member_dao.java

这个程序是花了好几十万请人开发的

/**
/**
 * @author 郑文金
 *这个类定义的是 会员表的数据库访问对象
 * 
 * 
 */
package javabean;
import java.sql.*;
import java.util.Vector;
public class Member_dao 
{
	public  Connection con=null;
	public  ResultSet rs;
	public Statement sql=null;
	private ConnectionPool pool;
	
	public Member_dao(Connection con)
	{
		this.con=con;
	}
	
	public String  update(String s)
	{
		String msg;
		try
		{	
			
			Statement sql = con.createStatement();
			sql.executeUpdate(s);
			msg="success";
		}
		catch(SQLException e)
		{
			System.err.println(e.getMessage());
			msg="failure";
		}
		return msg;
	}
	
	public ResultSet query(String s)
	{
		try
		{				
			Statement sql = con.createStatement();
			rs=sql.executeQuery(s);		
		}
		catch(SQLException e)
		{
			System.err.println(e.getMessage());
		}
		return rs;
		
	}

		public Vector memberquery(int code,int pagesize,String str)//分页显示查找到的会员结果
		{
			int count=pagesize;
			Vector vec=new Vector();
			CodeString codestring=new CodeString();
			try{
				sql=con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_READ_ONLY);
				rs=sql.executeQuery(str);
				rs.absolute((code-1)*pagesize+1);
				while(count>0)
				{
					String company=rs.getString("COMPANY").trim();
					if(company.length()>6)
						company=company.substring(0,6)+"...";
						
					Member member=new Member();
					member.setID(rs.getInt("ID"));
					member.setUUID(rs.getString("UUID"));
					member.setPWD(rs.getString("PWD"));
					member.setEMAIL(rs.getString("EMAIL"));
					member.setFABU(rs.getInt("FABU"));
					member.setTIMES(rs.getInt("TIMES"));
					member.setRNAME(rs.getString("RNAME"));
					member.setDate1(rs.getString("Date1"));
					member.setUSER_PROVINCE(rs.getString("USER_PROVINCE"));
					member.setUSER_POST_CODE(rs.getString("USER_POST_CODE"));
					member.setUSER_CITY(rs.getString("USER_CITY"));
					member.setUSER_HOMEPH(rs.getString("USER_HOMEPH"));
					member.setUSER_OFFICEPH(rs.getString("USER_OFFICEPH"));
					member.setUSER_MOBILEPH(rs.getString("USER_MOBILEPH"));
					member.setUSER_ADDRESS(rs.getString("USER_ADDRESS"));					
					member.setSEX(rs.getString("SEX"));
					member.setCOMPANY(company);
					member.setQUESTION(rs.getString("QUESTION"));
					member.setANSWER(rs.getString("ANSWER"));
					member.setHOMEPAGE(rs.getString("HOMEPAGE"));					   								
					vec.add(member);
					count--;
					if(!rs.next())
						break;
				}
				if(rs!=null)
					rs.close();
			}
			catch(SQLException e){return null;}
			return vec;
		}	
		
	public Member showdetials(String s)//返回一个实体，用于保存用户的详细信息
	{
		Member member=new Member();
		try
		{
			rs=query(s);			
			while(rs.next())
			{
				
				member.setID(rs.getInt(1));
				member.setUUID(rs.getString("UUID"));
				member.setRNAME(rs.getString("RNAME"));
				member.setCOMPANY(rs.getString("COMPANY"));
				member.setUSER_ADDRESS(rs.getString("USER_ADDRESS"));
				member.setUSER_POST_CODE(rs.getString("USER_POST_CODE"));
				member.setUSER_PROVINCE(rs.getString("USER_PROVINCE"));
				member.setUSER_CITY(rs.getString("USER_CITY"));
				member.setUSER_MOBILEPH(rs.getString("USER_MOBILEPH"));
				member.setUSER_HOMEPH(rs.getString("USER_HOMEPH"));
				member.setUSER_OFFICEPH(rs.getString("USER_OFFICEPH"));	
				member.setEMAIL(rs.getString("EMAIL"));		
				member.setHOMEPAGE(rs.getString("HOMEPAGE"));		
			}
		}
		catch(SQLException e)
		{
			System.err.println(e.getMessage());
		}
		return member;
	}
}