标准示例
importjava.sql.*; publicclass TestMySQLConn { /** * @param args */ publicstatic void main(String[] args) { Connectionconn = null; Statementstmt = null; ResultSetrs = null; try{ Class.forName("com.mysql.jdbc.Driver"); conn= DriverManager.getConnection("jdbc:mysql://localhost/mydata?" +"user=root&password=root"); stmt= conn.createStatement(); rs= stmt.executeQuery("select * from dept"); while(rs.next()) { System.out.println(rs.getString("deptno")); } }catch (SQLException ex) { System.out.println("SQLException:" + ex.getMessage()); System.out.println("SQLState:" + ex.getSQLState()); System.out.println("VendorError:" + ex.getErrorCode()); }catch (Exception ex) { ex.printStackTrace(); }finally { try{ if(rs != null) { rs.close(); rs= null; } if(stmt != null) { stmt.close(); stmt= null; } if(conn != null) { conn.close(); conn= null; } }catch (SQLException e) { e.printStackTrace(); } } } }