什么是OkHttpClientUtil

什么是OkHttpClientUtil，针对这个问题，这篇文章详细介绍了相对应的分析和解答，希望可以帮助更多想解决这个问题的小伙伴找到更简单易行的方法。

OkHttp 工具类

/** * OkHttpClient工具 * * @author yuhao.wang3 */public abstract class OkHttpClientUtil {    private static final Logger logger = LoggerFactory.getLogger(OkHttpClientUtil.class);    private static OkHttpClient okHttpClient = new OkHttpClient.Builder()            .connectTimeout(10, TimeUnit.SECONDS)            .writeTimeout(10, TimeUnit.SECONDS)            .readTimeout(20, TimeUnit.SECONDS)            .sslSocketFactory(SSLSocketClient.getSSLSocketFactory(), SSLSocketClient.getTrustManager())            .hostnameVerifier(SSLSocketClient.getHostnameVerifier())            .build();    /**     * 发起 application/json 的 post 请求     *     * @param url           地址     * @param param         参数     * @param interfaceName 接口名称     * @return     * @throws Exception     */    public static  T postApplicationJson(String url, Object param, String interfaceName, Class clazz) {        // 生成requestBody        RequestBody requestBody = FormBody.create(MediaType.parse("application/json; charset=utf-8")                , JSON.toJSONString(param));        return post(url, interfaceName, requestBody, param, null, clazz);    }    /**     * 发起 application/json 的 post 请求     *     * @param url           地址     * @param param         参数     * @param interfaceName 接口名称     * @return     * @throws Exception     */    public static  T postApplicationJson(String url, Object param, Map header, String interfaceName, Class clazz) {        // 生成requestBody        RequestBody requestBody = FormBody.create(MediaType.parse("application/json; charset=utf-8")                , JSON.toJSONString(param));        return post(url, interfaceName, requestBody, param, header, clazz);    }    /**     * 发起 x-www-form-urlencoded 的 post 请求     *     * @param url           地址     * @param param         参数     * @param interfaceName 接口名称     * @return     * @throws Exception     */    public static  T postApplicationXWwwFormUrlencoded(String url, Object param, String interfaceName, Class clazz) {        Map paramMap = JSON.parseObject(JSON.toJSONString(param), new TypeReference>() {        });        // 生成requestBody        StringBuilder content = new StringBuilder(128);        for (Map.Entry entry : paramMap.entrySet()) {            content.append(entry.getKey()).append("=").append(entry.getValue()).append("&");        }        if (content.length() > 0) {            content.deleteCharAt(content.length() - 1);        }        RequestBody requestBody = FormBody.create(MediaType.parse("application/x-www-form-urlencoded"), content.toString());        return post(url, interfaceName, requestBody, param, null, clazz);    }    /**     * 发起post请求，不做任何签名     *     * @param url           发送请求的URL     * @param interfaceName 接口名称     * @param requestBody   请求体     * @param param         参数     */    public static  T post(String url, String interfaceName, RequestBody requestBody, Object param, Map headers, Class clazz) {        Request.Builder builder = new Request.Builder()                //请求的url                .url(url)                .post(requestBody);        if (MapUtils.isNotEmpty(headers)) {            for (String key : headers.keySet()) {                builder.addHeader(key, headers.get(key));            }        }        Request request = builder.build();        Response response = null;        String result = "";        String errorMsg = "";        try {            //创建/Call            response = okHttpClient.newCall(request).execute();            if (!response.isSuccessful()) {                logger.error("访问外部系统异常 {}: {}", url, response.toString());                errorMsg = String.format("访问外部系统异常:%s", response.toString());                throw new RemoteAccessException(errorMsg);            }            result = response.body().string();        } catch (RemoteAccessException e) {            logger.warn(e.getMessage(), e);            result = e.getMessage();            throw e;        } catch (Exception e) {            logger.warn(e.getMessage(), e);            if (Objects.isNull(response)) {                errorMsg = String.format("访问外部系统异常::%s", e.getMessage());                throw new RemoteAccessException(errorMsg, e);            }            errorMsg = String.format("访问外部系统异常:::%s", response.toString());            throw new RemoteAccessException(errorMsg, e);        } finally {            logger.info("请求 {}  {}，请求参数：{}, header:{}, 返回参数：{}", interfaceName, url, JSON.toJSONString(param),                    JSON.toJSONString(headers), StringUtils.isEmpty(result) ? errorMsg : result);        }        return JSON.parseObject(result, clazz);    }}

关于什么是OkHttpClientUtil问题的解答就分享到这里了，希望以上内容可以对大家有一定的帮助，如果你还有很多疑惑没有解开，可以关注行业资讯频道了解更多相关知识。