Java-based design and implementation of springboot+vue+elementUI highway toll management system

This system is a platform designed by using the Spring Boot framework in combination with the actual situation of the user. It uses VUE technology to display all the interfaces available to users and administrators, and uses Java language technology to program the user. And the business logic of various operations performed by the administrator ...

Posted by partypete on Mon, 12 Dec 2022 22:22:41 +0300

Java project: SSM movie ticket management system

Author homepage: Source Space Station 2022 Introduction: High-quality creators in the Java field, Java projects, learning materials, technical mutual assistance Get the source code at the end of the article Project Introduction The administrator role includes the following functions: Administrator login, administrator user management, a ...

Posted by PW on Thu, 08 Dec 2022 23:18:25 +0300

Mysql SQL optimization tracking to see how to optimize and decide which index to use or not to use

background When using the index field to filter data, the explain query statement found that MySQL did not use the index, which raised doubts, so I decided to investigate why the index was not used, but the full table scan The result of the cause investigation is that when the amount of data you want to query is continuous and accounts for ...

Posted by Xonnie316 on Tue, 06 Dec 2022 11:57:13 +0300

Use of SpringBoot cache annotations

I've been busy recently and haven't had time to update. In the last article, I talked about how to use Redis for caching. At the end of the article, I mentioned SpringBoot's support for caching. This article will talk about how to use SpringBoot. 1. SpringBoot's support for caching For SpringBoot's support for caching, ...

Posted by Sh0t on Sun, 04 Dec 2022 15:57:50 +0300

Spring Security: Basics

1. Getting to know Spring Security first1.1 Spring Security concept  Spring Security is a security framework implemented by Spring using AOP thinking and based on servlet filters. It provides a complete authentication mechanism and method-level authorization functions. It is a very good permission management framework. Spring S ...

Posted by msnhockey on Wed, 30 Nov 2022 20:01:39 +0300

Xuanzi Java Basic Notes 2

User interaction Basic Scanner package CH02_JAVAProcessControl; //Basic Scanner import java.util.Scanner; //Guide package public class XZ01_UserInteraction { public static void main(String[] args) { Scanner input = new Scanner(System.in); //Create a Scanner object System.out.println("Please enter 1"); if (input.h ...

Posted by marsooka on Mon, 28 Nov 2022 07:52:35 +0300

Detailed JDBC usage

Introduction to JDBC Java Database Connectivity, (Java Database Connectivity, referred to as JDBC) is an application programming interface used in the Java language to regulate how client programs access the database, and provides methods such as querying and updating data in the database. JDBC is also a trademark of Sun Microsystems. We usua ...

Posted by naomi385 on Sun, 27 Nov 2022 20:52:51 +0300

Chapter 2-4-2 Introductory case of rule engine Drools - business rule management system - componentization - middle platform

3. Drools entry case A full set of codes and materials are provided in full, click here to download This section uses an introductory case of Drools to let everyone have a preliminary understanding of how to use Drools and have an overall concept of Drools. 3.1 Description of business scenarios Business scenario: Consumers purchase books in th ...

Posted by lmninfo on Wed, 23 Nov 2022 01:22:10 +0300

Implementation of paging in JavaWeb - based on Mysql (general)

I believe you can also see the paging effect on the website! So now let's take a look at his ideas, codes and renderings.General pagination based on MySql database The core idea of ​​general paging: send the last query request again, but the page number has changed Implementation steps: 1) Query all data first Junit test     baseDao&l ...

Posted by apoc- on Tue, 22 Nov 2022 20:07:21 +0300

Spring AOP (aspect-oriented programming) and AspectJ framework to achieve AOP (annotation)

What is AOP (1) Aspect-oriented programming (aspect), the use of AOP can isolate each part of the business logic, so that the coupling degree between the parts of the business logic is reduced, the reusability of the program is improved, and the efficiency of development is improved. (2) Popular description: Add new functions to the main funct ...

Posted by koen on Sun, 20 Nov 2022 00:31:39 +0300