JimmyÀÇ È¨ÆäÀÌÁö > Java > JSP °­ÁÂ3(¿ÜºÎ Ŭ·¡½º »ç¿ëÇÏ´Â ¹æ¹ý)

       

Á¦¸ñ : JSP °­ÁÂ3(¿ÜºÎ Ŭ·¡½º »ç¿ëÇÏ´Â ¹æ¹ý)
-------------------------------
//jsp3.java
package lesson;
public class jsp3{

    String name1, name2;

    public String getName1() {
        return name1;
    }

    public String getName2() {
        return name2;
    }

    public void setName1(String name1) {
      this.name1 =  name1;
    }
    public void setName2(String name2) {
      this.name2 =  name2;
    }
}


--------------------------------

<%-- jsp3.jsp --%>
<%-- ¼¼¹øÂ° ¿¹Á¦ÀÔ´Ï´Ù.
 1.  useBean
 2.  setProperty
 3.  getProperty
 4.  beanÀÇ method »ç¿ë¹æ¹ý
--%>
<jsp:useBean       id="j" scope="page" class="lesson.jsp3" />
<jsp:setProperty name="j" property = "name1" value="±èÁø¹Î1" />
<jsp:setProperty name="j" property = "name2" value="±èÁø¹Î2" />
<html>
<body>
À̸§1 =  <jsp:getProperty name="j" property = "name1" /> <br>
À̸§2 =  <jsp:getProperty name="j" property = "name2" /> <br>
µ¿ÀÏÇÑ °á°ú <br>
À̸§1 = <%= j.getName1() %> <br>
À̸§2 = <%= j.getName2() %> <br>
<%
 j.setName1("jimmy1");
 j.setName2("jimmy2");
%>
À̸§1 = <%= j.getName1() %> <br>
À̸§2 = <%= j.getName2() %> <br>
</body>
</html>

-----------------------------------------------------

°á°ú:
À̸§1 = ±èÁø¹Î1 
À̸§2 = ±èÁø¹Î2 
µ¿ÀÏÇÑ °á°ú 
À̸§1 = ±èÁø¹Î1 
À̸§2 = ±èÁø¹Î2 
À̸§1 = jimmy1 
À̸§2 = jimmy2 

-----------------------------------------------------
¼³¸í:
1.Àڹ٠Ŭ·¡½º¸¦ »ç¿ëÇÏ·Á¸é ¾Æ·¡¿Í °°ÀÌ ¼±¾ðÇÕ´Ï´Ù.
<jsp:useBean id="j" scope="page" class="lesson.jsp3" />
 id => setProperty,getProperty ¿¡¼­ ÂüÁ¶ÇÏ´Â À̸§ÀÔ´Ï´Ù.
 class => ÆÐŰÁöÀ̸§.Ŭ·¡½ºÀ̸§

2.Àڹ٠Ŭ·¡½ºÀÇ ³»ºÎº¯¼ö¿¡ °ªÀ» ³Ö´Â ¹æ¹ý.
 a.jsp code »ç¿ë.
 <jsp:setProperty name="j" property = "name1" value="±èÁø¹Î1" />
  name = "j" 
  => <jsp:useBean id= ... /> ÀÇ id
  property = "name1"
  => jsp3.javaÀÇ ³»ºÎº¯¼ö name1 À̸§.
  value = "±èÁø¹Î1"
  => name1 ¿¡ value1ÀÇ °ªÀÎ "±èÁø¹Î1"À» ÀÔ·ÂÇÑ´Ù.

 b.ÀÚ¹ÙŬ·¡½ºÀÇ methodÀ» Á÷Á¢ºÎ¸£´Â ¹æ¹ý.
  j.setName1("jimmy1");
  j => <jsp:useBean id= ... /> ÀÇ id°ª.
  
3.Àڹ٠Ŭ·¡½ºÀÇ ³»ºÎº¯¼ö°ªÀ» ¾ò´Â ¹æ¹ý.
 a.jsp code »ç¿ë.
 <jsp:getProperty name="j" property = "name1" />
 name => 
 <jsp:useBean id= ... /> ÀÇ id°ª.
 property = "name1"
 => jsp3.javaÀÇ ³»ºÎº¯¼ö name1 À̸§.
 
 b.ÀÚ¹ÙŬ·¡½ºÀÇ methodÀ» Á÷Á¢ºÎ¸£´Â ¹æ¹ý.
 j.getName1("jimmy1");
 j => <jsp:useBean id= ... /> ÀÇ id°ª.
 

 ´ÙÀ½ jsp°­Á´ Àá½Ã ½¬°í, 
 Servlet°­ÁÂ¿Í JDBC°­Á¸¦ ÇϰڽÀ´Ï´Ù.
 
 jspµµ servletÀ» ±âº»À¸·Î Çϱ⠶§¹®¿¡ servletÀ» ¾Æ´Â°Ô µµ¿òÀÌ µË´Ï´Ù.
 ¶ÇÇÑ ½ÇÁ¦ ¾÷¹«¿¡´Â DB¸¦ »ç¿ëÇϱ⠶§¹®¿¡ JDBC¸¦ ¾Æ´Â °ÍÀÌ µµ¿òÀÌ µÉ°Ì´Ï´Ù.
   
 -- ¾à°£ ¾î·Á¿ü³ª¿ä? ---


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