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Springboot front and back end separation - integration of Shiro-Md5 encryption and authentication login - Learning Records Reference here: https://blog.csdn.net/bbxylqf126com/article/details/110501155 https://blog.csdn.net/weixin_42375707/article/details/111145907 https://blog.csdn.net/qq_34845394/article/details/94858168 I am confu ...

method 1. What is the method What is the method? System.out.println() system is a class. out is an output object in the class. println () is a method of the object The meaning of this statement is to call the println method in the standard output object out of the system class Java methods are collections of statements that together pe ...

Introductory test Identify requirements Project Name: Journey Addition, deletion, modification and query of databaseThe primary and secondary menus of the page are displayed.Image upload and deletionSide catalogue displayPage Pagination Determine the tools and frameworks used springboot framework, idea, mysql, mybatis, maven Design table ...

1, Coordinate definition <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.ioteye.maven</groupId> & ...

Common Java classes Packaging Because the basic types in Java language are not object-oriented and do not have the nature of objects, it is inconvenient to use them in practice. Java in Java Lang package provides wrapper classes corresponding to eight basic types, which can be easily converted into objects for processing, and some methods can ...

1. Not managed by Spring As shown in the following example: // @Service public class OrderServiceImpl implements OrderService { @Transactional public void updateOrder(Order order) { // update order； } } If the @ Service annotation is commented out at this time, this class will not be loaded into a Bean, and this class ...

I specially publish a blog to record my first project. Here I summarize some problems during my project. The whole project takes about 5 days. I don't talk much nonsense and get to the point. The project content is roughly divided into the following parts 1, Import project Open IDEA, click Maven on the right, and import the Maven project tra ...

Preface JDBC is a set of interface s developed by SUN Company 1. Overview of JDBC 1. What is JDBC? Java DataBase Connectivity (Java Language Connectivity Database) 2. What is the nature of JDBC? JDBC is a set of interface s developed by SUN Company java.sql. *; (There are many interfaces under this package.) 3. Why Interface-orie ...

catalogue 1. Shortcut keys for IDEA tools and some simple settings 2. Shortcut keys for eclipse tools and some simple settings 2.1. File related shortcut keys 2.2 shortcuts commonly used when writing code 3. Basic exercises of Java program 3.1 topic 1: Vehicle Driving 3.2 topic 2: Calculator 3.3 topic 3: People Message 3.4 topic 4: ...

What is mybatis plus It's a MyBatis (opens new window) On the basis of MyBatis, only enhancements are made without changes MyBatis Puls benefits: There is no need to add, delete, modify and query sqlBuilt in code generator, paging plug-in, etcProvide a functional conditional constructor for rapid sql free developmentDo some small and medium- ...