spring 项目升级到spring cloud记录 数据源配置
- 用的阿里的数据源 增加pom
<dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.1.6</version> </dependency>
- application.yml配置
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spring: datasource: type: com.alibaba.druid.pool.DruidDataSource url: jdbc:oracle:thin:@(DESCRIPTION =(ADDRESS_LIST =(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.167)(PORT = 1521))(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.168)(PORT = 1521))(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.169)(PORT = 1521))(LOAD_BALANCE = ON)(FAILOVER =ON))(CONNECT_DATA = (SERVER = DEDICATED)(INSTANCE_ROLE = ANY)(FAILOVER_MODE = (TYPE = SELECT)(METHOD = BASIC))(SERVICE_NAME = devdb))) username: mis password: mis driver: oracle.jdbc.OracleDriver # 初始化大小,最小,最大 initialSize: 5 minIdle: 5 maxActive: 20 # 配置获取连接等待超时的时间 maxWait: 600000 # 配置间隔多久才进行一次检测,检测需要关闭的空闲连接,单位是毫秒 timeBetweenEvictionRunsMillis: 60000 # 配置一个连接在池中最小生存的时间,单位是毫秒 minEvictableIdleTimeMillis: 300000 validationQuery: SELECT 1 FROM DUAL #建议配置为true,不影响性能,并且保证安全性。申请连接的时候检测,如果空闲时间大于timeBetweenEvictionRunsMillis,执行validationQuery检测连接是否有效。 testWhileIdle: true #申请连接时执行validationQuery检测连接是否有效,做了这个配置会降低性能。 testOnBorrow: false #归还连接时执行validationQuery检测连接是否有效,做了这个配置会降低性能。 testOnReturn: false # 是否缓存preparedStatement,也就是PSCache。PSCache对支持游标的数据库性能提升巨大,比如说oracle。 poolPreparedStatements: true #要启用PSCache,必须配置大于0,当大于0时,poolPreparedStatements自动触发修改为true。在Druid中,不会存在Oracle下PSCache占用内存过多的问题,可以把这个数值配置大一些,比如说100 maxPoolPreparedStatementPerConnectionSize: 20
- 配置类
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package com.guige.core.conf; import com.alibaba.druid.filter.Filter; import com.alibaba.druid.filter.stat.StatFilter; import com.alibaba.druid.pool.DruidDataSource; import com.alibaba.druid.support.http.StatViewServlet; import com.alibaba.druid.support.http.WebStatFilter; import com.alibaba.druid.wall.WallConfig; import com.alibaba.druid.wall.WallFilter; import com.guige.core.ext.base.dao.JDBCDao; import org.springframework.beans.factory.annotation.Value; import org.springframework.boot.context.properties.ConfigurationProperties; import org.springframework.boot.web.servlet.FilterRegistrationBean; import org.springframework.boot.web.servlet.ServletRegistrationBean; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.Primary; import org.springframework.core.io.ClassPathResource; import org.springframework.core.io.support.PathMatchingResourcePatternResolver; import org.springframework.core.io.support.ResourcePatternResolver; import org.springframework.jdbc.core.JdbcTemplate; import org.springframework.jdbc.datasource.DataSourceTransactionManager; import org.springframework.jdbc.support.lob.DefaultLobHandler; import org.springframework.orm.ibatis.SqlMapClientFactoryBean; import org.springframework.stereotype.Component; import org.springframework.transaction.PlatformTransactionManager; import org.springframework.transaction.annotation.EnableTransactionManagement; import org.springframework.transaction.annotation.TransactionManagementConfigurer; import javax.sql.DataSource; import java.sql.SQLException; import java.util.ArrayList; import java.util.List; import java.util.Properties; @Component @Configuration @EnableTransactionManagement public class DataSourceConfig implements TransactionManagementConfigurer { @Value("${spring.datasource.url:#{null}}") private String dbUrl; @Value("${spring.datasource.username: #{null}}") private String username; @Value("${spring.datasource.password:#{null}}") private String password; @Value("${spring.datasource.driverClassName:#{null}}") private String driverClassName; @Value("${spring.datasource.initialSize:#{null}}") private Integer initialSize; @Value("${spring.datasource.minIdle:#{null}}") private Integer minIdle; @Value("${spring.datasource.maxActive:#{null}}") private Integer maxActive; @Value("${spring.datasource.maxWait:#{null}}") private Integer maxWait; @Value("${spring.datasource.timeBetweenEvictionRunsMillis:#{null}}") private Integer timeBetweenEvictionRunsMillis; @Value("${spring.datasource.minEvictableIdleTimeMillis:#{null}}") private Integer minEvictableIdleTimeMillis; @Value("${spring.datasource.validationQuery:#{null}}") private String validationQuery; @Value("${spring.datasource.testWhileIdle:#{null}}") private Boolean testWhileIdle; @Value("${spring.datasource.testOnBorrow:#{null}}") private Boolean testOnBorrow; @Value("${spring.datasource.testOnReturn:#{null}}") private Boolean testOnReturn; @Value("${spring.datasource.poolPreparedStatements:#{null}}") private Boolean poolPreparedStatements; @Value("${spring.datasource.maxPoolPreparedStatementPerConnectionSize:#{null}}") private Integer maxPoolPreparedStatementPerConnectionSize; @Value("${spring.datasource.filters:#{null}}") private String filters; @Value("{spring.datasource.connectionProperties:#{null}}") private String connectionProperties; @Bean @Primary public DataSource dataSource(){ DruidDataSource datasource = new DruidDataSource(); datasource.setUrl(this.dbUrl); datasource.setUsername(username); datasource.setPassword(password); datasource.setDriverClassName(driverClassName); //configuration if(initialSize != null) { datasource.setInitialSize(initialSize); } if(minIdle != null) { datasource.setMinIdle(minIdle); } if(maxActive != null) { datasource.setMaxActive(maxActive); } if(maxWait != null) { datasource.setMaxWait(maxWait); } if(timeBetweenEvictionRunsMillis != null) { datasource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis); } if(minEvictableIdleTimeMillis != null) { datasource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis); } if(validationQuery!=null) { datasource.setValidationQuery(validationQuery); } if(testWhileIdle != null) { datasource.setTestWhileIdle(testWhileIdle); } if(testOnBorrow != null) { datasource.setTestOnBorrow(testOnBorrow); } if(testOnReturn != null) { datasource.setTestOnReturn(testOnReturn); } if(poolPreparedStatements != null) { datasource.setPoolPreparedStatements(poolPreparedStatements); } if(maxPoolPreparedStatementPerConnectionSize != null) { datasource.setMaxPoolPreparedStatementPerConnectionSize(maxPoolPreparedStatementPerConnectionSize); } if(connectionProperties != null) { datasource.setConnectionProperties(connectionProperties); } List<Filter> filters = new ArrayList<>(); filters.add(statFilter()); filters.add(wallFilter()); datasource.setProxyFilters(filters); return datasource; } @Override public PlatformTransactionManager annotationDrivenTransactionManager() { return new DataSourceTransactionManager(dataSource()); } //阿里druid界面设置 @Bean public FilterRegistrationBean webStatFilterRegistrationBean() { FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean(); filterRegistrationBean.setFilter(new WebStatFilter()); filterRegistrationBean.addUrlPatterns("/*"); filterRegistrationBean.addInitParameter("exclusions", "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*"); return filterRegistrationBean; } //阿里druid界面设置 @Bean public ServletRegistrationBean statViewServlet() { ServletRegistrationBean reg = new ServletRegistrationBean(); reg.setServlet(new StatViewServlet()); reg.addUrlMappings("/druid/*"); reg.addInitParameter("loginUsername", "111"); reg.addInitParameter("loginPassword", "111#123"); return reg; } @Bean public WallFilter wallFilter(){ WallFilter wallFilter = new WallFilter(); wallFilter.setDbType("oracle"); WallConfig wallConfig = new WallConfig(); wallConfig.setFunctionCheck(false); wallConfig.setSelectUnionCheck(false); wallConfig.setMultiStatementAllow(true); wallFilter.setConfig(wallConfig); return wallFilter; } @Bean public StatFilter statFilter(){ StatFilter statFilter = new StatFilter(); statFilter.setLogSlowSql(true); //slowSqlMillis用来配置SQL慢的标准,执行时间超过slowSqlMillis的就是慢。 statFilter.setMergeSql(true); //SQL合并配置 statFilter.setSlowSqlMillis(1000);//slowSqlMillis的缺省值为3000,也就是3秒。 return statFilter; } }
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