Beginners' article - spring MVC - Interpretation of DispatcherServlet source code

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 ...

Posted by Rik Peters on Sun, 06 Mar 2022 13:58:25 +0100

Springboot_ Interceptor_ Filter_ monitor

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 ...

Posted by Lynny on Sun, 06 Mar 2022 11:18:52 +0100

In depth Mybatis framework

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 ...

Posted by Pepe on Sat, 05 Mar 2022 14:32:11 +0100

SSM small project ---------- query student information by class

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 ...

Posted by steveangelis on Sat, 05 Mar 2022 11:45:01 +0100

SSM integration (they are copied and will not be configured by themselves after reading them for half a month. Here are the problems encountered in their configuration)

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 ...

Posted by Revlet on Sat, 05 Mar 2022 10:06:06 +0100

Summary of spring MVC learning notes [7] - ajax

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 ...

Posted by joeywoodbury on Sat, 05 Mar 2022 09:28:39 +0100

Spring source code 6 - onRefresh() method

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 ...

Posted by joshuamd3 on Sat, 05 Mar 2022 03:46:47 +0100

In vue, use axios to get the back end, get the binary stream, download the file interface, and fail to get the attribute in headers: content disposition

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 ...

Posted by Zup on Sat, 05 Mar 2022 01:11:28 +0100

springboot distributed micro service E-commerce mall learn from me about the use of springcloud Apollo in Java

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 ...

Posted by Flinch on Fri, 04 Mar 2022 22:17:39 +0100

Re recognize the Scope of Spring

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 ...

Posted by B of W on Fri, 04 Mar 2022 21:50:05 +0100