9-16 数据库连接池关闭

src/main/java/com/example/demo/config/Mysql1DataSourceConfig.java

@@ -21,7 +21,20 @@ public class Mysql1DataSourceConfig {
 @Bean(name = "mysql1DataSource")
 @ConfigurationProperties(prefix = "spring.datasource.mysql1")
 public DataSource mysql1DataSource() {
-    return DataSourceBuilder.create().type(HikariDataSource.class).build();
+
+    // 1. 先用 builder 创建出来
+    HikariDataSource ds = DataSourceBuilder
+            .create()
+            .type(HikariDataSource.class)
+            .build();          // 这里已经把 yml 里的 url/username/password 装好了
+
+    // 2. 再补连接初始化 SQL（每次拿到连接自动执行）
+    ds.setConnectionInitSql(
+            "SET SESSION profiling=0,long_query_time=10,sql_mode='TRADITIONAL';");
+
+    // 3. 如有需要还可继续补 ds.setMaximumPoolSize() 等
+    return ds;
+    // return DataSourceBuilder.create().type(HikariDataSource.class).build();
 }
     @Bean(name = "mysql1SqlSessionFactory")
 //    @Primary

src/main/java/com/example/demo/serviceImpl/coin/StatisticsServiceImpl.java

@@ -8,6 +8,7 @@ import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 import java.time.LocalDate;
 import java.time.LocalTime;
@@ -35,6 +36,7 @@ public class StatisticsServiceImpl implements StatisticsService {
         */
     @Override
    // @Scheduled(cron = "0 4 * * * ?") // 每小时执行一次
+    @Transactional(rollbackFor = Exception.class)   // 1. 开启事务
     public void runHourlyTaskPart1() {
         LocalDate  today = LocalDate.now();   //取当天日期
         List<Statistics> list = statisticsMapper.listPart1All(today);
@@ -42,6 +44,8 @@ public class StatisticsServiceImpl implements StatisticsService {
         if (!list.isEmpty()) {
             statisticsMapper.batchInsertPart1(list);
         }
+        // 2. 日志验证连接已归还
+        log.info("=== Part1 done, tx commit, connection will be closed by Spring ===");
     }
 
     /*
@@ -49,6 +53,7 @@ public class StatisticsServiceImpl implements StatisticsService {
          */
     @Override
     //@Scheduled(cron = "0 8 * * * ?") // 每小时执行一次
+    @Transactional(rollbackFor = Exception.class)   // 1. 开启事务
     public void runHourlyTaskPart2() {
         //设定起止时间 当天00：00：00至23：59：59
         LocalDate today = LocalDate.now();
@@ -61,6 +66,9 @@ public class StatisticsServiceImpl implements StatisticsService {
           if (!list.isEmpty()) {
             statisticsMapper.batchInsertPart2(list);
         }
+        // 2. 日志验证连接已归还
+        log.info("=== Part1 done, tx commit, connection will be closed by Spring ===");
+
 
 
     }
@@ -69,6 +77,7 @@ public class StatisticsServiceImpl implements StatisticsService {
      */
     @Override
     //@Scheduled(cron = "0 12 * * * ?") // 每小时执行一次
+    @Transactional(rollbackFor = Exception.class)   // 1. 开启事务
     public void runHourlyTaskYear() {
         LocalDate today = LocalDate.now();
         LocalDate firstDay = today.withDayOfYear(1);
@@ -81,6 +90,9 @@ public class StatisticsServiceImpl implements StatisticsService {
         if (!list.isEmpty()) {
             statisticsMapper.batchInsertYear(list);
         }
+        // 2. 日志验证连接已归还
+        log.info("=== Part1 done, tx commit, connection will be closed by Spring ===");
+
 
     }
 
@@ -89,11 +101,15 @@ public class StatisticsServiceImpl implements StatisticsService {
      */
     @Override
     //@Scheduled(cron = "0 30 0 * * ?") // 修改为每天 00:30 执行
+    @Transactional(rollbackFor = Exception.class)   // 1. 开启事务
     public void runDailyTaskPart2() {
         List<Statistics> list = statisticsMapper.listPart2RangeAll();
         if (!list.isEmpty()) {
             statisticsMapper.batchInsertPart2(list);
         }
+        // 2. 日志验证连接已归还
+        log.info("=== Part1 done, tx commit, connection will be closed by Spring ===");
+
     }
 
 }

src/main/resources/application-prod.yml

@@ -9,6 +9,7 @@ spring:
       password: aDiw7MERSATdfGta
       driver-class-name: com.mysql.cj.jdbc.Driver
       hikari:
+        auto-commit: false
         pool-name: mysql1HikariCP
         maximum-pool-size: 10
     mysql2:

src/main/resources/application.yml

@@ -28,7 +28,7 @@ mybatis:
     mysql3:
       map-underscore-to-camel-case: true
 #      log-impl: org.apache.ibatis.logging.stdout.StdOutImpl
-
+    default-executor-type: reuse
 upload:
   path: D:\upload