android将图片上传到php服务器

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
>

<Button
android:id="@+id/test"
android:layout_width="368dp"
android:layout_height="wrap_content"
android:text="button1"
android:textAllCaps="false" />
<Button
android:id="@+id/test2"
android:layout_width="368dp"
android:layout_height="wrap_content"
android:text="button2"
android:textAllCaps="false"
/>

<ImageView
android:id="@+id/image"
android:layout_width="0dp"
android:layout_height="495dp"
/>
</LinearLayout>

package success.xiaoyu.okhttp3;

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.concurrent.TimeUnit;

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 Button button1,button2;
private ImageView imageView;
private Handler handler = new Handler(){
public void handleMessage(Message msg) {
Bitmap bitmap = (Bitmap)msg.obj;
imageView.setImageBitmap(bitmap);
//Toast.makeText(MainActivity.this, Environment.getExternalStorageDirectory()+"",Toast.LENGTH_LONG).show();
}
};
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.layout);
button1 = (Button)findViewById(R.id.test);
button2 = (Button)findViewById(R.id.test2);
imageView = (ImageView)findViewById(R.id.image);
button1.setOnClickListener(new View.OnClickListener() {//将服务器的图片读取到本地
public void onClick(View view) {
OkHttpClient okHttpClient = new OkHttpClient();
Request request = new Request.Builder()
.url("http://115.159.217.226/xy.png")
.build();
okHttpClient.newCall(request).enqueue(new Callback() {
public void onFailure(Call call, IOException e) {

}
public void onResponse(Call call, Response response) throws IOException {
InputStream inputStream = response.body().byteStream();
Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
Message msg = new Message();
msg.obj = bitmap;
handler.sendMessage(msg);
}
});
}
});
button2.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
uploadMultiFile();
}
});
}
private void uploadMultiFile() {//将图片发送到服务器
final String url = "http://115.159.217.226/upload.php";
File file = new File( Environment.getExternalStorageDirectory()+"/storage/emulated/0/", "xy.jpg");
RequestBody fileBody = RequestBody.create(MediaType.parse("application/octet-stream"), file);
File file2 = new File( Environment.getExternalStorageDirectory()+"/storage/emulated/0/", "yyw.jpg");
RequestBody fileBody2 = RequestBody.create(MediaType.parse("application/octet-stream"), file2);
RequestBody requestBody = new MultipartBody.Builder()
.setType(MultipartBody.FORM)
.addFormDataPart("image1", "xy.jpg", fileBody)
.addFormDataPart("image2", "yyw.jpg", fileBody2)
.build();
Request request = new Request.Builder()
.url(url)
.post(requestBody)
.build();

final okhttp3.OkHttpClient.Builder httpBuilder = new OkHttpClient.Builder();
OkHttpClient okHttpClient  = httpBuilder
//设置超时
.connectTimeout(10, TimeUnit.SECONDS)
.writeTimeout(15, TimeUnit.SECONDS)
.build();
okHttpClient.newCall(request).enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
Log.e("aa", "uploadMultiFile() e=" + e);
}

@Override
public void onResponse(Call call, Response response) throws IOException {
Log.i("bb", "uploadMultiFile() response=" + response.body().string());
}
});
}
}
服务器端代码:
    <?php
     header('Content-type: application/json;charset=utf-8');

if(empty($_FILES)) die('{"status":0,"msg":"错误提交"}');

$dirPath = './img/';//设置文件保存的目录

if(!is_dir($dirPath)){
    //目录不存在则创建目录
    @mkdir($dirPath);
}

$count = count($_FILES);//所有文件数

if($count<1) die('{"status":0,"msg":"错误提交"}');//没有提交的文件

$success = $failure = 0;

foreach($_FILES as $key => $value){
    //循环遍历数据
    $tmp = $value['name'];//获取上传文件名
    $tmpName = $value['tmp_name'];//临时文件路径
    //上传的文件会被保存到php临时目录，调用函数将文件复制到指定目录
    if(move_uploaded_file($tmpName,$dirPath.date('YmdHis').'_'.$tmp)){
        $success++;
    }else{
        $failure++;
    }
}

$arr['status']  = 1;
$arr['msg']     = '提交成功';
$arr['success'] = $success;
$arr['failure'] = $failure;

echo json_encode($arr);
    ?>