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First, MAVEN integrates eclipseMaven is very good, but it's not always nice to have command-line knocks, we're used to using the IDE, so there's a way to integrate Maven into eclipse.View more:http://www.eclipse.org/m2e/,http://download.eclipse.org/technology/m2e/releasesThe latter is also the updated address of the plugin, which will restart eclipse after installation, and then set up several maven plugins:To find Window->preferences->maven, two places need to be modified: Two "
First, IntroductionMyBatis, similar to hibernate, is a simplified framework for database operations, but unlike Hibernate, MyBatis is more flexible and the overall framework is smaller, which is reflected in the need for our handwritten SQL statements, Hibernate, however, will be completely transparent to the programmer for the operation of the database, and the programmer only needs to write the code according to the object-oriented thought, and to look at the SQL statement, it must be declared
;adding annotations to the service business logic implementation class@Transactional@Service ("Userserivce")publicclassimplements iuserservice{ @Autowired @Qualifier ("Usermapper") private Usermapper Usermapper; @Override @Transactional (propagation=propagation.supports) public list queryusers () { return usermapper.queryusers (); }}Attention:1) Add @Transactional annotations on the class to uniformly add transactions for all business methods of the class. If a
This video integrates video tutorials for the web process designer for Activiti workflowsIntegrated Acitiviti Online Process designer (Activiti-modeler 5.21.0 official process designer )This video is about two ways of integrating1. How the process designer and other workflow projects are deployed separately2. How the process designer and the SSM framework Project are integratedVideo size 1.13 GBThis video is personally recorded by me, another free additional complimentary activiti workflow Video
Design principles:Single principle of responsibility:The function of the class should be exclusive, do not chattyThe Richter replacement principle:Wherever you use the parent class, you can switch directly to subclasses, and do not override the parent class's methods without destroying the original inheritance structure.Dependency Inversion principle:Reduce coupling and improve robustness for interface programmingInterface Isolation principle:The function of the interface must be exclusive, do n
public class Webinit implements Webapplicationinitializer {@Override public void Onstartup (ServletContext container ) throws Servletexception {//project start execution://Front Controller//VS. XML configuration, config/* in Web. * * @Configuration//This class contains Bean DEFINITIONS@ENABLEWEBMVC//Same as SPRINGMVC Construction of the project, there is no integration of the persistence layer framework (Java
Java EE Project Combat (OA System) Five _ three frame integration of the two
Three, add three main frame
In this training project, use the Spring+hibernate+struts framework and use annotations to replace the XML configuration file.
1. Add Database connection
In the DB browser window, first add a connection to the Oracle database:
Database type Select Oracle, in the connection string, "@" is followed by the
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