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In the last article, we talked about the life cycle of springbeans and knew the process of instantiation, creation and destruction of springbeans, but we know that Spring supports one Bean to introduce other Bean objects, so the problem of interdependence is inevitable. How does Spring solve this problem? There are many ways for Spring to regis ...

SpringBoot+mybatisPlus+Vue to build the front desk system of student record Front and rear end separation interaction: Back end development: Use IDEA+SQLyog+Maven Version introduction: IDEA:2020.0 sqlyog:V12.14 Maven:3.8.2 MySql:8.0.2 springBoot:2.5.7 mabatisPlus:3.0.5 Content introduction: Inspired by my classmates, I found that th ...

1. Basic concepts of inheritance Inheritance is one of the three object-oriented features. Inheritance is everywhere. Inheritance is not only code reuse, but also the essence is to write code with abstract thinking in order to achieve stronger scalability of the program Inheritance is the process of creating a new class from an existin ...

Lock algorithm in Innodb There are generally three locking algorithms commonly used in innodb, namely 1. Record lock 2. Gap Lock 3. next key lock The Next key lock is the combination of Gap lock and Record lock. It locks a range and locks the Record itself. In other words, the next key lock is not a separate lock. As far as I understand, ...

Spring Cloud has enhanced the attribute source function of Environment,In the spring cloud context package, the PropertySourceLocator interface is provided to implement the extension of property file loading. We can extend our external configuration loading through this interface. This interface is defined as followspublic interface PropertySou ...

introduce This topic follows the theory of software engineering, as well as the software life cycle of requirements analysis, system design, coding and testing. The system is developed using the SpringBoot framework, which provides a full-featured MVC module for building Web applications. It is mainly composed of dispatcher servlet, handler ma ...

Suppose that there are five attribute values in the database, namely id,name,sex,age and hobbies. It is required that hobbies are presented in the front end in the form of array. At this time, it can be realized through JSON. At first, I thought of using JSON directly in impl, but there is a problem that there are not only hobbies, but also ID, ...

Installation and use of Nacos 1, Introduction Nacos component is a recommended implementation component of registry and configuration center in spring cloud component library. As a registryAs the configuration center 2, Install the Nacos registry Download Nacos server: https://github.com/alibaba/nacos/releasesInstallation: after decompress ...

My cousin asked me to repair her radio, which confused me Cousin: brother, my computer blue screen crashed 😓 Me: let me show you. One meal operation Me: you have two memory modules here, but one of them is broken. I'll unload it now and use the good one for the time being. Cousin: Wow! Sure enough, that's great 👍 By the way, broth ...

Network programming summary Under the network communication protocol, programs running on different computers can transmit data Three elements IP address: the address of the equipment in the network, which is the unique identification;Port: the unique identification of the application in the device;Protocol: the rules of data transmission i ...