ZhongWei_Old2/conf/hhwms/demo.java

package hhwms;

import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;

import com.mysql.jdbc.Connection;
import com.mysql.jdbc.Statement;
import org.apache.log4j.Logger;
public class demo {
	private static Logger logger = Logger.getLogger(demo.class); 
    public static void main(String[] args) throws ClassNotFoundException, SQLException {
    	//1.注册数据库驱动
    	Class.forName("com.mysql.jdbc.Driver");
    	Connection conn= (Connection) DriverManager.getConnection("jdbc:mysql://47.100.54.81:53306/lptwms?useUnicode=true&characterEncoding=utf-8&useSSL=true","root","Youchain@56");
        Statement stat=(Statement) conn.createStatement();
        String sql=" select GROUP_CONCAT(a.ID) as pickIds ,count(a.ID),a.it "
        		+ " from (select pt.ID,GROUP_CONCAT(i.ID) as 'it' from pick_ticket pt	"
        		+ " left join pick_ticket_detail ptd on pt.ID=ptd.PICK_TICKET_ID	"
        		+ " left join item i on i.ID=ptd.ITEM_ID	"
        		+ " where i.ISBOM='T'	"
        		+ " and pt.`STATUS`='OPEN'	"
        		+ " GROUP BY pt.ID	"
        		+ " ORDER BY i.ID ASC) as a	GROUP BY a.it ";
        ResultSet rs=stat.executeQuery(sql);
        while (rs.next()){
            String id=rs.getString("pickIds");
            logger.info(id);
        }
        rs.close();
        stat.close();
        conn.close();
    }
}