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¡¡¡¡1¡¢ÑÝʾ±íµÄ½á¹¹£º
¡¡¡¡¡¡±íÃû£ºmybbslist
¡¡¡¡¡¡×Ö¶Î ¡¡¡¡¡¡¡¡Êý¾ÝÀàÐÍ¡¡¡¡ËµÃ÷
¡¡¡¡¡¡BBSID¡¡¡¡¡¡¡¡×Ô¶¯±àºÅ ¡¡
¡¡¡¡¡¡RootID ¡¡¡¡¡¡Int¡¡¡¡¡¡¡¡ ¸ùÌûID£¬±¾ÉíΪ¸ùÌûÔòRootID = ID
¡¡¡¡¡¡FID¡¡¡¡¡¡¡¡¡¡Int ¡¡¡¡¡¡¡¡¸¸ÌûID£¬ÉÏÒ»²ãÌû×ÓµÄID£¬ÈçÊǸùÌûÔòFID = 0
¡¡¡¡¡¡DEPTH¡¡¡¡¡¡¡¡Int ¡¡¡¡¡¡¡¡¸ùÌûLevel=0£¬ÆäËûÒÀ¾Ý»Ø¸´µÄÉî¶ÈµÝÔö
¡¡¡¡¡¡BBSSubject ¡¡Char¡¡¡¡¡¡¡¡Ö÷Ìâ
¡¡¡¡2¡£´´½¨±í£º
create table mybbslist (
¡¡forumID int(20) not null,
¡¡bbsID int auto_increment primary key,
¡¡rootid int(20) not null,
¡¡fid int(20) not null,
¡¡depth int(20) not null,
¡¡userID int(20) not null,
¡¡bbsUser varchar(24) not null,
¡¡bbsSubject varchar(100) not null,
¡¡bbsContent text,
¡¡bbsTime varchar(30),
¡¡bbsRead int(20),
¡¡bbsReply int(20),
INDEX forumID (forumID))
¡¡¡¡3¡¢Á¬½ÓMySQLÊý¾Ý¿âµÄBEAN
package netzero;
import Java.sql.*;
public class mydb
{
String driverName = "org.gjt.mm.MySQL.Driver";
Connection conn = null;
Statement stmt = null;
ResultSet rs = null;
String connURL= "jdbc:MySQL://localhost/mybbs?user=root&password=how&useUnicode=true&characterEncode=8859_1";
//String connURL= "jdbc:MySQL://localhost/netzerobbs?user=root&password=how";
public mydb()
{
try
{
Class.forName(driverName);
}
catch (Java.lang.ClassNotFoundException e)
{
System.err.println("netzero(String): " + e.getMessage());
}
}
public ResultSet executeQuery(String sql) throws SQLException
{
conn = DriverManager.getConnection(connURL);
stmt = conn.createStatement();
rs = stmt.executeQuery(sql);
return rs;
}
public boolean closeConn()
{
try
{
if (rs!=null) rs.close();
if (stmt!=null) stmt.close();
if (conn!=null) conn.close();
return true;
}
catch ( SQLException ex )
{
System.err.println("closeConn: "


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