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Android,使用,HttpClient,实现,文件,传到
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上传 服务器 端PHP 代码如下 ： ? php $ target_path = ./tmp/ ;// 接收文件目录 $ target_path = $ target_path .( $ _FILES [ ‘file’ ][ ‘name’ ] ); $ target_path = iconv ( UTF-8 , gb2312 , $ target_path ); if ( move_uploaded_file ( $ _FILES [ ‘f
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上传
服务器端PHP
代码如下 ：
监控进度实现
首先定义监听器接口，如下所示：
//进度监听器接口public interface ProgressListener { public void transferred(long transferedBytes);}
实现监控进度的关键部分就在于记录已传输字节数，所以我们需重载FilterOutputStream，重写其中的关键方法，实现进度监听的功能，如下所示，本例中首先重载的是HttpEntityWrapper，顾名思义，就是将需发送的HttpEntity打包，以便计算总字节数，代码如下：
// ProgressOutHttpEntity：输出流(OutputStream)时记录已发送字节数public class ProgressOutHttpEntity extends HttpEntityWrapper { private final ProgressListener listener; public ProgressOutHttpEntity(final HttpEntity entity, final ProgressListener listener) { super(entity); this.listener = listener; } public static class CountingOutputStream extends FilterOutputStream { private final ProgressListener listener; private long transferred; CountingOutputStream(final OutputStream out,final ProgressListener listener) { super(out); this.listener = listener; this.transferred = 0; } @Override public void write(final byte[] b, final int off, final int len)throws IOException { // NO, double-counting, as super.write(byte[], int, int) // delegates to write(int). // super.write(b, off, len); out.write(b, off, len); this.transferred += len; this.listener.transferred(this.transferred); } @Override public void write(final int b) throws IOException { out.write(b); this.transferred++; this.listener.transferred(this.transferred); } } @Override public void writeTo(final OutputStream out) throws IOException { this.wrappedEntity.writeTo(out instanceof CountingOutputStream ? out: new CountingOutputStream(out, this.listener)); }}
最后就是使用上述实现的类和Httpclient进行上传并显示进度的功能，非常简单，代码如下，使用AsyncTask异步上传。
public class FileUploadAsyncTask extends AsyncTask { private String url = "http://192.168.83.213/receive_file.php"; private Context context; private ProgressDialog pd; private long totalSize; public FileUploadAsyncTask(Context context) { this.context = context; } @Override protected void onPreExecute() { pd = new ProgressDialog(context); pd.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); pd.setMessage("上传中...."); pd.setCancelable(false); pd.show(); } @Override protected String doInBackground(File... params) { // 保存需上传文件信息 MultipartEntityBuilder entitys = MultipartEntityBuilder.create(); entitys.setMode(HttpMultipartMode.BROWSER_COMPATIBLE); entitys.setCharset(Charset.forName(HTTP.UTF_8)); File file = params[0]; entitys.addPart("file", new FileBody(file)); HttpEntity httpEntity = entitys.build(); totalSize = httpEntity.getContentLength(); ProgressOutHttpEntity progressHttpEntity = new ProgressOutHttpEntity(httpEntity, new ProgressListener() { @Override public void transferred(long transferedBytes) { publishProgress((int) (100 * transferedBytes / totalSize)); }}); return uploadFile(url, progressHttpEntity); } @Override protected void onProgressUpdate(Integer... progress) { pd.setProgress((int) (progress[0])); } @Override protected void onPostExecute(String result) { pd.dismiss(); Toast.makeText(context, result, Toast.LENGTH_SHORT).show(); } //上传文件到服务器 //服务器地址//文件 public static String uploadFile(String url, ProgressOutHttpEntity entity) { HttpClient httpClient = new DefaultHttpClient(); httpClient.getParams().setParameter(CoreProtocolPNames.PROTOCOL_VERSION, HttpVersion.HTTP_1_1); // 设置连接超时时间 httpClient.getParams().setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, 5000); HttpPost httpPost = new HttpPost(url); httpPost.setEntity(entity); try { HttpResponse httpResponse = httpClient.execute(httpPost); if (httpResponse.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {return "文件上传成功"; } } catch (ClientProtocolException e) { e.printStackTrace(); } catch (ConnectTimeoutException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } finally { if (httpClient != null && httpClient.getConnectionManager() != null) {httpClient.getConnectionManager().shutdown(); } } return "文件上传失败"; }}
源码下载地址 ：下载
安度博客 ? Android使用HttpClient实现文件上传到PHP服务器，并监控进度条
备份下载地址：/detail/jdsjlzx/8486479
