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Book management system (SSM framework integration) preface The simple book management system implemented with SSM framework can carry out basic CRUD functions. 1, What is the SSM framework? 1.SSM SSM (Spring + spring MVC + mybatis) framework set is integrated by spring and mybatis (spring MVC is part of spring), which is often used a ...

catalogue   1, HelloWorld What is Spring? Describe Spring in detail Spring module 2, IOC & Di overview Previous IOC 3, Configure Bean 1. Step 1: 2. Step 2: 3. Step 3: 4, Property configuration details V. automatic assembly 6, Relationship between beans 7, Scope of Bean 8, Use external properties file 9, SpEL 10, Manage the ...

Prometheus: Prometheus is an open monitoring solution. Users can easily install and use Prometheus and expand it The following will implement the whole process of a SpringBoot application accessing Prometheus 1.2 installation Linux Installation Download package specified on the official website: https://prometheus.io/download/ Download loca ...

Specific case of springboot security, implementation of security framework, permission control, aop entry Introduction to springboot security Security official Preface Security is an ever-changing goal, and it is important to pursue a comprehensive and system wide approach. We encourage you to adopt additional layers of security in each area ...

1. Introduction to mybatis 1.1 original jdbc operation (query data) 1.2 original jdbc operation (insert data) 1.3 analysis of original jdbc operation The problems existing in the original jdbc development are as follows: ① The frequent creation and release of database connections cause a waste of system resources, which affects the sys ...

What is Spring Cloud Square When talking about Spring Cloud ecology, you must be familiar with Feign. As shown in the figure below, Feign can hide the Rest requests of the underlying (okhttp, httpclient) and pretend to be similar to the Controller of spring MVC. You don't have to splice URLs, splice parameters and other operations by yourself. ...

1, Smelly and long if... else No more nonsense. First look at the following code publicinterface IPay { void pay(); } @Service publicclass AliaPay implements IPay { @Override public void pay() { System.out.println("===Launch Alipay payment==="); } } @Service publicclass WeixinPay implements IPay { ...

i18n internationalization In development, Internationalization, also known as localization, means that a website (or application) can support multiple different languages, that is, different words can be displayed according to the language type and country / region of the user. It can make it easy for users in different countries and languages ...

background At present, there are various promotion addresses of products in various circles. Due to the long URL address, unsightly, inconvenient collection, release, dissemination and the limitation of the number of words of various posts, wechat and microblog are using short link technology. Recently, due to the use of three-party generat ...

1. Common spring annotations 1.1 automatic assembly 1.1.1 @Configuration Since Spring 3.0, it has supported a better Configuration method: the Configuration method based on Java classes. The @ Configuration annotation indicates that this is a Configuration class, and its bottom layer is @ Component (that is, the bean object of this class wil ...