工具类——基于原生的okhttp的post请求

最新推荐文章于 2025-04-23 14:37:23 发布

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最新推荐文章于 2025-04-23 14:37:23 发布

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分类专栏： android工具类

本文链接：https://blog.youkuaiyun.com/starryyyz/article/details/60581424

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本文介绍了一个使用OkHttp实现的实用工具类，该工具类通过单例模式管理OkHttp客户端，并提供了一个异步POST请求的方法。文章详细展示了如何设置连接、读取和写入的超时时间，以及如何处理HTTP请求的回调。

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public class OkHttpUtils {
    private static final byte[] LOCKER = new byte[0];
    private static OkHttpUtils mInstance;
    private OkHttpClient mOkHttpClient;
    private Handler handler = new Handler(Looper.getMainLooper());

    private OkHttpUtils() {
        OkHttpClient.Builder ClientBuilder = new OkHttpClient.Builder();
        ClientBuilder.readTimeout(15, TimeUnit.SECONDS);//读取超时
        ClientBuilder.connectTimeout(20, TimeUnit.SECONDS);//连接超时
        ClientBuilder.writeTimeout(20, TimeUnit.SECONDS);//写入超时
        mOkHttpClient = ClientBuilder.build();
    }

    public static OkHttpUtils getInstance() {
        if (mInstance == null) {
            synchronized (LOCKER) {
                if (mInstance == null) {
                    mInstance = new OkHttpUtils();
                }
            }
        }
        return mInstance;
    }

    public void okhttpPost(String url, RequestBody requestBody, final MyHttpCallback callback) {
        if (requestBody == null) {
            requestBody = new FormBody.Builder().build();
        }
        final Request request = new Request.Builder()
                .url(url)
                .post(requestBody)
                .build();
        Call call = mOkHttpClient.newCall(request);
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                onError(callback, e.toString());
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                onSuccess(callback, response.body().string());
            }
        });
    }

    private void onSuccess(final MyHttpCallback callback, final String data) {
        if (null != callback) {
            handler.post(new Runnable() {
                public void run() {
                    // 需要在主线程的操作。
                    callback.onSuccess(data);
                }
            });
        }
    }

    private void onError(final MyHttpCallback callback, final String msg) {
        if (null != callback) {
            handler.post(new Runnable() {
                public void run() {
                    // 需要在主线程的操作。
                    callback.onError(msg);
                }
            });
        }
    }


    /**
     * http请求回调
     *
     * @author Flyjun
     */
    public interface MyHttpCallback {

        // 成功回调
        void onSuccess(String response);

        // 失败回调
        void onError(String msg);
    }
}