Character calculator JFrame form software edition JPanel JTextField JTextArea JButtton JLabel setContentPane,

Source: Internet
Author: User

Character calculator JFrame form software edition JPanel JTextField JTextArea JButtton JLabel setContentPane,

Import java. awt. borderLayout; import java. awt. color; import java. awt. gridLayout; import java. awt. event. actionEvent; import java. awt. event. actionListener; import java. util. random; import javax. swing. JButton; import javax. swing. JFrame; import javax. swing. JLabel; import javax. swing. JPanel; import javax. swing. JTextField; public class RP_Frame2 extends JFrame {private static final long serialVersionUID = 1L; publ Ic RP_Frame2 () {setBounds (200,200,500,300); // set the form size position setTitle ("character calculator"); // set the Form title JPanel pnBasic = new JPanel (); // generate a large canvas setContentPane (pnBasic); // place it in the form pnBasic. setLayout (new GridLayout (2, 1); // The canvas is arranged in a grid of two rows and one column. The interval between rows and columns is 5 pixels. JPanel pnGreen = new JPanel (); // regenerate a small green canvas JPanel pnYellow = new JPanel (); // regenerate a small yellow canvas pnYellow. setBackground (Color. YELLOW); // specifies the canvas color pnGreen. setBackground (Color. GREEN );// Canvas color pnBasic. add (pnYellow); pnBasic. add (pnGreen); // add a label to the green canvas below as the output JLabel result = new JLabel (); pnGreen. add (result); result. setText ("enter the name and click" test character "to view the character value! "); // Re-layout pnYellow on the yellow canvas above. setLayout (new BorderLayout (); JLabel label = new JLabel (); // generate a label. setText ("input name"); pnYellow. add (label, BorderLayout. WEST); // place it in the label on the left of the Yellow canvas. setBackground (Color. YELLOW); JTextField text = new JTextField (15); // generate a text box with a length of 15. setBackground (Color. YELLOW); pnYellow. add (text, BorderLayout. CENTER); JButton btn = new JButton (); // generate button btn. setBackground (Color. YELLOW); pnYellow. add (btn, BorderLayout. EAST); // place it in the btn on the right of the Yellow canvas. setText ("test character"); btn. addActionListener (new ActionListener () {@ Override public void actionreceivmed (ActionEvent e) {Random ran = new Random (); int index = ran. nextInt (101); if (index> = 90) {result. setText (text. getText () + "your character value is" + index + "grade:" + "");} else if (index> = 80) {result. setText (text. getText () + "your character value is" + index + "grade:" + "Daniel");} else if (index> = 60) {result. setText (text. getText () + "your character value is" + index + "grade:" + "");} else if (index> = 40) {result. setText (text. getText () + "your character value is" + index + "grade:" + "codeph");} else if (index> = 20) {result. setText (text. getText () + "your character value is" + index + "grade:" + "Code");} else {result. setText (text. getText () + "your character value is" + index + "grade:" + "") ;}}); setdefaclocloseoperation (JFrame. EXIT_ON_CLOSE); // sets the program to stop running setVisible (true) when the form is closed; // sets the form to be visible, otherwise nothing will be displayed} public static void main (String [] args) {new RP_Frame2 ();}}

 

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