¼Ò¼³°°ÀºÀÚ¹Ù3ºÎ  13Àå AWT  13.9.4 Button  

 

13.9.4 Button

 

ButtonŬ·¡½º´Â ¸í·É ¹öưÀ» »ý¼ºÇϸç ÀÌ ¹öư¿¡ ´ëÇØ¼­ ¸¶¿ì½º Ŭ¸¯À̳ª Űº¸µå°¡ °ü·Ã µÈ À̺¥Æ®°¡ ¹ß»ýÇßÀ» ¶§ ÁöÁ¤µÈ µ¿ÀÛÀ» ¼öÇàÇÕ´Ï´Ù.

 

Button Ŭ·¡½ºÀÇ »ç¿ëÇü½ÄÀº ´ÙÀ½°ú °°½À´Ï´Ù.

 

n        public Button() : ·¹À̺íÀÌ ¾ø´Â ¹öư »ý¼º

n        public Button(String label) : ·¹À̺íÀÌ ÀÖ´Â ¹öư »ý¼º

 

´ÙÀ½ ¿¹Á¦´Â ¹öưÀ» »ý¼ºÇÏ¿© ¹öưÀ» Ŭ¸¯ÇÏ¿´À» ¶§ ÇÁ·¹ÀÓÀÇ Å¸ÀÌÆ²ÀÌ º¯ÇÏ´Â ÇÁ·Î±×·¥ÀÔ´Ï´Ù.

 

ButtonTest.java

import java.awt.*;

import java.awt.event.*;

public class ButtonExam extends Frame implements ActionListener{

       Button b1, b2;

       public ButtonExam() {

          setLayout(new FlowLayout());

         

          b1 = new Button("Ok");

          b2 = new Button("Cancle");

          add(b1);

          add(b2);

         

          b1.addActionListener(this);            

          b2.addActionListener(this);             

       }

       public void actionPerformed(ActionEvent e) {        

            if(e.getSource() == b1)                   

               setTitle("¾È³ç!! ¹æ°¡¹æ°¡");                             

            else if(e.getSource() == b2)                

               setTitle("");                                            

       }                 

 

       public static void main(String args[]) {

           ButtonExam b = new ButtonExam();  

          b.setSize(100, 80);          

                   b.setVisible(true);

     }

}

°á°úÈ­¸é  =>

 

ÀÌ ¿¹Á¦¿¡¼­´Â LabelÀÌ ÀÖ´Â ¹öưÀ» »ý¼ºÇÏ¿© ¡°OK¡±¶ó´Â ¹öưÀ» ´­·¶À» ¶§ ÇÁ·¹ÀÓŸÀÌÆ²¿¡ ¡°¾È³ç!! ¹æ°¡¹æ°¡¡±¶ó´Â ¹®ÀÚ¿­ÀÌ ¹ÝȯµÇ°í ¡°Cancel¡± ¹öưÀ» ´­·¶À» ¶§ ŸÀÌÆ²¹®ÀÚ¿­À» Áö¿ì´Â À̺¥Æ®°¡ ¹ß»ýÇϰí ÀÖ½À´Ï´Ù.

 

¡°OK¡±, ¡°Cancel¡±À̶ó´Â LabelÀÌ µé¾î°¡ ÀÖ´Â ¹öưÀ» »ý¼ºÇϰí ÀÖ½À´Ï´Ù.

 

n        b1 = new Button("Ok");

n        b2 = new Button("Cancel");

 

ÆÐ³Î¿¡ ¹öưÀ» Ãß°¡ ÇϱâÀ§ÇØ add()¸¦ ÀÌ¿ëÇϰí ÀÖ½À´Ï´Ù.

 

n        add(b1);

n        add(b2);

 

Button Ŭ·¡½º¿¡¼­ Á¦°øÇÏ´Â ÁÖ¿ä ¸Þ¼­µå´Â ´ÙÀ½°ú °°½À´Ï´Ù.

 

n        public String getLabel(): ¹öưÀÇ Á¦¸ñÀ» ¼³Á¤ÇÕ´Ï´Ù.

n        public void setLabel(String label): ¼³Á¤ÇÑ Á¦¸ñÀ» »ç¿ëÀÚ°¡ ÀÓÀÇ·Î º¯°æÇÕ´Ï´Ù.

 

¹öưÀº AWT ÄÄÆ÷³ÍÆ® Áß¿¡¼­µµ °¡Àå ¸¹ÀÌ È°¿ëµÇ´Â ¿ä¼ÒÀÔ´Ï´Ù. ¸¶¿ì½º Ŭ¸¯À̶ó´Â µ¿ÀÛÀ» ÅëÇØ »ç¿ëµÇ´Â ÀÌ ÄÄÆ÷³ÍÆ®´Â ÅØ½ºÆ® ·¹À̺íÀ» °¡Áö¸ç, »ç°¢ÇüÀ¸·Î ¸¸µé¾îÁý´Ï´Ù.



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