Programmer Group

The cause of stack overflow Before solving the stack overflow problem, we first need to know the causes of stack overflow, which are mainly as follows: Whether there is recursive call or not, cyclic dependent call Is there a large number of cycles or dead cycles Too many global variables Local variables are too large, such as array, List, Map ...

[TOC] Quote The first two sections describe the Mybatis environment setup and the lifecycle of its components.These are our essential skills to get started with Mybatis.With the padding from the first two articles, we're going to dig into Mybatis today and fill the hole we buried before. XML Configuration Label overview <?xml version="1.0" ...

1. Jar package for spring framework, jar package for mybatis, jar package for spring MVC, integration jar package, database connection pool package 2. The tool I use is IDEA jar package required for integration: Write profile db.properties jdbc.driver=com.mysql.cj.jdbc.Driver //Remember to add cj jdbc.url=jdbc ...

Mybatis Source Parsing (IV) - How does SqlSession implement database operations? _If you use a database request operation as a comparison, the first three articles are preparing for the request, and the real operation is what this article will tell you.As with the title, the most central point of this article is that SqlSession implements sourc ...

Review above Last Section We have implemented the functions of jd-like round-robin advertising and commodity classification, and explained the different injection methods. In this section, we will continue to realize our e-commerce business, the display of commodity information. requirement analysis First, before we start coding this section, l ...

Xiaobian public address: java paradise Source codehttps://gitee.com/hjj520/spring-cloud-2.x 1. What is a service provider Service Provider: refers to the callee of the service (i.e. the service that provides services for other services); Service Provider, as an Eureka Client, performs service registration, renewal and offline op ...

Introduction When it comes to the word "persistence", people who operate databases every day are certainly familiar with it. In persistence, the two giants that have caught the attention of developers are Hibernate and MyBatis, and many developers often compare them.Google is a comparison of the two. Hibernate and MyBatis, like java ...

1. What is Spring Security? Spring Security is a powerful and highly customizable authentication and access control framework that is the de facto standard used to protect Spring-based applications. Spring Security is a framework for providing authentication and authorization for Java applications.As with all Spring projects, the real power of ...

dao layer integration of spring and mybatis Required jar package db.properties jdbc.driver=com.mysql.jdbc.Driver jdbc.url=jdbc:mysql://localhost:3306/mybatis?characterEncoding=utf-8 jdbc.username=root jdbc.password=123456 log4j.properties # Global logging configuration, DEBUG is recommended for development environment log4j.r ...

Catalog Introduction to MyBatis interceptor Use of interceptors Introduction and configuration of interceptor Source code analysis summary Reprinted from Research on the principle of MyBatis interceptor Introduction to MyBatis interceptor MyBatis provides a plug-in function. Alt ...