你好之前有人说我不应该把它作为blob存储在数据库中，我需要它我有我的理由。上次我问这个唯一的反应就像是不要存储在数据库或其他东西。那么这里是我的代码，其中一部分工作，另一部分不起作用，工作的部分是拍照并在imageview中显示，不工作是上传到mysql数据库。如果需要更多信息，请告诉我我将编辑答案。提前谢谢你。
代码
的活动：
public class takefoto extends BaseNavegationActivity {
Button takebt, sendbt;
String ba1;
String mCurrentPhotoPath;
ImageView mFoto;
int CodServico;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.takefoto);
takebt = (Button) findViewById(R.id.takebt);
mFoto = (ImageView) findViewById(R.id.fotoser);
takebt.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
captureImage();
}
});
sendbt = (Button) findViewById(R.id.sendbt);
sendbt.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
upload();
}
});
Bundle extras = getIntent().getExtras();
CodServico=extras.getInt("CodServico");
Log.i("CODSERVICO",CodServico+"");
}
private void upload() {
Bitmap bm = BitmapFactory.decodeFile(mCurrentPhotoPath);
ByteArrayOutputStream bao = new ByteArrayOutputStream();
bm.compress(Bitmap.CompressFormat.JPEG, 50, bao);
byte[] ba = bao.toByteArray();
ba1 = Base64.encodeToString(ba,Base64.DEFAULT);
// Upload image to server
ServerRequests serverRequests = new ServerRequests(takefoto.this);
serverRequests.storeFotoDataInBackground(ba1, CodServico, new GetUpdaterCallBack() {
@Override
public void done(String returnUser) {
if (returnUser.equalsIgnoreCase("sucesso")) {
Toast.makeText(getApplicationContext(),"Enviado!",Toast.LENGTH_SHORT).show();
} else{
showError();
}
}
});
}
private void captureImage() {
Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
// Ensure that there's a camera activity to handle the intent
if (takePictureIntent.resolveActivity(getPackageManager()) != null) {
// Create the File where the photo should go
File photoFile = null;
try {
photoFile = createImageFile();
} catch (IOException ex) {
// Error occurred while creating the File
ex.printStackTrace();
}
// Continue only if the File was successfully created
if (photoFile != null) {
takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT,
Uri.fromFile(photoFile));
startActivityForResult(takePictureIntent, 100);
}
}
}
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == 100 && resultCode == RESULT_OK) {
setPic();
}
}
private void setPic() {
// Get the dimensions of the View
int targetW = mFoto.getWidth();
int targetH = mFoto.getHeight();
// Get the dimensions of the bitmap
BitmapFactory.Options bmOptions = new BitmapFactory.Options();
bmOptions.inJustDecodeBounds = true;
BitmapFactory.decodeFile(mCurrentPhotoPath, bmOptions);
int photoW = bmOptions.outWidth;
int photoH = bmOptions.outHeight;
// Determine how much to scale down the image
int scaleFactor = Math.min(photoW / targetW, photoH / targetH);
// Decode the image file into a Bitmap sized to fill the View
bmOptions.inJustDecodeBounds = false;
bmOptions.inSampleSize = scaleFactor;
bmOptions.inPurgeable = true;
Bitmap bitmap = BitmapFactory.decodeFile(mCurrentPhotoPath, bmOptions);
mFoto.setImageBitmap(bitmap);
}
private File createImageFile() throws IOException {
// Create an image file name
String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
String imageFileName = "JPEG_" + timeStamp + "_";
File storageDir = Environment.getExternalStoragePublicDirectory(
Environment.DIRECTORY_PICTURES);
File image = File.createTempFile(
imageFileName, /* prefix */
".jpg", /* suffix */
storageDir /* directory */
);
// Save a file: path for use with ACTION_VIEW intents
mCurrentPhotoPath = image.getAbsolutePath();
Log.e("Getpath", "Cool" + mCurrentPhotoPath);
return image;
}
private void showError(){
android.app.AlertDialog.Builder dialogBuilder=new android.app.AlertDialog.Builder(getBaseContext());
dialogBuilder.setMessage("Ocorreu um erro, por favor tente novamente mais tarde.");
dialogBuilder.setPositiveButton("Ok", null);
dialogBuilder.show();
}
}
ServerResquest方法：
public void storeFotoDataInBackground(String ba, int codservico,GetUpdaterCallBack userCallback){
progressDialog.show();
new StoreFotoDataAsyncTasck(ba, codservico, userCallback).execute();
}
public class StoreFotoDataAsyncTasck extends AsyncTask<Void, Void, String> {
String ba;
int CodServico;
GetUpdaterCallBack registerCallback;
public StoreFotoDataAsyncTasck(String ba1, int codservico,GetUpdaterCallBack registerCallback) {
this.ba = ba1;
this.CodServico=codservico;
this.registerCallback = registerCallback;
}
@Override
protected String doInBackground(Void... params) {
String retorno = null;
try {
URL url = new URL(SERVER_ADDRESS + "myphpfile.php");
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
Uri.Builder builder = new Uri.Builder()
.appendQueryParameter("CodServico", this.CodServico+"")
.appendQueryParameter("Imagem", this.ba);
Log.i("IMAGEM",this.ba+" CodServico"+this.CodServico);
final String postParameters = builder.build().getEncodedQuery();
conn.setConnectTimeout(3000);
conn.setReadTimeout(3000);
conn.setRequestMethod("POST");
conn.setFixedLengthStreamingMode(postParameters.getBytes().length);
conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
conn.setDoInput(true);
conn.setDoOutput(true);
//send the POST out
PrintWriter pw = new PrintWriter(conn.getOutputStream());
pw.print(postParameters);
pw.close();
conn.connect();
String result = convertStreamToString(conn.getInputStream());
JSONObject jObject = new JSONObject(result);
if(jObject.length()!=0){
retorno= jObject.getString("estado");
}
} catch (Exception e) {
e.printStackTrace();
}
return retorno;
}
}
我的PHP代码：
<?php
$codservic=$_POST['CodServico'];
$image = $_POST['Imagem'];
$con = mysqli_connect("xxxxxxxxx","xxxxxxxx","xxxxxxxxx","xxxxxxxxxx") or die('Unable To connect');
$sql = "insert into xxxxxxxx (xxxxxxxx,xxxxxxxx) values(?,?)";
$stmt = mysqli_prepare($con,$sql);
mysqli_stmt_bind_param($stmt,"is",$codservic,$image);
$sucesso=mysqli_stmt_execute($stmt);
if($sucesso){
$estado = array();
$estado[estado] = "sucesso";
echo json_encode($estado);
}
?>
答案 0 :(得分：0)
经过大量的搜索后，我得到了最终为那些需要它的人工作，我将发布我的代码。
主要活动：
public class takefoto extends BaseNavegationActivity {
Button takebt, sendbt;
String ba1;
String mCurrentPhotoPath;
ImageView mFoto;
int CodServico;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.takefoto);
takebt = (Button) findViewById(R.id.takebt);
mFoto = (ImageView) findViewById(R.id.fotoser);
takebt.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
captureImage();
}
});
sendbt = (Button) findViewById(R.id.sendbt);
sendbt.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
upload();
}
});
Bundle extras = getIntent().getExtras();
CodServico=extras.getInt("CodServico");
Log.i("CODSERVICO",CodServico+"");
}
private void upload() {
Bitmap bm = BitmapFactory.decodeFile(mCurrentPhotoPath);
ByteArrayOutputStream bao = new ByteArrayOutputStream();
bm.compress(Bitmap.CompressFormat.JPEG, 50, bao);
byte[] ba = bao.toByteArray();
Log.i("IMAGEM NAO CONVERTIDA",ba+"");
ba1 = Base64.encodeToString(ba,Base64.DEFAULT);
// Get image and
// Upload image to server
ServerRequests serverRequests = new ServerRequests(takefoto.this);
serverRequests.storeFotoDataInBackground(ba1, CodServico, new GetUpdaterCallBack() {
@Override
public void done(String returnUser) {
if (returnUser.equalsIgnoreCase("sucesso")) {
Toast.makeText(getApplicationContext(),"Enviado!",Toast.LENGTH_SHORT).show();
} else{
showError();
}
}
});
}
private void captureImage() {
Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
// Ensure that there's a camera activity to handle the intent
if (takePictureIntent.resolveActivity(getPackageManager()) != null) {
// Create the File where the photo should go
File photoFile = null;
try {
photoFile = createImageFile();
} catch (IOException ex) {
// Error occurred while creating the File
ex.printStackTrace();
}
// Continue only if the File was successfully created
if (photoFile != null) {
takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT,
Uri.fromFile(photoFile));
startActivityForResult(takePictureIntent, 100);
}
}
}
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == 100 && resultCode == RESULT_OK) {
setPic();
}
}
private void setPic() {
// Get the dimensions of the View
int targetW = mFoto.getWidth();
int targetH = mFoto.getHeight();
// Get the dimensions of the bitmap
BitmapFactory.Options bmOptions = new BitmapFactory.Options();
bmOptions.inJustDecodeBounds = true;
BitmapFactory.decodeFile(mCurrentPhotoPath, bmOptions);
int photoW = bmOptions.outWidth;
int photoH = bmOptions.outHeight;
// Determine how much to scale down the image
int scaleFactor = Math.min(photoW / targetW, photoH / targetH);
// Decode the image file into a Bitmap sized to fill the View
bmOptions.inJustDecodeBounds = false;
bmOptions.inSampleSize = scaleFactor;
bmOptions.inPurgeable = true;
Bitmap bitmap = BitmapFactory.decodeFile(mCurrentPhotoPath, bmOptions);
mFoto.setImageBitmap(bitmap);
}
private File createImageFile() throws IOException {
// Create an image file name
String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
String imageFileName = "JPEG_" + timeStamp + "_";
File storageDir = Environment.getExternalStoragePublicDirectory(
Environment.DIRECTORY_PICTURES);
File image = File.createTempFile(
imageFileName, /* prefix */
".jpg", /* suffix */
storageDir /* directory */
);
// Save a file: path for use with ACTION_VIEW intents
mCurrentPhotoPath = image.getAbsolutePath();
Log.e("Getpath", "Cool" + mCurrentPhotoPath);
return image;
}
private void showError(){
android.app.AlertDialog.Builder dialogBuilder=new android.app.AlertDialog.Builder(getBaseContext());
dialogBuilder.setMessage("Ocorreu um erro, por favor tente novamente mais tarde.");
dialogBuilder.setPositiveButton("Ok", null);
dialogBuilder.show();
}
}
服务器请求方法（带数据库的插入部分）：
@Override
protected String doInBackground(Void... params) {
String retorno = null;
try {
URL url = new URL(SERVER_ADDRESS + "yourphpfile.php");
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
Uri.Builder builder = new Uri.Builder()
.appendQueryParameter("Value1", this.CodServico+"")
.appendQueryParameter("Image", this.ba);
Log.i("IMAGEM",""+this.ba);
final String postParameters = builder.build().getEncodedQuery();
conn.setConnectTimeout(3000);
conn.setReadTimeout(3000);
conn.setRequestMethod("POST");
conn.setFixedLengthStreamingMode(postParameters.getBytes().length);
conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
conn.setDoInput(true);
conn.setDoOutput(true);
//send the POST out
PrintWriter pw = new PrintWriter(conn.getOutputStream());
pw.print(postParameters);
pw.close();
conn.connect();
String result = convertStreamToString(conn.getInputStream());
JSONObject jObject = new JSONObject(result);
if(jObject.length()!=0){
retorno= jObject.getString("status");// if was sucess or not
}
} catch (Exception e) {
e.printStackTrace();
}
return retorno;
}
我的PHP代码：
<?php
$codservic=$_POST['Value1'];
$image = $_POST['Image'];
header("Content-type: image/jpg");
$img = base64_decode($image);
$con = mysqli_connect("your connection string") or die('Unable To connect');
$sql = "insert into yourtable (yourcamp1,image) values(?,?)";
$stmt = mysqli_prepare($con,$sql);
mysqli_stmt_bind_param($stmt,"is",$codservic,$img);
$sucesso=mysqli_stmt_execute($stmt);
$estado = array();
if($sucesso){
$estado[status] = "sucess";
echo json_encode($estado);
} else {
$estado[status] = "error";
echo json_encode($estado);
}
?>