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 ×îÐÂÎÄÕ : jsp

JSPÎÄÕÂÄÚÈÝ·ÖÒ³£¨JSP + JDBC£©

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CREATE TABLE `article` (                              
           `id` int(10) unsigned NOT NULL AUTO_INCREMENT,      
           `content` text,                                     
           PRIMARY KEY (`id`)                                  
         ) ......

JSPÖеļ¸ÖÖ°üº¬Ò³Ãæ·½·¨µÄÇø±ð

(1)include     ÔÚJSP±àÒë³ÉJavaÀàÎļþʱ£¬ÏȽ«includeÎļþÄÚÈݺϲ¢ºó£¬ÔÙ½øÐбàÒë
(2)jsp:include     ÔËÐÐʱºÏ²¢,»á½«ÔËÐÐʱµÄ½á¹û°üº¬½øÀ´
(3)c:import     ÔËÐÐʱºÏ²¢,»á½«ÔËÐÐʱµÄ½á¹û°üº¬½øÀ´
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£¨1£©ÀûÓÃinclude°üº¬µÄÒ³ÃæÖÐÈç¹û°üº¬Á˺ÍÔ­Ò³ÃæÏàͬµÄtaglib£¬ÔòÒ³Ãæ»á±¨´í£¨ÕâÊÇÒòΪÔÚ±àÒëʱºÏ²¢£©
£¨2£©µ«ÊÇÓÉÓÚjsp:include,c:importÊÇÔÚÔËÐÐʱ½«½á¹ûºÏ²¢£¬Òò´ËÀûÓÃÕâÁ½¸öÃüÁî°üº¬µÄÒ³ÃæÐèÒª°üº¬ÏàÓ¦µÄtaglib ......

´¿JSP·ÖÒ³´úÂëÖ®Mysql

//ÔËÐÐͼ:
//Á¬½Ó×Ö·û´®
String url="jdbc:mysql://localhost/"+dbName+"?user="+userName+"&password="+userPasswd;
Class.forName(driverName).newInstance();
Connection connection=DriverManager.getConnection(url);
Statement statement = connection.createStatement();
//ÿҳÏÔʾ¼Ç¼Êý
int PageSize = 8;
int StartRow = 0; //¿ªÊ¼ÏÔʾ¼Ç¼µÄ±àºÅ
int PageNo=0;//ÐèÒªÏÔʾµÄÒ³Êý
int CounterStart=0;//ÿҳҳÂëµÄ³õʼֵ
int CounterEnd=0;//ÏÔʾҳÂëµÄ×î´óÖµ
int RecordCount=0;//×ܼǼÊý;
int MaxPage=0;//×ÜÒ³Êý
int PrevStart=0;//ǰһҳ
int NextPage=0;//ÏÂÒ»Ò³
int LastRec=0;
int LastStartRecord=0;//×îºóÒ»Ò³¿ªÊ¼ÏÔʾ¼Ç¼µÄ±àºÅ
//»ñÈ¡ÐèÒªÏÔʾµÄÒ³Êý£¬ÓÉÓû§Ìá½»
if(request.getParameter("PageNo")==null){ //Èç¹ûΪ¿Õ£¬Ôò±íʾµÚ1Ò³
  if(StartRow == 0){
     PageNo = StartRow + 1; //É趨Ϊ1
  }
}else{
  PageNo = Integer.parseInt(request.getParameter("PageNo")); //»ñµÃÓû§Ìá½»µÄÒ³Êý
  StartRow = (PageNo - 1) * PageSize; //»ñµÃ¿ªÊ ......

´¿JSP·ÖÒ³´úÂëÖ®sqlserver2005/2008

ÉÏһƪ·ÖÒ³ÎÄÕ£¬ÊÇÓÃÓÚmysql£¬ÉÔ΢ÐÞ¸ÄÏ£¬ÓÃÓÚSqlserver2005/2008£¬Ã»ÓÐÒì³£´¦Àí¡£Ã»Óп¼ÂÇÐÔÄܵȡ£
ÏÖ½«´úÂëÌù³ö£¬ÒÔ¹©³õѧÕ߲ο¼£º
×¢£ºÑûÔÂʹÓû·¾³Eclipse 3.4.2+Tomcat 6.18+Sqlserver2005 sp3µ÷ÊԳɹ¦¡£
Ò³ÃæpagelistDemo.jspÄÚÈÝ£º
Code
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%
    //Á¬½Ó×Ö·û´®
    String url = "jdbc:sqlserver://" + Globals.Server
            + ";databaseName=" + Globals.DbName;
    Class.forName(Globals.driverName).newInstance();
    Connection connection = DriverManager.getConnection(url,
            Globals.username, Globals.pwd);
    Statement statement = connection.crea ......

´¿JSP·ÖÒ³´úÂëÖ®sqlserver2005/2008

ÉÏһƪ·ÖÒ³ÎÄÕ£¬ÊÇÓÃÓÚmysql£¬ÉÔ΢ÐÞ¸ÄÏ£¬ÓÃÓÚSqlserver2005/2008£¬Ã»ÓÐÒì³£´¦Àí¡£Ã»Óп¼ÂÇÐÔÄܵȡ£
ÏÖ½«´úÂëÌù³ö£¬ÒÔ¹©³õѧÕ߲ο¼£º
×¢£ºÑûÔÂʹÓû·¾³Eclipse 3.4.2+Tomcat 6.18+Sqlserver2005 sp3µ÷ÊԳɹ¦¡£
Ò³ÃæpagelistDemo.jspÄÚÈÝ£º
Code
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%
    //Á¬½Ó×Ö·û´®
    String url = "jdbc:sqlserver://" + Globals.Server
            + ";databaseName=" + Globals.DbName;
    Class.forName(Globals.driverName).newInstance();
    Connection connection = DriverManager.getConnection(url,
            Globals.username, Globals.pwd);
    Statement statement = connection.crea ......

jspÉú³ÉxmlÎļþʾÀý

<£¥@ page contentType="text/html; charset=gb2312" £¥>
<£¥@ page language="java"£¥>
<£¥@ page info="database handler"£¥>
<£¥@ page import="java.io.*"£¥>
<£¥@ page import="java.lang.*"£¥>
<£¥@ page import="java.util.*"£¥>
<£¥@ page import="java.sql.*"£¥>
<£¥@ page import="javax.servlet.*"£¥>
<£¥@ page import="javax.servlet.http.*"£¥>
<html>
<head>
<meta content="text/html; charset=gb2312" http-equiv="content-type">
</head>
<body>
<£¥
int i=0;
String temp=null;
String parCode = request.getParameter("code");
String strSql;
try{
Connection con;
Statement stmt;
ResultSet rs;
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
String url="jdbc:oracle:thin:@192.168.15.248:1521:ycdb";
con=DriverManager.getConnection(url,"webcfcquery","kill859");
//out.println("<center>jdbcÁ¬½ÓOracleÊý¾Ý¿â</center><br><br>");
stmt=con.createStatement();
strSql = "select account_ho ......

jspÉú³ÉxmlÎļþʾÀý

<£¥@ page contentType="text/html; charset=gb2312" £¥>
<£¥@ page language="java"£¥>
<£¥@ page info="database handler"£¥>
<£¥@ page import="java.io.*"£¥>
<£¥@ page import="java.lang.*"£¥>
<£¥@ page import="java.util.*"£¥>
<£¥@ page import="java.sql.*"£¥>
<£¥@ page import="javax.servlet.*"£¥>
<£¥@ page import="javax.servlet.http.*"£¥>
<html>
<head>
<meta content="text/html; charset=gb2312" http-equiv="content-type">
</head>
<body>
<£¥
int i=0;
String temp=null;
String parCode = request.getParameter("code");
String strSql;
try{
Connection con;
Statement stmt;
ResultSet rs;
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
String url="jdbc:oracle:thin:@192.168.15.248:1521:ycdb";
con=DriverManager.getConnection(url,"webcfcquery","kill859");
//out.println("<center>jdbcÁ¬½ÓOracleÊý¾Ý¿â</center><br><br>");
stmt=con.createStatement();
strSql = "select account_ho ......

JspµÄ¾ÅÖÖ¶ÔÏó

JspµÄ¾ÅÖÖ¶ÔÏóÎÒ¼òÊöÖ®£º
page
application
request
response
session
config
out
pageContext
 
page
<%@page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" %>
response
<%
  response.setHeader("Pragma","No-cache"); 
  response.setHeader("Cache-Control","no-cache"); 
  response.setDateHeader("Expires", 0); 
%>
<%response.sendRedirect("login.jsp");%>
session
<%session.invalidate();%>
request/session
<%
 String errmsg = request.getParameter("errmsg");
 request.getSession(true);
 String chk = "false";
 session.putValue("Enter",chk);
%>
out
<%
 if(errmsg != null && errmsg.equals("error1"))
  out.print("ÄãµÄÓû§ºÅ»¹Ã»ÓпªÍ¨!!");
 else if(errmsg != null && errmsg.equals("error2"))
  out.print("ÄúÊäÈë¹ÜÀíÔ±ÕʺŻòÕßÃÜÂë²»ÕýÈ·!!");
%>
ÏÂÃæÊÇrequest¶ÔÏóÔÚJava docÖеÄ˵Ã÷£ºÆäËûÀàËÆ
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