Android--OkHttp

概述下面的get和post都必须在子线程中执行get请求：privateOkHttpClientclient=newOkHttpClient(); Stringget(Stringurl)throwsIOException{Requestrequest=newRequest.Builder().url(url).build();Res

下面的get和post都必须在子线程中执行

get请求：

 private OkhttpClIEnt clIEnt = new OkhttpClIEnt();	 String get(String url) throws IOException {        Request request = new Request.Builder()                .url(url)                .build();        Response response = clIEnt.newCall(request).execute();            return response.body().string();    }@H_502_12@
post请求：
private OkhttpClIEnt clIEnt = new OkhttpClIEnt();public static final MediaType JsON            = MediaType.parse("application/Json; charset=utf-8");    String post(String url, String Json) throws IOException {        Requestbody body = Requestbody.create(JsON, Json);        Request request = new Request.Builder()                .url(url)                .post(body)                .build();        Response response = clIEnt.newCall(request).execute();        return response.body().string();        }@H_502_12@
post请求第二个参数是请求的上传的Json数据。如果没有要上传这赋值：“”
还有一种不用jar包的方式：
OkhttpUtils的使用：
在github搜索Okhttp，哪个点赞多点击哪个好吧。之后拉到下面找到下面这个：
将 implementation(“com.squareup.okhttp3:okhttp:4.4.0”)  复制进 build.gradle文件（dependencIEs 里面）。然后进行右上角的同步。即可是使用了。
直接上全部代码先理解着，以后再写详细点：
    private static final String PATH ="http://192.168.137.1:8080/cookie_war_exploded/ShopInfoServlet" ;     private static final String TAG="okhttp";     @OverrIDe    protected voID onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentVIEw(R.layout.activity_main);    }	//get，返回数据    public voID getRequest(VIEw vIEw){        OkhttpClIEnt okhttpClIEnt = new OkhttpClIEnt.Builder()                .connectTimeout(10000, TimeUnit.MILliSECONDS)                .build();        //创建连接请求内容        Request request=new Request.Builder()                .get()                .url(PATH)                .build();        //用ClIEnt去创建请求任务        Call task=okhttpClIEnt.newCall(request);        //异步任务        task.enqueue(new Callback() {            @OverrIDe            public voID onFailure(@NotNull Call call, @NotNull IOException e) {                Log.e(TAG," onFailure:"+e.toString());            }            @OverrIDe            public voID onResponse(@NotNull Call call, @NotNull Response response) throws IOException {                int code = response.code();                if(code== httpURLConnection.http_OK){                    Log.e(TAG,"code:"+code);                    ResponseBody body = response.body();                    Log.e(TAG,"onResponse   :"+body.string());                }            }        });    }	//post，返回数据     public voID postCommit(VIEw vIEw){         //先有CLIEnt         OkhttpClIEnt clIEnt=new OkhttpClIEnt.Builder()                 .connectTimeout(10000,TimeUnit.MILliSECONDS)                 .build();         //要提交的内容         String str="在吗";         str=new Gson().toJson(str);         MediaType mediaType=MediaType.parse("application/Json");         Requestbody body=Requestbody.create(str,mediaType);         final Request request=new Request.Builder()                 .post(body)                 .url(PATH)                 .build();         Call task=clIEnt.newCall(request);         task.enqueue(new Callback() {             @OverrIDe             public voID onFailure(@NotNull Call call, @NotNull IOException e) {                 Log.e(TAG,"onFailure"+e.toString());             }             @OverrIDe             public voID onResponse(@NotNull Call call, @NotNull Response response) throws IOException {                 int code = response.code();                 ResponseBody responseBody = response.body();                 Log.e(TAG,"onResponse"+code+"----"+responseBody.string());             }         });     }     //上传文件到服务器。由于我没做过服务器来接收文件。所以这里先写个代码记录下。等下次会了再回来写详细点     public voID postfile(VIEw vIEw){         OkhttpClIEnt clIEnt=new OkhttpClIEnt.Builder()                 .connectTimeout(10000,TimeUnit.MILliSECONDS)                 .build();         file file=new file("/data/data/com.example.mybitmap/files/qq.jpg");         MediaType fileType=MediaType.parse("image/png");         Requestbody fileBody=Requestbody.create(file,fileType);         final Requestbody requestbody = new Multipartbody.Builder()                 .addFormDataPart("file",file.getname(),fileBody)                 .build();         Request request=new Request.Builder()                 .post(requestbody)                 .url(PATH)                 .build();         Call task=clIEnt.newCall(request);         task.enqueue(new Callback() {             @OverrIDe             public voID onFailure(@NotNull Call call, @NotNull IOException e) {                 Log.e(TAG,"....");             }             @OverrIDe             public voID onResponse(@NotNull Call call, @NotNull Response response) throws IOException {                 Log.e(TAG,"....");                 if((response.code()==httpURLConnection.http_OK)){                     ResponseBody body=response.body();                     if(body!=null){                         String result=body.string();                         Log.e(TAG,"....");                     }                 }             }         });     }}@H_502_12@点赞收藏分享文章举报
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