CREATE TABLE IF NOT EXISTS `hr_employee` (
`id` smallint(5) unsigned NOT NULL auto_increment,
`name` varchar(20) NOT NULL default '',
`section_id` tinyint(3) unsigned NOT NULL default '0',
PRIMARY KEY (`id`),
) TYPE=MyISAM COMMENT='员工表';
CREATE TABLE IF NOT EXISTS `hr_section` (
`id` tinyint(3) unsigned NOT NULL auto_increment,
`name` varchar(20) NOT NULL default '',
PRIMARY KEY (`id`),
UNIQUE KEY `name` (`name`)
) TYPE=MyISAM COMMENT='部门表' ;
 
CREATE TABLE IF NOT EXISTS `hr_project` (
`id` smallint(5) unsigned NOT NULL auto_increment,
`name` varchar(60) NOT NULL default '',
`date` date NOT NULL default '0000-00-00',
PRIMARY KEY (`id`),
UNIQUE KEY `name` (`name`)
) TYPE=MyISAM COMMENT='项目表' ;
 
CREATE TABLE IF NOT EXISTS `hr_employee_project` (
`id` int(11) unsigned NOT NULL auto_increment,
`employee_id` smallint(5) unsigned NOT NULL default '0',
`project_id` smallint(5) unsigned NOT NULL default '0',
PRIMARY KEY (`id`),
UNIQUE KEY `employee_id` (`employee_id`,`project_id`)
) TYPE=MyISAM COMMENT='员工-项目表';

 [DB_DataObject]
 database = mysql://user:password@server/database 
 schema_location = /DataObjects
 class_location  = /DataObjects
 require_prefix  = /DataObjects/

<?php
   //注意设置好你的pear包含路径
   require_once 'd:/www/Pear/DB/DataObject/Generator.php';
   $config = parse_ini_file("D:\www\hr\DataObjects\DataObject.ini", true);
       $options = &PEAR::getStaticProperty('DB_DataObject','options');
   $options = $config['DB_DataObject'];
       if (!$options) {
       PEAR::raiseError("\n错误:无法读取ini文件\n\n", null, PEAR_ERROR_DIE);
       exit;   
       }
   set_time_limit(0);
   DB_DataObject::debugLevel(1);
   $generator = new DB_DataObject_Generator;
   $generator->start();
 ?>

 [hr_employee] section_id = hr_section:id 
[hr_employee_project] employee_id = hr_employee:id 
project_id = hr_training_project:id 
[hr_project] id = hr_employee:id

 <? 
//取单个表的数据
 $employee = new Hr_employee;
 $employee->name = '张三';
 $employee->find(ture);
 echo '员工'.$employee->name.'的职务是'.$employee->position.', ';
    //取多对一关系的数据
  $employee->getLinks();
   echo '工作部门是'.$employee->_section_id->name.'，';
   //取多对多关系的数据 echo '参加的项目包括';
 $e_p = new Hr_employee_project;
 $e_p->employee_id = $employee->id;
 $e_p->find();
 while ($e_p->fetch()) {   $project = $e_p->getLink('project_id');
    echo $project->name.'、';
 }
 echo '。'; 
?>

<?php 
$_DB[host] = 'localhost'; #数据库IP 
$_DB[user] = 'root'; #用户名 
$_DB[pass] = 'root'; #数据库密码 
$_DB[name] = 'yop';  #数据库名 
$_DB[type] = 'mysql'; #类型 
?>

<?php 
$db = &ADONewConnection($_DB[type]); 
$db ->Connect($_DB[host],$_DB[user],$_DB[pass],$_DB[name]); #adodb链接 
$tpl=new Smarty; 
$tpl->template_dir="./templates"; 
$tpl->compile_dir="./templates/templates_c"; 
$tpl->left_delimiter = '<{'; 
$tpl->right_delimiter = '}>'; 
?>

<?php 
include_once('./configs/config.inc.php'); #加载数据链接配置 
include_once('./adodb/adodb.inc.php');  #加载adodb数据类 
include_once('./smarty/Smarty.class.php'); #加载smarty模板类 
include_once('./smarty_adodb.inc.php'); #加载smarty及adodb类调用集合文件 
include_once('./dataclass/class_test.php'); #加载HOBBY数据类 
?>

<?php 
CREATE TABLE `test` ( 
 `id` int(10) unsigned NOT NULL auto_increment, 
 `name` varchar(20) NOT NULL default '', 
 `addtime` varchar(20) NOT NULL default '', 
 KEY `id` (`id`) 
)

<?php 
class Test { 
   function getTest_ByID($id) { 
       global $db; 
       if ( empty($id) ) { 
           return false; 
       } 
       $sql = "SELECT * FROM `Test` where ID='$id'"; 
       $result = $db->Execute($sql); 
       $data = $result->FetchRow(); 
       return $data; 
   } 
   function listTest($order='ID') { 
       global $db; 
       if( empty($order) ){ 
           $order = 'ID'; 
       } 
       $sql = "SELECT * FROM `Test` order by $order desc"; 
       $result = $db->Execute($sql); 
       $rs = array(); 
       while ( $data = $result->FetchRow() ) { 
           array_push($rs,$data); 
       } 
       return $rs; 
   } 
   function setTest($id='',$pairs,$work=''){ 
       global $db; 
       if(empty($id)){ 
           $sql = " insert into Test "; 
           $sql .= " ( " . join(array_keys($pairs),",") . " ) "; 
           $sql .= " values "; 
           $sql .= " ( "" . join(array_values($pairs),"","") . "" ) "; 
       }else{ 
           if($work=='update'){ 
               $sql = " $work Test "; 
               array_walk($pairs, create_function('&$value,&$name','$value = $name . "="" . $value . """; ') ); 
               $sql .= " set " . join(array_values($pairs),","); 
               $sql .= " where id=$id"; 
           }elseif($work=='delete'){ 
               $sql = "$work from Test where ID='$id'"; 
           }
       } 
       $result = $db->Execute($sql); 
       return $result; 
   } 
} 
?>

<?php 
include_once('./include.inc.php'); 
$test = new Test(); 
$rs = $test->listTest(); 
foreach ( $rs as $array ) { 
   $list[]=$array; 
   $tpl->assign("list",$list); 
} 
$tpl->display("test.htm"); 
$info=array("name"=>"无喱头","addtime"=>date("Y-m-d ")); 
$test->setTest('5',$info,'update'); 
?>

<?php 
<{section name=sec loop=$list}> 
<{$list[sec].name}> 
 
 
<{/section}>

<?php
 // The pear base directory must be in your include_path
 require_once 'DB.php';
 $user = 'foo';
 $pass = 'bar';
 $host = 'localhost';
 $db_name = 'clients_db';
 
 // Data Source Name: This is the universal connection string
 $dsn = "mysql://$user:$pass@$host/$db_name";
 
 // DB::connect will return a Pear DB object on success
 // or a Pear DB Error object on error
 // You can also set to TRUE the second param
 // if you want a persistent connection:
 // $db = DB::connect($dsn, true);
 $db = DB::connect($dsn);
 
 // With DB::isError you can differentiate between an error or
 // a valid connection.
 if (DB::isError($db)) {
         die ($db->getMessage());
 }
 ....
 // You can disconnect from the database with:
 $db->disconnect();
 ?>

<?php
 // Once you have a valid DB object
 ...
 $sql = "select * from clients";
 // If the query is a "SELECT", $db->query will return
 // a DB Result object on success.
 // Else it simply will return a DB_OK
 // On failure it will return a DB Error object.
 $result = $db->query($sql);
 // Always check that $result is not an error
 if (DB::isError($result)) {
         die ($result->getMessage());
 }
 ....
 ?>

<?php
 // Once you have a valid DB Result object
 ...
 // Get each row of data on each iteration until
 // there is no more rows
 while ($row = $result->fetchRow()) {
     $id = $row[0];
 }
 ?>

<?php
 ...
 while ($result->fetchInto($row)) {
     $id = $row[0];
 }
 ?>

<?php
 $res = $db->query('select id, name, email from users');
 $row = $res->fetchRow($mode);
 
 //With $mode = DB_FETCHMODE_ORDERED
 //The default behavior is to return an ordered array.
 $row = array (
     0 => <column "id" data>,
     1 => <column "name" data>,
     2 => <column "email" data>
 );
 
 $id = $row[0];
 
 //With $mode = DB_FETCHMODE_ASSOC
 //Returns an associative array with column names as array keys:
 $row = array (
     'id'    => <column "id" data>,
     'name'  => <column "name" data>,
     'email' => <column "email" data>
 );
 
 $id = $row['id'];
 
 //With $mode = DB_FETCHMODE_OBJECT
 //Returns a DB_row object with column names as properties:
 $row = db_row Object 
 (
     [id]    => <column "id" data>,
     [name]  => <column "name" data>,
     [email] => <column "email" data>
 )
 
 $id = $row->id;
 ?>

<?php
 ...
 // 1) Set the mode per call:
 while ($row = $result->fetchRow(DB_FETCHMODE_ASSOC)) {
     [..]
 }
 while ($result->fetchInto($row, DB_FETCHMODE_ASSOC)) {
     [..]
 }
 
 // 2) Set the mode for all calls:
 $db = DB::connect($dsn);
 // this will set a default fetchmode for this Pear DB instance
 // (for all queries)
 $db->setFetchMode(DB_FETCHMODE_ASSOC);
 $result = $db->query(...);
 while ($row = $result->fetchRow()) {
     $id = $row['id'];
 }
 ?>

<?php
 ...
 // the row to start fetching
 $from = 50;
 // how many results per page
 $res_per_page = 10;
 // the last row to fetch for this page
 $to = $from + $res_per_page;
 foreach (range($from, $to) as $rownum) {
     if (!$row = $res->fetchrow($fetchmode, $rownum)) {
         break;
     }
     $id = $row[0];
     ....
 }
 ?>

<?php
 ...
 $result = $db->query('SELECT * FROM clients');
 while ($row = $result->fetchRow()) {
     ...
 }
 $result->free();
 ?>

<?php
/*
 *　用于数据的的联接操作，采用Pear的DB来操纵数据库
 */
  require_once "DB.php";
  $user = 'root';//用户名
  $pass = '';//联连密码
  $host = 'localhost';//服务器名
  $db_name = 'db_name1';//数据库名
  $dsn = "mysql://$user:$pass@$host/$db_name";//
  $B_DB = DB::connect($dsn);//数据库连接操作
 
  if(DB::isError($B_DB)){
  //连接错误处理
    echo "An error occurred while trying to connect to the database server.
\n";
          echo "Error message: " . $B_DB->getMessage() . "
\n";
          echo "A more detailed error description: ";
          die($B_DB->getDebugInfo());
  }
?>

<?php<br />/*
***********************************************
*        BaseClass.php
*        Base Class of the DB Execute function
*        Version  : 1.0
*        Author   : zhxiyao (zhxiyao#gmail(dot)com)
*        Copyright: www.xixis.net
*        Writed   : 2007/07/20
*        Modified : -
***********************************************
* BaseClass作为数据库操作的基类
* 包含了大多数对数据库操作的方法
* 不要直接实例化本类，要通过继承的方法来使用
* 可以在子类中将个别方法复写以适应特定的表
***********************************************/
include_once("./conn.ini.php");
    class BC_BaseClass{
        var $BV_TableName; //对象表名在继承时负值
 
        var $BV_SelectByID;
        var $DelbyID;
        var $BV_Insert;   //继承时需负值
        var $BV_Update;   //继承时需负值
        var $Error;
 
        /*
            构造函数初始化成员变量
        */
        function __construct(){
                $this->BV_SelectByID = "select * from ".$this->BV_TableName." where ID=?";
                $this->BV_DelbyID = 'delete from '.$this->BV_TableName.' where ID = ?';
        }
 
        /*
            function  BF_SelectByID;
            参数: $ID
            查询ID为$ID的记录
            输出: 查询结果集 为Array
        */
        function BF_SelectByID($ID){
            global $B_DB;
            $array = $B_DB->query($this->BV_SelectByID,$ID);
            if (PEAR::isError($array)) {
                echo "数据库错误: "."\n";
                echo "错误信息: " . $array->getMessage() . "\n";
                echo "详细信息: " . $array->getDebugInfo() . "\n";
            }
 
                $array->fetchInto($row,DB_FETCHMODE_ASSOC);
 
                if (empty($row)) {
                        $this->Error = "没有相关的记录";
                        return;
                }
                return $row;
        }
        /*
            function  BF_SelectBySql;
            参数: $SQL
            查询SQL为$SQL的记录
            输出: 查询结果集 为Array
        */
        function BF_SelectBySql($SQL){
            global $B_DB;
            $result = $B_DB->query($SQL);
            if (DB::isError($result)) {
                $this->Error = $result->getMessage();
                return;
            }
                $rows = array();
            while($result->fetchInto($row,DB_FETCHMODE_ASSOC)){
                $rows[] = $row;
            }
            if (empty($rows)) {
                $this->Error = "无记录.";
                return;
            }
            return $rows;
        }
        /*
            function  BF_Insert;
            参数: $InsertArray
            插入SQL为$Array的记录
            输出: 结果集 为true 或者false
        */
 
        function BF_Insert($InsertArray){
            global $B_DB;
            $array = $B_DB->Prepare($this->BV_Insert);
            $result = $B_DB->execute($array,$InsertArray);
            if (PEAR::isError($result)) {
                echo "数据库错误: " .: "\n";
                echo "错误信息: " . $result->getMessage() . : "\n";
                echo "详细信息: " . $result->getDebugInfo() . "\n";
                return 0;
            }
            else return 1;
        }
        /*
            function  BF_Update;
            参数: $UpdateArray,$ID
            插入对象为$UpdateArray的记录
            输出: 结果集 为true 或者false
        */
        function BF_Update($UpdateArray,$ID){
            global $B_DB;
            $temp=array();
                $temp=$UpdateArray;
                $temp[]=$ID;
 
            $array = $B_DB->Prepare($this->BV_Update);
           $result = $B_DB->execute($array,$temp);
           if (PEAR::isError($result)) {
                echo "数据库错误: " .: "\n";
                echo "错误信息: " . $result->getMessage() . : "\n";
                echo "详细信息: " . $result->getDebugInfo() . "\n";
                return 0;
           }
           else return 1;
        }
        /*
            function  BF_DeleteByID;
            参数: $ID
            插入对象为$Array的记录
            输出: 结果集 为true 或者false
        */
        function BF_DeleteByID($ID){
                global $B_DB;
                $array = $B_DB->prepare($this->BV_DelbyID);
                $result = $B_DB->execute($array,$ID);
                if (DB::isError($result)) {
                        $this->Error = $result->getMessage();
                        echo "数据库错误: " .: "\n";
                	echo "错误信息: " . $result->getMessage() . : "\n";
                	echo "详细信息: " . $result->getDebugInfo() . "\n";
                        return 0;
                }
                else if (!$B_DB->affectedRows()!=0) {
                        $this->Error = '该记录不存在';
                        echo '该记录不存在';
                        return 0;
                }
                else return 1;
    }
    }
 
?>

CREATE TABLE `test` (
  `ID` int(11) NOT NULL AUTO_INCREMENT,
  `Name` int(11) DEFAULT NULL,
  `Bak1` varchar(30) DEFAULT NULL,
  `Bak2` varchar(30) DEFAULT NULL,
  PRIMARY KEY  (`ID`)
) TYPE=MyISAM AUTO_INCREMENT=1 ;

<?
/**
 *类名称:BC_Test
 *类方法:
  继承自基类的方法：
 *  BF_SelectByID
 *  BF_SelectBySql
 * BF_Insert
 * BF_Update
 
 * 类开发目标:定义封装数据库中Test表所有操作
 * 作者:zhxiyao
 *
 * @version v1.0 //每修改一次,版本增加小号1.1,大的修改变为2.0
 * 每进行一次修改,一定要在开始说明修改原因,修改后性能的改进
 * @copyright 2007
 */
        include_once("./BaseClass.php");
        class   BC_Test extends BC_BaseClass{
 
                function __construct(){
                        $this->BV_TableName ='test'; //指定操作表名；
                        //初始化表含有的字段；
                        $this->BV_Insert='INSERT INTO `test` (`Name` , `Bak1` , `Bak2`) VALUES (?,?,?)'; 
                        $this->BV_Update='UPDATE `product` SET `Name` = ?,`Bak1` = ?,`Bak2` = ?  WHERE `ID` = ? ';
 
                        parent::__construct();                       
                }
                function 新方法{
 
                }
                function 基类方法名{
                   //复写方法
                }
        }
?>