JSPʵÏÖ¼òÒ×µÄSQL±¨±í
ÊäÈë: select ID as ±àºÅ, NAME as ÐÕÃû, AGE as ÄêÁä from XXX
Êä³ö:
񅧏
ÐÕÃû
ÄêÁä
ÒªÇóÊÇÈç¹ûSQL±ä¶¯, ÈÔȻҪÏÔʾ³öÀ´ËùÓеıðÃû×Ö¶ÎÐÅÏ¢ºÍÊý¾Ý.
ÒòΪÏÖÔÚHibernateÓõıȽϹ㷺, ËùÒÔÓÅÏÈ¿¼ÂÇÓÃHibernateÀ´ÊµÏÖ, ½á¹û·¢ÏÖÈç¹ûÊÇʵÌåÓ³Éä²éѯÓï¾ä, ¿ÉÒÔ·½±ãµÄÓÃ:List<String> Query.getReturnAliases() »ñµÃ±ðÃû, È»¶øÎÒÃÇÖªµÀ²éѯʱÓÐʱºòÓï¾äÊǺܸ´ÔÓµÄ, ²»È«ÊÇHQL, ÕâʱºòÓÃSQLQueryµÄʱºò, ¾ªÑȵÄÌáʾÕâ¸ö·½·¨ÉÐδʵÏÖ(×îаæµÄHibernate 3.3 ÊÇ·ñʵÏÖÉÐδ²âÊÔ), Óõİ汾ÊÇHibernate 3.2, ¶ÔÓ¦µÄ´úÂëÊÇ:
DAO
/**
* ¸ù¾Ý²éѯÓï¾ä·µ»Ø½á¹û, ²¢°üº¬½á¹ûµÄÁÐÃû
* @param hql
* @param args
* @return
*/
public List queryAllForReport( final String hql, final Object... args) {
List list = getHibernateTemplate().executeFind(new HibernateCallback() {
public Object doInHibernate(Session session)
throws HibernateException, SQLException {
Query query = session.createQuery(hql);
for(int i =0; i < args.length; i++) {
query.setParameter(i, args[i]);
}
List list = query.list();
list.add(0, query.getReturnAliases());
return list;
}
});
// Hibernate×öcount¼ÆËã·µ»ØÒ»°ã¶¼ÊǶÔÏó
return list;
}
²âÊÔ´úÂë:
List<Object[]> list = dao.queryAllForReport("select id as ±àºÅ, name as µÇ¼Ãû, address as µØÖ·, realName from User");
System.out.println(list.size());
for(Object[] row : list) {
for(Object v : row) {
System.out.print(v + "\t");
}
System.out.println();
}
×îºó²»µÃ²»»Øµ½JDBC, Óà ResultSetºÍResultSetMetaDataʵÏÖÁËÕâ¸ö¹¦ÄÜ, Ïêϸ´úÂë(×Ô¼º½øÐÐÐ޸ļ´¿ÉʵÏÖ)ÈçÏÂ:
<%@ page language="java" import="java.util.*, java.sql.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>SQL±¨±í&l
Ïà¹ØÎĵµ£º
<%@ page contentType="image/jpeg" import="java.awt.*,java.awt.image.*,java.util.*,javax.imageio.*" %>
<%!
Color getRandColor(int fc,int bc){//¸ø¶¨·¶Î§»ñµÃËæ»úÑÕÉ«
Random random = new Random();
if(fc>255) fc=255;
if(bc>255) bc=255;
int r=fc+random.nextInt(bc-fc);
int g=fc+ran ......
¹ØÓÚÕâ¸öÎÊÌâ, ±È½Ï¸´ÔÓµÄ˵. ²»¹ýÎÒÏ£Íûͨ¹ýÀý×ÓÀ´½âÊͻ᷽±ãÀí½âһЩ.
¼ÙÉèÓÐÒ»¸ö·Ç³£Î£ÏÕµÄÈÎÎñ, ÊǾÅËÀÒ»Éú. ÐèÒªÄã´§×ÅÕ¨Ò©°ü´Ó±±Æ½¿ª³µ×߸ßËÙ·¹ý±£¶¨È¥Ê¯¼Òׯ°Ñ¹í×ӵĵﱤ¸øÕ¨ÁË. ×¢Òâ: Õâ¸öÈÎÎñÊ®·Ö¼è¾Þ, ÓпÉÄܰë·ըҩ±¬Õ¨. ËùÒÔ³ö·¢Ç°ÄãÐèÒª¿àÁ·10ÔªÒ»±¾µÄ<<Ìú²¼ÉÀ>>, » ......
create database test --½¨Á¢testÊý¾Ý¿â
use test
create table BONUS --½¨Á¢
(
ENAME NVARCHAR(10),
JOB NVARCHAR(9),
SAL FLOAT,
COMM FLOAT
)
create table DEPT --½¨Á¢²¿Ãűí
(
DEPTNO SMALLINT not null, --²¿ÃűàºÅ
DNAME NVARCHAR(14), --²¿ÃÅÃû
LOC NVARC ......
SQLPlus :http://www.orafaq.com/wiki/SQL*Plus_FAQ
http://download.oracle.com/docs/cd/B19306_01/appdev.102/b14261/sqloperations.htm
1. Transfer values from a sql scripts:
CNT=`sqlplus -s username/password1@dbname @getUVQuery_NULLCNT`;
Note : Remeber to use o ......
Ô¶³ÌÁ¬½Ósql server 2000·þÎñÆ÷µÄ½â¾ö·½°¸
----ת×Ô£º·ÉºüСÎÝ
ÓÉÓ ......