OkHttp(get,post)请求

最新推荐文章于 2024-10-12 09:42:14 发布

原创最新推荐文章于 2024-10-12 09:42:14 发布 · 255 阅读

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CC 4.0 BY-SA版权

本文介绍了一个基于OkHttp的实用工具类OkHttpUtils的封装方法，该工具类提供了get和post请求的功能，并通过Handler机制实现了UI线程更新，同时利用Interceptor进行参数统一处理。

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package com.lbp.gouwuche.utils;

import android.os.Handler;
import android.os.Message;

import com.lbp.gouwuche.model.OkHttpListener;

import java.io.IOException;
import java.util.Map;
import java.util.Set;

import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.FormBody;
import okhttp3.Interceptor;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;

/**
 * Created by Administrator on 2018/1/13 0013.
 */

public class OkHttpUtils {
    public static OkHttpUtils okHttpUtils=null;
    private MyHandler handler =new MyHandler();
    private OkHttpListener okListener;

    public static OkHttpUtils getInsten(){
        if (okHttpUtils==null){
            okHttpUtils = new OkHttpUtils();
        }
        return okHttpUtils;
    }
    public void okget(String url){
        OkHttpClient client = new OkHttpClient.Builder().addInterceptor(new MyInten()).build();
        Request build = new Request.Builder().url(url).build();
        Call call = client.newCall(build);
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                Message message = handler.obtainMessage();
                message.what=0;
                message.obj="错误";
                handler.sendMessage(message);
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                Message message = handler.obtainMessage();
                message.what=1;
                message.obj=response.body().string();
                handler.sendMessage(message);
            }
        });
    }

    public void okPost(String url, Map<String,String> map){
        OkHttpClient client = new OkHttpClient.Builder().addInterceptor(new MyInten()).build();
        FormBody.Builder builder = new FormBody.Builder();
        Set<String> set = map.keySet();
        for(String key:set){
            String va = map.get(key);
            builder.add(key,va+"");
        }
        FormBody build = builder.build();
        Request request = new Request.Builder().url(url).post(build).build();
        Call call = client.newCall(request);
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                Message message = handler.obtainMessage();
                message.what=0;
                message.obj="错误";
                handler.sendMessage(message);
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                Message message = handler.obtainMessage();
                message.what=1;
                message.obj=response.body().string();
                handler.sendMessage(message);
            }
        });
    }

    class MyInten implements Interceptor{

        @Override
        public Response intercept(Chain chain) throws IOException {
            Request request = chain.request();
            RequestBody body = request.body();
            if(body instanceof FormBody){
                FormBody.Builder builder = new FormBody.Builder();
                for (int i = 0; i <((FormBody)body).size() ; i++) {
                    String name = ((FormBody) body).name(i);
                    String value = ((FormBody) body).value(i);
                    builder.add(name,value);
                }
                builder.add("page","1");
                builder.add("source", "android");
                FormBody build = builder.build();
                Request request1 = request.newBuilder().post(build).build();
                Response proceed = chain.proceed(request1);
                return proceed;
            }
            return null;
        }
    }

    class MyHandler extends Handler{
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            switch (msg.what){
                case 0:
                    String error = (String) msg.obj;
                    okListener.okLoaderror(error);
                    break;
                case 1:
                    String json = (String) msg.obj;
                    okListener.okLoadsuccess(json);
                    break;
            }
        }
    }
    
    public void setOkListener(OkHttpListener okListener){
        this.okListener=okListener;
    }
}