配置数据库连接信息:在项目的配置文件(如application.properties或application.yml)中,添加以下配置信息,以指定PostgreSQL数据库的连接参数:spring.datasource.url=jdbc:postgresql://localhost:5432/数据库名 spring.datasource.username=用户名 spring.datasource.password=密码 spring.datasource.driver-class-name=org.post...
// 1.加载驱动 Class.forName("com.mysql.jdbc.Driver"); // 2.建立连接 Connection con= DriverManager.getConnection("jdbc:mysql://localhost:3306/db_xiaoli","root","123456"); // 3.预处理sql语句 // 查询出最近写的10篇博客的标题及摘要,展示到控制台 PreparedStatement pst=con.prepareStatement("sel...
org.postgresql.Driver:此参数用于加载PostgreSQL的驱动程序,需要相应的JDBC库支持。jdbc:postgresql://localhost:5432/School:这是连接PostgreSQL数据库的URL,其中School为数据库名称,localhost表示本地服务器,5432为默认端口号。username和password:用于认证访问数据库的用户账号和密码。默认情况下,用户账号...
2.PostgreSQL JDBC Driver5,419usages org.postgresql»postgresqlBSD PostgreSQL JDBC Driver Postgresql Last Release on Jan 14, 2025 3.Apache Derby Database Engine and Embedded JDBC Driver2,195usages org.apache.derby»derbyApache Contains the core Apache Derby database engine, which also includes the...
JDBC信息: # jdbc连接信息 driver=org.postgresql.Driver url=jdbc:postgresql://10.168.x.x:5432/postgres_db username=postgre password=postgre 1. 2. 3. 4. 5. MySql JDBC包Maven源: <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> ...
Class.forName("org.postgresql.Driver"); c=DriverManager.getConnection("jdbc:postgresql://192.168.1.132:5432/xui","xui","xui"); c.setAutoCommit(false); System.out.println("连接数据库成功!"); stmt=c.createStatement(); ResultSet rs= stmt.executeQuery("select * from users");while(rs.next()...
hibernate.dialect=org.hibernate.dialect.PostgreSQLDialect hibernate.connection.driver_class=org.postgresql.Driver hibernate.connection.url=jdbc:postgresql://localhost/trailshibernate.connection.username=postgreshibernate.connection.password=postgres hibernate.hbm2ddl.auto=update ...
Class.forName("oracle.jdbc.driver.OracleDriver");//加载数据库驱动String url = "jdbc:oracle:thin:@172.1.0.0:1521:orcl";//连接URLString username = "admin"; String password= "123456"; Connection connection=DriverManager.getConnection(url, username, password);returnconnection; ...
- org.postgresql.Driver,该参数需要jar包,通过maven配置更加简单。 - jdbc:postgresql://localhost:5432/School,连接的本地postgreSQL,School是数据库名称 - user和passwd自然不用说,配置PG的时候自然会设置,默认user为postgres importjava.sql.*;publicclassPostgreSQLJDBC{publicstaticvoidmain(Stringargs[]){Connection...
例如,JDBC 驱动实现依赖,其在编译时只需 JDK 提供的 JDBC 接口即可,只有测试、运行阶段才需要实现了...