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Configure transaction manager <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName" value="com.mysql.jdbc.Driver"></property> <property name="url" value="jdbc:mysql://localhost:3306/myword"></property> <property name="username" ...

To facilitate the test, the Demo code is given first: mybatis-oracle-config.xml 1 <?xml version="1.0" encoding="UTF-8"?> 2 <!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" 3 "http://mybatis.org/dtd/mybatis-3-config.dtd"> 4 5 <configuration> 6 <properties> 7 <property nam ...

JDBC JDBC(Java Database Connectivity) Java database connection specification (a set of interfaces) provided by Sun company JDBC core class DriverManager create connection Connection connection class Statement execute sql statement ResultSet result set JDBC connection steps 1. Registration driver 2. ...

The previous article used maven to build a web environment, which records how to use spring to integrate spring MVC and hibernate, that is, spring + spring MVC + Hibernate framework integration.   Step 1: configure spring first Configure the spring configuration file applicationContext.xmls 1 <?xml version="1.0" encoding="UTF-8"?> 2 & ...

Note: The source analysis corresponds to JDK version 1.8 1 Introduction This is the first article on JDK Source Interpretation in Source Notes. In this article, we will explore the source code related to Java's SPI mechanism. 2 What is SPI mechanism So, what is the SPI mechanism? SPI is short for Service Provider Interface, which means Service ...

1. Background BoneCP used by friend company Mysql connection pool, the application accesses Mysql as domain name, which is configured as follows:   jdbc:mysql://order.mysql.xx.cn:3306/order?useUnicode=true&characterEncoding=UTF-8&allowMultiQueries=true All middleware access is through th ...

Introduce dependency: <!-- MyBatis generator --> <dependency> <groupId>org.mybatis.generator</groupId> <artifactId>mybatis-generator-core</artifactId> <version>1.3.7</version> </dependency> <!--Mysql Database driven--> <depend ...

Development environment: Idea2018 Database: mysql 8.0.16 Purpose: to learn Mybatis Database preparation This instance uses mysql 8.0.16, user name root and password 123456 To create a database and create a test form: /*Create database*/ CREATE DATABASE tms default character set utf8; /*Create data ...

What is business? A group of sql operations related to the same data source are either completed or failed. What are the characteristics of transactions? Atomicity: success or failure Consistency: offset each other (e.g. seller + 200, buyer-200) Isolation: no interference between two parallel trans ...

Hello, everyone. I'm yours Must ask Sister Q. What interesting and challenging topics did sister Q find today? Let's have a look. Q1: How can Scrapy get the browser's temporary cookie s? Problem Description: How does the script get the same temporary cookie s as the browser? For example, lv's offici ...