电商后台项目需要访问的数据源
多数据源方法(读写分离)
方法1:jdk自带的dynamicdatasource
方法2:Mybatis 方式
方法3:dynamicdatasource框架
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid-spring-boot-starter</artifactId>
<version>1.2.3</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-aop</artifactId>
</dependency>
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>dynamic-datasource-spring-boot-starter</artifactId>
<version>3.5.0</version>
</dependency>
spring:
datasource:
dynamic:
primary: master
strict: false
datasource:
master:
url: jdbc:mysql://127.0.0.1:3306/datasource1?serverTimezone=UTC&useUnicode=true&characterEncoding=UTF8&useSSL=false
username: root
password: 123456
initial-size: 1
min-idle: 1
max-active: 20
test-on-borrow: true
driver-class-name: com.mysql.cj.jdbc.Driver
slave_1:
url: jdbc:mysql://127.0.0.1:3306/datasource2?serverTimezone=UTC&useUnicode=true&characterEncoding=UTF8&useSSL=false
username: root
password: root
initial-size: 1
min-idle: 1
max-active: 20
test-on-borrow: true
driver-class-name: com.mysql.cj.jdbc.Driver
@GetMapping(value = "select")
@DS("slave_1")
public List<Friend> select(){
return friendService.list();
}
@GetMapping(value = "insert")
@DS("master")
public void in(){
Friend friend = new Friend();
friend.setName("loulan");
friendService.save(friend);
}