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JSP·ÖÒ³2

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ʹÓÃmysql5, ÓиöÊý¾Ý±íuser,×Ö¶ÎÓÐid, username, password¡£
ʹÓÃdisplaytagÐèµ¼Èëdisplaytag-1.1.jar£¬ºÍ
commons-logging
commons-lang
commons-collections
commons-beanutils
log4j
itext (optional, for pdf/rtf export)
È»ºóÔÚJSPÒ³ÃæÖзÅÈë<%@ taglib uri="http://displaytag.sf.net " prefix="display"%>
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<%@ page import="java.sql.*,java.util.*,test.User"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@ taglib uri="http://displaytag.sf.net" prefix="display"%>
<mce:style type="text/css" media="all"><!--
@import url("css/screen.css");
--></mce:style><style type="text/css" media="all" mce_bogus="1"> @import url("css/screen.css");</style>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>·ÖÒ³²âÊÔ2(ʹÓÃdiasplaytag×é¼þ)</title>
</head>
<%
String driver = "com.mysql.jdbc.Driver";
String username = "root";
String password = "leng";
String url = "jdbc:mysql://localhost/test";
Connection conn = null;
Statement stmt = null;
ResultSet rs = null;
Class.forName(driver);
conn = DriverManager.getConnection(url, username, password);
stmt = conn.createStatement();
String sql = "select * from user order by id asc";
rs = stmt.executeQuery(sql);

List list = new ArrayList();
while(rs.next()){
User user = new User(rs.getInt("id"), rs.getString("username"), rs.getString("password"));
list.add(user);
}

request.setAttribute("list",list);

rs.close();
stmt.close();
conn.close();


%>
<body>
<center>
<display:table name="list" pagesize="4"
class="ITS" >
<display:column property="username" title="Óû§Ãû" sortable="true"/>
<display:column property="


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¡¡¡¡2.ÅäÖÃjdk»·¾³±äÁ¿(°²×°Ä¿Â¼:D:\tools\java\jdk1.6.0_07):
¡¡¡¡1). JAVA_HOME = D:\tools\java\jdk1.6.0_07;
¡¡¡¡2). PathµÄ×îÇ°Ãæ×·¼Ó"D:\tools\java\jdk1.6.0_07\bin;D:\tools\java\jre1.6.0_07\bin";
¡¡¡¡3). CLASSPATH = D:\tools\java\jdk1.6.0_07\lib;D:\tools\java\jdk1.6.0_07\lib\too ......

Jsp±à³Ì

 JAVA×ÛºÏÃæÊÔÌâ£ºÒ³ÃæµÄץȡ¡¢½âÎö¡¢±£´æÊý¾Ý¿âºÍÉú³ÉHTMLµÄÒ³ÃæÕ¹Ê¾ ÊÕ²Ø
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http://topic.csdn.net/u/20090616/13/59aa4e2d-3752-45df-9c1b-c65c46c3e4d7.html
дһ¸öjspÒ³Ãæ£¬·ÃÎÊʱÏÔʾ´ÓÏÂÃæµÄÒ³ÃæÌ ......

JSP×Ô¶¨Òå±êÇ©(Tag)

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1.дһ¸öÀà¼Ì³ÐTagSupport»òÆäËûTagµÄʵÏÖÀà¡£
public class AllTag extends TagSupport {

@Override
public int doStartTag() throws JspException {
JspWriter out = pageContext.getOut();
try {
out.append("Hello World.");
} catch (IOException e) {
e.pri ......

JSPÖÐ×Ô¶¨Òå±êÇ©ÊôÐÔÅäÖÃ˵Ã÷


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rtexprvalueµÄÈ«³ÆÊÇ Run-time Expression Value£¬ ËüÓÃÓÚ±íʾÊÇ·ñ¿ÉÒÔʹÓÃJSP±í´ïʽ.
µ±ÔÚ<attribute>±êÇ©ÀïÖ¸¶¨<rtexprvalue>true</rtexprvalue>ʱ£¬ ±íʾ¸Ã×Ô¶¨Òå±êÇ©µÄijÊôÐÔµÄÖµ¿ÉÒÔÖ±½ÓÖ¸¶¨»òÕßͨ¹ý¶¯Ì¬¼ÆËãÖ¸¶¨, example as follow:
<sql:query var="result" & ......
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