Programmer Think

Last BeanWrapper We introduced the origin of BeanWrapper. Now let's continue to see how Spring constructs a Bean. The code is not long and not particularly complex /** * Use the appropriate instantiation strategy to create beans: factorymethod, automatic injection of constructor, or simple parameterless constructor */ protected BeanWrapper ...

1 User Management 1.1 User List Display 1.1.1 Page JS Analysis Life cycle functions //Data Query Using Hook Function mounted(){ this.getUserList() } Get data function analysis async getUserList(){ const {data: result} = await this.$http.get('/user/list',{ params: this.queryInfo }) if(re ...

catalogue 1. Concept of mybatis (what is mybatis) 2. Why use MyBatis Steps for using mybatis   Specific configuration   Extension: multi table associated query Many to one: One to many:   nested queries Dynamic SQL: 1. Concept of mybatis (what is mybatis)          MyBatis ...

From CORS to Spring MVC Cross origin resource sharing (CORS) is also often translated as cross domain resource sharing. As a W3C standard, it allows browsers to make requests to cross source servers, overcoming the limitation that AJAX can only be used in the same source. CORS requires both browser and server support. When the browser initiat ...

In fact, learning Spring, on the one hand, is to simplify the development cycle, on the other hand, it can use Spring annotations and XML configuration and hand it over to Spring to help manage, saving a lot of unnecessary tedious things. However, because Spring's XML is too annoying, it is now commonly used to replace XML with annotations fo ...

Learning materials: Spring official documentation Spring is a lightweight framework for inversion of control (IOC) and aspect oriented programming (AOP). 1, IOC When we write a simple program, we always need to new many objects, but if we want to write a large project, multiple classes are coupled with each other and the relationship is compl ...

1, Create Dao, Service and Controller respectively through annotations 1. Why use annotations? If you configure according to the previous xml method, multiple beans need to be configured one by one. When these beans are particularly numerous and complex, the configuration one by one is not in line with human nature (laziness), then annota ...

Spring source code analysis XV: basic components of spring cloudSpring cloud does not have only one project, but the general name of the ecosystem composed of many projects, such asspring-cloud-netflix : integration of open source componentsspring-cloud-gateway : Gatewayspring-cloud-kubernetes : Yes kubernetes Integration ofspring-cloud-config ...

catalogue 1. Agent mode 1.1 create project 1.1.1 create project 1.1.2 complete the entry code test 1.1.3 editing UserService 1.1.4 how does the business layer control transactions 1.1.4 business code - problem description 1.2 agency mechanism 1.2.1 characteristics of agent mode 1.2.1 agency characteristics 1.3 dynamic agent JDK mod ...

During the publishing of Dubbo service, the extension point is loaded for the first time by loading the ConfiguratorFactory configuration factory in the doExportUrlsFor1Protocol() method. if (ExtensionLoader.getExtensionLoader(ConfiguratorFactory.class) .hasExtension(url.getProtocol())) { url = ExtensionLoade ...