Tag：springboot
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Implement a simple Java MVC framework from scratch (eight)–make Starter
spring-boot Starter A project always has a place to start. When the project is deployed in tomcat, tomcat is often usedstartup.sh(startup.bat)The startup script to start the web project In the spring-boot web project, there will basically be startup code similar to this: @SpringBootApplication public class SpringBootDemoApplication { public static void main(String[] args) { SpringApplication.run(SpringBootDemoApplication.class, args); […]
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Quick Start with Spring Boot
talk nonsense first Although more of my work is dealing with databases, as aCoder, I think mastering the front-end and back-endWebTechnically it is very necessary. Not only can it help us better understand the pain points of people who are connected with you in other positions at work, but it can also be a powerful […]
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Say goodbye to if else! Try this lightweight process engine, the built-in IDEA plug-in is really delicious!
When we usually work on projects, we often encounter complex business logic. If we use if else to implement it, it will often be very lengthy and the maintenance cost will be high. Today I recommend a lightweight process engine to everyoneLiteFlow, which can elegantly implement complex business logic. This article will take the calculation […]
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SpringBoot integrates mybatis interceptor to modify table name
background The company’s framework is developed based on mysql5.7. Recently, an application project was deployed on a linux system, using mysql8.0. Case sensitivity was not enabled during installation, and the customer was not allowed to reinstall the mysql environment, resulting in some frameworks Where the table name is capitalized in the code and business code, […]
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Detailed explanation of Elasticsearch SQL
Elasticsearch SQL is an X-Pack component that allows users to query in ES using SQL-like syntax. Users can use SQL in REST, JDBC, and command lines to perform data retrieval and data aggregation operations on ES. ES SQL has the following characteristics: Local integration, the SQL module is built by ES itself and directly integrated […]
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Realize a Simple Java MVC Framework from Scratch (9)–Optimize MVC Code
foreword existRealize a simple Java MVC framework from scratch (7)–Realize MVCimplemented indoodleThe MVC function of the framework, but finally pointed out that the logic of the code is not very good, and this part of the code will be optimized in this chapter. The goal of optimization is to 1. removeDispatcherServletRequest the http logic code […]
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Open source system builds IoT and smart home platform
1. Project introduction 1. Wumart Smart(wumei-smart)It is an easy-to-use IoT platform for life. It can be used to build an IoT platform and secondary development and learning. 2. The device access uses EMQX message server, encryption and authentication; the back end uses Spring boot; the front end uses Vue; the mobile end uses Uniapp; the […]
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SpringBoot multi-data source transaction solution
background A previous article provided an integration solution for springboot multi-data source dynamic registration switching. In the subsequent use process, it was found that there were various bugs in transaction control, and it was decided to analyze and solve this problem. Recap The multi-data source switching process structure diagram is shown below, including several components […]
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How to solve the problem of id self-increment when mybatis-plus adds data
https://blog.csdn.net/gb42152…
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Use annotations in SpringBoot to implement Redis distributed locks
1. Business background Some business requests are time-consuming operations that need to be locked to prevent subsequent concurrent operations. At the same time, operations on database data need to avoid impacting previous businesses. 2. Analysis process useRedisAs a distributed lock, put the state of the lock inRedisUnified maintenance to solve single machine in the clusterJVMFor […]
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spring boot
Introduction to Spring Boot: Spring boot is a scaffolding based on the spring framework, which can free us from the process of complex project creation and project configuration, and focus on the business, that is, it can be used out of the box. Its main function is to simplify the integration process of spring to […]
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docker compose builds redis7.0.4 high availability one master two slave three sentinel cluster and integrates SpringBoot
I. Introduction Redis is very common in our enterprise-level development, but a single redis cannot guarantee our stable use, so we need to build a cluster.Redis has two highly available solutions: High availability with Redis Sentinel Scaling with Redis Cluster The first one is what we are going to build this time, which is a […]