OkHttp框架读书总结笔记

来源：互联网发布：鹰潭三缺一麻将软件编辑：程序博客网时间：2024/06/09 16:45

一、添加依赖

build.gradle

dependencies {compile 'com.squareup.okhttp3:okhttp:3.2.0'compile 'com.squareup.okio:okio:1.7.0'  }

权限:<uses-permission android:name="android.permission.INTERNET" />

HelloOkhttp

import java.io.IOException;import okhttp3.OkHttpClient;import okhttp3.Request;import okhttp3.Response;/** * Created by Administrator on 2017/11/27. */public class HelloOkhttp {    public static void main(String [] args) throws IOException {        OkHttpClient client = new OkHttpClient();        Request request = new Request.Builder().                url("http://www.baidu.com").build();        try {            Response response = client.newCall(request).execute();            if (response.isSuccessful()) {                System.out.println(response.body().string());            }        } catch (IOException e) {            e.printStackTrace();        }    }}

QueryHttp

import java.io.IOException;import okhttp3.HttpUrl;import okhttp3.OkHttpClient;import okhttp3.Request;import okhttp3.Response;/** * Created by Administrator on 2017/11/27. */public class QueryHttp {    public static void main(String args[]) {        OkHttpClient client = new OkHttpClient();        HttpUrl httpUrl = HttpUrl.parse("https://api.heweather.com/x3/weather").                newBuilder().                addQueryParameter("city", "beijing").                addQueryParameter("key", "d17ce22ec5404ed883e1cfcaca0ecaa7").                build();        String url = httpUrl.toString();        System.out.println(httpUrl.toString());        Request request = new Request.Builder().url(url).build();        try {            Response response = client.newCall(request).execute();            if (response.isSuccessful()) {                System.out.println(response.body().string());            }        } catch (IOException e) {            e.printStackTrace();        }    }}

HeadHttp

import java.io.IOException;import okhttp3.Headers;import okhttp3.OkHttpClient;import okhttp3.Request;import okhttp3.Response;/** * Created by Administrator on 2017/11/27. *//** * 请求头 */public class HeadHttp {    public static void HadeHttp(String url){        OkHttpClient client =new OkHttpClient();        Request request = new Request.Builder().url(url).                addHeader("User-Agent","from nate http").build();        try {            Response response = client.newCall(request).execute();            if(response.isSuccessful()){                Headers headers = response.headers();                for(int i=0;i<headers.size();i++){                    System.out.println(headers.name(i)+":"+headers.value(i));                }            }        } catch (IOException e) {            e.printStackTrace();        }    }    public static void main(String []args){        HadeHttp("http://www.baidu.com");    }}

同步和异步请求比较

import java.io.IOException;import okhttp3.Call;import okhttp3.Callback;import okhttp3.OkHttpClient;import okhttp3.Request;import okhttp3.Response;/** * Created by Administrator on 2017/11/27. *//**同步 * */public class AsyncHttp {    public static void SendHttp(String url){        OkHttpClient client = new OkHttpClient();        Request request = new Request.Builder().url(url).build();        try {            Response response = client.newCall(request).execute();            if (response.isSuccessful()){                System.out.println(response.body().string());            }        } catch (IOException e) {            e.printStackTrace();        }    }    /**     *异步     *     */    public static void SendAsyncHttp(String url){        System.out.println(Thread.currentThread().getId());        OkHttpClient client = new OkHttpClient();        Request request = new Request.Builder().url(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 {                    if (response.isSuccessful()){                        System.out.println(Thread.currentThread().getId());                    }                }            });    }    public static void main(String [] args){                SendAsyncHttp("http://www.baidu.com");//        SendHttp("http://www.baidu.com");    }}

阅读全文

0 0