一个hibernate登录注册工程
项目名称：loginandregister.
其目录：
loginandregister
|----src
| -----hibernate.yan
| -----LoginServlet.java
|-----RegisterServlet.java
| ---- User.java
| -----WriterDB.java
| -----user.hbm.xml
| -----hibernate.cfg.xml
|----jre sytem library
|---J2EE 1.4 Library
|---Referenced Library
|---WebRoot
|----Weta-inf
|----WEB-INF
|----lib
|-----web.xml
|-----login.jsp
|-----register.jsp
新建web project，命名为loginandregister,右击工程名，Myeclispe—>Add hibernate capabilities
将hibernate的jar包加入，当然也可以通过项目属性—>构建路径，加入。
web.xml内容为：
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4"
xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<welcome-file-list>
<welcome-file>login.jsp</welcome-file>
</welcome-file-list>
<servlet>
<servlet-name>RegisterServlet</servlet-name>
<servlet-class>hibernate.yan.RegisterServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>RegisterServlet</servlet-name>
<url-pattern>/RegisterServlet</url-pattern>
</servlet-mapping>
<servlet>
<servlet-name>LoginServlet</servlet-name>
<servlet-class>hibernate.yan.LoginServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>LoginServlet</servlet-name>
<url-pattern>/LoginServlet</url-pattern>
</servlet-mapping>
</web-app>
user.hbm.xml内容为：
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<class name="hibernate.yan.User" table="user">
<id name="id">
<generator />
</id>
<property name="name" type="string" >
<column name="name"></column>
</property>
<property name="password" type="string" >
<column name="password"></column>
</property>
<property name="phonetype" type="int" >
<column name="phonetype"></column>
</property>
</class>
</hibernate-mapping>
hibernate.cfg.xml为：
<?xml version='1.0' encoding='gbk'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<!-- Generated by MyEclipse Hibernate Tools.-->
<hibernate-configuration>
<session-factory>
<!--统一设置成UTF-8编码-->
<property name="dialect">org.hibernate.dialect.MySQLDialect</property>
<property name="connection.url">jdbc:mysql://localhost/lrdatabase?useUnicode=true&characterEncoding=UTF-8</property>
<property name="connection.username">root</property>
<property name="connection.password">123456</property>
<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
<!--一些可选性能参数设置-->
<!-- Enable Hibernate's automatic session context management-->
<property name="current_session_context_class">
thread</property>
<!-- Disable the second-level cache -->
<property name="cache.provider_class">
org.hibernate.cache.NoCacheProvider</property>
<!-- Echo all executed SQL to stdout -->
<property name="show_sql">true</property>
<mapping resource="hibernate/yan/user.hbm.xml" />
</session-factory>
</hibernate-configuration>
login.jsp:
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<%request.setCharacterEncoding("GBK"); %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>登录页面</title>
</head>
<body>
<form action="<%=request.getContextPath() %>/LoginServlet">
<table align="center" border=0 width="400" height="100" cellspacing="0">
<tr align="center"><td>用户登录</td></tr>
<tr>
<td><font size="5">username:</font></td>
<td>
<input type="text" name="username"/>
</td>
</tr>
<tr>
<td><font size="5">password:</font></td>
<td>
<input type="password" name="password"/>
</td>
</tr>
<tr>
<td><input type="submit" name="login" value="login"/></td>
<td><a href="register.jsp" target="_blank">注 册</a>
</td>
</tr>
</table>
</form>
</body>
</html>
register.jsp:
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>注册页面</title>
</head>
<body>
<span >注册</span>
<form id="form1" name="form1" method="post" action="<%=request.getContextPath() %>/RegisterServlet">
<table align="center" width="571" height="165"border="0" cellspacing="0" >
<tr>
<td>请输入名称：</td>
<td>
<input name="name" type="text">
</td>
</tr>
<tr>
<td>请输入密码：</td>
<td>
<input name="password" type="text">
</td>
</tr>
<tr>
<td>请选择手机型号：</td>
<td>
<select name="phonetype" >
<option value="1">
phone1
</option>
<option value="2">
phone2
</option>
<option value="3">
phone3
</option>
</select>
</td>
</tr>
</table>
<div align="center">
<input name="submit" type="submit" value="submit" />
</div>
</form>
</body>
</html>
loginServlet.java:
public class LoginServlet extends HttpServlet {
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
// TODO Auto-generated method stub
doPost(req, resp);
}
protected void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
// TODO Auto-generated method stub
resp.setContentType("text/html;charset=utf-8");
String name=req.getParameter("username");
String ssname = new String(name.getBytes("iso-8859-1"),"utf-8");
System.out.println("ss=:" + ssname);
String password=req.getParameter("password");
Transaction tx=null;
Session session=null;
PrintWriter out=resp.getWriter();
String sql="from User where name='"+ssname+"' and password='"+password+"'";
if(true)
{
try{
Configuration conf=new Configuration().configure();
SessionFactory sf=conf.buildSessionFactory();
session=sf.openSession();
tx=session.beginTransaction();
System.out.println(sql);
Query query=session.createQuery(sql);
List list=(List) query.list();
tx.commit();
Iterator it=list.iterator();
if(it.hasNext())
{
User user=(User) it.next();
System.out.println(user.getName()+" "+user.getPassword()+" "+user.getPhonetype());
out.println("<html>");
out.println("<head><title>login</title></title>");
out.println("<body>");
out.println("successfully login: name:"+user.getName()+" password:"+user.getPassword()+" phonetype:"+user.getPhonetype());
out.println("</body></html>");
out.close();
}
else
{
out.println("<html>");
out.println("<head><title>login</title></title>");
out.println("<body>");
out.println("不存在此用户信息");
out.println("</body></html>");
out.close();
}
}catch(Exception e)
{
e.printStackTrace();
}
}
else
{
out.println("<html>");
out.println("<head><title>login</title></title>");
out.println("<body>");
out.println("请输入信息完整");
out.println("</body></html>");
out.close();
}
}
}
RegisterServlet.java
public class RegisterServlet extends HttpServlet {
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
// TODO Auto-generated method stub
doPost(req, resp);
}
protected void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
// TODO Auto-generated method stub
resp.setContentType("text/html;charset=utf-8");
String name=req.getParameter("name");
String password=req.getParameter("password");
String phonetype=req.getParameter("phonetype");
String ssname = new String(name.getBytes("iso-8859-1"),"utf-8");
System.out.println(ssname+" "+password);
//int numofphonetype=Integer.getInteger(phonetype).intValue();//这句话导致异常
int a=Integer.parseInt(phonetype);
PrintWriter out=resp.getWriter();
try{
if(ssname!=""&&password!=""&&phonetype!="")
{
WriteDB writer=new WriteDB();
writer.WriteLogToDB(ssname, password, a);
out.print("注册成功");
}
else
{
out.print("请填写完整!");
}
}catch(Exception e)
{
out.print("Error :"+e.getMessage());
}
}
public void destroy() {
// TODO Auto-generated method stub
super.destroy();
}
public void init() throws ServletException {
// TODO Auto-generated method stub
super.init();
}
}
WriterDB.java
public class WriteDB {
public static SessionFactory sf;
static {
try{
Configuration conf=new Configuration().configure();
sf=conf.buildSessionFactory();
System.out.println("sf=conf.buildSessionFactory()");
}catch(Exception e)
{
e.printStackTrace();
}
}
public void WriteLogToDB(String name,String password,int phonetype)
{
User user=new User();
user.setName(name);
user.setPassword(password);
user.setPhonetype(phonetype);
Session sessions=sf.openSession();
Transaction tran=null;
try{
tran=sessions.beginTransaction();
sessions.save(user);
tran.commit();//提交
// System.out.println("已正常提交数据："+con.getId()+" ,"+con.getLogcontent()+" ,"+con.getLogdate());
}catch(Exception e)
{
if(tran!=null)
{
tran.rollback();
}
}finally
{
sessions.close();
}
}
}
User.java
public class User {
private int id;
private String name;
private String password;
private int phonetype;
public User() {
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public int getPhonetype() {
return phonetype;
}
public void setPhonetype(int phonetype) {
this.phonetype = phonetype;
}
}
数据库脚本：
/*
MySQL Data Transfer
Source Host: localhost
Source Database: lrdatabase
Target Host: localhost
Target Database: lrdatabase
Date: 2010-4-1 14:51:51
*/
SET FOREIGN_KEY_CHECKS=0;
-- ----------------------------
-- Table structure for user
-- ----------------------------
CREATE TABLE `user` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`name` varchar(20) CHARACTER SET utf8 DEFAULT NULL,
`password` varchar(20) CHARACTER SET utf8 DEFAULT NULL,
`phonetype` tinyint(11) DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=11 DEFAULT CHARSET=utf-8;
