spring crudrepository example

1, first write interfaceInterface SmartDevice//Smart Device interface{public void SaveData (String data); Save Data sideMethod}Interface USB//USB Interface{public void Insert ();Public String read ();public void Write (String s);public void pop ();}2, and then build a specific classpublic class computer implements SmartDevice{Private USB Usbdevice;Public computer () {}//cannot construct USB device herepublic void SaveData (String data)//Implement Smart settingMethod of Preparation{Insert,write,p

Beanclass= "Com.smart.aop.advice.aspectj.PreGreetingAspect" />6 7 automatic proxy Creator, capable of automatically weaving the facets of a @aspectj callout into the target bean -8 Beanclass= "Org.springframework.aop.aspectj.annotation.AnnotationAwareAspectJAutoProxyCreator" />2) Testing1 PackageCOM.SMART.AOP.ADVICE.ASPECTJ;2 3 ImportOrg.springframework.context.ApplicationContext;4 ImportOrg.springframework.context.support.ClassPathXmlApplicationContext;5 Importorg.testng.annot

Description1. Let Java execute dynamic code through scripting language2. Use spring to broker a scripting language into an implementation class of Java interfacesThree scripting languages are supported in 3.spring2.5.6 Ruby,groovy,beanshell4. In the example, spring is combined with BeanShell5. Reliance on SPRING2.5.6,BSH-2.0B4 Copy Code code as follows:

introduction of the WID (WebSphere Integration Developer) wps (WebSphere Process Server) enables customers to more easily transform to a component-oriented programming model. This article describes the basic concepts and methods for creating and invoking SCA component in the SCA programming model and describes how to use WID for component creation and invocation in different scenarios in a series of simple instances. SCA supports the use of a variety of technologies to implement components, the

) public void afterThrowing(JoinPoint jp, Throwable ex) { System.out.println(error is: + ex); }There's no exception here, there's no output.The test code is as follows@Configuration@EnableAspectJAutoProxy@ComponentScan(basePackages = com.ydoing.service,com.ydoing.aspect)public class AppConfig { public static void main(String[] args) { @SuppressWarnings(resource) ApplicationContext ctx = new AnnotationConfigApplicationContext(AppConfig.class); SimpleService s

. Expectednumberofrenewspermin is refreshed every 15 minutes by default.From the above analysis, we have a general understanding of the conditions that trigger the service culling operation without shutting down the self-protection mode. The following two kinds of schemes are obtained to eliminate the failure nodes (pro-test is effective). By modifying the minimum rate of heartbeat success per minute to control that the registry does not enter self-protection mode, the node is rejected

1. Create template objects by string, and perform interpolation processing Import freemarker.template.Template; Import Java.io.OutputStreamWriter; Import Java.io.StringReader; Import Java.util.HashMap; Import Java.util.Map; /** * Freemarker The simplest example * * @author leizhimin 11-11-17 Morning 10:32 * * Public class Test2 { public static void Main (string[] args) throws exception{ //Create a Template object

Single and multi-case differences: Single-case multiple examples need to understand these problems: 1. What is a single case of multiple cases; 2. How to produce a single case of multiple cases; 3. Why use a single case of multiple cases 4. When to use a single case, when to use multiple examples; 1. What is a singleton, multiple examples of: so-called Singleton is that all requests are handled with an object, such as our common service and DAO layer objects are usually singleton, and a number o

Original address: http://www.roseindia.net/tutorial/spring/spring3/jdbc/sqlrowset.htmlThe ' SqlRowSet ' is used to handle the result of fetched (very similar to ResultSet in core Java). The main difference is this SQL exception is never thrown by it. The ' SqlRowSet ' throws ' org.springframework.jdbc.InvalidResultSetAccessException ' if needed. For using the it in your class file, need to import the ' Org.springframework.jdbc.support.rowset.SqlRowSet

Spring MVC pattern example (using a Decoupling Controller), mvc Product Package com. mstf. bean; import java. io. serializable;/*** Product class, which encapsulates some information, including three attributes * @ author wangzheng **/public class Product implements Serializable {private static final long serialVersionUID = 1L; private String name; private String description; private float price; public Str

Spring + Mybatis J2SE small example summary package dao;import java.util.List;import model.User;public interface UserDao {public User getUser(int i);public List getAllUser();public int insertUser(User u);public int updateUser(User u);public int deleteUser(int i);} select * from t_user where id=#{id} select * from t_user delete from t_user where id=#{id} update t_user set us

) throws Ioexception,servletexception {req.setcharacterencoding ("UTF-8 "); transcoding resp.setcharacterencoding ("UTF-8"); String uri=req.getrequesTURI (); Get request Uriint Lastindex=uri.lastindexof ("/"); String action=uri.substring (lastindex+1); Gets the action name//execution method if (action.equals ("Product_input.action")) {//no found, no action} else if (Action.equals ("product_ Save.action ")) {//Build a Productform form object according to the request parameters Productform product

First, we'll write a custom annotationthen we declare three classes to testFirst, declare an abstract parent class in declaring two subclasses, inheriting from our parent classSon Sub-categoryDaughter sub-classThe next step is to finish writing our functional class .Test ResultsA small example of annotation injection of the IOC implementation of spring

In order to be in the computer is not connected, the writing label in Beans.xml has the prompt function, need to import the constraint file locally on the computer, belowNote: Add the location suffix to the back of beans in keyNote: The method of importing the CONTEXT,AOP,TX constraint is consistent with the import beans method, notThis is four constraints all import success!!!Next, write the constraint to the XML configuration file and write the root element beansOther constraints import XML in

Org.springframework.context.annotation.configuration;import Org.springframework.context.annotation.Profile, @Configuration @profile ("!flower") Public classAppProfileConfig2 {@Bean PublicOuyangfeng Ouyangfeng () {Ouyangfeng Ouyangfeng=NewOuyangfeng (); Ouyangfeng.setage ( -); Ouyangfeng.setname ("Ouyang"); returnOuyangfeng; }}The code for the test class is as follows:Package Com.timo.profile;import Com.timo.profile.domain.alarm;import Com.timo.profile.domain.Ouyangfeng; Import Org.springframewo

This example describes the Java Development Spring Connection database method. Share to everyone for your reference, specific as follows:Interface: Package cn.com.service; Import java.util.List; Import Cn.com.bean.PersonBean; Public interface Personservice { //Save the public void Save (Personbean); Update public void update (Personbean person); Gets the person public Personbean Getpe

; } } Mapper 5. Configure the Spring container XML version = "1.0" encoding = "UTF-8"?> Beansxmlns= "Http://www.springframework.org/schema/beans"Xmlns:xsi= "Http://www.w3.org/2001/XMLSchema-instance"xsi:schemalocation= "Http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/ Spring-beans-3.0.xsd "> BeanID= "DataSource"class= "Org.springframework.jdbc.datasource.DriverMan

Example Description In the example, we'll learn how to page through the user's comments. Join Spring Data Introducing Jar Packs Join spring data to introduce in POM configuration in the root context @Configuration @EnableAsync (mode = Advicemode.proxy, Proxytargetclass = false, order = ordered.highest_precedence)

@After ("Pointcutmethod ()") public void Doafter () {System.out.println ("final Notice"); }//Declaration wrapping Notification @Around ("Pointcutmethod ()") Public Object Doaround (Proceedingjoinpoint pjp) throws Throwable { System.out.println ("Entry Method---surround notification"); Object o = pjp.proceed (); System.out.println ("Exit Method---surround notification"); return o; } }2. applicationcontext:spring configuration fileAdd:Any notification

for declaring pointcut expressions, which generally do not need to add additional code to declare pointcut expressions using @pointcut * The following notification uses the method name directly to refer to the current pointcut expression, and if other classes are used, add the package name */@Pointcut ("Execution (public * com.zbb.controller.*.* (..))") public void Declearjoinpointexpression () {} @Pointcut ("Execution (public * com.zbb.service.*.* (..))") public void DeclearjoinpoIntExpression