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ÅäÖóÌÐòµÄÔËÐÐĿ¼ÓëJDBCÊý¾ÝÔ´:
<Context path="/test" docBase="F:\JSPLesson\test" reloadable="true">
    <Resource name="jdbc/bookstore" auth="Container" type="javax.sql.DataSource"
              maxActive="100" maxIdle="30" maxWait="10000"
              username="root" password="123456"
              driverClassName="com.mysql.jdbc.Driver"
              url="jdbc:mysql://localhost:3306/bookstore?autoReconnect=true"/>
</Context>
JSPÖÐͨ¹ýÈçÏ·½Ê½µÃµ½Êý¾Ý¿âÁ¬½Ó:
<%
Context ctx = new InitialContext();
DataSource ds = (DataSource)ctx.lookup("java:comp/env/jdbc/bookstore");
Connection conn = ds.getConnection();
%>


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¢Ù out - javax.servlet.jsp.jspWriter
   out¶ÔÏóÓÃÓڰѽá¹ûÊä³öµ½ÍøÒ³ÉÏ¡£
·½·¨£º
1. void clear() ;
   Çå³ýÊä³ö»º³åÇøµÄÄÚÈÝ£¬µ«ÊDz»Êä³öµ½¿Í»§¶Ë¡£
2. void clearBuffer() ;
   Çå³ýÊä³ö»º³åÇøµÄÄÚÈÝ£¬²¢Êä³öµ½¿Í»§¶Ë¡£
3. void close() ;
   ¹Ø±ÕÊä³öÁ÷£¬Çå³ýËùÓÐÄÚ ......

½â¾öjsp»òserverlet ²»ÄܽâÎömultipart/form

½â¾öjsp»òserverlet ²»ÄܽâÎömultipart/form-data ÀàÐÍµÄ±íµ¥ÓòµÄÎÊÌâ
10 6ÔÂ 2008
Situation:
Javax.servlet.HttpServletRequest.getParameter(String) returns null when the ContentType is multipart/form-data
Solutions:
Solution A:
1. download http://www.servlets.com/cos/index.html
2. invoke getPara ......

jspÁ¬½ÓÊý¾Ý¿â

 <meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<%@ page contentType="text/html; charset=gb2312" language="java"
import="java.sql.*"%>
<%  
    /*********************
  &nb ......

JSP(JSTL)ÖÐʹÓó£Á¿·ÀÖ¹Ó²±àÂë

this.state="01";ͨ³£µÄ×ö·¨ÊÇдһ¸öÀࣨ½Ó¿Ú£©À´´æ·Å³£Á¿
public interface MyConstant
{
public static final String STATE_01= "01";
}
È»ºóÔÚ³ÌÐòÖÐÕâÑùд¾Í¿ÉÒÔÁË
this.state=MyConstant.STATE_01;
ÔÚJava³ÌÐòÖÐÕâÑù¾Í¿ÉÒÔ±ÜÃâÓ²±àÂëÁË¡£¿ÉÊÇJSPÖÐÄØ£¿µ±È»£¬Èç¹ûJSPÖÐÔÊÐíʹÓÃScripletµÄ»°µ±È»Ò²¿ÉÒÔÖ±½ÓʹÓó ......
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