本文介绍如何使用MyEclipse集成开发环境结合Hibernate框架进行Java Web应用程序的开发，包括配置环境、创建实体类及实现数据库操作的具体步骤。
用MyEclipse来开发java网站还是很方便的 。
要实现一个应用hibernate来进行数据库操作的web程序，首先要在工程中添加hibernate的包，这个在MyEclipse中一个菜单命令就可以搞定了。
其次我们要建立相关数据库中某个表的hbm.xml，这个也是在MyEclipse中搞定。
再建立针对这个表的java类。
然后建立如下网页：
<%@ page language="java" pageEncoding="GB2312"%>
<%@page contentType="text/html;charset=gb2312" %>
<%@ page import="java.util.*" %>
<%@ page import="org.hibernate.cfg.Configuration" %>
<%@ page import="org.hibernate.SessionFactory" %>
<%@ page import="org.hibernate.Session" %>
<%@ page import="org.hibernate.Transaction" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'index.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
<%
SessionFactory sf = new Configuration().configure().buildSessionFactory();
Session sn = sf.openSession();
Transaction tx = sn.beginTransaction();
if(request.getParameter("txtDetail") == null){
out.println("Please input");
}else{
hibernate.Detail detail = new hibernate.Detail();
detail.setDate(new Date());
detail.setDetail(new String(request.getParameter("txtDetail").getBytes("8859_1"),"GB2312"));
detail.setSmallkind(new String(request.getParameter("smallkind").getBytes("8859_1"),"GB2312"));
try{
sn.save(detail);
tx.commit();
}catch(Exception e){
e.printStackTrace();
}
}
sn.close();
%>
<select name="combobox3">
<option>1</option>
</select>
<form method="get" action="index.jsp" name="Detail">
<input type="text" name="txtDetail"/>
<select name="smallkind">
<%
sn=sf.openSession();
String hql = "from SmallKind";
List list = sn.createQuery(hql).list();
Iterator it = list.iterator();
while(it.hasNext())
{
hibernate.SmallKind obj = (hibernate.SmallKind)it.next();
out.println("<option>"+obj.getNameSmallKind()+"</option>");
}
%>
</select>
<input type="Submit" name="detailSub" value="确定"/>
</form>
<table>
<%
hql = "from Detail";
list = sn.createQuery(hql).list();
it = list.iterator();
while(it.hasNext())
{
hibernate.Detail obj1 = (hibernate.Detail)it.next();
out.println("<tr><td>"+obj1.getDetail()+"</td><td>"+obj1.getSmallkind()+"</td><td>"+obj1.getDate()+"</td></tr>");
}
sn.close();
%>
</table>
</body>
</html>
请注意detail.setDetail(new String(request.getParameter("txtDetail").getBytes("8859_1"),"GB2312"));这段代码。它的作用是保证传出的数据能够保持为GB2312编码。
要实现一个应用hibernate来进行数据库操作的web程序，首先要在工程中添加hibernate的包，这个在MyEclipse中一个菜单命令就可以搞定了。
其次我们要建立相关数据库中某个表的hbm.xml，这个也是在MyEclipse中搞定。
再建立针对这个表的java类。
然后建立如下网页：
<%@ page language="java" pageEncoding="GB2312"%>
<%@page contentType="text/html;charset=gb2312" %><%@ page import="java.util.*" %><%@ page import="org.hibernate.cfg.Configuration" %><%@ page import="org.hibernate.SessionFactory" %><%@ page import="org.hibernate.Session" %><%@ page import="org.hibernate.Transaction" %><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <head> <base href="<%=basePath%>"> <title>My JSP 'index.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> </head> <body> <% SessionFactory sf = new Configuration().configure().buildSessionFactory(); Session sn = sf.openSession(); Transaction tx = sn.beginTransaction(); if(request.getParameter("txtDetail") == null){ out.println("Please input"); }else{ hibernate.Detail detail = new hibernate.Detail(); detail.setDate(new Date()); detail.setDetail(new String(request.getParameter("txtDetail").getBytes("8859_1"),"GB2312")); detail.setSmallkind(new String(request.getParameter("smallkind").getBytes("8859_1"),"GB2312")); try{ sn.save(detail); tx.commit(); }catch(Exception e){ e.printStackTrace(); } } sn.close(); %> <select name="combobox3"><option>1</option></select> <form method="get" action="index.jsp" name="Detail"> <input type="text" name="txtDetail"/> <select name="smallkind"> <% sn=sf.openSession(); String hql = "from SmallKind"; List list = sn.createQuery(hql).list(); Iterator it = list.iterator(); while(it.hasNext()) { hibernate.SmallKind obj = (hibernate.SmallKind)it.next(); out.println("<option>"+obj.getNameSmallKind()+"</option>"); } %> </select> <input type="Submit" name="detailSub" value="确定"/> </form> <table> <% hql = "from Detail"; list = sn.createQuery(hql).list(); it = list.iterator(); while(it.hasNext()) { hibernate.Detail obj1 = (hibernate.Detail)it.next(); out.println("<tr><td>"+obj1.getDetail()+"</td><td>"+obj1.getSmallkind()+"</td><td>"+obj1.getDate()+"</td></tr>"); } sn.close(); %> </table> </body></html>
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