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perf: 连接池统一创建

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xiongxiaoyang 2025-03-19 10:04:54 +08:00
parent 82658f3b5f
commit 4b1507b2d1
1 changed files with 5 additions and 13 deletions
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18
novel-admin/src/main/java/com/java2nb/AdminApplication.java
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@ -1,6 +1,5 @@
package com.java2nb;
import com.zaxxer.hikari.HikariDataSource;
import lombok.extern.slf4j.Slf4j;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.CommandLineRunner;
@ -34,22 +33,15 @@ public class AdminApplication {
@Bean
public CommandLineRunner commandLineRunner(ApplicationContext ctx, DataSource dataSource) {
return args -> {
if (dataSource instanceof HikariDataSource) {
// 如果使用的是HikariDataSource，需要提前创建连接池，而不是在第一次访问数据库时才创建，提高第一次登录的速度
log.info("创建连接池...");
try (Connection connection = dataSource.getConnection()) {
HikariDataSource hikariDataSource = (HikariDataSource) dataSource;
log.info("最小空闲连接数：{}", hikariDataSource.getMinimumIdle());
log.info("最大连接数：{}", hikariDataSource.getMaximumPoolSize());
log.info("创建连接池完成.");
log.info("数据库：{}", connection.getMetaData().getDatabaseProductName());
log.info("数据库版本：{}", connection.getMetaData().getDatabaseProductVersion());
}
log.info("创建连接池...");
try (Connection connection = dataSource.getConnection()) {
log.info("创建连接池完成.");
log.info("数据库：{}", connection.getMetaData().getDatabaseProductName());
log.info("数据库版本：{}", connection.getMetaData().getDatabaseProductVersion());
}
log.info("项目启动啦，访问路径：{}",
"http://" + InetAddress.getLocalHost().getHostAddress() + ":" + ctx.getEnvironment()
.getProperty("server.port"));
};
}
}