Programmer Group

First, web.xml file is the core configuration file of the project. Many configuration information is configurated, loaded and initialized through this file. 1. The loading order of the web.xml file is independent of its order in the web.xml file; the loading order is: ServletContext (context-param) - ...

Articles Catalogue 1. Integration Thought 2. Integrating jar packages needed 3. Integration steps 3.1. Creating Engineering 3.2. Importing jar packages 3.3. Add configuration files 3.3.1. Configure SqlMapConfig.xml 3.3.2.applicationContext.xml 3.3.3. Configure db.properties 3.3.4. Configure log4j.p ...

I. Simple annotations to mybatis Key commentaries: @ Insert: Insert sql, exactly the same as xml insert sql @ Select: Query sql, exactly the same as xml select sql grammar @ Update: Update sql, exactly the same as xml update sql syntax @ Delete: Delete sql, exactly the same as xml delete sql @ Param: Pa ...

Introduction to MyBatis Foundation content 1. Introduction to MyBatis 2.MyBatis Starter Program 3.MyBatis uses Mapper interface 4. Config file configuration for MyBatis I. Introduction to MyBatis 1. Introduction 1.Mybatis is consistent with Hibernate and is an open source ORM framework. MyBa ...

Overview of SpringBoot background Springboot uses (conventions are greater than configurations). There are a lot of configurations in the project. In addition, some customary configurations are built in, which greatly reduces our workload. Spring boot makes it easy to create a spring framework-bas ...

1. Introduction to SSM (Baidu replication) SSM (Spring + Spring MVC + MyBatis) framework set is composed of Spring and MyBatis open source frameworks (Spring MVC is part of Spring). It is often used as a framework for web projects with simpler data sources. 2. Construction of SSM framework 2.1 Cre ...

Mybatis generator Its main function is to create Dao, entry and xml conveniently and quickly, which speeds up the development speed, and to configure OK according to the rules it provides. There is also an important development scenario. During the development process, there must be a lot of operations on the database, such as adding new fiel ...

After we have finished some basic knowledge of java and spring boot, today we will talk about how spring boot implements database management. At present, there are two mainstream approaches. 1. springboot combines mybatis to manage database 2. springboot combines jpa to manage data These two methods ...

I haven't written a few articles since I opened the garden for so many years. Now I think it's not good to just read other people's articles. I'll write it myself. Just write about the problems I met when I was doing the integration of spring mvc and mybatis on this day. 1 spring and mybatis integration I believe everyone has done it, but I s ...

Demand: 1. Query a user 2. Query multiple users (List) Step 1: Make a global configuration file under config/SqlMapConfig.xml (note header information) <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd"> <configuratio ...