xinxilurubean.java

选排课系统功能的设计上

package com.bean;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import com.util.*;

public class XinxiluruBean {
	Connection conn = null;
	Statement st = null;
	ResultSet rs = null;
	
	public void banjiluru(String banjiming,String nianji,String renshu,String zhuanye){
		conn = DBConn.getConn();
		try {
			st = conn.createStatement();
			rs = st.executeQuery("select max(banjiid) from banji");
			rs.next();
			int id = rs.getInt(1);
			st.executeUpdate("insert into banji(banjiid,banji,nianji,renshu,zhuanyeid) values("+(id+1)+",'"+banjiming+"','"+nianji+"','"+renshu+"','"+zhuanye+"')");
		} catch (SQLException e) {
			e.printStackTrace();
		} finally {
			DBConn.close(conn,st,rs);
		}
	}
	
	public void xueshengluru(String xuehao,String xingming,String banji){
		conn = DBConn.getConn();
		try {
			st = conn.createStatement();
			st.executeUpdate("insert into xuesheng(xueshengid,xingming,banjiid) values('"+xuehao+"','"+xingming+"','"+banji+"')");
		} catch (SQLException e) {
			e.printStackTrace();
		} finally {
			DBConn.close(conn,st,rs);
		}
	}
	
	public void qingkuangluru(String xueshengid,String kecheng,String xuefen,String feiyong){
		conn = DBConn.getConn();
		try {
			st = conn.createStatement();
			rs = st.executeQuery("select max(xueshengkechengid) from xueshengkecheng");
			rs.next();
			int id = rs.getInt(1);
			st.executeUpdate("insert into xueshengkecheng(xueshengkechengid,xueshengid,kechengid,xuefen,feiyong) values("+(id+1)+",'"+xueshengid+"','"+kecheng+"','"+xuefen+"','"+feiyong+"')");
		} catch (SQLException e) {
			e.printStackTrace();
		} finally {
			DBConn.close(conn,st,rs);
		}
	}
	
	public void zhuanyeluru(String zhuanyeming){
		conn = DBConn.getConn();
		try {
			st = conn.createStatement();
			rs = st.executeQuery("select max(zhuanyeid) from zhuanye");
			rs.next();
			int id = rs.getInt(1);
			st.executeUpdate("insert into zhuanye(zhuanyeid,zhuanye) values("+(id+1)+",'"+zhuanyeming+"')");
		} catch (SQLException e) {
			e.printStackTrace();
		} finally {
			DBConn.close(conn,st,rs);
		}
	}
}