核心配置类

import javax.sql.DataSource;import org.springframework.boot.autoconfigure.jdbc.DataSourceProperties;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.util.StringUtils;import com.zaxxer.hikari.HikariDataSource;@Configuration
public class DataSourceConfig {@Primary@Bean(name = "hikariDataSourceProperties")@ConfigurationProperties(prefix = "spring.datasource.datasource2")public DataSourceProperties hikariDataSourceProperties() {return new DataSourceProperties();}@Bean(name = "hikariDataSource")@ConfigurationProperties(prefix = "spring.datasource.datasource1")public DataSource hikariDataSource() {DataSourceProperties properties =  this.hikariDataSourceProperties();return createHikariDataSource(properties);}private static HikariDataSource createHikariDataSource(DataSourceProperties properties) {// 创建 HikariDataSource 对象HikariDataSource dataSource = properties.initializeDataSourceBuilder().type(HikariDataSource.class).build();// 设置线程池名if (StringUtils.hasText(properties.getName())) {dataSource.setPoolName(properties.getName());}return dataSource;}}

基础配置

spring:datasource:params: useSSL=false&useUnicode=true&characterEncoding=UTF-8&autoReconnect=true&allowMultiQueries=true&zeroDateTimeBehavior=convertToNull&allowMultiQueries=true&serverTimezone=GMT%2B8datasource1:url: jdbc:mysql://ip:port/db_name?${spring.datasource.params}username: db_userpassword: db_pwddriver-class-name: com.mysql.cj.jdbc.Driver#driver-class-name: com.mysql.jdbc.Driverhikari:max-lifetime: 18000connection-timeout: 10000idle-timeout: 3600000min-idle: 4max-pool-size: 12minimum-idle: 20datasource2:url: jdbc:mysql://ip:port/db_name?${spring.datasource.params}username: db_userpassword: db_pwddriver-class-name: com.mysql.cj.jdbc.Driver#driver-class-name: com.mysql.jdbc.Driverhikari:max-lifetime: 18000connection-timeout: 10000idle-timeout: 3600000min-idle: 4max-pool-size: 12minimum-idle: 20