Programmer Group

1. Create project For Eclipse platform, spring tool suite is installed   File - > New - > other - > spring boot - > spring starter project - > select jdk and other information - > Click Web, select Web, click SQL, select JPA, Mybatis, MYSQL, click next, Finish.   2. Document editing 2.1 modify pom.xml C ...

I. configuration and analysis of spring+mybaits xml in the project Generally, we will configure in datasource.xml as follows, but the principle and purpose of each configuration item is not so clear. If not clear, there will be a pit in use, so we will explain these configuration items one by one (1)Configure data sources <bean id="dataS ...

There is a lot of code, skip it and understand that logic is studying code Introduce Looking back at the projects in the previous section, the final hierarchy is: On MVC, we analyze the advantages and disadvantages of MVC design mode, and add Service layer to deal with business logic, but this is not complete. For large projects, the program s ...

First, we need to create an empty examstudent table in the database: Second, create a student class corresponding to the contents in the table: package com.atguigu.jdbc; public class Student { // Serial number private int flowId; // Examination type private int type; // ID number private String idCard; // Ticket num ...

Today, I saw a blog post on the Internet. The title is: insert 10 million pieces of data into mysql database in 4 minutes. I think it's very interesting, so I record it for myself to learn.MySQL version: mysql-5.7.22-winx64 1. Set the capacity of MySQL database tables The default capacity of the database table is 4M. If the stored data exceeds ...

Catalog 1. Integration ideas 2. Integrate the required jar package 3. Steps of integration 4. Two implementation methods of Dao development 6. Summary of Dao's development @ Mybatis integration of spring is actually the integration of SM in SSM framework. 1. Integration ideas The id ...

This video makes a list of the blog's home page; Content introduction: springboot integrates beetlsql; uses for loop, if control statement, virtual property, variable definition, etc Learn beetl directory together: https://my.oschina.net/u/1590490?tab=newest&catalogId=6214598 Author: GK Integrate BeetlSql to query database Introdu ...

MyBatis was apache An open source project of iBatis In 2010, the project was migrated from apache software foundation to google code and renamed MyBatis. Moved to Github in November 2013. As an excellent orm framework, MyBatis is often compared with Hibernate. As a popular MyBatis, it avoids almost all JDBC code, manual parameter s ...

Objectives of this paper: Using the pure Mybatis framework to obtain data; Clarify the working process of Mybatis. Create project and run First, create maven project, and the process will not be repeated. The dependence is as follows: <dependencies> <dependency> <groupId>org.mybatis</groupId> <artifa ...

Take mysql for example: diver_name=com.mysql.jdbc.Driver url=jdbc:mysql://192.168.*.*:3306/car?useUnicode=true&characterEncoding=UTF-8&useSSL=false username=root password=dp@ssord database_name=car jeecg_config.properties #code_generate_project_path project_path=D:\\SourceProject\\car #bussi_package[User defined] bussi ...