JavaFX基础学习之OkHttp/Gson

导入jar包，使用OkHttp/Okio/Gson请求解析

package application;

import java.io.IOException;
import java.net.URL;
import java.util.ResourceBundle;
import com.google.gson.Gson;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.Button;
import javafx.scene.control.TextArea;
import javafx.scene.control.TextField;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public class Controller implements Initializable{

    @FXML
    private Button button;
    @FXML
    private TextField textfield;
    @FXML
    private TextArea textarea;

    private static OkHttpClient client = new OkHttpClient();

    //发起请求，获取内容
    public static String getjson (String url) throws IOException {
          Request request = new Request.Builder()
              .url(url)
              .build();

          Response response = client.newCall(request).execute();
          return response.body().string();
        }

    //函数调用api,并利用gson解析json数据
    public static String getdata(String corpid,String corpsecret){

        String json = null;
        try{

            json = getjson("https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid="+corpid+"&corpsecret="+corpsecret);

        }catch (Exception e){

            e.printStackTrace();
        }

        Gson gson = new Gson();

        weixinapi wxapi = gson.fromJson(json, weixinapi.class);

        return wxapi.getAccess_token();

    }

    @FXML
    private void handleButtonAction(ActionEvent event) {

        String key=getdata("test","test");

        textarea.appendText(key);

    }

    @Override
    public void initialize(URL arg0, ResourceBundle arg1) {
        // TODO Auto-generated method stub

    }

}