7 Spring IOC (Dependency injection) way
Setter Method Injection
Constructor Method Injection
Factory method Injection (instance factory/static factory)
Automatic assembly (requires open configuration, not recommended )
http://blessht.iteye.com/blog/11621318 IOC Mode recommendations (constructor injection or setter method injection)
Both methods of dependency can be used, constructor injection and setter method i
Nested exception is java. io. FileNotFoundException: class path resource [spring/spring-datasource-mog, nestedexception
Problems found during spring unit testing:
Org. springframework. beans. factory. beanDefinitionStoreException: IOException parsing XML document from class path resource [
(restrictions), This causes the caller to fall into JPA code and, if materialized according to the specific scenario, may need to add code to many entity warehouses and not be universal. the role of Spring data
The warehouse code does not contain any business logic (in service), nor does it contain a UI (in controller), which is a generic boilerplate code. Spring data is a project that is independent of th
code is formatted, comprehensive comments, beautiful and easy to read.11, detailed record system operation log, help the operation and maintenance personnel for system analysis and troubleshooting.12, using Ehcache two cache, Spring MVC static load cache and other mechanisms to improve system performance.13, the data persistence layer is divided into hibernate and MyBatis two big architectures. 2 sets of systems, in addition to the data persistence l
In real life, there are examples such as boiling water, generally burned for 20 minutes after the water, will need to change water, and then burn for 20 minutes, water opened again, continue to remind, such as work, every 8 o'clock in the morning alarm clock will be in time to remind, then in the Java program How to achieve this has been set the timing of the task? , the following describes the business requirements for how to implement timers to oper
To develop a feature based on spring, you need to add the development support environment for spring. The so-called spring support environment is to add the jar, TLD, and XML files needed for spring in a Java Web application, and with these files we can develop the
Spring Java Configuration 1, creating a MAVEN projectCreate a MAVEN project using idea, by the way, idea is really better than eclipse and familiar. Then MAVEN is the most mainstream of Java project management tools, first configure a try, very good to get started.2. Import DependencyEdit Pom File1, first configure the JDK version and code, two ways, according to
The previous presentation of spring's web version of Hello World, a demo of spring in a common Java project, with a discussion of Singleton and prototype, clearly sees spring's injection strategy for entities.
Since it was a demo, it was added to a simple Beanpostprocessorimpl implementation class after looking at the factory's processor and the Bean's front and back processor.
Project structure:
After bui
, which provides transaction management for a single javax.sql.DataSource transaction management, SPRINGJDBC abstract framework, Ibatis framework ;
Hibernatetransactionmanager : In the Org.springframework.orm.hibernate3 or HIBERNATE4 package, provides transaction management support for a single org.hibernate.SessionFactory transaction when integrating the Hibernate framework, which only supports hibernate3+ version, and the spring3.0+ version only supports hibernate3.2+ version;
Jtatrans
Spring Boot 2.0 's launch has also sparked a flurry of learning spring boot heat, just a huge increase in the number of visits from my personal blog can be felt by everyone's enthusiasm for learning spring boot, and I'm thinking about it when so many people are keen to learn spring boot. : What is the background of
Spring provides two types of transaction management: programmatic and declarative. Programming, flexible, but with a large amount of code, there are more repeated code; declarative is more flexible than programming. The main programming method is transactionTemplate. Some commit, rollback, and a series of transaction object definitions are omitted, which need to be injected into the transaction management object. Declarative: mainly uses TransactionPr
and implementation of interface Autowirecapablebeanfactory
Configurablelistablebeanfactory:beanfactory configuration checklist, specifying the green type and interface Defaultlistablebeanfactory: Combines all of the above functional groups to be processed after the bean is registered
2.XmlBeanDefinitionReader
From this diagram we can see how this class is packaged in a step-by-step way.
This section contains a brief introduction to:1. Spring boot configuration file, using @springbootapplication annotations2. Spring Boot modify Java version and project code3. A standard spring boot code structure4. View the current project automatically configured those modules5. Disable automatic configuration6. Custo
Build a multi-modular spring MVC + Spring boot project using MAVEN, completely based on Java Config
First, create a new MAVEN project, the template uses QuickStart, the project name multiboot pom.xml configuration:
This adds dependency management for all of the sub modules and changes the package mode to POM
Second, in Eclipse, remove everything except pom.xm
Java framework --- spring AOP implementation principle --- spring AOPWhat is AOP?
AOP (Aspect-OrientedProgramming) can be said to be a supplement and perfection of OOP (Object-Oriented Programing, object-oriented programming. OOP introduces concepts such as encapsulation, inheritance, and Polymorphism to establish an object hierarchy to simulate a set of public b
Spring is an open source framework, and spring is a lightweight Java development framework that emerged in 2003 by Rod Johnson in his book expert one-on-one development and Some of the concepts and prototypes elaborated in design are derived. It is created to address the complexities of enterprise application development. One of the main advantages of the framewo
Note: Because I am not accustomed to annotation way, so after the annotation here to achieve the basic configuration, after the annotation will not be taken out alone to explain.
V: Spring Annotation
1. Preparatory work(1) Import Common-annotations.jar(2) Import schema file file name is Spring-context-2.5.xsd(3) Configuring in the Beans node of XML
2.xml Configuration Work
Note: This configuration
If you find garbled characters in the content returned by spring's @responsbody, you need to solve them in the following ways.
1. Ensure that spring character Encoding Filter is configured in Web.xml:
XML Code
2. If the return value type under the @responsebody annotation method is String, the
Class for the output of the content. Why would there be garbled?
Workaround 1: View the source code of the Stringhttpmessageconverter, the default enco
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