selectgoodsid.java~1~

来自「超市管理系统 运行环境JDK1.4以上 JB2006 源代码公开」· JAVA~1~ 代码 · 共 22 行

package com.aptech.classmarket;

import com.aptech.connection.*;
import java.sql.*;

public class Selectgoodsid {
    public boolean select(Goods j){
        Jdbc jj=new Jdbc();
        Connection con=jj.jdbcodbc();
        boolean flag=false;
        PreparedStatement ps = con.prepareStatement("select * from goods where goodsid=?");
        ps.setString(1,j.goodsid);
        ResultSet rs = ps.executeQuery();
        while(rs.next()){
            flag=true;
        }
        return flag;
    }
    public static void main(String[] args) {
        
    }
}