APP接口开发及读取静态缓存，app读取静态缓存_PHP教程

APP 接口开发及读取静态缓存，app读取静态缓存

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

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

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

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