Programmer Think

SpringMVC After learning the Spring framework technology, there will be almost two groups of people: A group of people still don't understand what this thing is for; Others have almost understood the core idea, but do not know how to play its role. In the Spring MVC stage, you can gradually realize the convenience brought by the Spring frame ...

1.maven warehouse <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> 2. Filter The ...

In depth Mybatis framework After learning Spring, we have learned how to manage a class as a Bean by the IoC container, that is, now we can use the Mybatis framework in a more convenient way. We can directly hand over SqlSessionFactory and Mapper to Spring for management, and we can use them quickly by injection. Therefore, we need to learn how ...

1, Project introduction The main functions of the project are: select a class from the drop-down list, and click the query button to display the table displaying student information at the bottom of the page As shown in the figure: Main technologies used: three SSM frameworks, AJAX, jQuery, BootStrap, etc Project objective: to i ...

Construction steps Here, the database connection pool, springmvc, mybatis and service are created separately, and then import is integrated into ApplicationContext xml New projectGuide PackageCreate external file dB propertiesConfigure spring Dao xml: a. Associated database file b. Configure database source c. Configure bean sqlSessionFactory ...

brief introduction Ajax = asynchronous JavaScript and XML. AJAX is a technology that can update some web pages without reloading the whole web page. Ajax is not a new programming language, but a technology for creating better, faster and more interactive Web applications. In 2005, Google made AJAX popular through its Google suggest. Go ...

Spring source code 6 - onRefresh() methodHello, I'm classmate Tian, a programmer.Today, I will take you to interpret onRefresh() method of Spirng source code 6. This is one of the methods of refresh(). It seems to be an empty method, but in fact it is very, very important to improve the scalability of Spring.As the old rule, first paste the sou ...

Get binary stream file api writing The back end here is a project written using the Spring Boot framework I use the encapsulation here and then call the way: First, write a tool class: The name is downloadrequest js The code notes are as follows: import axios from "axios"; /** * api encapsulation for file download */ // Create an axios ob ...

This section mainly explains how to use Apollo in ordinary Java projects and Spring Boot. Used in ordinary Java projects Add Maven dependency of Apollo Client. The code is as follows. <dependency> <groupId>com.ctrip.framework.apollo</groupId> <artifactId>apollo-client</artifactId> <version&gt ...

What is Spring's ropeScope, also known as scope, in Spring IoC container, refers to the request visibility range of the Bean object it creates relative to other Bean objects. The Spring IoC container has the following scopes: basic scope (singleton, prototype), Web scope (reqeust, session, globalsession), and custom scope< br/>singleton i ...