get、post同步异步请求---Log日志打印

package wanghuiqi.bawie.com.get_asyn;

import android.app.DownloadManager;
import android.os.Build;
import android.os.Bundle;
import android.support.annotation.RequiresApi;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.view.textclassifier.TextClassification;
import android.widget.Button;
import android.widget.Toast;

import java.io.IOException;

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

public class MainActivity extends AppCompatActivity {

private Button getAsyn;
private Button postAsyn;
private Button getAyn;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    //get异步请求
    getAsyn = findViewById(R.id.get_asyn);
    postAsyn = findViewById(R.id.post_asyn);
    getAyn = findViewById(R.id.get_syn);

get异步

//get异步
    getAsyn.setOnClickListener(new View.OnClickListener() {

    private Request request;

    @RequiresApi(api = Build.VERSION_CODES.P)
    @Override
    public void onClick(View v) {

        OkHttpClient client = new OkHttpClient();

        //创建一个request对象
        request = new Request.Builder()
                .url("http://120.27.23.105/product/getProducts?pscid=39&page=1")
                .build();

        client.newCall(request).enqueue(new Callback() {
            @Override
            public void onFailure(okhttp3.Call call, IOException e) {

            }

            @Override
            public void onResponse(okhttp3.Call call, final Response response) throws IOException {
                System.out.println("getEnqueue = "+response.body().string());
            }
        });
    }
});

post异步

//post异步请求
    postAsyn.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            OkHttpClient client = new OkHttpClient();
        //post方式 需要表单提交参数
        RequestBody requestBody = new FormBody.Builder()
                .add("pscid","39")
                .add("page","1")
                .build();

        Request request = new Request.Builder()
                .url("http://120.27.23.105/product/getProducts")
                .post(requestBody)
                .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 {
                //运行在子线程,,
                runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        Toast.makeText(MainActivity.this,"1111",Toast.LENGTH_SHORT).show();
                    }
                });

                System.out.println("postEnqueue = "+response.body().string());
            }
        });
    }
});

get同步

        getAyn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //同步方法.需要开启子线程里运行
                new Thread(new Runnable() {
                    @Override
                    public void run() {

                    try {
                        OkHttpClient client = new OkHttpClient();

                        Request request = new Request.Builder()
                                .url("http://120.27.23.105/product/getProducts?pscid=39&page=1")
                                .build();

                        Call call = client.newCall(request);

                        Response response = call.execute();

                        //拿出来的东西 是字符串
                        String result = response.body().string();

                        System.out.println("getExecute = "+result);

                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }).start();
        }
    });
}

}

依赖

implementation 'com.squareup.okhttp3:okhttp:3.11.0'