The urlconnection of basic learning in JavaFX

A standard JavaFX file contains three parts: Main class, Control class, interface design (XML+CSS)

1,main.java

 PackageApplication; Importjavafx.application.Application;ImportJavafx.fxml.FXMLLoader;ImportJavafx.stage.Stage;Importjavafx.scene.Parent;ImportJavafx.scene.Scene; Public classMainextendsApplication {@Override Public voidStart (Stage primarystage) {Try{Parent root= Fxmlloader.load (GetClass (). GetResource ("Main.fxml")); Scene Scene=NewScene (root); Scene.getstylesheets (). Add (GetClass (). GetResource ("Application.css"). Toexternalform ());            Primarystage.setscene (Scene); Primarystage.settitle ("The key to the Kingdom");        Primarystage.show (); } Catch(Exception e) {e.printstacktrace (); }    }         Public Static voidMain (string[] args) {launch (args); }}

2,conntroller.java

 PackageApplication;ImportJava.io.BufferedInputStream;Importjava.io.IOException;ImportJava.io.InputStream;ImportJava.io.InputStreamReader;ImportJava.io.Reader;Importjava.net.MalformedURLException;ImportJava.net.URL;Importjava.net.URLConnection;ImportJava.util.ResourceBundle;Importjavafx.event.ActionEvent;ImportJavafx.fxml.FXML;Importjavafx.fxml.Initializable;ImportJavafx.scene.control.Button;ImportJavafx.scene.control.TextArea;ImportJavafx.scene.control.TextField; Public classControllerImplementsinitializable{@FXMLPrivateTextArea TextArea; @FXMLPrivateTextField TextField; @FXMLPrivatebutton button; @FXMLPrivate voidhandlebuttonaction (ActionEvent event) {Try{String Corpid= "TEST"; String Corpsecret= "TEST"; URL URL=NewURL ("https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=" +corpid+ "&corpsecret=" +Corpsecret); URLConnection UC=url.openconnection (); InputStream Raw=Uc.getinputstream (); InputStream Buffer=NewBufferedinputstream (RAW); Reader R=Newinputstreamreader (buffer); intC; StringBuffer Body=NewStringBuffer ();  while((c = R.read ())! = 1) {body.append (Char) c); } String Key= Body.substring (17, 81); String Xuehao=Textfield.gettext (); URL Url2=NewURL ("https://qyapi.weixin.qq.com/cgi-bin/user/get?access_token=" +key+ "&userid=" +Xuehao); URLConnection UC2=url2.openconnection (); InputStream in=Uc2.getinputstream (); Inch=NewBufferedinputstream (in); Reader R2=NewInputStreamReader (in); inti; StringBuffer Body2=NewStringBuffer ();  while((i = R2.read ())! = 1) {body2.append (Char) (i); } textarea.appendtext (Body2.tostring ()+ "\ n"); } Catch(Malformedurlexception ex) {}Catch(IOException ex) {}} @Override Public voidInitialize (URL arg0, ResourceBundle arg1) {//TODO auto-generated Method Stub            }        }

3,main.fxml

<?XML version= "1.0" encoding= "UTF-8"?><?Import java.lang.*?><?Import java.util.*?><?Import javafx.scene.*?><?Import javafx.scene.control.*?><?Import javafx.scene.layout.*?><AnchorpaneID= "Anchorpane"Prefheight= "420.0"Prefwidth= "378.0"xmlns= "HTTP://JAVAFX.COM/JAVAFX/8"Xmlns:fx= "HTTP://JAVAFX.COM/FXML/1"Fx:controller= "Application." Controller ">    <Children>        <ButtonFx:id= "button"LAYOUTX= "264.0"layouty= "20.0"onAction= "#handleButtonAction"text= "One-click Get" />      <TextFieldFx:id= "TextField"LAYOUTX= "97.0"layouty= "20.0"Prefheight= "23.0"Prefwidth= "157.0" />      <TextAreaFx:id= "textarea"LAYOUTX= "7.0"layouty= "51.0"Prefheight= "362.0"Prefwidth= "364.0"WrapText= "true" />      <LabelLAYOUTX= "23.0"layouty= "20.0"Prefheight= "23.0"Prefwidth= "91.0"text= "Please enter the study number:" />    </Children></Anchorpane>

4,application.css

The urlconnection of basic learning in JavaFX