路虽远行则将至，事虽难做则必成

Statement用法:String sql = "select seq_orderdetailid.nextval as test dual";Statement stat1=conn.createStatement();ResultSet rs1 = stat1.executeQuery(sql);if ( rs1.next() ) { id = rs1.getLong(1

package com.enhance.jdbc;import java.io.FileInputStream;import java.sql.Connection;import java.sql.DriverManager;import java.sql.PreparedStatement;import java.sql.ResultSet;import java.s