我想使用php和android将音频视频和图像文件上传到服务器。 我已经阅读了许多代码和示例，但没有找到任何适合上传音频和视频的示例。 我已经成功完成了图片上传部分，所以请帮我上传视频和音频部分。我想将上传大小设置为最大10MB的音频和视频
以下是我为音频上传尝试但未获得的代码
package com.sunil.upload;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.util.Log;
public class MainActivity extends Activity {
private static final int SELECT_AUDIO = 2;
String selectedPath = "";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
openGalleryAudio();
}
public void openGalleryAudio(){
Intent intent = new Intent();
intent.setType("audio/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(intent,"Select Audio "), SELECT_AUDIO);
}
public void onActivityResult(int requestCode, int resultCode, Intent data) {
if (resultCode == RESULT_OK) {
if (requestCode == SELECT_AUDIO)
{
System.out.println("SELECT_AUDIO");
Uri selectedImageUri = data.getData();
selectedPath = getPath(selectedImageUri);
System.out.println("SELECT_AUDIO Path : " + selectedPath);
doFileUpload();
}
}
}
public String getPath(Uri uri) {
String[] projection = { MediaStore.Images.Media.DATA };
Cursor cursor = managedQuery(uri, projection, null, null, null);
int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
cursor.moveToFirst();
return cursor.getString(column_index);
}
private void doFileUpload(){
HttpURLConnection conn = null;
DataOutputStream dos = null;
DataInputStream inStream = null;
String lineEnd = "rn";
String twoHyphens = "--";
String boundary = "*****";
int bytesRead, bytesAvailable, bufferSize;
byte[] buffer;
int maxBufferSize = 1*1024*1024;
String responseFromServer = "";
String urlString = "http://192.168.1.102/upload_audio.php";
try
{
//------------------ CLIENT REQUEST
FileInputStream fileInputStream = new FileInputStream(new File(selectedPath) );
// open a URL connection to the Servlet
URL url = new URL(urlString);
// Open a HTTP connection to the URL
conn = (HttpURLConnection) url.openConnection();
// Allow Inputs
conn.setDoInput(true);
// Allow Outputs
conn.setDoOutput(true);
// Don't use a cached copy.
conn.setUseCaches(false);
// Use a post method.
conn.setRequestMethod("POST");
conn.setRequestProperty("Connection", "Keep-Alive");
conn.setRequestProperty("Content-Type", "multipart/form-data;boundary="+boundary);
dos = new DataOutputStream( conn.getOutputStream() );
dos.writeBytes(twoHyphens + boundary + lineEnd);
dos.writeBytes("Content-Disposition: form-data; name="";filename="" + selectedPath + """ + lineEnd);
dos.writeBytes(lineEnd);
// create a buffer of maximum size
bytesAvailable = fileInputStream.available();
bufferSize = Math.min(bytesAvailable, maxBufferSize);
buffer = new byte[bufferSize];
// read file and write it into form...
bytesRead = fileInputStream.read(buffer, 0, bufferSize);
while (bytesRead > 0)
{
dos.write(buffer, 0, bufferSize);
bytesAvailable = fileInputStream.available();
bufferSize = Math.min(bytesAvailable, maxBufferSize);
bytesRead = fileInputStream.read(buffer, 0, bufferSize);
}
// send multipart form data necesssary after file data...
dos.writeBytes(lineEnd);
dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);
// close streams
Log.e("Debug","File is written");
fileInputStream.close();
dos.flush();
dos.close();
}
catch (MalformedURLException ex)
{
Log.e("Debug", "error: " + ex.getMessage(), ex);
}
catch (IOException ioe)
{
Log.e("Debug", "error: " + ioe.getMessage(), ioe);
}
//------------------ read the SERVER RESPONSE
try {
inStream = new DataInputStream ( conn.getInputStream() );
String str;
while (( str = inStream.readLine()) != null)
{
Log.e("Debug","Server Response "+str);
}
inStream.close();
}
catch (IOException ioex){
Log.e("Debug", "error: " + ioex.getMessage(), ioex);
}
}
}
我没有这个代码
dos.writeBytes("Content-Disposition: form-data; name="";filename="" + selectedPath + """ + lineEnd);
我应该如何修改此声明
PHP文件
$target_path = "uploads/";
$target_path = $target_path . basename( $_FILES['uploadedfile']['name']);
if(move_uploaded_file($_FILES['uploadedfile']['tmp_name'], $target_path)) {
echo "The file ". basename( $_FILES['uploadedfile']['name']).
" has been uploaded";
} else{
echo "There was an error uploading the file, please try again!";
}
谢谢
这里是logcat
03-20 09:22:28.181: E/AndroidRuntime(3486): FATAL EXCEPTION: main
03-20 09:22:28.181: E/AndroidRuntime(3486): java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=2, result=-1, data=Intent { dat=file:///storage/emulated/0/Download/[Songs.PK] 01 - 2 States - Offo.mp3 }} to activity {com.sunil.upload/com.sunil.upload.MainActivity}: java.lang.NullPointerException
03-20 09:22:28.181: E/AndroidRuntime(3486): at android.app.ActivityThread.deliverResults(ActivityThread.java:3319)
03-20 09:22:28.181: E/AndroidRuntime(3486): at android.app.ActivityThread.handleSendResult(ActivityThread.java:3362)
03-20 09:22:28.181: E/AndroidRuntime(3486): at android.app.ActivityThread.access$1100(ActivityThread.java:141)
03-20 09:22:28.181: E/AndroidRuntime(3486): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1282)
03-20 09:22:28.181: E/AndroidRuntime(3486): at android.os.Handler.dispatchMessage(Handler.java:99)
03-20 09:22:28.181: E/AndroidRuntime(3486): at android.os.Looper.loop(Looper.java:137)
03-20 09:22:28.181: E/AndroidRuntime(3486): at android.app.ActivityThread.main(ActivityThread.java:5041)
03-20 09:22:28.181: E/AndroidRuntime(3486): at java.lang.reflect.Method.invokeNative(Native Method)
03-20 09:22:28.181: E/AndroidRuntime(3486): at java.lang.reflect.Method.invoke(Method.java:511)
03-20 09:22:28.181: E/AndroidRuntime(3486): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
03-20 09:22:28.181: E/AndroidRuntime(3486): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
03-20 09:22:28.181: E/AndroidRuntime(3486): at dalvik.system.NativeStart.main(Native Method)
03-20 09:22:28.181: E/AndroidRuntime(3486): Caused by: java.lang.NullPointerException
03-20 09:22:28.181: E/AndroidRuntime(3486): at com.sunil.upload.MainActivity.getPath(MainActivity.java:63)
03-20 09:22:28.181: E/AndroidRuntime(3486): at com.sunil.upload.MainActivity.onActivityResult(MainActivity.java:52)
03-20 09:22:28.181: E/AndroidRuntime(3486): at android.app.Activity.dispatchActivityResult(Activity.java:5293)
03-20 09:22:28.181: E/AndroidRuntime(3486): at android.app.ActivityThread.deliverResults(ActivityThread.java:3315)
03-20 09:22:28.181: E/AndroidRuntime(3486): ... 11 more
03-20 09:23:13.545: E/Trace(3599): error opening trace file: No such file or directory (2)
03-20 09:23:19.589: E/AndroidRuntime(3599): FATAL EXCEPTION: main
03-20 09:23:19.589: E/AndroidRuntime(3599): java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=2, result=-1, data=Intent { dat=file:///storage/emulated/0/Download/[Songs.PK] 01 - 2 States - Offo.mp3 }} to activity {com.sunil.upload/com.sunil.upload.MainActivity}: java.lang.NullPointerException
03-20 09:23:19.589: E/AndroidRuntime(3599): at android.app.ActivityThread.deliverResults(ActivityThread.java:3319)
03-20 09:23:19.589: E/AndroidRuntime(3599): at android.app.ActivityThread.handleSendResult(ActivityThread.java:3362)
03-20 09:23:19.589: E/AndroidRuntime(3599): at android.app.ActivityThread.access$1100(ActivityThread.java:141)
03-20 09:23:19.589: E/AndroidRuntime(3599): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1282)
03-20 09:23:19.589: E/AndroidRuntime(3599): at android.os.Handler.dispatchMessage(Handler.java:99)
03-20 09:23:19.589: E/AndroidRuntime(3599): at android.os.Looper.loop(Looper.java:137)
03-20 09:23:19.589: E/AndroidRuntime(3599): at android.app.ActivityThread.main(ActivityThread.java:5041)
03-20 09:23:19.589: E/AndroidRuntime(3599): at java.lang.reflect.Method.invokeNative(Native Method)
03-20 09:23:19.589: E/AndroidRuntime(3599): at java.lang.reflect.Method.invoke(Method.java:511)
03-20 09:23:19.589: E/AndroidRuntime(3599): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
03-20 09:23:19.589: E/AndroidRuntime(3599): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
03-20 09:23:19.589: E/AndroidRuntime(3599): at dalvik.system.NativeStart.main(Native Method)
03-20 09:23:19.589: E/AndroidRuntime(3599): Caused by: java.lang.NullPointerException
03-20 09:23:19.589: E/AndroidRuntime(3599): at com.sunil.upload.MainActivity.getPath(MainActivity.java:63)
03-20 09:23:19.589: E/AndroidRuntime(3599): at com.sunil.upload.MainActivity.onActivityResult(MainActivity.java:52)
03-20 09:23:19.589: E/AndroidRuntime(3599): at android.app.Activity.dispatchActivityResult(Activity.java:5293)
03-20 09:23:19.589: E/AndroidRuntime(3599): at android.app.ActivityThread.deliverResults(ActivityThread.java:3315)
03-20 09:23:19.589: E/AndroidRuntime(3599): ... 11 more
答案 0 :(得分：1)
替换此
dos.writeBytes("Content-Disposition: form-data; name="";filename="" + selectedPath + """ + lineEnd);
与
dos.writeBytes("Content-Disposition: form-data; name=\"uploadedfile\";filename=\""+ selectedPath+ "\"" + lineEnd);
因为在您的 php 文件中，您已通过uploadedfile
$target_path = $target_path . basename( $_FILES['uploadedfile']['name']);
所以你必须传递 uploadedfile 作为名称的参数。
希望这会对你有所帮助。