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   MinjuneLÀÇ JSP °­ÀÇ 3 - JSPÀÇ µðÆúÆ® °´Ã¼

http://www.hackerschool.org/HS_Boards/zboard.php?id=Free_Lectures&no=7714 [º¹»ç]


Ãâó : webclass.tistory.com
ÀúÀÛ±Ç : MinjuneL

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ÆäÀÌÁö °´Ã¼´Â ÇÁ·Î±×·¥À¸·Î ÀÛ¼ºÇÑ jsp ¹®¼­¸¦ ¼­ºí¸´ (*.java) ¹®¼­·Î º¯È¯ ÇßÀ» ¶§, ÀÚ±â ÀÚ½ÅÀ» °¡¸£Å°´Â °´Ã¼ÀÌ´Ù.

´ÙÀ½Àº ÀÚµ¿À¸·Î »ý¼ºµÈ page °´Ã¼ÀÇ ¼±¾ð ºÎºÐÀÌ´Ù.
Object page = this;

ÀÌÀü¿¡ java ÇÁ·Î±×·¥ÀÇ ÃÖ»óÀ§ Ŭ·¡½º´Â Object Ŭ·¡½º¶ó°í ¼³¸íÀ» ÇÑ ÀûÀÌ ÀÖÀ» °ÍÀÌ´Ù.

µû¶ó¼­ page °´Ã¼´Â Object °´Ã¼·Î ij½ºÆÃÀÌ µÈ, ÀÛ¼ºÇÑ ¼­ºí¸´ °´Ã¼ÀÌ´Ù.

±×·¸±â ¶§¹®¿¡ ¹®¼­ÀÇ ¿ÜºÎ¿¡¼­(´Ù¸¥ ¹®¼­) page °´Ã¼¸¦ »ç¿ëÇÏ´Â ÀÏÀº °ÅÀÇ ¾ø°í, ³»ºÎÀûÀÎ ÀÛ¾÷À» À§Çؼ­ »ç¿ëµÇ´Â °´Ã¼ÀÌ´Ù.


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TestPage.jsp
<%@page contentType="text/html;charset=KSC5601"%>
<html>
<head><title>page ³»Àå °´Ã¼</title>
<%! int sum(int a, int b){
          return a+b;
} %>
</head>
<body>
<%
   int val1 = 2000;
   int val2 = 3000;
   out.println("Á÷Á¢ ¿¬»êÀ» ÅëÇÑ Ãâ·Â" + sum(val1,val2) +"<br>");
   out.println("this °´Ã¼¸¦ ÀÌ¿ëÇÑ Ãâ·Â" + this.sum(val1,val2) + "<br>");
   TestPage$jsp testPage = (TestPage$jsp)page;
   out.println("page °´Ã¼¸¦ ÀÌ¿ëÇÑ Ãâ·Â" + testPage.sum(val1,val2) +"<br>");
%>
</body>

À§ÀÇ <%! %>¿¡ ´ëÇؼ­ ¸ÕÀú ¼³¸íÀ» ÇØ¾ß ÇÒ °Í °°´Ù.
jsp ÇÁ·Î±×·¥Àº ¼­ºí¸´À¸·Î º¯ÇüµÇ¸é¼­ service() ¸Þ¼Òµå ¾È¿¡ ÇØ´ç jsp ÇÁ·Î±×·¥ÀÌ ÀÔ·ÂÀÌ µÈ´Ù.
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ÀÌ·¸°Ô µÇ¸é, À§ÀÇ ÄÚµùÀº ÀÌÇØÇϱ⠽¬¿ï°ÍÀÌ´Ù.
¾Æ¸¶, TestPage$~~ ¿©±â ºÎÅÍ Çؼ®ÀÌ ¸·Èú °ÍÀε¥,
ÀÌ TestPage$jsp ¶ó´Â º¯¼öÇüÀº ÇöÀç ÀÛ¼ºÁßÀÎ jspÀÇ ¼­ºí¸´ Ŭ·¡½º À̸§À̵ȴÙ.

ÀÌ·¸°Ô ÇØÁÖ´Â ÀÌÀ¯´Â page °´Ã¼ ÀÚü°¡ Object ÇüÀ̱⠶§¹®¿¡, sum ¸Þ¼Òµå¸¦ »ç¿ëÇÒ ¼ö ¾ø±â ¶§¹®ÀÌ´Ù. ±×·¡¼­ ÇØ´çÇÏ´Â °´Ã¼·Î ´Ù¿î ij½ºÆÃÀ» ÇØÁØ´Ù.

Àß ¸ð¸£°Ú´Â ºÐÀº c++¿¡¼­ ´ÙÀ̳ª¹Í ¹Ù¿îµùÀÇ »óÀ§ °´Ã¼·Î ÇÏÀ§ °´Ã¼ ¸Þ¼Òµå È£Ãâ¿¡ °ü·ÃÇؼ­ °Ë»öÇØ º¸¸é »ó¼¼È÷ ³ª¿Í ÀÖÀ»°ÍÀÌ´Ù.

±×³É »óÀ§ °´Ã¼ÇüÀ¸·Î ÇÏÀ§ °´Ã¼¸¦ °®°í ÀÖÀ»¶§, ÇÏÀ§ °´Ã¼ÀÇ ¸Þ¼Òµå´Â ºÒ·¯¼­ ¾µ ¼ö ¾ø´Ù´Â °ÍÀÌ´Ù.
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ÀÌ°ÍÀº c++ÀÇ ³»¿ëÀ̹ǷÎ, ÀÚ¼¼È÷ ¼³¸íÇÏÁö ¾Ê´Â´Ù.

¾Æ¹«Æ° ¿©±â±îÁö page °´Ã¼¿¡ ´ëÇÑ ¼³¸íÀÌ´Ù.

* ±Ùµ¥,,, ¿Ö ³ª´Â ÄÄÆÄÀÏÀÌ ¾ÈµÉ±î¿ä? °Ë»öÇصµ ¾ÈµÇ°í, ¤Ì¤Ì °Á page °°Àº°Å ¾²Áö ¸»°í, this ½á¹ö·Á¿ä Á¨Àå.

  Hit : 7480     Date : 2012/11/18 12:14



    
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