SpringBoot+TkMybatis+Druid单数据源与多数据源配置
转载请注明出处:https://blog.youkuaiyun.com/superychen/article/details/89372540
环境与工具
开发工具:Intellij Idea
包管理工具:maven
JDK版本:1.8.0_201
SpringBoot版本:2.1.0.RELEASE
Druid版本:1.1.12
TkMybatis版本:1.0.5
第一步:使用idea创建springboot项目
第二步:先配置下pom,添加所有用到的依赖
<!--依赖配置-添加下面的依赖-->
<!--日志依赖-->
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j</artifactId>
<version>2.11.2</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-to-slf4j</artifactId>
<version>2.10.0</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.7.25</version>
</dependency>
<!--数据库依赖-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<!--druid-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.12</version>
</dependency>
<!--tk mybatis-->
<dependency>
<groupId>tk.mybatis</groupId>
<artifactId>mapper-spring-boot-starter</artifactId>
<version>2.0.4</version>
</dependency>
<!--分页-->
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper-spring-boot-starter</artifactId>
<version>1.2.10</version>
</dependency>
第三步:先配置下log4j
日志(^_−)☆
在resource
文件夹下创建log4j.properties
#日志文件路径
log.path.base=/data/log/demo
#log4j.rootLogger=等级,[appender名称],[appender名称]...
log4j.rootLogger=DALI_ROLLING_FILE,CONSOLE
#控制台输出日志:ConsoleAppender
log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
log4j.appender.CONSOLE.Threshold=DEBUG
log4j.appender.CONSOLE.Target=System.out
log4j.appender.CONSOLE.Encoding=UTF-8
log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
log4j.appender.CONSOLE.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss.SSS} %-5p [%l][%t]: %m%n
#文件按日回滚日志:DailyRollingFileAppender
log4j.appender.DALI_ROLLING_FILE=org.apache.log4j.DailyRollingFileAppender
log4j.appender.DALI_ROLLING_FILE.Threshold=DEBUG
log4j.appender.DALI_ROLLING_FILE.ImmediateFlush=true
log4j.appender.DALI_ROLLING_FILE.Append=true
log4j.appender.DALI_ROLLING_FILE.File=${log.path.base}/log.log
log4j.appender.DALI_ROLLING_FILE.layout=org.apache.log4j.PatternLayout
log4j.appender.DALI_ROLLING_FILE.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss.SSS} %-5p [%l][%t]: %m%n
第四步:TkMybatis
+Druid
单数据源配置
1.修改resource/application.properties
,添加数据源配置信息
demo.datasource.type=com.alibaba.druid.pool.DruidDataSource
demo.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
demo.datasource.url=jdbc:mysql://localhost:3306/demo
demo.datasource.username=root
demo.datasource.password=root
demo.datasource.maxActive:20
demo.datasource.initialSize:1
demo.datasource.maxWait:60000
demo.datasource.minIdle:1
demo.datasource.timeBetweenEvictionRunsMillis:60000
demo.datasource.minEvictableIdleTimeMillis:300000
demo.datasource.validationQuery:select 'x'
demo.datasource.testWhileIdle:true
demo.datasource.testOnBorrow:false
demo.datasource.testOnReturn:false
#如果是oracle 则可以设置为true 如果是mysql则设置false 分库分表较多的数据库,建议配置为false。
demo.datasource.poolPreparedStatements:false
demo.datasource.maxOpenPreparedStatements:20
2.新建config/datasource
包,并创建DemoDataSourceConfig
类
package com.superychen.demo.config.datasource;
import com.alibaba.druid.pool.DruidDataSource;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.springfr