初始化项目

2016-06-21 17:12:08 +08:00
commit 7ea154d684
903 changed files with 226100 additions and 0 deletions
--- a/core/library/think/cache/driver/Redis.php
+++ b/core/library/think/cache/driver/Redis.php
@@ -0,0 +1,128 @@
+<?php
+// +----------------------------------------------------------------------
+// | ThinkPHP [ WE CAN DO IT JUST THINK ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2006~2016 http://thinkphp.cn All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
+// +----------------------------------------------------------------------
+// | Author: liu21st <liu21st@gmail.com>
+// +----------------------------------------------------------------------
+
+namespace think\cache\driver;
+
+use think\Cache;
+use think\Exception;
+
+/**
+ * Redis缓存驱动，适合单机部署、有前端代理实现高可用的场景，性能最好
+ * 有需要在业务层实现读写分离、或者使用RedisCluster的需求，请使用Redisd驱动
+ *
+ * 要求安装phpredis扩展：https://github.com/nicolasff/phpredis
+ * @author    尘缘 <130775@qq.com>
+ */
+class Redis
+{
+    protected $handler = null;
+    protected $options = [
+        'host'       => '127.0.0.1',
+        'port'       => 6379,
+        'password'   => '',
+        'timeout'    => 0,
+        'expire'     => 0,
+        'persistent' => false,
+        'prefix'     => '',
+    ];
+
+    /**
+     * 架构函数
+     * @param array $options 缓存参数
+     * @access public
+     */
+    public function __construct($options = [])
+    {
+        if (!extension_loaded('redis')) {
+            throw new \BadFunctionCallException('not support: redis');
+        }
+        if (!empty($options)) {
+            $this->options = array_merge($this->options, $options);
+        }
+        $func          = $this->options['persistent'] ? 'pconnect' : 'connect';
+        $this->handler = new \Redis;
+        $this->handler->$func($this->options['host'], $this->options['port'], $this->options['timeout']);
+
+        if ('' != $this->options['password']) {
+            $this->handler->auth($this->options['password']);
+        }
+    }
+
+    /**
+     * 读取缓存
+     * @access public
+     * @param string $name 缓存变量名
+     * @return mixed
+     */
+    public function get($name)
+    {
+        $value    = $this->handler->get($this->options['prefix'] . $name);
+        $jsonData = json_decode($value, true);
+        // 检测是否为JSON数据 true 返回JSON解析数组, false返回源数据 byron sampson<xiaobo.sun@qq.com>
+        return (null === $jsonData) ? $value : $jsonData;
+    }
+
+    /**
+     * 写入缓存
+     * @access public
+     * @param string    $name 缓存变量名
+     * @param mixed     $value  存储数据
+     * @param integer   $expire  有效时间（秒）
+     * @return boolean
+     */
+    public function set($name, $value, $expire = null)
+    {
+        if (is_null($expire)) {
+            $expire = $this->options['expire'];
+        }
+        $name = $this->options['prefix'] . $name;
+        //对数组/对象数据进行缓存处理，保证数据完整性  byron sampson<xiaobo.sun@qq.com>
+        $value = (is_object($value) || is_array($value)) ? json_encode($value) : $value;
+        if (is_int($expire) && $expire) {
+            $result = $this->handler->setex($name, $expire, $value);
+        } else {
+            $result = $this->handler->set($name, $value);
+        }
+        return $result;
+    }
+
+    /**
+     * 删除缓存
+     * @access public
+     * @param string $name 缓存变量名
+     * @return boolean
+     */
+    public function rm($name)
+    {
+        return $this->handler->delete($this->options['prefix'] . $name);
+    }
+
+    /**
+     * 清除缓存
+     * @access public
+     * @return boolean
+     */
+    public function clear()
+    {
+        return $this->handler->flushDB();
+    }
+
+    /**
+     * 返回句柄对象，可执行其它高级方法
+     *
+     * @access public
+     * @return object
+     */
+    public function handler()
+    {
+        return $this->handler;
+    }
+}