使用PHP将图像从应用程序上载到服务器
我有一个使用Monaca/Onsen UI和AngularJS构建的跨平台应用程序。 该应用程序允许用户拍摄图像(照片),并按预期工作 接下来,我想将这些图像上传到我的服务器上,以便存储和将来使用 我让应用程序图像捕获按预期工作,我已经在服务器上实现了一个PHP解决方案,似乎正在工作,但我似乎看不到图像 我用于捕获和上传的应用程序代码如下所示(目前我只是访问图像库并选择图像进行测试,而不是捕获它们,但这两种解决方案都有效): 从成功响应来看,似乎正在发送图像,但当我检查图像应该保存到的文件夹(C:\xampp\htdocs\public\api\upload)时,该文件夹是空的。服务器端详细信息是使用AWS上托管的Laravel框架的Sximo模板 处理服务器端保存的PHP代码如下所示:使用PHP将图像从应用程序上载到服务器,php,android,angularjs,image,onsen-ui,Php,Android,Angularjs,Image,Onsen Ui,我有一个使用Monaca/Onsen UI和AngularJS构建的跨平台应用程序。 该应用程序允许用户拍摄图像(照片),并按预期工作 接下来,我想将这些图像上传到我的服务器上,以便存储和将来使用 我让应用程序图像捕获按预期工作,我已经在服务器上实现了一个PHP解决方案,似乎正在工作,但我似乎看不到图像 我用于捕获和上传的应用程序代码如下所示(目前我只是访问图像库并选择图像进行测试,而不是捕获它们,但这两种解决方案都有效): 从成功响应来看,似乎正在发送图像,但当我检查图像应该保存到的文件夹(C
<?php
// Connect to Database
$DB_HOST = 'localhost';
$DB_USER = 'root';
$DB_PASS = '';
$DB_NAME = 'myDB';
$mysqli = new mysqli($DB_HOST, $DB_USER, $DB_PASS, $DB_NAME);
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
// Allow Headers
header('Access-Control-Allow-Origin: *');
$new_image_name = urldecode($_FILES["file"]["name"]).".jpg";
// Move files into upload folder
move_uploaded_file($_FILES["file"]["tmp_name"], 'C:\xampp\htdocs\public\api\upload'.$new_image_name);
mysqli_close($mysqli);
这是我用来将图像从gallery应用程序发送到服务器的asynktask
public static class requestPostReportPhoto extends AsyncTask<String, Void, String> {
Bitmap image;
String JSON_STRING;
@Override
protected void onPreExecute(){
String fileUrl = Environment.getExternalStorageDirectory()+"/"+Environment.DIRECTORY_DCIM+"/"+"albumName"+"/"+"photoName";
image = BitmapFactory.decodeFile(fileUrl);
}
@Override
protected String doInBackground(String... params) {
String fileUrl = Environment.getExternalStorageDirectory()+"/"+Environment.DIRECTORY_DCIM+"/"+"albumName"+"/"+"photoName";
DataOutputStream dos = null;
String lineEnd = "\r\n";
String twoHyphens = "--";
String boundary = "*****";
HttpURLConnection connection = null;
int bytesRead, bytesAvailable, bufferSize;
byte[] buffer;
int maxBufferSize = 1 * 1024 * 1024;
String response = "Error";
String urlString = "yourUrlServer";
try {
File file = new File(fileUrl);
FileInputStream fileInputStream = new FileInputStream(file);
URL url = new URL(urlString);
connection = (HttpURLConnection) url.openConnection();
connection.setDoInput(true); // Allow Inputs
connection.setDoOutput(true); // Allow Outputs
connection.setUseCaches(false);
connection.setRequestMethod("POST");
connection.setRequestProperty("Connection", "Keep-Alive");
connection.addRequestProperty("content-type", "multipart/form-data; boundary=" + boundary);
dos = new DataOutputStream(connection.getOutputStream());
dos.writeBytes(twoHyphens + boundary + lineEnd);
dos.writeBytes("Content-Disposition: form-data; name=\"file\";filename=\"" + "PHOTONAME" + "\"" + lineEnd);
dos.writeBytes(lineEnd);
Log.d("MediaPlayer", "Headers are written");
bytesAvailable = fileInputStream.available();
bufferSize = Math.min(bytesAvailable, maxBufferSize);
buffer = new byte[bufferSize];
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);
}
dos.writeBytes(lineEnd);
dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);
StringBuilder responseSB = new StringBuilder();
int result = connection.getResponseCode();
BufferedReader br;
// 401 - 422 - 403 - 404 - 500
if (result == 401 || result == 422 || result == 403 || result == 404 || result == 500)
{
br = new BufferedReader(new InputStreamReader(connection.getErrorStream()));
}
else {
br = new BufferedReader(new InputStreamReader(connection.getInputStream()));
}
while ( (JSON_STRING = br.readLine()) != null)
responseSB.append(JSON_STRING+ "\n");
Log.d("MediaPlayer","File is written");
fileInputStream.close();
dos.flush();
dos.close();
br.close();
response = responseSB.toString().trim();
} catch (IOException ioe) {
Log.d("MediaPlayer", "error: " + ioe.getMessage(), ioe);
}
return response;
}
@Override
protected void onPostExecute(String result) {
Log.d("SERVER RESPONSE ->",result)
}
@Override
protected void onProgressUpdate(Void... values) {
super.onProgressUpdate(values);
}
}
公共静态类requestPostReportPhoto扩展异步任务{
位图图像;
字符串JSON_字符串;
@凌驾
受保护的void onPreExecute(){
String fileUrl=Environment.getExternalStorageDirectory()+“/”+Environment.DIRECTORY\u DCIM+“/”+“albumName”+“/”+“photoName”;
image=BitmapFactory.decodeFile(fileUrl);
}
@凌驾
受保护的字符串doInBackground(字符串…参数){
String fileUrl=Environment.getExternalStorageDirectory()+“/”+Environment.DIRECTORY\u DCIM+“/”+“albumName”+“/”+“photoName”;
DataOutputStream dos=null;
字符串lineEnd=“\r\n”;
字符串双连字符=“--”;
字符串边界=“*******”;
HttpURLConnection=null;
int字节读取,字节可用,缓冲区大小;
字节[]缓冲区;
int maxBufferSize=1*1024*1024;
字符串response=“Error”;
字符串urlString=“yourUrlServer”;
试一试{
File File=新文件(fileUrl);
FileInputStream FileInputStream=新的FileInputStream(文件);
URL=新URL(URL字符串);
connection=(HttpURLConnection)url.openConnection();
connection.setDoInput(true);//允许输入
connection.setDoOutput(true);//允许输出
connection.setUseCaches(false);
connection.setRequestMethod(“POST”);
setRequestProperty(“连接”,“保持活动”);
connection.addRequestProperty(“内容类型”、“多部分/表单数据;边界=“+boundary”);
dos=新的DataOutputStream(connection.getOutputStream());
写字节(两个连字符+边界+行结束);
writeBytes(“内容处理:表单数据;名称=\”文件\“文件名=\”+”PHOTONAME“+”\”+lineEnd);
dos.writeBytes(lineEnd);
Log.d(“MediaPlayer”,“写入标题”);
bytesAvailable=fileInputStream.available();
bufferSize=Math.min(字节可用,maxBufferSize);
buffer=新字节[bufferSize];
bytesRead=fileInputStream.read(缓冲区,0,缓冲区大小);
而(字节读取>0){
写入(缓冲区,0,缓冲区大小);
bytesAvailable=fileInputStream.available();
bufferSize=Math.min(字节可用,maxBufferSize);
bytesRead=fileInputStream.read(缓冲区,0,缓冲区大小);
}
dos.writeBytes(lineEnd);
写字节(两个连字符+边界+两个连字符+行结束);
StringBuilder responseB=新的StringBuilder();
int result=connection.getResponseCode();
缓冲剂;
// 401 - 422 - 403 - 404 - 500
如果(结果==401 | |结果==422 | |结果==403 | |结果==404 | |结果==500)
{
br=新的BufferedReader(新的InputStreamReader(connection.getErrorStream());
}
否则{
br=新的BufferedReader(新的InputStreamReader(connection.getInputStream());
}
而((JSON_STRING=br.readLine())!=null)
append(JSON_字符串+“\n”);
Log.d(“MediaPlayer”,“文件已写入”);
fileInputStream.close();
dos.flush();
dos.close();
br.close();
response=responseb.toString().trim();
}捕获(ioe异常ioe){
Log.d(“MediaPlayer”,“错误:”+ioe.getMessage(),ioe);
}
返回响应;
}
@凌驾
受保护的void onPostExecute(字符串结果){
Log.d(“服务器响应->”,结果)
}
@凌驾
受保护的void onProgressUpdate(void…值){
super.onProgressUpdate(值);
}
}
public static class requestPostReportPhoto extends AsyncTask<String, Void, String> {
Bitmap image;
String JSON_STRING;
@Override
protected void onPreExecute(){
String fileUrl = Environment.getExternalStorageDirectory()+"/"+Environment.DIRECTORY_DCIM+"/"+"albumName"+"/"+"photoName";
image = BitmapFactory.decodeFile(fileUrl);
}
@Override
protected String doInBackground(String... params) {
String fileUrl = Environment.getExternalStorageDirectory()+"/"+Environment.DIRECTORY_DCIM+"/"+"albumName"+"/"+"photoName";
DataOutputStream dos = null;
String lineEnd = "\r\n";
String twoHyphens = "--";
String boundary = "*****";
HttpURLConnection connection = null;
int bytesRead, bytesAvailable, bufferSize;
byte[] buffer;
int maxBufferSize = 1 * 1024 * 1024;
String response = "Error";
String urlString = "yourUrlServer";
try {
File file = new File(fileUrl);
FileInputStream fileInputStream = new FileInputStream(file);
URL url = new URL(urlString);
connection = (HttpURLConnection) url.openConnection();
connection.setDoInput(true); // Allow Inputs
connection.setDoOutput(true); // Allow Outputs
connection.setUseCaches(false);
connection.setRequestMethod("POST");
connection.setRequestProperty("Connection", "Keep-Alive");
connection.addRequestProperty("content-type", "multipart/form-data; boundary=" + boundary);
dos = new DataOutputStream(connection.getOutputStream());
dos.writeBytes(twoHyphens + boundary + lineEnd);
dos.writeBytes("Content-Disposition: form-data; name=\"file\";filename=\"" + "PHOTONAME" + "\"" + lineEnd);
dos.writeBytes(lineEnd);
Log.d("MediaPlayer", "Headers are written");
bytesAvailable = fileInputStream.available();
bufferSize = Math.min(bytesAvailable, maxBufferSize);
buffer = new byte[bufferSize];
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);
}
dos.writeBytes(lineEnd);
dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);
StringBuilder responseSB = new StringBuilder();
int result = connection.getResponseCode();
BufferedReader br;
// 401 - 422 - 403 - 404 - 500
if (result == 401 || result == 422 || result == 403 || result == 404 || result == 500)
{
br = new BufferedReader(new InputStreamReader(connection.getErrorStream()));
}
else {
br = new BufferedReader(new InputStreamReader(connection.getInputStream()));
}
while ( (JSON_STRING = br.readLine()) != null)
responseSB.append(JSON_STRING+ "\n");
Log.d("MediaPlayer","File is written");
fileInputStream.close();
dos.flush();
dos.close();
br.close();
response = responseSB.toString().trim();
} catch (IOException ioe) {
Log.d("MediaPlayer", "error: " + ioe.getMessage(), ioe);
}
return response;
}
@Override
protected void onPostExecute(String result) {
Log.d("SERVER RESPONSE ->",result)
}
@Override
protected void onProgressUpdate(Void... values) {
super.onProgressUpdate(values);
}
}