yii源码分析3，yii源码分析-php手册-php.cn

Inhaltsverzeichnis

yii源码分析3，yii源码分析

Heim

php教程

php手册

yii源码分析3，yii源码分析

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB

Jun 13, 2016 am 09:21 AM

yii

yii源码分析3，yii源码分析

转载请注明：TheViper http://www.cnblogs.com/TheViper/

上一篇说到CWebApplication中的￥route=$this->getUrlManager ()->parseUrl ($this->getRequest());,得到$route=controler/actionid。

这篇说他后面的$this->runController ( $route );

<span> 1</span> <?<span>php
</span><span> 2</span> <span>class</span> CWebApplication <span>extends</span><span> CApplication {
</span><span> 3</span>     <span>public</span> <span>$controllerNamespace</span><span>;
</span><span> 4</span>     <span>private</span> <span>$_controllerPath</span><span>;
</span><span> 5</span>     <span>private</span> <span>$_viewPath</span><span>;
</span><span> 6</span>     <span>private</span> <span>$_systemViewPath</span><span>;
</span><span> 7</span>     <span>private</span> <span>$_controller</span><span>;
</span><span> 8</span>     <span>public</span> <span>$controllerMap</span>=<span>array</span><span>();
</span><span> 9</span>     <span>public</span> <span>function</span> processRequest() {<span>//</span><span>开始执行请求
</span><span>10</span> <span>        //获取urlManager组件，解析请求，得到controller/action这种格式的string,
</span><span>11</span> <span>        //并且将隐藏参数与请求的参数一一对应，匹配起来，写入$_REQUEST中</span>
<span>12</span>         <span>$route</span> = <span>$this</span>->getUrlManager ()->parseUrl (<span>$this</span>-><span>getRequest());
</span><span>13</span>         <span>$this</span>->runController ( <span>$route</span><span> );
</span><span>14</span> <span>    }
</span><span>15</span>     <span>public</span> <span>function</span> getRequest() {<span>//</span><span>获取request组件</span>
<span>16</span>         <span>return</span> <span>$this</span>->getComponent ( 'request'<span> );
</span><span>17</span> <span>    }
</span><span>18</span>     <span>protected</span> <span>function</span> registerCoreComponents() {<span>//</span><span>注册核心组件</span>
<span>19</span>         parent::<span>registerCoreComponents ();
</span><span>20</span> <span>    }
</span><span>21</span>     <span>//</span><span>执行contronller</span>
<span>22</span>     <span>public</span> <span>function</span> runController(<span>$route</span><span>) {
</span><span>23</span>         <span>if</span> ((<span>$ca</span> = <span>$this</span>->createController ( <span>$route</span> )) !== <span>null</span><span>) {
</span><span>24</span>             <span>list</span> ( <span>$controller</span>, <span>$actionID</span> ) = <span>$ca</span><span>;
</span><span>25</span>             <span>$oldController</span> = <span>$this</span>-><span>_controller;
</span><span>26</span>             <span>$this</span>->_controller = <span>$controller</span><span>;
</span><span>27</span>             <span>$controller</span>->init ();<span>//</span><span>钩子,在执行action方法前调用，子类去实现</span>
<span>28</span>             <span>$controller</span>->run ( <span>$actionID</span> );<span>//</span><span>开始转入controller类中action方法的执行</span>
<span>29</span>             <span>$this</span>->_controller = <span>$oldController</span><span>;
</span><span>30</span> <span>        }
</span><span>31</span> <span>    }
</span><span>32</span>     <span>//</span><span>创建controller类实例,从controller/action这种格式的string中解析出$controller, $actionID </span>
<span>33</span>     <span>public</span> <span>function</span> createController(<span>$route</span>, <span>$owner</span> = <span>null</span><span>) {
</span><span>34</span>         <span>if</span> (<span>$owner</span> === <span>null</span><span>)
</span><span>35</span>             <span>$owner</span> = <span>$this</span><span>;
</span><span>36</span>         <span>if</span> ((<span>$route</span> = <span>trim</span> ( <span>$route</span>, '/' )) === ''<span>)
</span><span>37</span>             <span>$route</span> = <span>$owner</span>-><span>defaultController;
</span><span>38</span> 
<span>39</span>         <span>$route</span> .= '/'<span>;
</span><span>40</span>         <span>while</span> ( (<span>$pos</span> = <span>strpos</span> ( <span>$route</span>, '/' )) !== <span>false</span><span> ) {
</span><span>41</span>             <span>$id</span> = <span>substr</span> ( <span>$route</span>, 0, <span>$pos</span><span> );
</span><span>42</span>             <span>if</span> (! <span>preg_match</span> ( '/^\w+$/', <span>$id</span><span> ))
</span><span>43</span>                 <span>return</span> <span>null</span><span>;
</span><span>44</span>             <span>$id</span> = <span>strtolower</span> ( <span>$id</span><span> );
</span><span>45</span>             <span>$route</span> = ( <span>string</span> ) <span>substr</span> ( <span>$route</span>, <span>$pos</span> + 1<span> );
</span><span>46</span>             <span>if</span> (! <span>isset</span> ( <span>$basePath</span> ))             <span>//</span><span> first segment</span>
<span>47</span> <span>            {
</span><span>48</span>                 <span>$basePath</span> = <span>$owner</span>-><span>getControllerPath ();
</span><span>49</span>                 <span>$controllerID</span> = ''<span>;
</span><span>50</span>             } <span>else</span><span> {
</span><span>51</span>                 <span>$controllerID</span> .= '/'<span>;
</span><span>52</span> <span>            }
</span><span>53</span>             <span>$className</span> = <span>ucfirst</span> ( <span>$id</span> ) . 'Controller'<span>;
</span><span>54</span>             <span>$classFile</span> = <span>$basePath</span> . DIRECTORY_SEPARATOR . <span>$className</span> . '.php'<span>;
</span><span>55</span> 
<span>56</span>             <span>if</span> (<span>is_file</span> ( <span>$classFile</span><span> )) {
</span><span>57</span>                 <span>if</span> (! <span>class_exists</span> ( <span>$className</span>, <span>false</span><span> ))
</span><span>58</span>                     <span>require</span> (<span>$classFile</span><span>);
</span><span>59</span>                 <span>if</span> (<span>class_exists</span> ( <span>$className</span>, <span>false</span> ) && <span>is_subclass_of</span> ( <span>$className</span>, 'CController'<span> )) {
</span><span>60</span>                     <span>$id</span> [0] = <span>strtolower</span> ( <span>$id</span> [0<span>] );
</span><span>61</span>                     <span>return</span> <span>array</span><span> (
</span><span>62</span>                             <span>new</span> <span>$className</span> ( <span>$controllerID</span> . <span>$id</span>, <span>$owner</span> === <span>$this</span> ? <span>null</span> : <span>$owner</span> ),
<span>63</span>                             <span>$this</span>->parseActionParams ( <span>$route</span><span> )
</span><span>64</span> <span>                    );
</span><span>65</span> <span>                }
</span><span>66</span>                 <span>return</span> <span>null</span><span>;
</span><span>67</span> <span>            }
</span><span>68</span>             <span>$controllerID</span> .= <span>$id</span><span>;
</span><span>69</span>             <span>$basePath</span> .= DIRECTORY_SEPARATOR . <span>$id</span><span>;
</span><span>70</span> <span>        }
</span><span>71</span> <span>    }
</span><span>72</span>     <span>protected</span> <span>function</span> parseActionParams(<span>$pathInfo</span><span>) {
</span><span>73</span>         <span>if</span> ((<span>$pos</span> = <span>strpos</span> ( <span>$pathInfo</span>, '/' )) !== <span>false</span><span>) {
</span><span>74</span>             <span>$manager</span> = <span>$this</span>->getUrlManager ();<span>//</span><span>再次获取urlManager,在上面第一次调用中已经导入。</span>
<span>75</span>             <span>$manager</span>->parsePathInfo ( ( <span>string</span> ) <span>substr</span> ( <span>$pathInfo</span>, <span>$pos</span> + 1<span> ) );
</span><span>76</span>             <span>$actionID</span> = <span>substr</span> ( <span>$pathInfo</span>, 0, <span>$pos</span><span> );
</span><span>77</span>             <span>return</span> <span>$manager</span>->caseSensitive ? <span>$actionID</span> : <span>strtolower</span> ( <span>$actionID</span><span> );
</span><span>78</span>         } <span>else</span>
<span>79</span>             <span>return</span> <span>$pathInfo</span><span>;
</span><span>80</span> <span>    }
</span><span>81</span>     <span>public</span> <span>function</span><span> getControllerPath() {
</span><span>82</span>         <span>if</span> (<span>$this</span>->_controllerPath !== <span>null</span><span>)
</span><span>83</span>             <span>return</span> <span>$this</span>-><span>_controllerPath;
</span><span>84</span>         <span>else</span>
<span>85</span>             <span>return</span> <span>$this</span>->_controllerPath = <span>$this</span>->getBasePath () . DIRECTORY_SEPARATOR . 'controllers'<span>;
</span><span>86</span> <span>    }
</span><span>87</span>     <span>//</span><span>两个钩子,子类去实现</span>
<span>88</span>     <span>public</span> <span>function</span> beforeControllerAction(<span>$controller</span>, <span>$action</span><span>) {
</span><span>89</span>         <span>return</span> <span>true</span><span>;
</span><span>90</span> <span>    }
</span><span>91</span>     <span>public</span> <span>function</span> afterControllerAction(<span>$controller</span>, <span>$action</span><span>) {
</span><span>92</span> <span>    }
</span><span>93</span>     <span>protected</span> <span>function</span><span> init() {
</span><span>94</span>         parent::<span>init ();
</span><span>95</span> <span>    }
</span><span>96</span> }

Nach dem Login kopieren

$ca = $this->createController ( $route ))；createController的作用是将$route中的controller和action分离出来，并创建controller实例。

最后返回controller实例和actionid.

然后回到CWebApplication的runController($route),$controller->init ();在controller初始化时执行，这个需要在子类中重写，比如：

<span> 1</span> <span>class</span> VideoController <span>extends</span><span> CController {
</span><span> 2</span>     <span>public</span> <span>function</span><span> init() {
</span><span> 3</span>         <span>$this</span>->db = Yii::app ()-><span>db;
</span><span> 4</span> <span>    }
</span><span> 5</span>     <span>public</span> <span>function</span><span> actionBroadcast() {
</span><span> 6</span>         <span>$b</span> = <span>$this</span>->db->query ( "", <span>array</span> (1<span> ) );
</span><span> 7</span>         <span>$this</span>->render ( "u_broadcast", <span>array</span><span> (
</span><span> 8</span>         'b' => <span>$b</span> [0<span>] ；
</span><span> 9</span> <span>    ) );
</span><span>10</span> <span>    }
</span><span>11</span> }

Nach dem Login kopieren

这样在VideoController中便可以用$this->db调用db组件了。

$controller->run ( $actionID );转入Ccontroller.

<span> 1</span> <?<span>php
</span><span> 2</span> <span>class</span><span> CController {
</span><span> 3</span>     <span>protected</span> <span>$db</span><span>;
</span><span> 4</span>     <span>public</span> <span>$defaultAction</span> = 'index'<span>;
</span><span> 5</span>     <span>private</span> <span>$_id</span><span>;
</span><span> 6</span>     <span>private</span> <span>$_action</span><span>;
</span><span> 7</span>     <span>public</span> <span>function</span> __construct(<span>$id</span>, <span>$module</span> = <span>null</span><span>) {
</span><span> 8</span>         <span>$this</span>->_id = <span>$id</span><span>;
</span><span> 9</span> <span>    }
</span><span>10</span>     <span>public</span> <span>function</span><span> init() {
</span><span>11</span> <span>    }
</span><span>12</span>     <span>//</span><span>过滤方法,子类重写</span>
<span>13</span>     <span>public</span> <span>function</span><span> filters() {
</span><span>14</span>         <span>return</span> <span>array</span><span> ();
</span><span>15</span> <span>    }
</span><span>16</span>     <span>public</span> <span>function</span> run(<span>$actionID</span><span>) {
</span><span>17</span>         <span>//</span><span>创建action实例</span>
<span>18</span>         <span>if</span> ((<span>$action</span> = <span>$this</span>->createAction ( <span>$actionID</span> )) !== <span>null</span><span>) {
</span><span>19</span>             <span>$parent</span> = Yii::<span>app ();
</span><span>20</span>             <span>if</span> (<span>$parent</span>->beforeControllerAction ( <span>$this</span>, <span>$action</span><span> )) {
</span><span>21</span>                 <span>$this</span>->runActionWithFilters ( <span>$action</span>, <span>$this</span>-><span>filters () );
</span><span>22</span>                 <span>$parent</span>->afterControllerAction ( <span>$this</span>, <span>$action</span><span> );
</span><span>23</span> <span>            }
</span><span>24</span> <span>        }
</span><span>25</span> <span>    }
</span><span>26</span>     <span>public</span> <span>function</span> refresh(<span>$terminate</span> = <span>true</span>, <span>$anchor</span> = ''<span>) {
</span><span>27</span>         <span>$this</span>->redirect ( Yii::app ()->getRequest ()->getUrl () . <span>$anchor</span>, <span>$terminate</span><span> );
</span><span>28</span> <span>    }
</span><span>29</span>     <span>public</span> <span>function</span> redirect(<span>$url</span>, <span>$terminate</span> = <span>true</span>, <span>$statusCode</span> = 302<span>) {
</span><span>30</span>         Yii::app ()->getRequest ()->redirect ( <span>$url</span>, <span>$terminate</span>, <span>$statusCode</span><span> );
</span><span>31</span> <span>    }
</span><span>32</span>     <span>//</span><span>如果controller里面有filter</span>
<span>33</span>     <span>public</span> <span>function</span> runActionWithFilters(<span>$action</span>, <span>$filters</span><span>) {
</span><span>34</span>         <span>if</span> (<span>empty</span> ( <span>$filters</span><span> ))
</span><span>35</span>             <span>$this</span>->runAction ( <span>$action</span><span> );
</span><span>36</span>         <span>else</span><span> {
</span><span>37</span>             <span>$priorAction</span> = <span>$this</span>-><span>_action;
</span><span>38</span>             <span>$this</span>->_action = <span>$action</span><span>;
</span><span>39</span>             CFilterChain::create ( <span>$this</span>, <span>$action</span>, <span>$filters</span> )-><span>run ();
</span><span>40</span>             <span>$this</span>->_action = <span>$priorAction</span><span>;
</span><span>41</span> <span>        }
</span><span>42</span> <span>    }
</span><span>43</span>     <span>public</span> <span>function</span> runAction(<span>$action</span><span>) {
</span><span>44</span>         <span>$priorAction</span> = <span>$this</span>-><span>_action;
</span><span>45</span>         <span>$this</span>->_action = <span>$action</span><span>;
</span><span>46</span>         <span>if</span> (<span>$this</span>->beforeAction ( <span>$action</span><span> )) {
</span><span>47</span>             <span>if</span> (<span>$action</span>->runWithParams ( <span>$this</span>->getActionParams () ) === <span>false</span><span>)
</span><span>48</span>                 <span>$this</span>->invalidActionParams ( <span>$action</span><span> );
</span><span>49</span>             <span>else</span>
<span>50</span>                 <span>$this</span>->afterAction ( <span>$action</span><span> );
</span><span>51</span> <span>        }
</span><span>52</span>         <span>$this</span>->_action = <span>$priorAction</span><span>;
</span><span>53</span> <span>    }
</span><span>54</span>     <span>//</span><span>渲染视图</span>
<span>55</span>     <span>public</span> <span>function</span> render(<span>$view</span>, <span>$data</span> = <span>array</span><span>()) {
</span><span>56</span>         <span>if</span> (<span>isset</span> ( <span>$data</span><span> ))
</span><span>57</span>             <span>extract</span> ( <span>$data</span><span> );
</span><span>58</span>         <span>include</span> VIEWS_DIR . "/" . <span>$this</span>->_id . "/" . <span>$view</span> . ".php"<span>;
</span><span>59</span> <span>    }
</span><span>60</span>     <span>public</span> <span>function</span> renderFile(<span>$file</span>, <span>$data</span> = <span>array</span><span>()) {
</span><span>61</span>         <span>if</span> (<span>isset</span> ( <span>$data</span><span> ))
</span><span>62</span>             <span>extract</span> ( <span>$data</span><span> );
</span><span>63</span>         <span>include</span> VIEWS_DIR . "/" . <span>$file</span><span>;
</span><span>64</span> <span>    }
</span><span>65</span>     <span>//</span><span>跳转到另一个controller/action,不过浏览器的地址没有变</span>
<span>66</span>     <span>public</span> <span>function</span> forward(<span>$route</span><span>) {
</span><span>67</span>         <span>if</span> (<span>strpos</span> ( <span>$route</span>, '/' ) === <span>false</span><span>)
</span><span>68</span>             <span>$this</span>->run ( <span>$route</span><span> );
</span><span>69</span>         <span>else</span><span> {
</span><span>70</span>             <span>//</span><span>不在同一个controller里面，重新创建</span>
<span>71</span>             Yii::app ()->runController ( <span>$route</span><span> );
</span><span>72</span> <span>        }
</span><span>73</span> <span>    }
</span><span>74</span>     <span>public</span> <span>function</span><span> getActionParams() {
</span><span>75</span>         <span>return</span> <span>$_GET</span><span>;
</span><span>76</span> <span>    }
</span><span>77</span>     <span>public</span> <span>function</span> createAction(<span>$actionID</span><span>) {
</span><span>78</span>         <span>if</span> (<span>$actionID</span> === ''<span>)
</span><span>79</span>             <span>$actionID</span> = <span>$this</span>-><span>defaultAction;
</span><span>80</span>         <span>if</span> (<span>method_exists</span> ( <span>$this</span>, 'action' . <span>$actionID</span> ) && <span>strcasecmp</span> ( <span>$actionID</span>, 's'<span> ))
</span><span>81</span>             <span>return</span> <span>new</span> CInlineAction ( <span>$this</span>, <span>$actionID</span><span> );
</span><span>82</span> <span>    }
</span><span>83</span>     <span>public</span> <span>function</span><span> getAction() {
</span><span>84</span>         <span>return</span> <span>$this</span>-><span>_action;
</span><span>85</span> <span>    }
</span><span>86</span>     <span>public</span> <span>function</span> setAction(<span>$value</span><span>) {
</span><span>87</span>         <span>$this</span>->_action = <span>$value</span><span>;
</span><span>88</span> <span>    }
</span><span>89</span>     <span>public</span> <span>function</span><span> getId() {
</span><span>90</span>         <span>return</span> <span>$this</span>-><span>_id;
</span><span>91</span> <span>    }
</span><span>92</span>     <span>//</span><span>两个钩子</span>
<span>93</span>     <span>protected</span> <span>function</span> beforeAction(<span>$action</span><span>) {
</span><span>94</span>         <span>return</span> <span>true</span><span>;
</span><span>95</span> <span>    }
</span><span>96</span>     <span>protected</span> <span>function</span> afterAction(<span>$action</span><span>) {
</span><span>97</span> <span>    }
</span><span>98</span> }

Nach dem Login kopieren

$this->createAction ( $actionID );创建action实例.

然后是runActionWithFilters($action, $filters)；如果没有filter(),直接runAction($action)。

$action->runWithParams ( $this->getActionParams () ).$action是CInlineAction实例。

<span> 1</span> <?<span>php
</span><span> 2</span> <span>class</span> CInlineAction <span>extends</span><span> CAction
</span><span> 3</span> <span>{
</span><span> 4</span>     <span>//</span><span>执行该动作</span>
<span> 5</span>     <span>public</span> <span>function</span><span> run()
</span><span> 6</span> <span>    {
</span><span> 7</span>         <span>$method</span>='action'.<span>$this</span>-><span>getId();
</span><span> 8</span>         <span>$this</span>->getController()-><span>$method</span><span>();
</span><span> 9</span> <span>    }
</span><span>10</span>     <span>//</span><span>执行带提供的请求的参数的动作</span>
<span>11</span>     <span>public</span> <span>function</span> runWithParams(<span>$params</span><span>)
</span><span>12</span> <span>    {
</span><span>13</span>         <span>$methodName</span>='action'.<span>$this</span>->getId();<span>//</span><span>拼接action方法</span>
<span>14</span>         <span>$controller</span>=<span>$this</span>-><span>getController();
</span><span>15</span>         <span>$method</span>=<span>new</span> ReflectionMethod(<span>$controller</span>, <span>$methodName</span>);<span>//</span><span>反射</span>
<span>16</span>         <span>if</span>(<span>$method</span>->getNumberOfParameters()>0)<span>//</span><span>方法参数个数>0</span>
<span>17</span>             <span>return</span> <span>$this</span>->runWithParamsInternal(<span>$controller</span>, <span>$method</span>, <span>$params</span><span>);
</span><span>18</span>         <span>else</span>
<span>19</span>             <span>return</span> <span>$controller</span>-><span>$methodName</span><span>();
</span><span>20</span> <span>    }
</span><span>21</span> }

Nach dem Login kopieren

CAction

<span> 1</span> <?<span>php
</span><span> 2</span> <span>abstract</span> <span>class</span> CAction <span>extends</span><span> CComponent
</span><span> 3</span> <span>{
</span><span> 4</span>     <span>private</span> <span>$_id</span><span>;
</span><span> 5</span>     <span>private</span> <span>$_controller</span><span>;
</span><span> 6</span>     <span>public</span> <span>function</span> __construct(<span>$controller</span>,<span>$id</span><span>)
</span><span> 7</span> <span>    {
</span><span> 8</span>         <span>$this</span>->_controller=<span>$controller</span><span>;
</span><span> 9</span>         <span>$this</span>->_id=<span>$id</span><span>;
</span><span>10</span> <span>    }
</span><span>11</span>     <span>public</span> <span>function</span><span> getController()
</span><span>12</span> <span>    {
</span><span>13</span>         <span>return</span> <span>$this</span>-><span>_controller;
</span><span>14</span> <span>    }
</span><span>15</span>     <span>public</span> <span>function</span><span> getId()
</span><span>16</span> <span>    {
</span><span>17</span>         <span>return</span> <span>$this</span>-><span>_id;
</span><span>18</span> <span>    }
</span><span>19</span>     <span>//</span><span>运行带有请求参数的对象。 这个方法通过CController::runAction()内部调用</span>
<span>20</span>     <span>public</span> <span>function</span> runWithParams(<span>$params</span><span>)
</span><span>21</span> <span>    {
</span><span>22</span>         <span>$method</span>=<span>new</span> ReflectionMethod(<span>$this</span>, 'run'<span>);
</span><span>23</span>         <span>if</span>(<span>$method</span>->getNumberOfParameters()>0<span>)
</span><span>24</span>             <span>return</span> <span>$this</span>->runWithParamsInternal(<span>$this</span>, <span>$method</span>, <span>$params</span><span>);
</span><span>25</span>         <span>else</span>
<span>26</span>             <span>return</span> <span>$this</span>-><span>run();
</span><span>27</span> <span>    }
</span><span>28</span>     <span>//</span><span>执行一个带有命名参数的对象的方法</span>
<span>29</span>     <span>protected</span> <span>function</span> runWithParamsInternal(<span>$object</span>, <span>$method</span>, <span>$params</span><span>)
</span><span>30</span> <span>    {
</span><span>31</span>         <span>$ps</span>=<span>array</span><span>();
</span><span>32</span>         <span>foreach</span>(<span>$method</span>->getParameters() <span>as</span> <span>$i</span>=><span>$param</span><span>)
</span><span>33</span> <span>        {
</span><span>34</span>             <span>$name</span>=<span>$param</span>-><span>getName();
</span><span>35</span>             <span>if</span>(<span>isset</span>(<span>$params</span>[<span>$name</span><span>]))
</span><span>36</span> <span>            {
</span><span>37</span>                 <span>if</span>(<span>$param</span>-><span>isArray())
</span><span>38</span>                     <span>$ps</span>[]=<span>is_array</span>(<span>$params</span>[<span>$name</span>]) ? <span>$params</span>[<span>$name</span>] : <span>array</span>(<span>$params</span>[<span>$name</span><span>]);
</span><span>39</span>                 <span>elseif</span>(!<span>is_array</span>(<span>$params</span>[<span>$name</span><span>]))
</span><span>40</span>                 <span>$ps</span>[]=<span>$params</span>[<span>$name</span><span>];
</span><span>41</span>                 <span>else</span>
<span>42</span>                     <span>return</span> <span>false</span><span>;
</span><span>43</span> <span>            }
</span><span>44</span>             <span>elseif</span>(<span>$param</span>-><span>isDefaultValueAvailable())
</span><span>45</span>             <span>$ps</span>[]=<span>$param</span>-><span>getDefaultValue();
</span><span>46</span>             <span>else</span>
<span>47</span>                 <span>return</span> <span>false</span><span>;
</span><span>48</span> <span>        }
</span><span>49</span>         <span>$method</span>->invokeArgs(<span>$object</span>,<span>$ps</span>);<span>//</span><span>反射，执行</span>
<span>50</span>         <span>return</span> <span>true</span><span>;
</span><span>51</span> <span>    }
</span><span>52</span> }

Nach dem Login kopieren

这两个类都很简单，就是执行controller类中的action方法。

回到上面的runActionWithFilters($action, $filters)；如果有filter(),CFilterChain::create ( $this, $action, $filters )->run ();

显然，如果有filter的话必须在执行action方法前，就设置好filter过滤器列表。

CFilterChain就是将类似于'application.filters.LoginFilter+upload_video' 这种配置解析成过滤器链。

过滤器链的每一项是一个CInlineFilter或CFilter实例。

<span> 1</span> <?<span>php
</span><span> 2</span> <span>//</span><span>过滤器列表</span>
<span> 3</span> <span>class</span> CFilterChain <span>extends</span><span> CList {
</span><span> 4</span>     <span>public</span> <span>$controller</span><span>;
</span><span> 5</span>     <span>public</span> <span>$action</span><span>;
</span><span> 6</span>     <span>public</span> <span>$filterIndex</span> = 0<span>;
</span><span> 7</span>     <span>public</span> <span>function</span> __construct(<span>$controller</span>, <span>$action</span><span>) {
</span><span> 8</span>         <span>$this</span>->controller = <span>$controller</span><span>;
</span><span> 9</span>         <span>$this</span>->action = <span>$action</span><span>;
</span><span>10</span> <span>    }
</span><span>11</span>     <span>//</span><span>创建过滤器列表</span>
<span>12</span>     <span>public</span> <span>static</span> <span>function</span> create(<span>$controller</span>, <span>$action</span>, <span>$filters</span><span>) {
</span><span>13</span>         <span>$chain</span> = <span>new</span> CFilterChain ( <span>$controller</span>, <span>$action</span><span> );
</span><span>14</span>         <span>$actionID</span> = <span>$action</span>-><span>getId ();
</span><span>15</span>         <span>foreach</span> ( <span>$filters</span> <span>as</span> <span>$filter</span><span> ) {
</span><span>16</span>             <span>if</span> (<span>is_string</span> ( <span>$filter</span> ))             <span>//</span><span> filterName [+|- action1 action2]</span>
<span>17</span> <span>            {
</span><span>18</span>                 <span>if</span> ((<span>$pos</span> = <span>strpos</span> ( <span>$filter</span>, '+' )) !== <span>false</span> || (<span>$pos</span> = <span>strpos</span> ( <span>$filter</span>, '-' )) !== <span>false</span><span>) {
</span><span>19</span>                     <span>$matched</span> = <span>preg_match</span> ( "/\b{<span>$actionID</span>}\b/i", <span>substr</span> ( <span>$filter</span>, <span>$pos</span> + 1 ) ) > 0<span>;
</span><span>20</span>                     <span>if</span> ((<span>$filter</span> [<span>$pos</span>] === '+') === <span>$matched</span><span>)
</span><span>21</span>                         <span>$filter</span> = CInlineFilter::create ( <span>$controller</span>, <span>trim</span> ( <span>substr</span> ( <span>$filter</span>, 0, <span>$pos</span><span> ) ) );
</span><span>22</span>                 } <span>else</span>
<span>23</span>                     <span>$filter</span> = CInlineFilter::create ( <span>$controller</span>, <span>$filter</span><span> );
</span><span>24</span>             } <span>elseif</span> (<span>is_array</span> ( <span>$filter</span> ))             <span>//</span><span> array('path.to.class [+|- action1, action2]','param1'=>'value1',...)</span>
<span>25</span> <span>            {
</span><span>26</span>                 <span>$filterClass</span> = <span>$filter</span> [0<span>];
</span><span>27</span>                 <span>unset</span> ( <span>$filter</span> [0<span>] );
</span><span>28</span>                 <span>//</span><span>开始解析过滤器配置</span>
<span>29</span>                 <span>if</span> ((<span>$pos</span> = <span>strpos</span> ( <span>$filterClass</span>, '+' )) !== <span>false</span> || (<span>$pos</span> = <span>strpos</span> ( <span>$filterClass</span>, '-' )) !== <span>false</span><span>) {
</span><span>30</span>                     <span>preg_match</span> ( "/\b{<span>$actionID</span>}\b/i", <span>substr</span> ( <span>$filterClass</span>, <span>$pos</span> + 1 ), <span>$a</span><span> );
</span><span>31</span>                     <span>$matched</span> = <span>preg_match</span> ( "/\b{<span>$actionID</span>}\b/i", <span>substr</span> ( <span>$filterClass</span>, <span>$pos</span> + 1 ) ) > 0<span>;
</span><span>32</span>                     <span>//</span><span>如果是filterName+action，创建一个过滤器,否则忽略</span>
<span>33</span>                     <span>if</span> ((<span>$filterClass</span> [<span>$pos</span>] === '+') === <span>$matched</span><span>) {
</span><span>34</span>                         <span>//</span><span>解析出过滤器的类名</span>
<span>35</span>                         <span>$filterClass</span> = <span>trim</span> ( <span>substr</span> ( <span>$filterClass</span>, 0, <span>$pos</span><span> ) );
</span><span>36</span>                     } <span>else</span>
<span>37</span>                         <span>continue</span><span>;
</span><span>38</span> <span>                }
</span><span>39</span>                 <span>$filter</span> ['class'] = <span>$filterClass</span><span>;
</span><span>40</span>                 <span>$filter</span> = Yii::createComponent ( <span>$filter</span><span> );
</span><span>41</span> <span>            }
</span><span>42</span>             
<span>43</span>             <span>if</span> (<span>is_object</span> ( <span>$filter</span><span> )) {
</span><span>44</span>                 <span>$filter</span>-><span>init ();
</span><span>45</span>                 <span>$chain</span>->add ( <span>$filter</span> );<span>//</span><span>list添加过滤器</span>
<span>46</span> <span>            }
</span><span>47</span> <span>        }
</span><span>48</span>         <span>return</span> <span>$chain</span><span>;
</span><span>49</span> <span>    }
</span><span>50</span>     <span>public</span> <span>function</span><span> run() {
</span><span>51</span>         <span>if</span> (<span>$this</span>->offsetExists ( <span>$this</span>->filterIndex )) {<span>//</span><span>过滤器列表个数不为0
</span><span>52</span> <span>            //取出过滤器实例</span>
<span>53</span>             <span>$filter</span> = <span>$this</span>->itemAt ( <span>$this</span>->filterIndex ++<span> );
</span><span>54</span>             <span>$filter</span>->filter ( <span>$this</span><span> );
</span><span>55</span>         } <span>else</span>
<span>56</span>             <span>$this</span>->controller->runAction ( <span>$this</span>-><span>action );
</span><span>57</span> <span>    }
</span><span>58</span> }

Nach dem Login kopieren

'application.filters.LoginFilter+upload_video' 这种配置会创建CFilter实例。

<span> 1</span> <?<span>php
</span><span> 2</span> <span>class</span> CFilter <span>extends</span><span> CComponent {
</span><span> 3</span>     <span>public</span> <span>function</span> filter(<span>$filterChain</span><span>) {
</span><span> 4</span>         <span>//</span><span>前置，后置方法</span>
<span> 5</span>         <span>if</span> (<span>$this</span>->preFilter ( <span>$filterChain</span><span> )) {
</span><span> 6</span>             <span>$filterChain</span>-><span>run ();
</span><span> 7</span>             <span>$this</span>->postFilter ( <span>$filterChain</span><span> );
</span><span> 8</span> <span>        }
</span><span> 9</span> <span>    }
</span><span>10</span>     <span>//</span><span>钩子</span>
<span>11</span>     <span>public</span> <span>function</span><span> init() {
</span><span>12</span> <span>    }
</span><span>13</span>     <span>protected</span> <span>function</span> preFilter(<span>$filterChain</span><span>) {
</span><span>14</span>         <span>return</span> <span>true</span><span>;
</span><span>15</span> <span>    }
</span><span>16</span>     <span>protected</span> <span>function</span> postFilter(<span>$filterChain</span><span>) {
</span><span>17</span> <span>    }
</span><span>18</span> }

Nach dem Login kopieren

然后是上面的CFilterChain::create ( $this, $action, $filters )->run ();中的run(),如果请求被解析成的action是upload_video,yii就会取出LoginFilter实例。

比如我的LoginFilter

<span> 1</span> <?<span>php
</span><span> 2</span> <span>class</span> LoginFilter <span>extends</span><span> CFilter {
</span><span> 3</span>     <span>protected</span> <span>function</span> preFilter(<span>$filterChain</span><span>) {
</span><span> 4</span>         <span>if</span> (! <span>isset</span> ( <span>$_SESSION</span><span> )) {
</span><span> 5</span>             <span>session_start</span><span> ();
</span><span> 6</span> <span>        }
</span><span> 7</span>         <span>if</span> (<span>isset</span> ( <span>$_SESSION</span> ['user'<span>] ))
</span><span> 8</span>             <span>return</span> <span>true</span><span>;
</span><span> 9</span>         <span>else</span><span> {
</span><span>10</span>             <span>setcookie</span> ( "return", Yii::app ()->getRequest ()->getUrl (), <span>time</span> () + 360, '/'<span> );
</span><span>11</span>             Yii::app ()->getRequest ()->redirect ( 'http://localhost/youtube/login', <span>true</span>, 302<span> );
</span><span>12</span>             <span>return</span> <span>false</span><span>;
</span><span>13</span> <span>        }
</span><span>14</span> <span>    }
</span><span>15</span>     <span>protected</span> <span>function</span> postFilter(<span>$filterChain</span><span>) {
</span><span>16</span> <span>    }
</span><span>17</span> <span>}
</span><span>18</span> ?>

Nach dem Login kopieren

里面就一个前置和后置，表示对于需要启用过滤器的action方法，分别在执行action方法之前和之后执行自己定义的preFilter,postFilter方法。

然后是$filterChain->run ();这里很容易出错。

其实是再次用CFilterChain里面的run(),注意到里面的$this->filterIndex++,这有点像递归.

如果过滤器要过滤对个action,就像这样去CFilter,然后$filterChain->run ();返回CFilterChain，同时$this->filterIndex++,然后继续$filterChain->run ();。。。。。。

对于我的'application.filters.LoginFilter+upload_video'，只过滤upload_video这一个action,所以当返回CFilterChain时，$this->filterIndex已经变成1了，而过滤器列表只有一个过滤器实例，所以这次就会走$this->controller->runAction ( $this->action );了，这就和没设置过滤器时走的$this->runAction ( $action );一样了。

过滤器分析完后，就是什么数据操作之类的，最后是渲染视图render()。这就太简单了，extract($data),然后在include下视图文件就可以了。

还有forward()方法，就是跳转到另一个controller/action,实质就是返回CWebApplication的runController再来一遍上面分析的过程。

最后附上，裁剪的yii http://files.cnblogs.com/TheViper/framework.zip

Erklärung dieser Website

Der Inhalt dieses Artikels wird freiwillig von Internetnutzern beigesteuert und das Urheberrecht liegt beim ursprünglichen Autor. Diese Website übernimmt keine entsprechende rechtliche Verantwortung. Wenn Sie Inhalte finden, bei denen der Verdacht eines Plagiats oder einer Rechtsverletzung besteht, wenden Sie sich bitte an admin@php.cn

Heiße KI -Werkzeuge

Undresser.AI Undress

KI-gestützte App zum Erstellen realistischer Aktfotos

AI Clothes Remover

Online-KI-Tool zum Entfernen von Kleidung aus Fotos.

Undress AI Tool

Ausziehbilder kostenlos

Clothoff.io

KI-Kleiderentferner

AI Hentai Generator

Erstellen Sie kostenlos Ai Hentai.

Heißer Artikel

R.E.P.O. Energiekristalle erklärten und was sie tun (gelber Kristall)

3 Wochen vor By 尊渡假赌尊渡假赌尊渡假赌

R.E.P.O. Beste grafische Einstellungen

3 Wochen vor By 尊渡假赌尊渡假赌尊渡假赌

Assassin's Creed Shadows: Seashell Riddle -Lösung

2 Wochen vor By DDD

R.E.P.O. So reparieren Sie Audio, wenn Sie niemanden hören können

3 Wochen vor By 尊渡假赌尊渡假赌尊渡假赌

WWE 2K25: Wie man alles in Myrise freischaltet

4 Wochen vor By 尊渡假赌尊渡假赌尊渡假赌

Heiße Werkzeuge

Notepad++7.3.1

Einfach zu bedienender und kostenloser Code-Editor

SublimeText3 chinesische Version

Chinesische Version, sehr einfach zu bedienen

Senden Sie Studio 13.0.1

Leistungsstarke integrierte PHP-Entwicklungsumgebung

Dreamweaver CS6

Visuelle Webentwicklungstools

SublimeText3 Mac-Version

Codebearbeitungssoftware auf Gottesniveau (SublimeText3)

Heiße Themen

Wo ist der Login-Zugang für Gmail-E-Mail?

7476

CakePHP-Tutorial

1377

Wie lautet das Format des Kontonamens von Steam?

Win11 -Aktivierungsschlüssel dauerhaft

NYT -Verbindungen Hinweise und Antworten

Related knowledge

So entwickeln Sie mit dem PHP-Framework Yii ein hochverfügbares Cloud-Backup-System Jun 27, 2023 am 09:04 AM

Mit der kontinuierlichen Weiterentwicklung der Cloud-Computing-Technologie ist die Datensicherung zu etwas geworden, das jedes Unternehmen durchführen muss. In diesem Zusammenhang ist es besonders wichtig, ein hochverfügbares Cloud-Backup-System zu entwickeln. Das PHP-Framework Yii ist ein leistungsstarkes Framework, das Entwicklern dabei helfen kann, schnell leistungsstarke Webanwendungen zu erstellen. Im Folgenden wird vorgestellt, wie Sie mit dem Yii-Framework ein hochverfügbares Cloud-Backup-System entwickeln. Entwerfen des Datenbankmodells Im Yii-Framework ist das Datenbankmodell ein sehr wichtiger Teil. Denn das Datensicherungssystem erfordert viele Tabellen und Beziehungen

Symfony vs Yii2: Welches Framework eignet sich besser für die Entwicklung umfangreicher Webanwendungen? Jun 19, 2023 am 10:57 AM

Da die Nachfrage nach Webanwendungen weiter wächst, haben Entwickler bei der Auswahl von Entwicklungsframeworks immer mehr Möglichkeiten. Symfony und Yii2 sind zwei beliebte PHP-Frameworks. Sie verfügen beide über leistungsstarke Funktionen und Leistung. Welches Framework ist jedoch besser geeignet, wenn es darum geht, umfangreiche Webanwendungen zu entwickeln? Als nächstes führen wir eine vergleichende Analyse von Symphony und Yii2 durch, um Ihnen zu helfen, eine bessere Wahl zu treffen. Grundlegende Übersicht Symphony ist ein Open-Source-Webanwendungs-Framework, das in PHP geschrieben ist und darauf aufbaut

Datenabfrage im Yii-Framework: Effizienter Zugriff auf Daten Jun 21, 2023 am 11:22 AM

Das Yii-Framework ist ein Open-Source-PHP-Webanwendungsframework, das zahlreiche Tools und Komponenten zur Vereinfachung des Prozesses der Webanwendungsentwicklung bereitstellt, wobei die Datenabfrage eine der wichtigen Komponenten ist. Im Yii-Framework können wir eine SQL-ähnliche Syntax verwenden, um auf die Datenbank zuzugreifen und Daten effizient abzufragen und zu bearbeiten. Der Abfrage-Builder des Yii-Frameworks umfasst hauptsächlich die folgenden Typen: ActiveRecord-Abfrage, QueryBuilder-Abfrage, Befehlsabfrage und Original-SQL-Abfrage

Wie verwende ich das Yii3-Framework in PHP? May 31, 2023 pm 10:42 PM

Mit der Weiterentwicklung des Internets wird auch die Nachfrage nach der Entwicklung von Webanwendungen immer größer. Für Entwickler erfordert die Entwicklung von Anwendungen ein stabiles, effizientes und leistungsstarkes Framework, das die Entwicklungseffizienz verbessern kann. Yii ist ein führendes Hochleistungs-PHP-Framework, das umfangreiche Funktionen und gute Leistung bietet. Yii3 ist die nächste Generation des Yii-Frameworks, das die Leistung und Codequalität basierend auf Yii2 weiter optimiert. In diesem Artikel stellen wir vor, wie Sie das Yii3-Framework zum Entwickeln von PHP-Anwendungen verwenden.

Yii2 vs. Phalcon: Welches Framework eignet sich besser für die Entwicklung von Grafik-Rendering-Anwendungen? Jun 19, 2023 am 08:09 AM

Im aktuellen Informationszeitalter sind Big Data, künstliche Intelligenz, Cloud Computing und andere Technologien in den Fokus großer Unternehmen gerückt. Unter diesen Technologien hat die Grafikkarten-Rendering-Technologie als leistungsstarke Grafikverarbeitungstechnologie immer mehr Aufmerksamkeit erhalten. Die Grafikkarten-Rendering-Technologie wird häufig in der Spieleentwicklung, bei Film- und Fernsehspezialeffekten, im technischen Modellbau und in anderen Bereichen eingesetzt. Für Entwickler ist die Wahl eines Frameworks, das zu ihren Projekten passt, eine sehr wichtige Entscheidung. Unter den aktuellen Sprachen ist PHP eine sehr dynamische Sprache. Einige hervorragende PHP-Frameworks wie Yii2, Ph

Yii2-Programmierhandbuch: So führen Sie den Cron-Dienst aus Sep 01, 2023 pm 11:21 PM

Wenn Sie fragen: „Was ist Yii?“ schauen Sie sich mein vorheriges Tutorial an: Einführung in das Yii Framework, das die Vorteile von Yii bespricht und die Neuerungen in Yii 2.0 beschreibt, das im Oktober 2014 veröffentlicht wurde. Hmm> In dieser Serie „Programmieren mit Yii2“ werde ich die Leser in die Verwendung des Yii2PHP-Frameworks einführen. Im heutigen Tutorial werde ich Ihnen zeigen, wie Sie die Konsolenfunktionalität von Yii nutzen können, um Cron-Jobs auszuführen. In der Vergangenheit habe ich wget – eine über das Internet zugängliche URL – in einem Cron-Job verwendet, um meine Hintergrundaufgaben auszuführen. Dies wirft Sicherheitsbedenken auf und hat einige Leistungsprobleme zur Folge. Während ich in unserer Serie „Sicherheit für Startup“ einige Möglichkeiten zur Risikominimierung besprochen habe, hatte ich gehofft, auf konsolengesteuerte Befehle umsteigen zu können

PHP-Entwicklung: Verwenden Sie Yii2 und GrapeJS, um Back-End-CMS und visuelle Front-End-Bearbeitung zu implementieren Jun 15, 2023 pm 11:48 PM

In der modernen Softwareentwicklung ist der Aufbau eines leistungsstarken Content Management Systems (CMS) keine leichte Aufgabe. Entwickler müssen nicht nur über umfangreiche Fähigkeiten und Erfahrung verfügen, sondern auch die fortschrittlichsten Technologien und Tools nutzen, um ihre Funktionalität und Leistung zu optimieren. In diesem Artikel wird erläutert, wie Sie Yii2 und GrapeJS, zwei beliebte Open-Source-Software, zur Implementierung von Back-End-CMS und visueller Front-End-Bearbeitung verwenden. Yii2 ist ein beliebtes PHPWeb-Framework, das umfangreiche Tools und Komponenten für die schnelle Erstellung bereitstellt

So konvertieren Sie Yii-Objekte in Arrays oder geben sie direkt im JSON-Format aus Jan 08, 2021 am 10:13 AM

Yii-Framework: In diesem Artikel wird die Methode von Yii zum Konvertieren von Objekten in Arrays oder zur direkten Ausgabe in das JSON-Format vorgestellt. Sie hat einen bestimmten Referenzwert und ich hoffe, dass sie jedem helfen kann.

See all articles