wechat

Author: niklauslu

composer.json

@@ -0,0 +1,19 @@
+{
+    "name": "niklaslu/wechat-sdk",
+    "description": "php wechat sdk",
+    "type": "composer",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "niklas lu",
+            "email": "332553882@qq.com"
+        }
+    ],
+    "minimum-stability": "dev",
+    "require": {},
+    "autoload" : {
+	    "psr-4" : {
+	      "niklaslu\\" : "src"
+	    }
+	  }
+}

src/FileCache/cache/3c6e0b8a9c15224a8228b9a98ca1531d

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+{"data":{"key":"value","key1":"key1"},"expire":3600}

src/FileCache/cache/d41d8cd98f00b204e9800998ecf8427e

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+{"data":{"key":"value","key1":"key1"},"expire":3600}

src/FileCache/src/FileCache.php

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+<?php
+/**
+ * php 文件缓存类
+ */
+namespace niklaslu;
+
+class FileCache{
+    
+    protected $filePath;
+    
+    public function __construct($filePath = '')
+    {   
+        $filePath = $filePath ? $filePath : dirname(dirname(__FILE__)).'/cache/';
+        
+        $this->filePath = $filePath;
+    }
+    /**
+     * 获得缓存数据
+     * @param $key 缓存名称
+     * @return mixed
+     */
+    public function get($key)
+    {
+        $fileName = $this->getFileName($key);
+        return $this->getFileData($fileName);
+    }
+    /**
+     * 设置缓存
+     * @param $key  缓存名称
+     * @param $value    缓存值
+     * @param $expire   有效时间
+     * @return mixed
+     */
+    public function set($key, $value, $expire = 0)
+    {
+        $fileName = $this->getFileName($key);
+        if (is_file($fileName)) {
+            unlink($fileName);
+        }
+        $data = ['data' => $value, 'expire' => $expire];
+        if (file_put_contents($fileName, json_encode($data))) {
+            return true;
+        }
+        return false;
+    }
+    /**
+     * 是否存在某个缓存
+     * @param $key  缓存名称
+     * @return mixed
+     */
+    public function isHave($key)
+    {
+        if (! is_null($this->get($key))) {
+            return true;
+        }
+        return false;
+    }
+    /**
+     * 删除缓存
+     * @param $key  缓存名称
+     * @return mixed
+     */
+    public function delete($key)
+    {
+        $fileName = $this->getFileName($key);
+        if (is_file($fileName)) {
+            unlink($fileName);
+            return true;
+        }
+        return false;
+    }
+    /**
+     * 清空所有缓存
+     * @return mixed
+     */
+    public function flush()
+    {
+        $list = glob($this->filePath . '*');
+        foreach ($list as $file) {
+            unlink($file);
+        }
+        return true;
+    }
+    /**
+     * 获得文件名称
+     * @param $key
+     * @return string
+     */
+    private function getFileName($key)
+    {
+        return $this->filePath . md5($key);
+    }
+    /**
+     * 获得文件内容
+     * @param $fileName
+     */
+    private function getFileData($fileName)
+    {
+        if (! is_file($fileName)) {
+            return null;
+        }
+        $createTime = filectime($fileName);
+        $data = json_decode(file_get_contents($fileName), true);
+        //判断是否过期
+        if ($data['expire'] != '0' && ($data['expire'] + $createTime) < time()) {
+            unlink($fileName);
+            return null;
+        }
+        return $data['data'];
+    }
+    
+}