Installation configuration hibernate + Tomcat

About server Tomcat and database mysql installation configuration See IPAP "In Windows 2000 Server installation Tomcat mysql" built on Tomcat MyService 0.Set% WebApp% = $ Tomcat_Home $ / WebApps / MyService1 in $ / WebApps / MyService1 Tomcat_Home $ / WebApps Create a Directory Structure MyService ----- Web-INF ----- LIB ---- Class ---- Net ----- sf --- --Hibernate ----- Examples ----- QuickStart2 Configure independent context maxwait 5000 maxactive 4 Password test <

/ value> URL jdbc: mysql: // localhost: 3306 / story driverclassname DRIVERCLASSNAME com.mysql.jdbc.driver maxidle 2 Username < / Name> Test 3 Decompress the downloaded compressed package hibernate-2.1.2.zip, will decompress the hibernate2.jar to% WebApp% / Web-INF / LIB 4 will decompress the CGLIB-Full-2.0.2.jar under the LIB directory. Commons-collections-2.1.1.jar Commons-logging-1.0.4.jar Dom4j-1.4.jar ehcache-0.9.jar jta.jar log4j-1.2.8.jar ig odmg-3.0.jar files are also copied to% webApp% / Web-INF / LIB

5 Write Hibernate profile hibernate.cfg.xml placed in% WebApp% / Web-INF / CLASSES

Java: comp / enV / jdbc / mysqltest false net.sf.hibernate. Diagect.MysqldiaAlaforct

* Connection.DataSource's name must be identical to the name of the DBCP specified by the server.xml in the [Config Tomcat DBCP for MySQL] configuration. 6 Write the first test code 6.1 Save the following code as Cat.java, and generate corresponding Cat.class, put% WebApp% / Web-INF / CLASSES, where you use Cat.class, but final Cat.class should be in% WebApp% / Web-INF / CLASSES / NET / SF / Hibernate / Examples / Net / SF / Hibernate / Examples / QuickStart directory Package Net.Sf.Hibernate.examples.quickStart; Public Class Cat {

Private string id; private city name; private char sex; private float weight;

Public cat () {}

Public string getId () {return id;}

Private void setid (string id) {this.id = id;}

Public string getname () {return name;}

Public void setname (String name) {this.name = name;}

Public char getsex () {return sex;}

Public void setsex (char sex) {this.sex = sex;}

Public float getWeight () {return weight;}

Public void setWeight (float weight) {this.weight = weight;}} 6.2 Save the following code as o / R mapping file Cat.hbm.xml, put% WebApp% / Web-INF / CLASSES < Class name = "net.sf.hibernate.examples.quickstart.cat" Table = "cat"> 6.3 Save the following code as HibernateUtil .java, generate corresponding hibernateutil.class, put% WebApp% / Web-INF / CLASSES, also pay attention to package package net.sf.hiber Nate.examples.quickstart; import org.apache.commons.logging.log; import org.apache.commons.logging.logfactory; import net.sf.hibernate. *; import net.sf.hibernate.cfg. *; public class Hibernateutil {

Private static log log = logfactory.getlog (HibernateUtil.class);

PRIVATE STATIC FINAL SESSIONFACTORY SESSIONFACTORY;

static {try {// Create the SessionFactory sessionFactory = new Configuration () configure () buildSessionFactory ();..} catch (Throwable ex) {log.error ( ". Initial SessionFactory creation failed", ex); throw new ExceptionInInitializerError ( EX);}} public static final threadlocal session = new threadlocal ();

Public static session currentations () throws hibernateException {session s = (session) session.get (); // Open a new session, if this thread has none yet if (s == null) {s = sessionFactory.openSession (); Session.set (s);} returnz

Public static void closesession () THROWS HibernateException {session s = (session) session.get (); session.set (null); if (s! = null) s.close ();}}

6.4 Save the following code as TestCat.jsp, put% WebApp% <% @ page language = "java" PageEncoding = "GB2312"%> <% @ page import = "net.sf.hibernate.transaction"%> <% @ Page Import = "Net.sf.hibernate.Session"%> <% @ page import = "Net.sf.hibernate.cfg. *"%> <% @ page import = "net.sf.hibernate.query"% > <% @ Page import = "Net.sf.hibernate.examples.quickstart.hibernateutil"%> <% @ page import = "Net.sf.hibernate.examples.quickstart.cat"%> <% @ page import = " Java.util. * "%>