APP 接口开发及读取静态缓存，app读取静态缓存-php手册-php.cn

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APP 接口开发及读取静态缓存，app读取静态缓存

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Jun 13, 2016 am 08:53 AM

数据缓存

APP 接口开发及读取静态缓存，app读取静态缓存

<span> 1</span> <?<span>php
</span><span> 2</span> <span>/*</span><span>*
</span><span> 3</span> <span> * Description: App 接口
</span><span> 4</span> <span> * Create date:2015-10-19 13:36
</span><span> 5</span> <span> * Author: zhaoyingnan
</span><span> 6</span> <span> *</span><span>*/</span>
<span> 7</span> <span>class</span><span> Response
</span><span> 8</span> <span>{
</span><span> 9</span>     <span>/*</span><span>*
</span><span>10</span> <span>     * 综合方式
</span><span>11</span> <span>     * @author  zhaoyingnan 2015-10-19 11:24
</span><span>12</span> <span>     * @param   int         $iCode  状态码
</span><span>13</span> <span>     * @param   string      $sMsg   提示信息                                                                                                                                                 
</span><span>14</span> <span>     * @param   mix         $mixData    data
</span><span>15</span> <span>     * @param   string      $sType  接口返回类型
</span><span>16</span> <span>     * @return  string
</span><span>17</span> <span>     *</span><span>*/</span>
<span>18</span>     <span>static</span> <span>function</span> show(<span>$iCode</span>, <span>$sMsg</span> = '', <span>$mixData</span> = '', <span>$sType</span> = 'json'<span>)
</span><span>19</span> <span>    {   
</span><span>20</span>         <span>if</span>(!<span>is_numeric</span>(<span>$iCode</span><span>))
</span><span>21</span>             <span>return</span> ''<span>; 
</span><span>22</span>         <span>$arData</span> =   <span>array</span><span>(
</span><span>23</span>             'code'      =>  <span>$iCode</span>,
<span>24</span>             'message'   =>  <span>$sMsg</span>,
<span>25</span>             'data'      =>  <span>$mixData</span>
<span>26</span> <span>        );  
</span><span>27</span>         <span>switch</span>(<span>$sType</span><span>)
</span><span>28</span> <span>        {   
</span><span>29</span>         <span>case</span> 'array':
<span>30</span>             <span>echo</span> '<pre class="brush:php;toolbar:false">'<span>;
</span><span>31</span>             <span>print_r</span>(<span>$arData</span><span>);
</span><span>32</span>             <span>echo</span> '

'; 33 break; 34 case 'xml': 35 self::xml($arData); 36 break; 37 default: 38 self::json($arData); 39 } 40 } 41 42 /** 43 * json 44 * @author zhaoyingnan 2015-10-19 10:21 45 * @param array $arData 46 * @return string 47 **/ 48 private function json($arData= array()) 49 { 50 exit(json_encode($arData)); 51 } 52 53 /** 54 * xml 55 * @author zhaoyingnan 2015-10-19 10:21 56 * @param array $arData 57 * @return string 58 **/ 59 private function xml($arData = array()) 60 { 61 header('Content-Type:text/xml'); 62 $sXml = ''; 63 $sXml .= "\n"; 64 $sXml .= "\n"; 65 $sXml .= self::xmlEncode($arData); 66 $sXml .= "\n"; 67 exit($sXml); 68 } 69 70 /** 71 * xml encode 72 * @author zhaoyingnan 2015-10-19 11:10 73 * @param array $arData 74 * @return string 75 **/ 76 private function xmlEncode($arData = array()) 77 { 78 if(!$arData) 79 return ''; 80 $sXml = $sAttr= ''; 81 foreach($arData as $mKey => $mVal) 82 { 83 if(is_numeric($mKey)) 84 { 85 $sAttr = " id='{$mKey}'"; 86 $mKey = 'item'; 87 } 88 $sXml .= is_array($mVal) ? self::xmlEncode($mVal) : "$mKey}{$sAttr}>{$mVal}{$mKey}>"; 89 } 90 return $sXml; 91 } 92 } 93 ?>

<span> 1</span> <?<span>php                                                                                                                                                                                        
</span><span> 2</span> <span>/*</span><span>*
</span><span> 3</span> <span> * Description: 静态缓存
</span><span> 4</span> <span> * Create date:2015-10-19 13:36
</span><span> 5</span> <span> * Author: zhaoyingnan
</span><span> 6</span> <span> *</span><span>*/</span>
<span> 7</span> <span>class</span> <span>file</span>
<span> 8</span> <span>{
</span><span> 9</span>     <span>private</span> <span>$sExt</span>   =   '.txt'<span>;
</span><span>10</span> 
<span>11</span>     <span>/*</span><span>* 
</span><span>12</span> <span>     * 生成/删除/获取 缓存
</span><span>13</span> <span>     * @author  zhaoyingnan 2015-10-19 11:33
</span><span>14</span> <span>     * @param   string      $sKey       文件名
</span><span>15</span> <span>     * @param   mix         $mixValue   被缓存的数据(为''时表示获取缓存,为NUll时为删除缓存文件,否则为生成缓存)
</span><span>16</span> <span>     * @param   string      $sPath      文件保存的路径
</span><span>17</span> <span>     * @param   int         $iCacheTime 缓存时间(秒),0为永不过期    
</span><span>18</span> <span>     * @return  boolean
</span><span>19</span> <span>     *</span><span>*/</span>
<span>20</span>     <span>public</span> <span>function</span> cacheData(<span>$sKey</span>, <span>$mixValue</span> = '', <span>$sPath</span> = '/alidata/www/lianxi/file/', <span>$iCacheTime</span> = 0<span>)
</span><span>21</span> <span>    {   
</span><span>22</span>         <span>$sPath</span>  =   <span>rtrim</span>(<span>$sPath</span>, '/').'/'<span>;
</span><span>23</span>         <span>$sFileName</span>  =   <span>$sPath</span>.<span>$sKey</span>.<span>$this</span>-><span>sExt;
</span><span>24</span>         <span>//</span><span>生成缓存文件</span>
<span>25</span>         <span>if</span>(<span>$mixValue</span><span>)
</span><span>26</span> <span>        {   
</span><span>27</span>             <span>if</span>(!<span>is_dir</span>(<span>$sPath</span><span>))
</span><span>28</span>                 <span>mkdir</span>(<span>$sPath</span>, 0777<span>);
</span><span>29</span>             <span>$iCacheTime</span> =   <span>sprintf</span>('%011d', <span>$iCacheTime</span><span>);
</span><span>30</span>             <span>return</span> <span>file_put_contents</span>(<span>$sFileName</span>, <span>$iCacheTime</span>.json_encode(<span>$mixValue</span><span>));
</span><span>31</span> <span>        }   
</span><span>32</span> 
<span>33</span>         <span>if</span>(<span>is_file</span>(<span>$sFileName</span>) && !<span>$mixValue</span><span>)
</span><span>34</span> <span>        {   
</span><span>35</span>             <span>if</span>(<span>is_null</span>(<span>$mixValue</span><span>))
</span><span>36</span> <span>            {   
</span><span>37</span>                 <span>//</span><span>删除缓存</span>
<span>38</span>                 <span>return</span> <span>unlink</span>(<span>$sFileName</span><span>);
</span><span>39</span> <span>            }   
</span><span>40</span>                 
<span>41</span>             <span>//</span><span>获取缓存</span>
<span>42</span>             <span>$sContent</span>   =   <span>file_get_contents</span>(<span>$sFileName</span><span>);
</span><span>43</span>             <span>$iTime</span> = <span>intval</span>(<span>substr</span>(<span>$sContent</span>, 0, 11<span>));
</span><span>44</span>             <span>$sContent</span>   =   <span>substr</span>(<span>$sContent</span>, 11<span>);
</span><span>45</span>             <span>if</span>(<span>$iTime</span> != 0 && <span>$iTime</span> + <span>filemtime</span>(<span>$sFileName</span>) < <span>time</span><span>())
</span><span>46</span> <span>            {   
</span><span>47</span>                 <span>//</span><span>过期了,删除</span>
<span>48</span>                 <span>unlink</span>(<span>$sFileName</span><span>);
</span><span>49</span>                 <span>return</span> <span>FALSE</span><span>;
</span><span>50</span> <span>            }   
</span><span>51</span>             <span>return</span> <span>$sContent</span><span>;
</span><span>52</span> <span>        }
</span><span>53</span>         <span>else</span>
<span>54</span> <span>        {
</span><span>55</span>             <span>return</span> <span>FALSE</span><span>;
</span><span>56</span> <span>        }
</span><span>57</span> <span>    }
</span><span>58</span> <span>}
</span><span>59</span> ?>

<span> 1</span> <?<span>php                                                                                                                                                                                        
</span><span> 2</span> <span>include</span> 'response.php'<span>;
</span><span> 3</span> <span>include</span> 'file.php'<span>;
</span><span> 4</span> <span>$_GET</span>['format'] =   <span>isset</span>(<span>$_GET</span>['format']) && <span>in_array</span>(<span>$_GET</span>['format'], <span>array</span>('xml', 'json', 'array')) ? <span>$_GET</span>['format'] : 'json'<span>;
</span><span> 5</span> <span>$file</span> = <span>new</span> <span>File</span><span>();
</span><span> 6</span> <span>//</span><span>删除缓存
</span><span> 7</span> <span>//exit(var_dump($file->cacheData('index_cache', null)));</span>
<span> 8</span> 
<span> 9</span> <span>if</span>(!<span>$sContent</span> = <span>$file</span>->cacheData('index_cache'<span>))
</span><span>10</span> <span>{
</span><span>11</span>     <span>//</span><span>echo "获取缓存失败\n";
</span><span>12</span> <span>    //echo "获取数据\n";</span>
<span>13</span>     <span>$arData</span> =   <span>array</span><span>(
</span><span>14</span>         'id'    =>  1,  
<span>15</span>         'name'  =>  'TeddyNan',
<span>16</span>         'sex'   =>  23, 
<span>17</span>         <span>array</span><span>(
</span><span>18</span>             'nani'=><span>array</span><span>(
</span><span>19</span>                 'g'=>'gg',
<span>20</span>                 2,  
<span>21</span>                 4   
<span>22</span> <span>            )   
</span><span>23</span> <span>        )   
</span><span>24</span> <span>    );  
</span><span>25</span>     <span>//</span><span>echo "生成缓存\n";</span>
<span>26</span> 
<span>27</span>     <span>$file</span>->cacheData('index_cache', <span>$arData</span>, '/alidata/www/lianxi/file/', 0<span>); 
</span><span>28</span>     Response::show(0, 'success', <span>$arData</span>, <span>$_GET</span>['format'<span>]);
</span><span>29</span> <span>}
</span><span>30</span> <span>else</span>
<span>31</span> <span>{
</span><span>32</span>     Response::show(0, 'success', json_decode(<span>$sContent</span>, <span>TRUE</span>), <span>$_GET</span>['format'<span>]);
</span><span>33</span> <span>}
</span><span>34</span> ?>

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