这篇文章给大家介绍如何在Android中利用OkHttp与php实现一个图片上传功能,内容非常详细,感兴趣的小伙伴们可以参考借鉴,希望对大家能有所帮助。
今天写项目的时候需要多图片上传,就用okhttp简单写一个例子。
public class MainActivity extends AppCompatActivity { private OkHttpClient client; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); client = new OkHttpClient(); postImage(); } private void postImage(){ //这里方便演示。读取drawable里的图片。 Bitmap bm = BitmapFactory.decodeResource(getResources(),R.drawable.demo); ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); bm.compress(Bitmap.CompressFormat.JPEG,100,byteArrayOutputStream); MultipartBody.Builder builder = new MultipartBody.Builder().setType(MultipartBody.FORM) .addFormDataPart("img_1","1.jpg", RequestBody.create(MediaType.parse("image/jpeg"),byteArrayOutputStream.toByteArray())) .addFormDataPart("img_2","2.jpg", RequestBody.create(MediaType.parse("image/jpeg"),byteArrayOutputStream.toByteArray())) ; //有多个图片就用for循环添加即可 MultipartBody build = builder.build(); okhttp3.Request bi = new okhttp3.Request.Builder() .url("后台地址") .post(build) .build(); client.newCall(bi).enqueue(new Callback() { @Override public void onFailure(Call call, IOException e) { Log.i("TAG", "onFailure: 失败"); } @Override public void onResponse(Call call, okhttp3.Response response) throws IOException { Log.i("TAG", "onResponse: " + response.body().string()); //提交成功处理结果.... } }); } }