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@Transactional attribute The @Transactional annotation can only be applied to public modifiers and will not work with other modifiers without error. @Transactional ly is typically added to an implementation class or implementation class method, not to an interface or interface method. @Transaction ...

This is the blogger's first article in blog park. New arrival, please give me more advice ~   I'm sure you already know that IntelliJ IDEA is a very comfortable IDE, so I won't talk much about the benefits of IntelliJ IDEA here. (hereinafter referred to as IDEA) According to the installation sequence of bloggers, you may have stepped into some ...

The dao, service and controller of the system are all thrown upward through throws Exception, and finally the spring MVC front-end controller is handed over to the exception processor for processing. Spring MVC provides a global exception handler (only one exception handler in a system) for unified exception handling. Custom exception class Def ...

1. Dynamic agents: Jdk and Cglib I. principle difference: java dynamic proxy uses reflection mechanism to generate an anonymous class that implements the proxy interface. It calls InvokeHandler before calling the specific method. cglib dynamic proxy uses asm open source package to load the class file ...

I. overview When using Android Studio, plug-ins are often used to improve development efficiency (laziness). Some of them are commonly used: GsonFormat, ButterKnife, etc. Because introducing the mvp architecture into the project and writing various classes is a very tedious and repetitive task, so I wrote this plug-in at that time. Now I just ...

Thymeleaf uses two objects ා dates or ා calendars in the template to process dates, most of which are similar. Development environment: IntelliJ IDEA 2019.2.2Spring Boot version: 2.1.8 Create a new Spring Book project named demo. 1,pom.xmlAdding Thymeleaf dependencies <dependency> <groupId>org.springframew ...

As we all know, WebStorm is a JavaScript development tool of jetbrains company. At present, it has been praised by Chinese JS developers as "Web front-end development artifact", "the most powerful HTML5 editor", "the most intelligent JavaScript IDE" and so on. Homologous to ...

9.23-9.26 Go to the website and download intellij IDEA https://www.jetbrains.com/idea/download/#section=windows 1, classpublic class hello {...} where Hello is the name, if you modify the name on this basis, the compilation will be wrong (the file name is still hello.java, so the file name and name must ...

Development Environment: IntelliJ IDEA 2019.2.2Spring Boot Version: 2.1.8 Create a new SpringBoot project named demo. 1. Configuring with Servlet s 1. Modify the code for the startup class DemoApplication.cs and add the annotation ServletComponentScan, which scans for Servlet components, including using @WebServlet, Classes decorated with @ ...

Preparation Local runtime environment JDK : 1.8+ MySQL : 5.6.5+ Maven : 3.6.1 IDE : IntelliJ IDEA Apollo's table structure uses multiple default declarations for timestamp, so it requires more than 5.6.5 versions. From the official warehouse https://github.com/ctripcorp/apollo Fork comes out of its own warehouse https://github.com/wupeixuan ...