apache 从Android上传图像到服务器

我开发了一个应用程序从Android上传图像XAMPP服务器上的PHP文件.在Android的应用程序运行完美，图像显示为上传，没有出现错误，但当我进入服务器什么都没有.这里是我的Android代码和我的PHP代码：

安卓清单.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest         
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
package="com.example.androiddownloadmanagerdemo">

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.CAMERA"/>
<uses-feature android:name="android.hardware.camera"/>

<application
    android:allowBackup="true"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/app_name"
    android:roundIcon="@mipmap/ic_launcher_round"
    android:supportsRtl="true"
    android:theme="@style/AppTheme"
    android:requestLegacyExternalStorage="true"
    android:usesCleartextTraffic="true"
    tools:targetApi="m">
    <activity android:name=".AdvanceFileUpload"></activity>
    <activity android:name=".MainActivity">
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>
</application>

构建.gradle

apply plugin: 'com.android.application'

android {
compileSdkVersion 29
buildToolsVersion "29.0.2"
defaultConfig {
    applicationId "com.example.androiddownloadmanagerdemo"
    minSdkVersion 15
    targetSdkVersion 29
    versionCode 1
    versionName "1.0"
    testInstrumentationRunner       "androidx.test.runner.AndroidJUnitRunner"
}
    buildTypes {
    release {
        minifyEnabled false
        proguardFiles getDefaultProguardFile('proguard-   android-optimize.txt'), 'proguard-rules.pro'
    }
  }
 }

dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation 'androidx.appcompat:appcompat:1.1.0'
implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
implementation 'com.squareup.okhttp3:okhttp:3.8.0'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'androidx.test.ext:junit:1.1.1'
androidTestImplementation 'androidx.test.espresso:espresso- core:3.2.0'
}

主要活动.java

package com.example.androiddownloadmanagerdemo;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;

import android.Manifest;
import android.app.Activity;
import android.app.DownloadManager;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Build;
import android.os.Bundle;
import android.provider.MediaStore;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;
import java.io.File;
import java.io.IOException;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.MediaType;
import okhttp3.MultipartBody;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;

public class MainActivity extends AppCompatActivity {

private static final int PERMISSION_REQUEST_CODE = 1;
private static final int REQUEST_GALLERY = 200;

TextView file_name;
String file_path=null;
Button upload;
ProgressBar progressBar;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    Button upload_file=findViewById(R.id.upload_file);
    upload_file.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            //check permission greater than equal to marshmeellow we used run time permission
            if(Build.VERSION.SDK_INT>=23){
                if(checkPermission()){
                    filePicker();
                }
                else{
                    requestPermission();
                }
            }
            else{
                filePicker();
            }
        }
    });

    progressBar=findViewById(R.id.progress);
    upload=findViewById(R.id.upload);
    file_name=findViewById(R.id.filename);

    upload.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if(file_path!=null){
                UploadFile();
            }
            else{
                Toast.makeText(MainActivity.this, "Please Select File First", Toast.LENGTH_SHORT).show();
            }
        }
    });

    Button advacneUpload=findViewById(R.id.advanceupload);
    advacneUpload.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            startActivity(new Intent(MainActivity.this,AdvanceFileUpload.class));
        }
    });


}

private void UploadFile() {
    UploadTask uploadTask=new UploadTask();
    uploadTask.execute(new String[]{file_path});
}

private void filePicker(){

    //.Now Permission Working
    Toast.makeText(MainActivity.this, "File Picker Call", Toast.LENGTH_SHORT).show();
    //Let's Pick File
    Intent opengallery=new Intent(Intent.ACTION_PICK);
    opengallery.setType("image/*");
    startActivityForResult(opengallery,REQUEST_GALLERY);
}


private void requestPermission(){
    if(ActivityCompat.shouldShowRequestPermissionRationale(MainActivity.this, Manifest.permission.WRITE_EXTERNAL_STORAGE)){
        Toast.makeText(MainActivity.this, "Please Give Permission to Upload File", Toast.LENGTH_SHORT).show();
    }
    else{
        ActivityCompat.requestPermissions(MainActivity.this,new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},PERMISSION_REQUEST_CODE);
    }
}

private boolean checkPermission(){
    int result= ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.WRITE_EXTERNAL_STORAGE);
    if(result== PackageManager.PERMISSION_GRANTED){
        return true;
    }
    else{
        return false;
    }
}

@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
    super.onRequestPermissionsResult(requestCode, permissions, grantResults);
    switch (requestCode){
        case PERMISSION_REQUEST_CODE:
            if(grantResults.length>0 && grantResults[0]==PackageManager.PERMISSION_GRANTED){
                Toast.makeText(MainActivity.this, "Permission Successfull", Toast.LENGTH_SHORT).show();
            }
            else{
                Toast.makeText(MainActivity.this, "Permission Failed", Toast.LENGTH_SHORT).show();
            }
    }
}

@Override
protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    if(requestCode==REQUEST_GALLERY && resultCode== Activity.RESULT_OK){
        String filePath=getRealPathFromUri(data.getData(),MainActivity.this);
        Log.d("File Path : "," "+filePath);
        //now we will upload the file
        //lets import okhttp first
        this.file_path=filePath;

        File file=new File(filePath);
        file_name.setText(file.getName());

    }
}

public String getRealPathFromUri(Uri uri,Activity activity){
    String[] proj = { MediaStore.Images.Media.DATA };
    Cursor cursor=activity.getContentResolver().query(uri,proj,null,null,null);
    if(cursor==null){
        return uri.getPath();
    }
    else{
        cursor.moveToFirst();
        int id=cursor.getColumnIndex(MediaStore.Images.ImageColumns.DATA);
        return cursor.getString(id);
    }
}

public class UploadTask extends AsyncTask<String,String,String>{

    @Override
    protected void onPostExecute(String s) {
        super.onPostExecute(s);
        progressBar.setVisibility(View.GONE);
        if(s.equalsIgnoreCase("true")){
            Toast.makeText(MainActivity.this, "File uploaded", Toast.LENGTH_SHORT).show();
        }
        else{
            Toast.makeText(MainActivity.this, "Failed Upload", Toast.LENGTH_SHORT).show();
        }
    }

    @Override
    protected void onPreExecute() {
        super.onPreExecute();
        progressBar.setVisibility(View.VISIBLE);
    }

    @Override
    protected String doInBackground(String... strings) {
        if(uploadFile(strings[0])){
            return "true";
        }
        else{
            return "failed";
        }
    }

    private boolean uploadFile(String path){
        File file=new File(path);
        try{
            RequestBody requestBody=new MultipartBody.Builder().setType(MultipartBody.FORM)
                    .addFormDataPart("files",file.getName(),RequestBody.create(MediaType.parse("image/*"),file))
                    .addFormDataPart("some_key","some_value")
                    .addFormDataPart("submit","submit")
                    .build();

            Request request=new Request.Builder()
                    .url("https://"myIPv4adress"/projects/upload.php/")
                    .post(requestBody)
                    .build();

            OkHttpClient client = new OkHttpClient();
            client.newCall(request).enqueue(new Callback() {
                @Override
                public void onFailure(Call call, IOException e) {
                    e.printStackTrace();
                }

                @Override
                public void onResponse(Call call, Response response) throws IOException {

                }
            });
            return true;
        }
        catch (Exception e){
            e.printStackTrace();
            return false;
        }
    }
}

}

上传.php

<?php
$target="uploads/".basename($_FILES['files']['name']);
if(isset($_POST['submit'])){
  if(move_uploaded_file($_FILES['files']['tmp_name'],$target)){
  echo "uploaded";
}
else{
echo "failed";
}
}
?>

apache 从Android上传图像到服务器

2条答案

相关问题

热门标签

最新问答