Okhttp框架搭建及拦截器

最新推荐文章于 2025-01-22 19:05:55 发布

转载最新推荐文章于 2025-01-22 19:05:55 发布 · 437 阅读

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本文介绍了一个基于OkHttp实现的网络请求工具类，通过单例模式管理OkHttpClient实例，并使用了日志拦截器来记录HTTP请求和响应详情。文中详细展示了如何进行GET和POST请求，包括如何发送JSON数据及处理响应。

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本代码是由借鉴他人博客并加以改进所成

拦截器需要添加依赖：

compile 'com.squareup.okhttp3:logging-interceptor:3.9.0'

代码

public class OkhttpUtils {

    //声明客户端
    private OkHttpClient client;
    //防止多个线程同时访问所造成的安全隐患
    private volatile static OkhttpUtils utils;
    //定义提交类型Json
    private static final MediaType JSON = MediaType.parse("application/json;charset=utf-8");
    //定义提交类型String
    private static final MediaType STRING = MediaType.parse("text/x-markdown;charset=utf-8");
    //子线程
    private Handler handler;
    //构造方法
    private OkhttpUtils(){
        HttpLoggingInterceptor logging = new HttpLoggingInterceptor();
        logging.setLevel(HttpLoggingInterceptor.Level.BODY);
        client=new OkHttpClient.Builder()
        .addInterceptor(logging)
                .build();
        handler=new Handler(Looper.getMainLooper());
    }
    //单例模式
    public static OkhttpUtils getInstance(){
        if(utils==null){
            //线程同步锁
            synchronized (OkhttpUtils.class){
                if(utils==null){
                    utils=new OkhttpUtils();
                    utils=utils;
                }
            }
        }
        return utils;
    }

    //网络请求
    public void syncJsonStringByUrl(String url, final FuncJsonString callback){
        Request request=new Request.Builder().url(url).build();
        client.newCall(request).enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                Log.i("TAG", "解析失败");
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                if(response!=null&&response.isSuccessful()){
                    OnSuccessJsonString(response.body().string(),callback);
                }
            }
        });
    }

    //post提交表单数据
    public void sendDataForClicent(String url, Map<String,String> params, final Class clazz, final FuncJsonString callback){
        //表单对象，包含input开始的操作
        FormBody.Builder from=new FormBody.Builder();
        if(params != null && !params.isEmpty()){
            for (Map.Entry<String,String> entry:params.entrySet()){
                //装载表单值
                from.add(entry.getKey(),entry.getValue());
            }
        }
        RequestBody body=from.build();
        //post提交
        Request request=new Request.Builder().url(url).post(body).build();
        client.newCall(request).enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                Log.i("TAG", "解析失败");
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                if(response!=null&&response.isSuccessful()){
                    Gson gson=new Gson();
                    final BaseBean b= (BaseBean) gson.fromJson(response.body().string(),clazz);
                    OnSuccessJsonString(b.code,callback);
                }
            }
        });
    }

    //返回json字符串的接口
    public interface FuncJsonString{
        void onResponse(String result);
    }
    //请求的返回是json字符串
    private void OnSuccessJsonString(final String jsonValue, final FuncJsonString callback){
        handler.post(new Runnable() {
            @Override
            public void run() {
                if(callback!=null){
                    try {
                        callback.onResponse(jsonValue);
                    }catch (Exception e){

                    }
                }
            }
        });
    }
}