleteCharAt(parambuilder.length()-1); } byte[] data = parambuilder.toString().getBytes(); URL url = new URL(path); HttpURLConnection conn = (HttpURLConnection)url.openConnection(); conn.setDoOutput(true);//允许对外发送请求参数 conn.setUseCaches(false);//不进行缓存 conn.setConnectTimeout(5 * 1000); conn.setRequestMethod("POST"); //下面设置http请求头 conn.setRequestProperty("Accept", "image/gif, image/jpeg, image/pjpeg, image/pjpeg, application/x-shockwave-flash, application/xaml+xml, application/vnd.ms-xpsdocument, application/x-ms-xbap, application/x-ms-application, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*"); conn.setRequestProperty("Accept-Language", "zh-CN"); conn.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.2; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)"); conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); conn.setRequestProperty("Content-Length", String.valueOf(data.length)); conn.setRequestProperty("Connection", "Keep-Alive"); //发送参数 DataOutputStream outStream = new DataOutputStream(conn.getOutputStream()); outStream.write(data);//把参数发送出去 outStream.flush(); outStream.close(); if(conn.getResponseCode()==200){ return readStream(conn.getInputStream()); } return null; } /** * 读取流 * @param inStream * @return 字节数组 * @throws Exception */ public static byte[] readStream(InputStream inStream) throws Exception{ ByteArrayOutputStream outSteam = new ByteArrayOutputStream(); byte[] buffer = new byte[1024]; int len = -1; while( (len=inStream.read(buffer)) != -1){ outSteam.write(buffer, 0, len); } outSteam.close(); inStream.close(); return outSteam.toByteArray(); } }
4:MainActivity
package cn.itcast.uploaddata; import java.io.File; import java.util.HashMap; import java.util.Map; import cn.itcast.net.HttpRequest; import cn.itcast.utils.FormFile; import cn.itcast.utils.SocketHttpRequester; import android.app.Activity; import android.os.Bundle; import android.os.Environment; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.Toast; public class MainActivity extends Activity { private static final String TAG = "MainActivity"; private EditText timelengthText; private EditText titleText; private EditText videoText; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); Button button = (Button) this.findViewById(R.id.button); timelengthText = (EditText) this.findViewById(R.id.timelength); videoText = (EditText) this.findViewById(R.id.video); titleText = (EditText) this.findViewById(R.id.title); button.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { String title = titleText.getText().toString(); String timelength = timelengthText.getText().toString(); Map<String, String> params = new HashMap<String, String>(); params.put("method", "save"); params.put("title", title); params.put("timelength", timelength); try { // HttpRequest.sendGetRequest("http://192.168.1.100:8080/videoweb/video/manage.do", params, "UTF-8"); File uploadFile = new File(Environment.getExternalStorageDirectory(), videoText.getText().toString()); FormFile formfile = new FormFile("02.mp3", uploadFile, "video", "audio/mpeg"); SocketHttpRequester.post("http://192.168.1.100:8080/videoweb/video/manage.do", params, formfile); Toast.makeText(MainActivity.this, R.string.success, 1).show(); } catch (Exception e) { Toast.makeText(MainActivity.this, R.string.error, 1).show(); Log.e(TAG, e.toString()); } } }); } }
5:AndroidManifest.xml
<?xml version="1.0" encoding="utf-8" ?> - <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="cn.itcast.uploaddata" android:versionCode="1" android:versionName="1.0"> - <application android:icon="@drawable/icon" android:label="@string/app_name"> <uses-library android:name="android.test.runner" /> - <activity android:name=".MainActivity" android:label="@string/app_name"> - <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> <uses-sdk android:minSdkVersion="8" /> - <!-- 在SDCard中创建与删除文件权限 --> <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" /> - <!-- 往SDCard写入数据权限 --> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> - <!-- 访问网络的权限 --> <uses-permission android:name="android.permission.INTERNET" /> <instrumentation android:name="android.test.InstrumentationTestRunner" android:targetPackage="cn.itcast.uploaddata" android:label="Tests for My App" /> </manifest>
发表评论
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Android中AsyncTask的简单用法
2012-01-13 16:00 1127在开发Android移动客户端的时候往往要使用多线程来进行操 ... -
Android应用的自动升级、更新模块的实现 .
2011-11-16 14:01 648http://www.eoeandroid.com/threa ... -
一个APK反编译利器Apktool
2011-11-16 13:54 1559一个APK反编译利器Apktool APK 本地化 ... -
自定义Android标题栏TitleBar布局
2011-11-14 14:13 1219很多网友发现自己Android程序的标题栏TitleBar区域 ... -
Android GPS获取地理位置 .
2011-11-14 14:11 830import android.app.Activity; i ... -
android ListView详解
2011-11-14 13:48 1026在android开发中ListView是比较常用的组件,它以列 ... -
Android之Content provider 详解
2011-11-14 13:35 2437Android是如何实现应用程序之间数据共享的?一个应用程序可 ... -
Android源码地址
2011-11-12 19:14 1028http://blog.csdn.net/ilittleone ... -
android之File
2011-11-11 22:39 19721:Fileservice package cn.itcas ... -
Android知识补漏
2011-11-09 22:33 01:AndroidManifiest.xml < ... -
深入剖析Android消息机制
2011-11-09 14:13 936在Android中,线程内部或者线程之间进行信息交互时经常会使 ... -
Android之Handler详解(四)
2011-11-09 14:00 1265d、自己创建新的线程,然后在新线程中创建Looper,主线程调 ... -
Android之Handler详解(三)
2011-11-09 13:58 1351c、将消息队列绑定到子线程上,主线程只管通过Handl ... -
Android之Handler详解(二)
2011-11-09 13:54 1637二:sendMessage版本的Handl ... -
Android之Handler详解(一)
2011-11-09 13:22 2270一个Handler允许你发送和处理消息(Message)以及 ... -
关于StartActivityForResult方法的使用
2011-10-31 17:11 1060根据方法名可知 这个方法是要得到启动后的Activity返回的 ... -
Android 悬浮Activity并可拖动(访悬浮歌词)
2011-10-24 16:23 2056天天动听, 这款Android手机上的音乐播放器,相信不少朋友 ... -
Android GWES
2011-10-24 16:13 1162第八章 Android GWES 8.1 View Syst ... -
Android系统服务-WindowManager
2011-10-24 16:10 1417WindowManager是Android中一个重要的服务 ... -
http通信
2011-10-15 17:31 1070HTTP(HyperText Transfer Proto ...
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引用开源框架发送get请求给服务器步骤: 1.创建异步请求端对象 2.发送get请求,(get请求参数含义:请求的url地址;异步请求的handler) 3.在成功请求里(status:状态返回码,headers:头部请求信息,responseBody...
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通过Get方式提交参数给Web应用 B.通过Post方式提交参数给Web应用 C.使用HttpClient开源项目提交参数给服务器 4> 网络--通过HTTP协议实现文件上传 第五天 1> 网络--通过HTTP协议发送XML数据,并调用webservice...
总是需要一个解析器,提供了默认解析器基于Builder的查询以最大程度地减少代码大小文件和InputStream的多部分POST URL编码的JSON数据URL编码的字符串数据轻松将参数添加到GET查询轻巧的内存单TopheException从抛出...
HttpClient demo,实现了post与get两种方式,包括完整的Android客户端和JavaPC服务器端程序
|--网络之HttpClient的get和post用法 |--网络之判断网络状态是否可用 |--网络之设置apn |--网络图片查看器 |--网络图片的下载与缓存 |--网络文件的下载与关联进度条 |--联系人之各种查找 |--联系人读写与批量操作 |-...
Apache HttpClient是一个完善的HTTP客户端,它提供了对HTTP协议的全面支持,可以使用HTTP GET和POST进行访问。下面我们就结合实例,介绍一下HttpClient的使用方法。 我们新建一个http项目,项目结构如图: 在这个...
7、通过HttpClient从指定server获取数据 13 8、隐藏小键盘 13 9、响应Touch 15 10、Activity间的通信 15 1、Bundle传值 15 2、利用startActivityForResult与onActivityResult方法 16 11、使程序完全退出 18 12、列出...
)Android常用UI组件(CheckBox、Button、TextView…)、AsyncTask异步获取JSON数据、SQLite数据库的使用、自定义Adapter、JSON数据解析、BroadcastReceiver的使用、Spinner的使用、Dialog的使用、httpClient通信、get...