Spring learning notes: First Reading Spring and spring learning notes
1. Brief Introduction
At the bottom layer of spring ioc, the xml file is configured first, then the factory is created, the configuration file is parsed using dom4j, and finally completed through reflection. The steps are similar. The specific code
remark:
A basic understanding of spring boot has been made through the previous chapters, but spring boot is just a box that encapsulates an integrated reference and needs to be combined with a specific project to really use it.
The main record is to use spring boot to implement the integration of spring MVC and MyBat
processing, the purpose is to encapsulate data. 8.Servlet is how the request is handled usually when we send a request like Http://localhost:8080/TomcatTest/login, How does the container find the Loginservlet class to handle it? In fact, Tomcat has a mapper class that is designed to hold the child container information in the container container in Tomcat, Before the Org.apache.catalina.connector.Request class goes into the container container, Mapper will be based on this request hostname, C
Spring framework Article 5: Spring and AOP; spring Article 5: aopI. AOP Overview
AOP (Aspect Orient Programming) is a supplement to Object-Oriented Programming (OOP. Object-Oriented Programming considers the program structure from the static point of view, while Aspect-Oriented Programming considers the program running process from the dynamic point of view.
The
Spring and STRUTS2 integration, struts.xml in SRC directory1. Configure the Listener in Web. xmlXmlconfiguring spring's listener for initializing the ApplicationContext -Listener> Listener-class>Org.springframework.web.context.ContextLoaderListenerListener-class>Listener>Context-param> Param-name>ContextconfiglocationParam-name> Param-value>Classpath:applicationcontext*.xmlParam-value>Context-param>Configuring the primary filter for STRUTS2 -
[Spring] Send emails using Spring and send emails using spring
The core of Spring Email abstraction is the MailSender interface. The MailSender can be connected to the Email server to implement the mail sending function, such:
The implementation of a MailSender in Spring is
The most comprehensive Spring learning notes and spring learning notes
Spring is committed to providing a way to manage your business objects. Spring can be seen everywhere in a large number of Java EE applications. Today, I will briefly introduce the Spring framework.
This
Each sub-project of 1 Spring
Spring framework (CORE ):The Spring framework provides a comprehensive programming and Configuration Model for modern Java-based enterprise applications-on any kind of deployment platform. A key element of spring is infrastructural supportThe application level:
When a bean is created, if the bean property is not initialized and assigned a value in the bean definition in the configuration file, spring will not initialize the property by default) check is not performed. However, in many cases, bean-specific attributes must be initialized and assigned values. In spring2.x, spring uses the dependency-check attribute in bean labels to set the method for force checks. T
Getting started with Spring AOP and IOC containersIn the first installment of this three-part series that introduces the spring framework, you will begin to learn how to build lightweight, robust Java EE applications with spring technology. DeveloperWorks's regular contributor, Naveen Balani, begins his three-part Spring
Recently work too busy, so delay to everyone to share the actual combat springboot framework of use.The following is the use of spring boot to integrate multiple frameworks.The first is to prepare for the job well.First, the package required to import the framework, we use the thing Maven to manage the package.The above example is my h5ds real background management project. The project is being financed with hospitality, and you will have a lot of peo
Spring: Use Spring AOP to separate log input and method. spring AOP
Log output is a common function. The traditional method is to write the output statement inside the method body. When calling this method, use the input statement output information to record the execution of the method!
1. First write a common class:
Package com. importnew; public class Common {
Preparatory workFirst, build a simple Web project that will be used to add security controls later, and if you are building a web app using spring boot, you can read the Spring Boot Development web App article first.Web tier Implementation Request mapping@Controller Public class Hellocontroller { @RequestMapping ("/") public String Index () { return "Index"; } @RequestMapping ("/hell
Spring el--spring Expression language:
Supports the use of expressions in XML and annotations, similar to the El Expression language of JSPs.
Spring development often involves invoking a variety of resources, including common files, URLs, configuration files, system environment variables, and so on, and we might use spring's expression language to implement reso
Http://www.iteye.com/blogs/subjects/spring3http://jinnianshilongnian.iteye.com/blog/1482071Learn Spring with me (Open Tao blog)Spring is an open source framework that is created to address the complexities of enterprise application development. One of the main advantages of the framework is its layered architecture, which allows you to choose which components to use while providing an integrated framework f
Spring (1), Spring (
1.1 Spring framework Overview
1.1.1 what is Spring
Spring is an all-in-one lightweight open-source framework of hierarchical JavaSE and JavaEES.
Layering:
The three-tier structure of the EE provided by SUN: web layer, business layer, a
Study Spring MVC distributing requests to class instances of spring dependency InjectionThe beautiful Life of the Sun Vulcan (http://blog.csdn.net/opengl_es)This article follows "Attribution-non-commercial use-consistent" authoring public agreementReprint Please keep this sentence: Sun Vulcan's Beautiful Life-this blog focuses on Agile development and mobile and IoT device research: IOS, Android, HTML5, Ard
Next we will create a web project. For simplicity, We will directly use the template in Virgo to create a new project. The control layer uses spring MVC 3.Create a WEB Project
Open STS and create a project. Select sprinng template project.
Figure: Create a spring template project
Select spring MVC Project
Figure: Template Selection
Enter the project name
[Spring] uses Spring's AbstractRoutingDataSource to implement multi-data source switching. spring dynamically switches data sources.
Recently, because the project needs to synchronize data between two projects, specifically, Project 1 data is synchronized to project 2 through the message queue, because this update operation also involves updating data in multiple databases, you need to switch between multip
1. Click Create New Project2. Select Spring initializer and jdk1.8 Note: Project names are lowercase letters3, now only need a create a Web, choose a good4, no use of the file, you can delete5. pom.xml file automatically introduces web and Java related packages and packaged plugins Both the main program and the test program are automatically generated.Spring Boot series (ii) Spring initializer quickly crea
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