简单地说,JDBC 可做三件事:与数据库建立连接、发送 SQL 语句并处理结果。下列代码段给出了以上三步的基本示例: Connection con = DriverManager.getConnection("jdbc:odbc:wombat","login", "password"); Statement stmt = con.createStatement(); ResultSet rs = stmt.executeQuery("SELECT a, b, c FROM Table1"); while (rs.next()) { int x = rs.getInt("a"); String s = rs.getString("b"); float f = rs.getFloat("c"); }