Programmer Group

Druid is the best database connection pool in Java language, which can provide powerful sql monitoring and extension functions. The industry compares Druid with HikariCP. Although the performance of HikariCP is higher than Druid, Druid includes many dimensions of statistical and analysis functions, so this is why everyone choose ...

Spring boot integrates Druid data connection pool What is Druid? Druid is Alibaba's open source database connection pool. Druid can provide powerful monitoring and extension functions. Where to download druid maven central warehouse: http://central.maven.org/maven2/com/alibaba/druid/ How to get the source code of Druid Druid is an open source p ...

Recently, druid monitoring is needed for maintenance of old projects, but druid is at least compatible with hibernate 4. There is no way to do this. You can do it by yourself. Based on com.alibaba.druid.support.hibernate.DruidConnectionProvider, the ConnectionProvider interface is implemented To use the druid data source, make the following c ...

brief introduction I believe that if you have configured too many data sources or are about to configure too many data sources, you will find the following solutions on the Internet: 1. Use AOP slice to switch dynamic data source 2. Use basePackages of MapperScan to configure different mapper directories and template s 3. Database agent middle ...

What is Druid? Druid is the best database connection pool in the Java language. Druid can provide powerful monitoring and extension functions. Project configuration 1. Add dependency <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <vers ...

Solutions: 1. The code reports an error. The operation causing the exception is batch update. The definition of the Bean is related to Druid as follows: <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close"> <property name="driverClassName" value="${db.driverClassName}"/&g ...

We will analyze the whole project of common service, record the whole construction process, and let more people to learn. First, before building the common service of spring cloud, we need to prepare the following technologies: Maven (project construction), Spring Boot, Spring Cloud, microservice concept, decentralization idea, distribution, ...

1. Import the web project, create the authentication module, and modify the pom.xml file 2. Paste the profiles file into the authentication module. There are two files database.properties and redis.properties in the profiles folder. Modify the database connection properties (user name, password, database name, etc.) in database.properties, an ...

Positioning advertisement code Let's first position the logic of advertising on the page. Clue 1. Since the advertisement does not appear when the page is loaded, there must be an asynchronous method to load it; Clue 2: because every page is called, it is usually encapsulated in a js. On the Druid main page, press F12, and you can see that th ...

Spring boot + AOP mode for multi data source switching Overall design idea: spring boot + AOP mode realizes multi data source switching, inherits AbstractRoutingDataSource to achieve dynamic data source acquisition, and uses annotation to specify data source in service layer. I. multi data source configuration In application.properties, our ...