ThinkPHP文件缓存类代码分享_PHP教程

WBOY
Release: 2016-07-13 09:56:19
Original
1038 people have browsed it

ThinkPHP文件缓存类代码分享

   ThinkPHP文件缓存类代码分享

        取自ThinkPHP的文件缓存类代码,这里就不多废话了,小伙伴们自己看注释吧。

  ?

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

/**

* @desc 文件缓存

*/

class Cache{

const C_FILE = '/Runtime/';

private $dir = '';

const EXT = '.tpl';

private $filename = '';

public function __construct($dir = ''){

$this->dir = $dir;

 

}

/**

* @desc 设置文件缓存

* @param string $key 文件名

* @param unkonw $data 缓存数据

* @param int $expire 过期时间

*/

public function set($key,$data,$expire = 0){

$this->filename = dirname(__FILE__).self::C_FILE.$this->dir.$key.self::EXT;

if(file_exists($this->filename)){

$res = $this->get($key);

if(md5($res) == md5(json_encode($data) ) ){

return true;

}

}

if(!is_dir(dirname($this->filename))){

mkdir(dirname($this->filename),0777);

}

 

$source = fopen($this->filename,'w+');

fwrite($source,json_encode($data));

fclose($source);

}

 

/**

* @desc 获取文件

* @param string $key 文件名

*/

public function get($key){

//$filename = dirname(__FILE__).self::C_FILE.$this->dir.$key.self::EXT;

if(!file_exists($this->filename)){

return '缓存文件已经不存在';

}else{

$res = file_get_contents($this->filename);

}

return $res;

}

/**

* @desc 删除文件

* @param string $key 文件名

*/

public function del($key){

unlink($this->filename);

}

 

}

 

$data = array('name'=>'song','age'=>20,'sex'=>'man','favority'=>array('apple','banana'));

$cache = new Cache();

$cache->set('cache',$data);

//$cache->get('cache');

//$cache->del('cache');

www.bkjia.comtruehttp://www.bkjia.com/PHPjc/988368.htmlTechArticleThinkPHP文件缓存类代码分享 ThinkPHP文件缓存类代码分享 取自ThinkPHP的文件缓存类代码,这里就不多废话了,小伙伴们自己看注释吧。 ? 1 2...
Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn:Public welfare online PHP training,Help PHP learners grow quickly!