okhttp示例代码

public class MainActivity extends AppCompatActivity { private static final String TAG = "MainActivity"; private OkHttpClient client; public static final String GET_URL = "http://bz.budejie.com/?typeid=2&ver=3.4.3&no_cry=1&client=android&c=wallPaper&a=wallPaperNew&index=1&size=60&bigid=0"; public static final String TYPE = "application/octet-stream"; public static final String POST_URL = "http://zhushou.72g.com/app/gift/gift_list/"; // 请求条件：platform=2&gifttype=2&compare=60841c5b7c69a1bbb3f06536ed685a48 public static final String POST_URL2 = "http://admin.wap.china.com/user/NavigateTypeAction.do?processID=getNavigateNews"; // 请求参数：page=1&code=news&pageSize=20&parentid=0&type=1 private TextView tvShow; private void assignViews() { tvShow = (TextView) findViewById(R.id.tv_show); } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); assignViews(); initOkHttp(); } private void initOkHttp() { client = new OkHttpClient.Builder() .connectTimeout(10, TimeUnit.SECONDS) .readTimeout(10, TimeUnit.SECONDS) .build(); } //此处为按钮点击事件：Get请求、Post请求、Post上传文件 public void okhttp(View view) { switch (view.getId()) { case R.id.btn_get: //Get请求 Request request = new Request.Builder() .get() .url(GET_URL) .build(); client.newCall(request).enqueue(new Callback() { @Override public void onFailure(Call call, IOException e) { } @Override public void onResponse(Call call, Response response) throws IOException { final String string = response.body().string(); // Log.i(TAG, "onResponse: "+string); runOnUiThread(new Runnable() { @Override public void run() { tvShow.setText(string); } }); } }); break; case R.id.btn_post: //Post请求 // 请求条件：platform=2&gifttype=2&compare=60841c5b7c69a1bbb3f06536ed685a48 // 请求参数：page=1&code=news&pageSize=20&parentid=0&type=1 RequestBody requestBodyPost = new FormBody.Builder() .add("page", "1") .add("code", "news") .add("pageSize", "20") .add("parentid", "0") .add("type", "1") .build(); Request requestPost = new Request.Builder() .url(POST_URL) .post(requestBodyPost) .build(); client.newCall(requestPost).enqueue(new Callback() { @Override public void onFailure(Call call, IOException e) { } @Override public void onResponse(Call call, Response response) throws IOException { final String string = response.body().string(); runOnUiThread(new Runnable() { @Override public void run() { tvShow.setText(string); } }); } }); break; case R.id.btn_post_file: //Post请求上传文件 File file = new File(Environment.getExternalStorageDirectory(), "dd.mp4"); if (!file.exists()) { Toast.makeText(MainActivity.this, "文件不存在", Toast.LENGTH_SHORT).show(); } else { RequestBody fileBody = RequestBody.create(MediaType.parse(TYPE), file); RequestBody requestBody = new MultipartBody.Builder().addFormDataPart("filename", file.getName(), fileBody).build(); Request requestPostFile = new Request.Builder() .url("http://10.11.64.50/upload/UploadServlet") .post(requestBody) .build(); client.newCall(requestPostFile).enqueue(new Callback() { @Override public void onFailure(Call call, IOException e) { } @Override public void onResponse(Call call, final Response response) throws IOException { runOnUiThread(new Runnable() { @Override public void run() { tvShow.setText(response.toString()); } }); } }); } break; } } }