okhttp示例代码

来源：互联网发布：java入门到精通 pdf 编辑：程序博客网时间：2024/06/07 12:04
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;        }    }}
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