项目演示及讲解
优酷 http://v.youku.com/v_show/id_XODk5NjkwOTg4.html
爱奇艺 http://www.iqiyi.com/w_19rs1v2m15.html#vfrm=8-7-0-1
土豆 http://www.tudou.com/programs/view/fv0H93IHfhM
项目下载
1、手机端选择文件上传至服务器端
http://download.csdn.net/detail/u010134178/8457679
2、手机端拍照上传至服务器端
http://download.csdn.net/detail/u010134178/8457673
3、总下载地址
http://down.51cto.com/7851921/up
这些都是需要积分的,如果积分不够的话发送到我邮箱[email protected]我直接把项目发送过来
大家在调试的同时一定要注意
1、网络下载、上传这些操作,就是耗时的操作,要另外开线程操作,不能放到主线程里面。
2、网络下载、上传里面不能有ui操作,不能在里面显示ui。就是不能在子线程里面操作UI。如果操作完毕ui提示用户等操作,可以使用利用handler结合Thread更新UI,或者AsyncTask异步更新UI。
3、上传到本地Tomcat服务器,要关闭防火墙
接下来将给出两个项目部分代码,当然两个项目都有一个工具类HttpPost
public class HttpPost { /** * 通过拼接的方式构造请求内容,实现参数传输以及文件传输 * * @param acti * .nUrl * @param params * @param files * @return * @throws IOException */ public static String post(String actionUrl, Map<String, String> params, Map<String, File> files) throws IOException { String BOUNDARY = java.util.UUID.randomUUID().toString(); String PREFIX = "--", LINEND = "\r\n"; String MULTIPART_FROM_DATA = "multipart/form-data"; String CHARSET = "UTF-8"; URL uri = new URL(actionUrl); HttpURLConnection conn = (HttpURLConnection) uri.openConnection(); conn.setReadTimeout(5 * 1000); // 缓存的最长时间 conn.setDoInput(true);// 允许输入 conn.setDoOutput(true);// 允许输出 conn.setUseCaches(false); // 不允许使用缓存 conn.setRequestMethod("POST"); conn.setRequestProperty("connection", "keep-alive"); conn.setRequestProperty("Charsert", "UTF-8"); conn.setRequestProperty("Content-Type", MULTIPART_FROM_DATA + ";boundary=" + BOUNDARY); // 首先组拼文本类型的参数 StringBuilder sb = new StringBuilder(); for (Map.Entry<String, String> entry : params.entrySet()) { sb.append(PREFIX); sb.append(BOUNDARY); sb.append(LINEND); sb.append("Content-Disposition: form-data; name=\"" + entry.getKey() + "\"" + LINEND); sb.append("Content-Type: text/plain; charset=" + CHARSET + LINEND); sb.append("Content-Transfer-Encoding: 8bit" + LINEND); sb.append(LINEND); sb.append(entry.getValue()); sb.append(LINEND); } DataOutputStream outStream = new DataOutputStream(conn.getOutputStream()); outStream.write(sb.toString().getBytes()); // 发送文件数据 if (files != null) for (Map.Entry<String, File> file : files.entrySet()) { StringBuilder sb1 = new StringBuilder(); sb1.append(PREFIX); sb1.append(BOUNDARY); sb1.append(LINEND); sb1.append("Content-Disposition: form-data; name=\"file\"; filename=\"" + file.getKey() + "\"" + LINEND); sb1.append("Content-Type: application/octet-stream; charset=" + CHARSET + LINEND); sb1.append(LINEND); outStream.write(sb1.toString().getBytes()); InputStream is = new FileInputStream(file.getValue()); byte[] buffer = new byte[1024]; int len = 0; while ((len = is.read(buffer)) != -1) { outStream.write(buffer, 0, len); } is.close(); outStream.write(LINEND.getBytes()); } // 请求结束标志 byte[] end_data = (PREFIX + BOUNDARY + PREFIX + LINEND).getBytes(); outStream.write(end_data); outStream.flush(); // 得到响应码 int res = conn.getResponseCode(); InputStream in = conn.getInputStream(); if (res == 200) { int ch; StringBuilder sb2 = new StringBuilder(); while ((ch = in.read()) != -1) { sb2.append((char) ch); } } outStream.close(); conn.disconnect(); return in.toString(); } }
手机拍照上传至服务器主要代码
public void uploadPhoto() { Map<String, String> params = new HashMap<String, String>(); params.put("strParamName", "strParamValue"); Map<String, File> files = new HashMap<String, File>(); files.put(System.currentTimeMillis()+".jpg", new File(uploadFile));//uploadFile = "/sdcard/AnBo/laolisb.jpg"; try { String str = HttpPost.post(actionUrl, params, files); System.out.println("str--->>>" + str); } catch (Exception e) { } }
选择文件上传至服务器主要代码
/******************************************************/ private String fun(String msg){ int i = msg.length(); int j = msg.lastIndexOf("/") + 1; String a = msg.substring(j, i) ; System.out.println(a); return a; } /******************************************************/ private void uploadFile() { show.setVisibility(View.VISIBLE); new Thread() { @Override public void run() { Message msg = Message.obtain(); // 服务器的访问路径 String uploadUrl = "http://192.168.0.104:8080/UploadPhoto1/UploadServlet"; Map<String, File> files = new HashMap<String, File>(); String name = fun(picturePath); files.put(name, new File(picturePath)); //files.put("test.jpg", new File(picturePath)); Log.d("str--->>>", picturePath); try { String str = HttpPost.post(uploadUrl, new HashMap<String,String>(), files); System.out.println("str--->>>" + str); msg.what = SUCCESS; } catch (Exception e) { msg.what = FAILD; } mHandler.sendMessage(msg); } }.start(); }
时间: 2024-10-04 11:01:12