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springboot2 refers to static resource files and sets interceptors and decorative icons 1. structure 1.1 guide pack 1.2 Configuration of resources 1.21 application.properties configuration 1.22 WebStatic Config configuration 1.23 Configure Home Page Access and Interceptor 1.24 Place configuration in ...

I. Exception handling in SpringBoot 1 SpringBook provides five ways to handle exceptions 1.1 Custom Error Page SpringBoot default exception handling mechanism: SpringBoot default has provided a set of exception handling mechanism. Once an exception occurs in the program, SpringBoot sends a request ...

First, enter the following code in the page: First: Front-end code <script> var websocket = null; if('Websocket' in window) { websocket = new WebSocket('ws://Here is the address of the page you want to implement. }else{ alert('This browser does not support websocket'); } websocket.o ...

1. demand Development starts with requirements or project situations. The project uses several simple databases and tables, but because they are simple, they are all configured in a mapper. That is, a mapper needs to correspond to multiple databases. The database configuration file should be placed i ...

Dubbo usage steps SpringBook approach Step 1: Introducing dependencies Add the following dependencies to the pom.xml file in the service provider and consumer Engineering <!-- Dubbo Spring Boot Starter --> <!-- Introduce Dubbo Core library and introduction SpringBoot Automatic Configurati ...

custom interceptor 1. Techniques similar to filters 2. When sending a request, the interceptor intercepts it and adds additional functions before and after the controller. Distinguish from AOP. AOP extends before and after a particular method (for Service Impl) Interceptor, request interception. ...

Dubbo usage steps SpringBook approach Step 1: Introducing dependencies Add the following dependencies to the pom.xml file in the service provider and consumer Engineering <!-- Dubbo Spring Boot Starter --> <!-- Introduce Dubbo Core library and introduction SpringBoot Automatic Configurati ...

1. Create a database Create databases and table structures 2. Import the required jar packages 1) spring and spring MVC 2) Mybatis and mybatis-spring packages 3) Data Driven Package 4) Connection pool package 5) json dependency packages 3. Consolidating configuration files dao 1)SqlMapConfig.xml 2 ...

Today, try adding Spring Boot Admin to the project, which is a Web application for managing and monitoring Spring Boot applications. It is divided into Server and Client. Each application is regarded as a client and registered with the management server. The implementation principle is based on the endp ...

Noun interpretation Strategy Pattern Define a series of algorithms, encapsulate them one by one, and make them interchangeable. This pattern allows the changes of algorithms to not affect the users who use them. Application scenario There are many classes in the system, and the only difference be ...