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Centralized Registry for All Components in Spring MVC What does a component centralized registry mean? To put it bluntly, if you start the project with pure annotations, the components registered in xml will be transferred to the implementation of the WebMvcConfigurer class. The following is an explan ...

I. Introduction Examples 1. Configure dependencies in maven's pom file as follows: <!-- log4j support --> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency> 2. Create the lo ...

Sharing Knowledge and Delivering Happiness   Preface Quartz is an open source timing scheduling framework that supports cluster deployment. We can use it through its Java API, or we can configure and manage it through Spring, or we can use both ways together. This paper focuses on the initializati ...

This post has been really a long time ~~, and finally I can take a breath to write a good blog, this time is really busy, iteration is too tight.Okay, let's skip the crap and get to today's topic. Effect Fig. 1 Tv application: the home page of DangBei Market Figure 2 is our own simple and rough Tv application main int ...

View jps[root@master ~]# jps 7445 Jps If this happens, you can move on to the next step. If not, please refer to jdk environment construction Import the Hadoop package and place it in the / opt directory Check if the Hadoop package is imported [root@master ~]# cd /opt [root@master opt]# ll total 4 ...

About the definition of Example class? Mybatis-generator generates Criterion for each field and creates dynamic sql for the underlying mapper.xml. If there are more fields in the table, the example class will be very large. In theory, you can construct any filter condition you think of by using the exam ...

Note: Mybatis Plus version 3.0.7 only started using Custom SQL + [Query Wrapper], low version can not be used, or honest SQL for conditional splicing. 2.0. Source code analysis In the Wrapper < T > interface, there are the following methods /** * Get custom SQL to simplify custom XML comple ...

Installation of JDK( Baidu Disk Extraction Code: rus0  | Official website)  Configuring environment variables CTRL+R enters sysdm.cpl and then chooses Advanced - > Environment Variables (or right-click the computer - > Properties - > Advanced System Settings - > Environment Variables) ...

brief introduction logback is another open source log component designed by the founder of log4j. Currently, it is divided into three modules: logback-core is the basic module of the other two modules. Logback-classic is an improved version of log4j. In addition, logback-classic fully implements the SLF4J API, so that you can easily replace it ...

https://blog.csdn.net/qq_36355662/article/details/80030372 Recently, we need to build an indoor simulation environment for exp ...