c3p0连接池获取数据库连接

c3p0连接池获取数据库连接

• 导入jar包

      <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>8.0.11</version>
      </dependency>
  ​
      <!-- https://mvnrepository.com/artifact/com.mchange/c3p0 -->
      <dependency>
        <groupId>com.mchange</groupId>
        <artifactId>c3p0</artifactId>
        <version>0.9.5.2</version>
      </dependency>

• 导入配置文件（src路径下）：c3p0-config.xml

• 获取数据库连接

  @Test
      public void c3p0test() throws SQLException {
          //获取数据源
          DataSource dataSource = new ComboPooledDataSource();
          //获取数据库连接
          Connection connection=dataSource.getConnection();
          
          System.out.println(connection);
      }

•