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1 ʲôÊÇMVC
MVCģʽ£¨Model-View-Controller£(C)ÊÇÈi¼þ¹¤³ÌÖеÄÒ»ÖÖÈi¼þ¼Ü¹¹Ä£Ê½£¬°ÑÈi¼þϵͳÖΪÈý¸o»u±¾²¿Ö£ºÄ£ÐÍ£¨Model£(C)¡¢ÊÓͼ£¨View£(C)ºÍ¿ØÖÆÆ÷£¨Controller£(C)¡£
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MVC¸÷²¿ÖµÄÖ°ÄÜ£º
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•ÊÓͼView ¨C ¸ºÔðaÖȾÊý¾Ý£¬Í¨¹ýHTML*½Ê½³ÊÏÖ¸øÓû§¡£
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1.Controller½Ø»ñÓû§*¢³oµÄÇeÇo£»
2.Controllerµ÷ÓÃModelÍe³É״̬µÄ¶Áд²Ù×÷£»
3.Controller°ÑÊý¾Ý´«µÝ¸øView£»
4.ViewaÖȾ×iÖÕ½a¹u²¢³ÊÏ׸øÓû§¡£
*2 ΪʲôҪ×Ô¼º¿ª¢MVC¿o¼Ü**
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*3 ¿ªÊ¼¿ª¢×Ô¼ºµÄMVC¿o¼Ü**
3.1 Ŀ¼׼±¸
ÔÚ¿ªÊ¼¿ª*¢Ç°£¬ÈÃÎÒÃÇÏÈÀ´°ÑÏiÄ¿½¨Á¢ºÃ£¬¼ÙÉeÎÒÃǽ¨Á¢µÄÏiĿΪ todo£¬MVCµÄ¿o¼Ü¿ÉÒÔÃuÃuΪ FastPHP£¬ÄÇô½ÓÏÂÀ´µÄµÚÒ»²½¾ÍÊÇ°ÑĿ¼½a¹¹ÏÈÉeÖúá£
ËaÈ»ÔÚÕa¸o½Ì³ÌÖв»»aʹÓõ½ÉÏÃaeµÄËuÓеÄĿ¼£¬µ«ÊÇΪÁËÒÔºo³ÌÐoµÄ¿ÉÍØÕ¹ÐÔ£¬ÔÚÒ»¿ªÊ¼¾Í°Ñ³ÌÐoĿ¼ÉeÖúÃʹ*dz£±ØÒªµÄ¡£ÏÂÃae¾Í¾ßÌa˵˵ÿ¸oĿ¼µÄ×÷Óãº
•application ¨C Ó¦ÓôuÂe
•config ¨C ³ÌÐoÅaÖûoÊý¾Ý¿aÅaÖÃ
•fastphp - ¿o¼ÜºËÐÄĿ¼
•public ¨C ¾²Ì¬Îļþ
•runtime - ÁÙʱÊý¾ÝĿ¼
•scripts ¨C ÃuÁiÐй¤¾ß
3.2 ´uÂe¹ae*¶
ÔÚĿ¼ÉeÖúÃÒÔºo£¬ÎÒÃǽÓÏÂÀ´¾ÍÒªÀ´¹ae¶¨Ò»Ï´uÂeµÄ¹ae*¶£º
1.MySQLµÄ±iÃuÐeСд£¬È磺item£¬car
2.Ä£¿eÃu£¨Models£(C)ÐeÊ××Öĸ´oд£¬£¬²¢ÔÚÃu³ÆºoÌi¼Ó¡°Model¡±£¬È磺ItemModel£¬CarModel
3.¿ØÖÆÆ÷£¨Controllers£(C)ÐeÊ××Öĸ´oд£¬£¬²¢ÔÚÃu³ÆÖÐÌi¼Ó¡°Controller¡±£¬È磺ItemController£¬CarController
4.ÊÓͼ£¨Views£(C)²¿Êð½a¹¹Îª¡°¿ØÖÆÆ÷Ãu/ÐÐΪÃu¡±£¬È磺item/view.php£¬car/buy.php
ÉÏÊoµÄÒ»Ð(C)¹aeÔoÊÇΪÁËÄÜÔÚ³ÌÐoÖиuºÃµÄ½øÐл¥ÏaµÄµ÷Ó᣽ÓÏÂÀ´¾Í¿ªÊ¼ÕaeÕýµÄPHP MVC±a³ÌÁË¡£
3.3 Öض¨Ïo
½«ËuÓеÄÊý¾ÝÇeÇo¶¼Öض¨Ïo index.php Îļþ£¬ÔÚ todo Ŀ¼ÏÂн¨Ò»¸o .htaccess Îļþ£¬ÎļþÄÚÈÝΪ£º
<IfModule mod_rewrite.c>
RewriteEngine On
# È*±£ÇeÇoÂ*¾¶²»ÊÇÒ»¸oÎļþÃu»oĿ¼
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
# Öض¨ÏoËuÓÐÇeÇoµ½ index.php?url=PATHNAME
RewriteRule ^(.*)$ index.php?url=$1 [PT,L]
</IfModule>
ÕaÑu×oµÄÖ÷ÒªÔÒoÓУº
1.³ÌÐoÓÐÒ»¸oµ¥Ò»µÄÈe¿Ú£»
2.³ý¾²Ì¬³ÌÐo£¬ÆaËuËuÓгÌÐo¶¼Öض¨Ïoµ½ index.php ÉÏ£»
3.¿ÉÒÔÓÃÀ´Éu³ÉÀuÓÚSEOµÄURL£¬ÏeÒª¸uºÃµÄÅaÖÃURL£¬ºoÆÚ¿ÉÄÜ»aÐeÒªURLÂ*ÓÉ£¬ÕaÀiÏȲ»×o½eÉÜÁË¡£
3.4 Èe¿ÚÎļþ
×oÍeÉÏÃaeµÄ²Ù×÷£¬¾ÍÓ¦¸ÃÖªµÀÎÒÃÇÐeÒª×oʲôÁË£¬Ã»´i£¡ÔÚ public Ŀ¼ÏÂÌi¼Ó index.php Îļþ£¬ÎļþÄÚÈÝΪ£º
<?php
// Ó¦ÓÃĿ¼Ϊµ±Ç°Ä¿Â¼
define('APP_PATH', __DIR__.'/');
// ¿ªÆoµ÷ÊÔģʽ
define('APP_DEBUG', true);
// ÍøÕ¾¸uURL
define('APP_URL', 'http://localhost/fastphp');
// ¼ÓÔØ¿o¼Ü
require './fastphp/FastPHP.php';
×¢Òa£¬ÉÏÃaeµÄPHP´uÂeÖУ¬²¢Ã»ÓÐÌi¼ÓPHP½aÊøuºÅ¡±?>¡±£¬Õaô×oµÄÖ÷ÒªÔÒoÊÇ£¬¶ÔÓÚÖ»ÓÐ PHP ´uÂeµÄÎļþ£¬½aÊø±eÖ¾(¡°?>¡±)×iºÃ²»´aeÔÚ£¬PHP×ÔÉi²¢²»ÐeÒª½aÊøuºÅ£¬²»Ìi¼Ó½aÊøuºÅ¿ÉÒԺܴo³Ì¶ÈÉÏÀÖ¹Ä(C)β±»Ìi¼Ó¶iÍaµÄ×¢ÈeÄÚÈÝ£¬ÈóÌÐo¸u¼Ó°²È«¡£
3.5 ÅaÖÃÎļþºÍÖ÷ÇeÇo
ÔÚ index.php ÖУ¬ÎÒÃÇ¶Ô fastphp Îļþ¼ÐÏ嵀 FastPHP.php *¢ÆðÁËÇeÇo£¬ÄÇô FastPHP.php Õa¸oÆo¶¯ÎļþÖе½µ×»a°uº¬ÄÄÐ(C)ÄÚÈÝÄØ£¿
<?php
// ³oʼ»¯³£Á¿
defined('FRAME_PATH') or define('FRAME_PATH', __DIR__.'/');
defined('APP_PATH') or define('APP_PATH', dirname($_SERVER['SCRIPT_FILENAME']).'/');
defined('APP_DEBUG') or define('APP_DEBUG', false);
defined('CONFIG_PATH') or define('CONFIG_PATH', APP_PATH.'config/');
defined('RUNTIME_PATH') or define('RUNTIME_PATH', APP_PATH.'runtime/');
// °uº¬ÅaÖÃÎļþ
require APP_PATH . 'config/config.php';
//°uº¬ºËÐÄ¿o¼ÜÀa
require FRAME_PATH . 'Core.php';
// ʵÀý»¯ºËÐÄÀa
$fast = new Core;
$fast->run();
ÒÔÉÏÎļþ¶¼Æaʵ¿ÉÒÔÖ±½ÓÔÚ index.php ÎļþÖаuº¬£¬³£Á¿Ò²¿ÉÒÔÖ±½ÓÔÚ index.php Öж¨Òa£¬ÎÒÃÇÕaô×oµÄÔÒoÊÇΪÁËÔÚºoÆÚ¹ÜÀiºÍÍØÕ¹Öиu¼ÓµÄ½±a£¬ËuÒÔ°ÑÐeÒªÔÚÒ»¿ªÊ¼µÄʱºo¾Í¼ÓÔØÔËÐеijÌÐoͳһŵ½Ò»¸oµ¥¶ÀµÄÎļþÖÐÒýÓá£
ÏÈÀ´¿´¿´configÎļþÏ嵀 config .php Îļþ£¬¸ÃÎļþµÄÖ÷Òª×÷ÓÃÊÇÉeÖÃÒ»Ð(C)³ÌÐoµÄÅaÖÃÏi¼°Êý¾Ý¿aÁ¬½ÓµÈ£¬Ö÷ÒªÄÚÈÝΪ£º
<?php
/** ±aÁ¿ÅaÖà **/
define('DB_NAME', 'todo');
define('DB_USER', 'root');
define('DB_PASSWORD', 'root');
define('DB_HOST', 'localhost');Ó¦¸Ã˵ config.php Éae¼°µ½µÄÄÚÈݲ¢²»¶a£¬²»¹ýÊÇÒ»Ð(C)»u´¡Êý¾Ý¿aµÄÉeÖã¬ÔÙÀ´¿´¿´ fastphpÏµĹ²Óÿo¼ÜÈe¿ÚÎļþ Core.php Ó¦¸ÃÔoôд¡£
<?php
/**
* FastPHPºËÐÄ¿o¼Ü
*/
class Core
{
// ÔËÐгÌÐo
function run()
{
spl_autoload_register(array($this, 'loadClass'));
$this->setReporting();
$this->removeMagicQuotes();
$this->unregisterGlobals();
$this->Route();
}
// Â*ÓÉ´¦Ài
function Route()
{
$controllerName = 'Index';
$action = 'index';
if (!empty($_GET['url'])) {
$url = $_GET['url'];
$urlArray = explode('/', $url);
// »ñÈ¡¿ØÖÆÆ÷Ãu
$controllerName = ucfirst($urlArray[0]);
// »ñÈ¡¶¯×÷Ãu
array_shift($urlArray);
$action = empty($urlArray[0]) ? 'index' : $urlArray[0];
//»ñÈ¡URL²ÎÊý
array_shift($urlArray);
$queryString = empty($urlArray) ? array() : $urlArray;
}
// Êý¾ÝΪ¿ÕµÄ´¦Ài
$queryString = empty($queryString) ? array() : $queryString;
// ʵÀý»¯¿ØÖÆÆ÷
$controller = $controllerName . 'Controller';
$dispatch = new $controller($controllerName, $action);
// Èç¹u¿ØÖÆÆ÷´aeºÍ¶¯×÷´aeÔÚ£¬Õaµ÷Óò¢´«ÈeURL²ÎÊý
if ((int)method_exists($controller, $action)) {
call_user_func_array(array($dispatch, $action), $queryString);
} else {
exit($controller . "¿ØÖÆÆ÷²»´aeÔÚ");
}
}
// ¼i²a¿ª*¢»*¾³
function setReporting()
{
if (APP_DEBUG === true) {
error_reporting(E_ALL);
ini_set('display_errors','On');
} else {
error_reporting(E_ALL);
ini_set('display_errors','Off');
ini_set('log_errors', 'On');
ini_set('error_log', RUNTIME_PATH. 'logs/error.log');
}
}
// ɾ³ýÃo¸Ð×Ö*u
function stripSlashesDeep($value)
{
$value = is_array($value) ? array_map('stripSlashesDeep', $value) : stripslashes($value);
return $value;
}
// ¼i²aÃo¸Ð×Ö*u²¢É¾³ý
function removeMagicQuotes()
{
if ( get_magic_quotes_gpc()) {
$_GET = stripSlashesDeep($_GET );
$_POST = stripSlashesDeep($_POST );
$_COOKIE = stripSlashesDeep($_COOKIE);
$_SESSION = stripSlashesDeep($_SESSION);
}
}
// ¼i²a×Ô¶¨ÒaÈ«¾Ö±aÁ¿£¨register globals£(C)²¢ÒƳý
function unregisterGlobals()
{
if (ini_get('register_globals')) {
$array = array('_SESSION', '_POST', '_GET', '_COOKIE', '_REQUEST', '_SERVER', '_ENV', '_FILES');
foreach ($array as $value) {
foreach ($GLOBALS[$value] as $key => $var) {
if ($var === $GLOBALS[$key]) {
unset($GLOBALS[$key]);
}
}
}
}
}
// ×Ô¶¯¼ÓÔØ¿ØÖÆÆ÷ºÍÄ£ÐÍÀa
static function loadClass($class)
{
$frameworks = FRAME_PATH . $class . '.class.php';
$controllers = APP_PATH . 'application/controllers/' . $class . '.class.php';
$models = APP_PATH . 'application/models/' . $class . '.class.php';
if (file_exists($frameworks)) {
// ¼ÓÔØ¿o¼ÜºËÐÄÀa
include $frameworks;
} elseif (file_exists($controllers)) {
// ¼ÓÔØÓ¦ÓÿØÖÆÆ÷Àa
include $controllers;
} elseif (file_exists($models)) {
//¼ÓÔØÓ¦ÓÃÄ£ÐÍÀa
include $models;
} else {
/* ´iÎo´uÂe */
}
}
}
ÏÂÃaeÖصa½²½aÖ÷ÇeÇo½¨ callHook()£¬Ê×ÏÈÎÒÃÇÏe¿´¿´ÎÒÃÇµÄ URL »aÕaÑu£º
yoursite.com/controllerName/actionName/queryString
callHook()µÄ×÷ÓþÍÊÇ£¬´ÓÈ«¾Ö±aÁ¿ G ET[ ¡a url ¡a ]±aÁ¿ÖлñÈ¡URL£¬²¢½«ÆaÖ¸i³ÉÈý²¿Ö£º GET[¡aurl¡a]±aÁ¿ÖлñÈ¡URL£¬²¢½«ÆaÖ¸i³ÉÈý²¿Ö£ºcontroller¡¢actionºÍ actionºÍqueryString¡£
ÀýÈ磬URLÁ´½ÓΪ£ºtodo.com/item/view/1/first-item£¬ÄÇô
•$controller ¾ÍÊÇ£ºitem
•$action ¾ÍÊÇ£ºview
•²eѯ×Ö*u´®Query String¾ÍÊÇ£ºarray(1, first-item)
Ö¸iÍe³Éºo£¬»aʵÀý»¯Ò»¸oеĿØÖÆÆ÷£º$controller.'Controller'£¨ÆaÖС°.¡±ÊÇÁ¬×Öu£(C)£¬²¢µ÷ÓÃÆa½¨ $action¡£
3.6 ¿ØÖÆÆ÷/Controller»uÀa
½ÓÏÂÀ´µÄ²Ù×÷¾ÍÊÇÔÚ fastphp Öн¨Á¢³ÌÐoËuÐeµÄ»uÀa£¬°uÀ¨¿ØÖÆÆ÷¡¢Ä£ÐͺÍÊÓͼµÄ»uÀa¡£
н¨¿ØÖÆÆ÷»uÀaΪ Controller.class.php£¬¿ØÖÆÆ÷µÄÖ÷Òª¹¦ÄܾÍÊÇ×ܵ÷¶È£¬¾ßÌa¾ßÌaÄÚÈÝÈçÏ£º
<?php
/**
* ¿ØÖÆÆ÷»uÀa
*/
class Controller
{
protected $_controller;
protected $_action;
protected $_view;
// ¹¹Ôiº¯Êý£¬³oʼ»¯ÊoÐÔ£¬²¢ÊµÀý»¯¶ÔӦģÐÍ
function __construct($controller, $action)
{
$this->_controller = $controller;
$this->_action = $action;
$this->_view = new View($controller, $action);
}
// *ÖÅa±aÁ¿
function assign($name, $value)
{
$this->_view->assign($name, $value);
}
// aÖȾÊÓͼ
function __destruct()
{
$this->_view->render();
}
}
Controller ÀaʵÏÖËuÓпØÖÆÆ÷¡¢Ä£ÐͺÍÊÓͼ£¨ViewÀa£(C)µÄͨÐÅ¡£ÔÚÖ´ÐÐÎo¹¹º¯Êýʱ£¬ÎÒÃÇ¿ÉÒÔµ÷Óà render() À´ÏÔʾÊÓͼ£¨view£(C)Îļþ¡£
3.7 Ä£ÐÍModel»uÀa
н¨Ä£ÐÍ»uÀaΪ Model.class.php£¬Ä£ÐÍ»uÀa Model.class.php ´uÂeÈçÏ£º
<?php
class Model extends Sql
{
protected $_model;
protected $_table;
function __construct()
{
// Á¬½ÓÊý¾Ý¿a
$this->connect(DB_HOST, DB_USER, DB_PASSWORD, DB_NAME);
// »ñÈ¡Ä£ÐÍÃu³Æ
$this->_model = get_class($this);
$this->_model = rtrim($this->_model, 'Model');
// Êý¾Ý¿a±iÃuÓeÀaÃuÒ»ÖÂ
$this->_table = strtolower($this->_model);
}
function __destruct()
{
}
}
¿¼Âǵ½Ä£ÐÍÐeÒª¶ÔÊý¾Ý¿a½øÐд¦Ài£¬ËuÒÔµ¥¶À½¨Á¢Ò»¸oÊý¾Ý¿a»uÀa Sql.class.php£¬Ä£ÐÍ»uÀa¼Ì³Ð Sql.class.php£¬´uÂeÈçÏ£º
<?php
class Sql
{
protected $_dbHandle;
protected $_result;
// Á¬½ÓÊý¾Ý¿a
public function connect($host, $user, $pass, $dbname)
{
try {
$dsn = sprintf("mysql:host=%s;dbname=%s;charset=utf8", $host, $dbname);
$this->_dbHandle = new PDO($dsn, $user, $pass, array(PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC));
} catch (PDOException $e) {
exit('´iÎo: ' . $e->getMessage());
}
}
// ²eѯËuÓÐ
public function selectAll()
{
$sql = sprintf("select * from `%s`", $this->_table);
$sth = $this->_dbHandle->prepare($sql);
$sth->execute();
return $sth->fetchAll();
}
// ¸u¾ÝÌo¼þ (id) ²eѯ
public function select($id)
{
$sql = sprintf("select * from `%s` where `id` = '%s'", $this->_table, $id);
$sth = $this->_dbHandle->prepare($sql);
$sth->execute();
return $sth->fetch();
}
// ¸u¾ÝÌo¼þ (id) ɾ³ý
public function delete($id)
{
$sql = sprintf("delete from `%s` where `id` = '%s'", $this->_table, $id);
$sth = $this->_dbHandle->prepare($sql);
$sth->execute();
return $sth->rowCount();
}
// ×Ô¶¨ÒaSQL²eѯ£¬*µ»ØÓ°ÏiµÄÐÐÊý
public function query($sql)
{
$sth = $this->_dbHandle->prepare($sql);
$sth->execute();
return $sth->rowCount();
}
// ÐÂÔoÊý¾Ý
public function add($data)
{
$sql = sprintf("insert into `%s` %s", $this->_table, $this->formatInsert($data));
return $this->query($sql);
}
// ÐÞ¸ÄÊý¾Ý
public function update($id, $data)
{
$sql = sprintf("update `%s` set %s where `id` = '%s'", $this->_table, $this->formatUpdate($data), $id);
return $this->query($sql);
}
// ½«Êý×eת»»³É²aÈe¸ñʽµÄsqlÓi¾a
private function formatInsert($data)
{
$fields = array();
$values = array();
foreach ($data as $key => $value) {
$fields[] = sprintf("`%s`", $key);
$values[] = sprintf("'%s'", $value);
}
$field = implode(',', $fields);
$value = implode(',', $values);
return sprintf("(%s) values (%s)", $field, $value);
}
// ½«Êý×eת»»³É¸uиñʽµÄsqlÓi¾a
private function formatUpdate($data)
{
$fields = array();
foreach ($data as $key => $value) {
$fields[] = sprintf("`%s` = '%s'", $key, $value);
}
return implode(',', $fields);
}
}
Ó¦¸Ã˵£¬Sql.class.php ÊÇ¿o¼ÜµÄºËÐIJ¿*Ö¡£ÎªÊ²Ã´£¿ÒoΪͨ¹ýËu£¬ÎÒÃÇ´´½¨ÁËÒ»¸o SQL ³eÏo²a£¬¿ÉÒÔ´o´o¼oÉÙÁËÊý¾Ý¿aµÄ±a³Ì¹¤×÷¡£ËaÈ» PDO ½Ó¿Ú±¾À´ÒѾºÜ¼o½a£¬µ«ÊdzeÏoÖ®ºo¿o¼ÜµÄ¿ÉÁe»iÐÔ¸u¸ß¡£
3.8 ÊÓͼViewÀa
ÊÓͼÀa View.class.php ÄÚÈÝÈçÏ£º
<?php
/**
* ÊÓͼ»uÀa
*/
class View
{
protected $variables = array();
protected $_controller;
protected $_action;
function __construct($controller, $action)
{
$this->_controller = $controller;
$this->_action = $action;
}
/** *ÖÅa±aÁ¿ **/
function assign($name, $value)
{
$this->variables[$name] = $value;
}
/** aÖȾÏÔʾ **/
function render()
{
extract($this->variables);
$defaultHeader = APP_PATH . 'application/views/header.php';
$defaultFooter = APP_PATH . 'application/views/footer.php';
$controllerHeader = APP_PATH . 'application/views/' . $this->_controller . '/header.php';
$controllerFooter = APP_PATH . 'application/views/' . $this->_controller . '/footer.php';
// Ò³Í*Îļþ
if (file_exists($controllerHeader)) {
include ($controllerHeader);
} else {
include ($defaultHeader);
}
// Ò³ÄÚÈÝÎļþ
include (APP_PATH . 'application/views/' . $this->_controller . '/' . $this->_action . '.php');
// Ò³½ÅÎļþ
if (file_exists($controllerFooter)) {
include ($controllerFooter);
} else {
include ($defaultFooter);
}
}
}
ÕaÑuÎÒÃǵĺËÐĵÄPHP MVC¿o¼Ü¾Í±aдÍe³ÉÁË£¬ÏÂÃaeÎÒÃÇ¿ªÊ¼±aдӦÓÃÀ´²aÊÔ¿o¼Ü¹¦ÄÜ¡£
4 Ó¦ÓÃ
4.1 Êý¾Ý¿a²¿Êð
ÔÚ SQL ÖÐн¨Ò»¸o todo Êý¾Ý¿a£¬Ê¹ÓÃÏÂÃaeµÄÓi¾aÔo¼Ó item Êý¾Ý±i²¢²aÈe2Ìo¼Ç¼£º
CREATE DATABASE `todo` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;
USE `todo`;
CREATE TABLE `item` (
`id` int(11) NOT NULL auto_increment,
`item_name` varchar(255) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8;
INSERT INTO `item` VALUES(1, 'Hello World.');
INSERT INTO `item` VALUES(2, 'Lets go!');
4.2 ²¿ÊðÄ£ÐÍ
È»ºo£¬ÎÒÃÇ»¹ÐeÒªÔÚ models Ŀ¼Öд´½¨Ò»¸o ItemModel.php Ä£ÐÍ£¬ÄÚÈÝÈçÏ£º
<?php
class ItemModel extends Model
{
/* ÒµÎñÂß¼²aʵÏÖ */
}
Ä£ÐÍÄÚÈÝΪ¿Õ¡£ÒoΪ Item Ä£Ðͼ̳ÐÁË Model£¬ËuÒÔËuÓµÓÐ Model µÄËuÓй¦ÄÜ¡£
4.3 ²¿Êð¿ØÖÆÆ÷
ÔÚ controllers Ŀ¼Ï´´½¨Ò»¸o ItemController.php ¿ØÖÆÆ÷£¬ÄÚÈÝÈçÏ£º
<?php
class ItemController extends Controller
{
// Ê×Ò³*½*¨£¬²aÊÔ¿o¼Ü×Ô¶¨ÒaDB²eѯ
public function index()
{
$items = (new ItemModel)->selectAll();
$this->assign('title', 'È«²¿ÌoÄ¿');
$this->assign('items', $items);
}
// Ìi¼Ó¼Ç¼£¬²aÊÔ¿o¼ÜDB¼Ç¼´´½¨£¨Create£(C)
public function add()
{
$data['item_name'] = $_POST['value'];
$count = (new ItemModel)->add($data);
$this->assign('title', 'Ìi¼Ó³É¹¦');
$this->assign('count', $count);
}
// ²e¿´¼Ç¼£¬²aÊÔ¿o¼ÜDB¼Ç¼¶ÁÈ¡£¨Read£(C)
public function view($id = null)
{
$item = (new ItemModel)->select($id);
$this->assign('title', 'ÕýÔÚ²e¿´' . $item['item_name']);
$this->assign('item', $item);
}
// ¸uмǼ£¬²aÊÔ¿o¼ÜDB¼Ç¼¸uУ¨Update£(C)
public function update()
{
$data = array('id' => $_POST['id'], 'item_name' => $_POST['value']);
$count = (new ItemModel)->update($data['id'], $data);
$this->assign('title', 'Ð޸ijɹ¦');
$this->assign('count', $count);
}
// ɾ³ý¼Ç¼£¬²aÊÔ¿o¼ÜDB¼Ç¼ɾ³ý£¨Delete£(C)
public function delete($id = null)
{
$count = (new ItemModel)->delete($id);
$this->assign('title', 'ɾ³ý³É¹¦');
$this->assign('count', $count);
}
}
4.4 ²¿ÊðÊÓͼ
ÔÚ views Ŀ¼ÏÂн¨ header.php ºÍ footer.php Á½¸oÒ³Í*Ò³½ÅÄ£°a£¬ÄÚÈÝÈçÏ¡£
header.php£¬ÄÚÈÝ£º
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title><?php echo $title ?></title>
<style>
.item {
width:400px;
}
input {
color:#222222;
font-family:georgia,times;
font-size:24px;
font-weight:normal;
line-height:1.2em;
color:black;
}
a {
color:blue;
font-family:georgia,times;
font-size:20px;
font-weight:normal;
line-height:1.2em;
text-decoration:none;
}
a:hover {
text-decoration:underline;
}
h1 {
color:#000000;
font-size:41px;
letter-spacing:-2px;
line-height:1em;
font-family:helvetica,arial,sans-serif;
border-bottom:1px dotted #cccccc;
}
h2 {
color:#000000;
font-size:34px;
letter-spacing:-2px;
line-height:1em;
font-family:helvetica,arial,sans-serif;
}
</style>
</head>
<body>
<h1><?php echo $title ?></h1>
footer.php£¬ÄÚÈÝ£º
</body>
</html>
È»ºo£¬ÔÚ views/item ´´½¨ÒÔϼ¸¸oÊÓͼÎļþ¡£
index.php£¬a¯ÀÀÊý¾Ý¿aÄÚ item ±iµÄËuÓмǼ£¬ÄÚÈÝ£º
<form action="<?php echo APP_URL ?>/item/add" method="post">
<input type="text" value="µa»÷Ìi¼Ó" onclick="this.value=''" name="value">
<input type="submit" value="Ìi¼Ó">
</form>
<br/><br/>
<?php $number = 0?>
<?php foreach ($items as $item): ?>
<a class="big" href="<?php echo APP_URL ?>/item/view/<?php echo $item['id'] ?>" title="µa»÷ÐÞ¸Ä">
<span class="item">
<?php echo ++$number ?>
<?php echo $item['item_name'] ?>
</span>
</a>
----
<a class="big" href="<?php echo APP_URL ?>/item/delete/<?php echo $item['id']?>">ɾ³ý</a>
<br/>
<?php endforeach ?>
add.php£¬Ìi¼Ó¼Ç¼£¬ÄÚÈÝ£º
³É¹¦Ìi¼Ó<?php echo $count ?>Ìo¼Ç¼£¬µa»÷*µ»Ø
view.php£¬²e¿´µ¥Ìo¼Ç¼£¬ÄÚÈÝ£º
<form action="<?php echo APP_URL ?>/item/update" method="post">
<input type="text" name="value" value="<?php echo $item['item_name'] ?>">
<input type="hidden" name="id" value="<?php echo $item['id'] ?>">
<input type="submit" value="ÐÞ¸Ä">
</form>
<a class="big" href="<?php echo APP_URL ?>/item/index">*µ»Ø</a>
update.php£¬¸u¸Ä¼Ç¼£¬ÄÚÈÝ£º
³É¹¦ÐÞ¸Ä<?php echo $count ?>Ïi£¬µa»÷*µ»Ø
delete.php£¬É¾³ý¼Ç¼£¬ÄÚÈÝ£º
³É¹¦É¾³ý<?php echo $count ?>Ïi£¬µa»÷*µ»Ø
4.5 Ó¦ÓòaÊÔ
ÕaÑu£¬ÔÚa¯ÀÀÆ÷ÖÐ*ÃÎÊ todo ³ÌÐo£ºhttp://localhost/todo/item/index/£¬¾Í¿ÉÒÔ¿´µ½Ð§¹uÁË¡£
ÒÔÉÏ´uÂeÒѾȫ²¿¢²¼µ½ github ÉÏ£¬¹Ø¼u²¿Ö¼Óº½ÁË×¢ÊÍ£¬²Ö¿aµØÖ*£ºhttps://github.com/yeszao/fastphp£¬»¶Ó¿Ë¡¡¢Ìa½»¡£
ÒªÉe¼Æ¸uºÃµÄMVC£¬»oʹÓõøu¼Ó¹ae¶£¬Çe¿´¡¶[MVC¼Ü¹¹µÄÖ°Ôð»®ÖÔÔo¡*](http://www.awaimai.com/873.html) ¡£
ÒÔÉϾÍÊDZ¾ÎĵÄÈ«²¿ÄÚÈÝ£¬Ï£Íu¶Ô´o¼ÒµÄѧϰÓÐËu°iÖu£¬Ò²Ï£Íu´o¼Ò¶a¶aÖ§³Ö½Å±¾Ö®¼Ò¡£