spring cloud 配置阿里数据库连接池 druid的示例代码

spring cloud 配置阿里数据库连接池 druid的示例代码

1.配置pom

com.alibaba

druid

1.1.12

com.alibaba

jconsole

mIpIBIiqS

com.alibaba

tools

2.配置application.properties

#druid连接池

spring.datasource.type: com.alibaba.druid.pool.DruidDataSource

#最大活跃数

spring.datasource.maxActive: 20

#初始化数量

spring.datasource.initialSize: 1

#最大连接等待超时时间

spring.datasource.maxWait: 60000

#打开PSCache，并且指定每个连接PSCache的大小

spring.datasource.poolPreparedStatements: true

spring.datasource.maxPoolPreparedStatementPerConnectionSize: 20

#通过connectionProperties属性来打开mergeSql功能；慢SQL记录

#connectionProperties: druid.stat.mergeSql=true;druid.stat.slowSqlMillis=5000

spring.datasource.minIdle: 1

spring.datasource.timeBetweenEvictionRunsMillis: 60000

spring.datasource.minEvictableIdleTimeMillis: 300000

spring.datasource.validationQuery: select 1 from dual

spring.datasource.testWhileIdle: true

spring.datasource.testOnBorrow: false

spring.datasource.testOnReturn: false

#配置监控统计拦截的filters，去掉后监控界面sql将无法统计,'wall'用于防火墙

filters: stat, wall, log4j

3.Config配置类

/**

* 说明：第一数据源配置

* from：fhadmin.cn

*/

@Configuration

@MapperScan(basePackages = MasterDataSourceConfig.PACKAGE, sqlSessionFactoryRef = "masterSqlSessionFactory") //扫描 Mapper 接口并容器管理

public class MasterDataSourceConfig {

static final String PACKAGE = "org.fh.mapper.dsno1http://"; //master 目录

static final String MAPPER_LOCATION = "classpath:mybatis/dsno1/*/*.xml"; //扫描的 xml 目录

static final String CONFIG_LOCATION = "classpath:mybatis/dsno1/mybatis-config.xml"; //自定义的mybatis config 文件位置

static final String TYPE_ALIASES_PACKAGE = "org.fh.entity"; //扫描的 实体类 目录

@Value("${datasource.no1.url}")

private String url;

@Value("${datasource.no1.username}")

private String user;

@Value("${datasource.no1.password}")

private String password;

@Value("${datasource.no1.driver-class-name}")

private String driverClass;

@Bean(name = "masterDataSource")

@Primary

public DataSource masterDataSource() {

DruidDataSource dataSource = new DruidDataSource();

dataSource.setDriverClassName(driverClass);

dataSource.setUrl(url);

dataSource.setUsername(user);

dataSource.setPassword(password);

return dataSource;

}

@Bean(name = "masterTransactionManager")

public DataSourceTransactionManager masterTransactionManager() {

return new DataSourceTransactionManager(masterDataSource());

@Bean(name = "masterSqlSessionFactory")

public SqlSessionFactory masterSqlSessionFactory(@Qualifier("masterDataSource") DataSource masterDataSource)throws Exception {

final SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();

sessionFactory.setDataSource(masterDataSource);

sessionFactory.setMapperLocations(new PathMatchingResourcePatternResolver().getResources(MasterDataSourceConfig.MAPPER_LOCATION));

sessionFactory.setConfigLocation(new DefaultResourceLoader().getResource(MasterDataSourceConfig.CONFIG_LOCATION));

sessionFactory.setTypeAliasesPackage(MasterDataSourceConfig.TYPE_ALIASES_PACKAGE);

return sessionFactory.getObject();

}

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