usermanager.java

关于商品的进、销、存管理系统

package supercms;
import superdb.*;
import java.sql.*;
import java.util.*;
/*
 * 完成对用户的管理权限
 * */
public class UserManager {

	private SuperDBConn sdb;
	private SuperInfoManager sim;
	private Statement stmt;
	public UserManager()
	{
		sdb=new SuperDBConn();
		sim=new SuperInfoManager(sdb.getConn());
		stmt=sim.getStmt();
		
	}
	public boolean selectUser(String username,String password)
	{
		boolean user=false;
		String sql="SELECT * from user where username='"+username+"' and password='"+password+"'";
		try
		{
		ResultSet rs=stmt.executeQuery(sql);
		if(rs.next())
		{
			user=true;
		}
		}catch(Exception e)
		{
			
		}
		return user;
	}

	
}