说明
好像是tp3.2的bug,自带的redis驱动不是那么好用。。。找了方法修改优化了一下，亲测可用。
- 确认已经安装了redis服务器
- 确认php中已经安装了redis扩展
- TP版本：thinkphp_3.2.3_full.zip
S缓存使用redis
复制以下内容到文本中，改名为Redis.class.php。
替换ThinkPHP\Library\Think\Cache\Driver\Redis.class.php（注意先备份）
<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2013 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
namespace Think\Cache\Driver;
use Think\Cache;
defined('THINK_PATH') or exit();
/**
* Redis缓存驱动
*/
class Redis extends Cache {
/**
* 架构函数
* @param array $options 缓存参数
* @access public
*/
public function __construct($options=array()) {
if ( !extension_loaded('redis') ) {
E(L('_NOT_SUPPERT_').':redis');
}
if(empty($options)) {
$options = array (
'host' => C('REDIS_HOST') ? C('REDIS_HOST') : '127.0.0.1',
'port' => C('REDIS_PORT') ? C('REDIS_PORT') : 6379,
'timeout' => C('REDIS_TIMEOUT') ? C('REDIS_TIMEOUT') : false,
'auth' => C('REDIS_AUTH') ? C('REDIS_AUTH'):null,//auth认证
'persistent' => C('REDIS_PERSISTENT') ? C('REDIS_PERSISTENT') : false,
);
}
$this->options = $options;
$this->options['expire'] = isset($options['expire'])? $options['expire'] : C('DATA_CACHE_TIME');
$this->options['prefix'] = isset($options['prefix'])? $options['prefix'] : C('DATA_CACHE_PREFIX');
$this->options['length'] = isset($options['length'])? $options['length'] : 0;
$func = $options['persistent'] ? 'pconnect' : 'connect';
$this->handler = new \Redis;
$options['timeout'] === false ?
$this->handler->$func($options['host'], $options['port']) :
$this->handler->$func($options['host'], $options['port'], $options['timeout']);
//Auth参数
if($this->options['auth']!=null)
{
$this->handler->auth($this->options['auth']);
}
}
/**
* 读取缓存
* @access public
* @param string $name 缓存变量名
* @return mixed
*/
public function get($name) {
N('cache_read',1);
$value = $this->handler->get($this->options['prefix'].$name);
$jsonData = json_decode( $value, true );
return ($jsonData === NULL) ? $value : $jsonData; //检测是否为JSON数据 true 返回JSON解析数组, false返回源数据
}
/**
* 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, $expire = null) {
N('cache_write',1);
if(is_null($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
$value = (is_object($value) || is_array($value)) ? json_encode($value) : $value;
if(is_int($expire)) {
$result = $this->handler->setex($name, $expire, $value);
}else{
$result = $this->handler->set($name, $value);
}
if($result && $this->options['length']>0) {
// 记录缓存队列
$this->queue($name);
}
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();
}
}
SESSION使用redis
复制以下内容到文本中，改名为Redis.class.php。
复制到ThinkPHP\Library\Think\Session\Driver\Redis.class.php
<?php
/**
* +----------------------------------------------------------------------
* | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
* +----------------------------------------------------------------------
* | Copyright (c) 2006-2013 http://thinkphp.cn All rights reserved.
* +----------------------------------------------------------------------
* | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
* +----------------------------------------------------------------------
*/
namespace Think\Session\Driver;
/**
* Redis Session驱动
*/
class Redis {
/**
* Redis句柄
*/
private $handler;
private $get_result;
public function __construct(){
if ( !extension_loaded('redis') ) {
E(L('_NOT_SUPPERT_').':redis');
}
if(empty($options)) {
$options = array (
'host' => C('REDIS_HOST') ? C('REDIS_HOST') : '127.0.0.1',
'port' => C('REDIS_PORT') ? C('REDIS_PORT') : 6379,
'timeout' => C('REDIS_TIMEOUT') ? C('REDIS_TIMEOUT') : false,
'persistent' => C('REDIS_PERSISTENT') ? C('REDIS_PERSISTENT') : false,
'auth' => C('REDIS_AUTH') ? C('REDIS_AUTH') : false,
);
}
$options['host'] = explode(',', $options['host']);
$options['port'] = explode(',', $options['port']);
$options['auth'] = explode(',', $options['auth']);
foreach ($options['host'] as $key=>$value) {
if (!isset($options['port'][$key])) {
$options['port'][$key] = $options['port'][0];
}
if (!isset($options['auth'][$key])) {
$options['auth'][$key] = $options['auth'][0];
}
}
$this->options = $options;
$expire = C('SESSION_EXPIRE');
$this->options['expire'] = isset($expire) ? (int)$expire : (int)ini_get('session.gc_maxlifetime');;
$this->options['prefix'] = isset($options['prefix']) ? $options['prefix'] : C('SESSION_PREFIX');
$this->handler = new \Redis;
}
/**
* 连接Redis服务端
* @access public
* @param bool $is_master : 是否连接主服务器
*/
public function connect($is_master = true) {
if ($is_master) {
$i = 0;
} else {
$count = count($this->options['host']);
if ($count == 1) {
$i = 0;
} else {
$i = rand(1, $count - 1); //多个从服务器随机选择
}
}
$func = $this->options['persistent'] ? 'pconnect' : 'connect';
try {
if ($this->options['timeout'] === false) {
$result = $this->handler->$func($this->options['host'][$i], $this->options['port'][$i]);
if (!$result)
throw new \Think\Exception('Redis Error', 100);
} else {
$result = $this->handler->$func($this->options['host'][$i], $this->options['port'][$i], $this->options['timeout']);
if (!$result)
throw new \Think\Exception('Redis Error', 101);
}
if ($this->options['auth'][$i]) {
$result = $this->handler->auth($this->options['auth'][$i]);
if (!$result) {
throw new \Think\Exception('Redis Error', 102);
}
}
} catch ( \Exception $e ) {
exit('Error Message:'.$e->getMessage().'<br>Error Code:'.$e->getCode().'');
}
}
/**
+----------------------------------------------------------
* 打开Session
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @param string $savePath
* @param mixed $sessName
+----------------------------------------------------------
*/
public function open($savePath, $sessName) {
return true;
}
/**
+----------------------------------------------------------
* 关闭Session
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
*/
public function close() {
if ($this->options['persistent'] == 'pconnect') {
$this->handler->close();
}
return true;
}
/**
+----------------------------------------------------------
* 读取Session
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @param string $sessID
+----------------------------------------------------------
*/
public function read($sessID) {
$this->connect(0);
$this->get_result = $this->handler->get($this->options['prefix'].$sessID);
//延长有效期
$this->handler->expire($this->options['prefix'].$sessID,C('SESSION_EXPIRE'));
return $this->get_result;
}
/**
+----------------------------------------------------------
* 写入Session
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @param string $sessID
* @param String $sessData
+----------------------------------------------------------
*/
public function write($sessID, $sessData) {
if (!$sessData || $sessData == $this->get_result) {
return true;
}
$this->connect(1);
$expire = $this->options['expire'];
$sessID = $this->options['prefix'].$sessID;
if(is_int($expire) && $expire > 0) {
$result = $this->handler->setex($sessID, $expire, $sessData);
$re = $result ? 'true' : 'false';
}else{
$result = $this->handler->set($sessID, $sessData);
$re = $result ? 'true' : 'false';
}
return $result;
}
/**
+----------------------------------------------------------
* 删除Session
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @param string $sessID
+----------------------------------------------------------
*/
public function destroy($sessID) {
$this->connect(1);
return $this->handler->delete($this->options['prefix'].$sessID);
}
/**
+----------------------------------------------------------
* Session 垃圾回收
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @param string $sessMaxLifeTime
+----------------------------------------------------------
*/
public function gc($sessMaxLifeTime) {
return true;
}
/**
+----------------------------------------------------------
* 打开Session
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @param string $savePath
* @param mixed $sessName
+----------------------------------------------------------
*/
public function execute() {
session_set_save_handler(
array(&$this, "open"),
array(&$this, "close"),
array(&$this, "read"),
array(&$this, "write"),
array(&$this, "destroy"),
array(&$this, "gc")
);
}
public function __destruct() {
if ($this->options['persistent'] == 'pconnect') {
$this->handler->close();
}
session_write_close();
}
}
config 配置
//SESSION 配置
'SESSION_AUTO_START' => true, //是否开启session
'SESSION_TYPE' => 'Redis', //session 驱动
'SESSION_PREFIX' => 'sess_', //session前缀
'SESSION_EXPIRE' => '7200', //session有效期(单位:秒) 0表示永久缓存，当session被访问时，时间重新计算。
//缓存 配置
'DATA_CACHE_TYPE'=>'Redis',//默认动态缓存为Redis
'DATA_CACHE_PREFIX' => 'Redis_',//缓存前缀
'DATA_CACHE_TIME' => '0', //缓存时间 0为永久 当缓存被访问时，时间不重新计算
//Redis 配置
'REDIS_RW_SEPARATE' => true, //Redis读写分离 true 开启
'REDIS_HOST'=>'127.0.0.1', //redis服务器ip，多台用逗号隔开；读写分离开启时，第一台负责写，其它[随机]负责读；
'REDIS_PORT'=>'6379',//端口号
'REDIS_TIMEOUT'=>'30',//超时时间(秒)
'REDIS_PERSISTENT'=>false,//是否长连接 false=短连接
'REDIS_AUTH'=>'123456',//AUTH认证密码
测试
public function index(){
$test['a']='123';
$test['b']='1234';
$test['c']['a']='ca123';
$test['c']['b']='cb123';
S('test',$test);
$_SESSION['test']=$test;
echo "S缓存:</ br>";
dump(S('test'));
echo "SESSION:</ br>";
dump($_SESSION['test']);
exit;
}
使用redis管理工具查看
