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							- <?php
 
- namespace KIF\Dao;
 
- use KIF\Exception\DaoException;
 
- use KIF\Verify;
 
- use KIF\Exception\ParamsException;
 
- use Exception;
 
- use KIF\Db\MySQLi;
 
- use KIF\Dao\SqlHelper;
 
- use KIF\Core\Config;
 
- use KIF\Cache\Memcached;
 
- use KIF\Math\Math;
 
- /**
 
-  * 数据库操作的抽象类
 
-  * @author gaoxiaogang@yoka.com
 
-  *
 
-  */
 
- abstract class AbstractDao {
 
-     /**
 
-      * 数据表名
 
-      * 该抽象类针对表的操作(如:delete、create、findBy)都是基于该属性。由继承的子类填充该值。
 
-      * 好处:1、如果继承的子类只针对一个表,把tableName设为静态表名即可。
 
-      * 2、如果继承的子类针对一类表操作(如根据某个唯一标志把相同结构的数据hash到多张表中),则针对不同表操作时,动态设置该值
 
-      * @var string
 
-      */
 
-     protected $tableName;
 
-     /**
 
-      * 表的主键名。默认为id
 
-      * @var string
 
-      */
 
-     protected $primaryKey = 'id';
 
-     
 
-     /**
 
-      * 
 
-      * 是否使用缓存
 
-      * @var boolean
 
-      */
 
-     private $useCache = false;
 
-     
 
-     /**
 
-      * 
 
-      * 缓存失效时间 ,默认1小时
 
-      * @var int
 
-      */
 
-     private $cache_expiration = 3600;
 
-     
 
-     /**
 
-      * 
 
-      * 存放这个数据表的缓存标志。
 
-      * 目的:清空这个标志,能清空这张表的所有行记录缓存
 
-      * @var string
 
-      */
 
-     private $tableCacheFlag;
 
-     
 
-     /**
 
-      * 
 
-      * 用于缓存表记录的memcache缓存集群标志
 
-      * 优先使用config里的 memcached->dao_cache;如不存在,则使用 memcached->default;如仍不存在,则不启用缓存.
 
-      * @var string
 
-      */
 
-     private $memcacheClusterFlag;
 
-     /**
 
-      *
 
-      * 插入行为
 
-      * @var string
 
-      */
 
-     const PARAM_CREATE_ACTION_INSERT = 'INSERT INTO';
 
-     /**
 
-      *
 
-      * 插入,但重复时忽略
 
-      * @var string
 
-      */
 
-     const PARAM_CREATE_ACTION_INSERT_IGNORE = 'INSERT IGNORE';
 
-     /**
 
-      *
 
-      * 插入,但重复时完全replace
 
-      * @var string
 
-      */
 
-     const PARAM_CREATE_ACTION_REPLACE = 'REPLACE INTO';
 
-     /**
 
-      *
 
-      * 插入,但重复时自动转为update
 
-      * @var string
 
-      */
 
-     const PARAM_CREATE_ACTION_ONDUPLICATE = 'ON DUPLICATE KEY UPDATE';
 
-     /**
 
-      * 数据库实例,可被动态切换到主库或从库
 
-      *
 
-      * @var KIF\Db\MySQLi
 
-      */
 
-     protected $db;
 
-     
 
-     /**
 
-      * 
 
-      * mysql集群标志
 
-      * @var string
 
-      */
 
-     private $cluster_flag;
 
-     /**
 
-      * 
 
-      * @param string $cluster_flag mysql集群标志
 
-      * 
 
-      */
 
-     public function __construct($cluster_flag = 'default') {
 
-     	$appConfig = Config::getInstance()->current();
 
-     	$dbConfig = $appConfig['db'];
 
-     	
 
-     	if (!$dbConfig || !isset($dbConfig[$cluster_flag]) || !is_string($dbConfig[$cluster_flag])) {
 
-     		throw new ParamsException("load config error:{$dbConfig}");
 
-     	}
 
-     	$this->cluster_flag = $cluster_flag;
 
-     	
 
-     	if (isset($appConfig['memcached']['dao_cache'])) {
 
-     		$this->memcacheClusterFlag = 'dao_cache';
 
-     	} elseif (isset($appConfig['memcached']['default'])) {
 
-     		$this->memcacheClusterFlag = 'default';
 
-     	} else {# 没有缓存配置,不启用缓存
 
-     		$this->useCache(false);
 
-     	}
 
-     	$dsn = $dbConfig[$cluster_flag];
 
-     	$this->db = new MySQLi($dsn);
 
-     }
 
-     /**
 
-      *
 
-      * 获取设置的主键名
 
-      * @return string
 
-      */
 
-     public function getPrimaryKey() {
 
-     	return $this->primaryKey;
 
-     }
 
-     /**
 
-      * 设置表名
 
-      * 动态设置表名是为了拆表
 
-      * @param $tableName
 
-      */
 
-     public function setTableName($tableName) {
 
-         $this->tableName = $tableName;
 
-     }
 
-     
 
-     /**
 
-      * 
 
-      * 控制是否使用缓存。使用缓存,会将数据表的行记录缓存起来,极大的提高效率和高可用;同时也会在记录删除、更新时,清空对应的缓存。
 
-      * @param boolean $useCache
 
-      */
 
-     public function useCache($useCache = true) {
 
-     	$this->useCache = (bool) $useCache;
 
-     }
 
-     /**
 
-      * 解析条件
 
-      * @param array|string $condition
 
-      * @throws Exception parameter errors
 
-      * @return string
 
-      */
 
-     public function parseCondition($condition = null) {
 
-         if(empty($condition)) return '';
 
-         
 
-         // 如果条件语句是字符串 直接拼接
 
-         if(is_string($condition)){
 
-         	return "
 
-             WHERE ". $condition ." ";
 
-         }
 
-         // 如果不是字符串 强制传递数组 如果不是数组抛异常
 
-         if(!is_array($condition)){
 
-         	throw new Exception('parameter errors');
 
-         }
 
- 		$condition = $this->quote($condition);
 
-         $where = array();
 
-         foreach($condition as $tmpK => $tmpV) {
 
-         	# 避免条件字段重复,支持二维数组。比如$conditon = array(
 
-         	# 	array(
 
-         	#		'publish_time'	=> SqlHelper::addCompareOperator(">=", $s_ts),
 
-         	#	),
 
-         	#	array(
 
-         	#		'publish_time'	=> SqlHelper::addCompareOperator("<", $e_ts),
 
-         	#	),
 
-         	# );
 
-         	# 以前只能这样变相支持:$condition = array(
 
-         	# 	'publish_time'	=> SqlHelper::addCompareOperator(">=", $s_ts),
 
-         	#	'`publish_time`'	=> SqlHelper::addCompareOperator("<", $e_ts),
 
-         	# );
 
-         	if (Verify::naturalNumber($tmpK)) {
 
-         		list($key, $val) = each($tmpV);
 
-         	} else {
 
-         		$key = $tmpK;
 
-         		$val = $tmpV;
 
-         	}
 
-         	
 
-         	if (strpos($key, '`') === false // 没用使用 ` 字符,比如 `status`
 
-         		&& strpos($key, '(') === false) // 也不含有括号(即不是函数),比如 last_insert_id(status)
 
-         	{
 
-         		$key = "`{$key}`";
 
-         	}
 
-             if(is_scalar($val)) {
 
-                 $where[] = "{$key} " . SqlHelper::explodeCompareOperator($val);
 
-             } elseif(is_array($val)) {
 
-                 $where[] = "{$key} IN (".join(',', $val).")";
 
-             } else {
 
-                 throw new Exception('parameter errors');
 
-             }
 
-         }
 
-         return "
 
-             WHERE ".join(' && ', $where)."
 
-         ";
 
-     }
 
-     /**
 
-      * 根据条件查找主键id列表集
 
-      * 做这个方法,是出于架构上的考虑。只取出主键id集,然后通过主键id集才去取数据(内存或数据库)
 
-      * @param array|String $condition 条件
 
-      * @param string | int $limit 指定分页
 
-      * @param string $order 指定排序
 
-      * @return array 如:array(123, 124)。无值时返回空数组
 
-      */
 
-     public function findIdsBy($condition = null, $limit = null, $order = null) {
 
-         $result = $this->findBy($condition, $this->primaryKey, $limit, $this->primaryKey, $order);
 
-         if (! $result) {
 
-             return array();
 
-         }
 
-         return array_keys($result);
 
-     }
 
-     /**
 
-      * 查找的底层方法。对查找只提供有限支持,太复杂的查询请手动sql
 
-      * final 让该方法禁止被继承
 
-      * 1、根据条件查找,多条件只支持 与(&&),不支持或之类的
 
-      * 2、支持limit
 
-      * 3、group by
 
-      * @param array|string $condition
 
-      * @param string $returnAssociateKey 如果指定该指,返回的值不再以0,1,2为key,而是以其对应的值为key
 
-      * @param string | int $limit
 
-      * @param string $selectCols 要获取的列。语法:id, uid ,默认为 *
 
-      * @param string $order 指定排序
 
-      * @return array
 
-      */
 
-     final public function findBy($condition = null, $returnAssociateKey = null, $limit = null, $selectCols = '*', $order = null) {
 
-         $where = $this->parseCondition($condition);
 
-         if (!isset($limit) || !preg_match('#^(?:\d+\s*,\s*)?\d+$#', $limit)) {
 
-             $strLimit = ' ';
 
-         } else {
 
-             $strLimit = " LIMIT $limit ";
 
-         }
 
-         $strOrder = '';
 
-         if(!empty($order)) {
 
-             $strOrder = " ORDER BY {$order} ";
 
-         }
 
-         if(!isset($selectCols)) {
 
-             $selectCols = '*';
 
-         }
 
-         $sql = "SELECT {$selectCols} FROM {$this->tableName}
 
-             {$where}
 
-             {$strOrder}
 
-             {$strLimit}
 
-             ;
 
-         ";
 
-         return $this->db->fetchAll($sql, $returnAssociateKey);
 
-     }
 
-     public function fetchOne($condition = null, $selectCols = '*', $order = null) {
 
-         $result = self::findBy($condition, null, 1, $selectCols, $order);
 
-         if (!$result) {
 
-         	return false;
 
-         }
 
-         return array_pop($result);
 
-     }
 
-     /**
 
-      * 获取所有
 
-      * @param string $order 排序方式。默认以主键倒序;有效的格式:"create_time desc"
 
-      * @param string $limit 该参数用于支持分页,默认为不使用分页。格式 "offset, length"
 
-      * @return array
 
-      */
 
-     public function getsAll($order = null, $limit = null) {
 
-         $ids = self::getsAllIds($order, $limit);
 
-         return $this->gets($ids);
 
-     }
 
-     /**
 
-      * 获取所有id列表集
 
-      * @param string $order 排序方式。默认以主键倒序;有效的格式:"create_time desc"
 
-      * @param string $limit 该参数用于支持分页,默认为不使用分页。格式 "offset, length"
 
-      * @return array
 
-      */
 
-     public function getsAllIds($order = null, $limit = null) {
 
-     	if (is_null($order)) {
 
-             $order = "{$this->primaryKey} desc";
 
-         }
 
-         if (!is_string($order)) {
 
-             throw new Exception('$order 必须是字符串或null');
 
-         }
 
-         $condition = null;
 
-         $ids = self::findIdsBy($condition, $limit, $order);
 
-         return $ids;
 
-     }
 
-     /**
 
-      * 获取指定$id
 
-      * @param int | string $id
 
-      * @return false | array
 
-      */
 
-     public function get($id) {
 
-         if (Verify::int($id)) {
 
-             if ($id < 1) {
 
-                 return false;
 
-             }
 
-         } elseif (is_string($id)) {
 
-             if (strlen($id) == 0) {
 
-                 return false;
 
-             }
 
-         } else {
 
-             return false;
 
-         }
 
-         $result = self::gets(array($id));// 调用该类自身的gets方法,而不是继承者的gets方法!
 
-         if (!$result) {
 
-             return false;
 
-         }
 
-         return array_pop($result);
 
-     }
 
-     /**
 
-      * 批量获取信息
 
-      * @param array $ids id组成的数组
 
-      * @return array 无结果时返回空数组
 
-      */
 
-     public function gets(array $ids) {
 
-     	$return = array();
 
-         if (empty($ids)) {
 
-             return $return;
 
-         }
 
-         $ids = array_unique($ids);
 
-         
 
-     	# 从缓存取 
 
-         $cache_return = self::getsFromCache($ids);
 
-         $non_cache_ids = array_diff($ids, array_keys($cache_return));
 
-         if (!$non_cache_ids) {
 
-         	return $cache_return;
 
-         }
 
-         
 
-         # 从DB取
 
-         $db_return = self::getsFromDB($non_cache_ids);
 
-         if ($db_return) {
 
-         	self::setToCache($db_return);
 
-         }
 
-         foreach ($ids as $id) {
 
-         	if (isset($cache_return[$id])) {
 
-         		$return[$id] = $cache_return[$id];
 
-         		continue;
 
-         	}
 
-         	
 
-         	if (isset($db_return[$id])) {
 
-         		$return[$id] = $db_return[$id];
 
-         		continue;
 
-         	}
 
-         }
 
-         
 
-         return $return;
 
-     }
 
-     
 
-     /**
 
-      * 
 
-      * 从后端数据库取结果
 
-      * @param array $ids
 
-      * @return array 格式:array(
 
-      * 		(int) id => (mixed) value,
 
-      * 		... ,
 
-      * )
 
-      * 
 
-      */
 
-     private function getsFromDB(array $ids) {
 
-     	$return = array();
 
-     	$condition = array(
 
-             $this->primaryKey => $ids,
 
-         );
 
-         $result = $this->findBy($condition, $this->primaryKey);
 
-         if (!$result) {
 
-             return $return;
 
-         }
 
-         foreach ($ids as $id) {
 
-         	$id = (string) $id;// php的数组下标是int整时,如果超出了操作系统平台的最大有符号正整数后,会取不到值。转成字符串型,解决这个bug
 
-             if (array_key_exists($id, $result)) {
 
-                 $return[$id] = $result[$id];
 
-             }
 
-         }
 
-         return $return;
 
-     }
 
-     
 
-     /**
 
-      * 
 
-      * 获取表缓存的标志。后续这个表里每行的缓存,都会关联上这个表缓存标志。
 
-      * 所以只要清空这个标志,即可使整个表记录的缓存失效。
 
-      * @Exception DaoException::CACHE_SET_TABLE_FLAG_ERROR
 
-      * @Exception DaoException::CACHE_SERVICE_UNAVAILABLE
 
-      * @return String
 
-      */
 
-     public function getTableCacheFlag() {
 
-     	if ($this->tableCacheFlag) {
 
-     		return $this->tableCacheFlag;
 
-     	}
 
-     	
 
-     	$dbconfig = Config::getInstance()->get('db');
 
-     	$cacheKey_elements = array(
 
-     		serialize($dbconfig[$this->cluster_flag]),
 
-     		$this->tableName,
 
-     		'table_cache_flag',
 
-     	);
 
-     	$key = Math::md5_16(join($cacheKey_elements, '::'));
 
-     	$objMemcached = new Memcached($this->memcacheClusterFlag);
 
-     	$tmpGetResult = $objMemcached->get($key);
 
-     	if ($tmpGetResult) {
 
-     		$this->tableCacheFlag = $tmpGetResult;
 
-     		return $this->tableCacheFlag;
 
-     	}
 
-     	
 
-     	if (is_null($tmpGetResult)) {// 缓存不存在,建立
 
-     		$tmpVal = microtime(true);
 
-     		if ($objMemcached->set($key, $tmpVal, 0)) {// 永不过期
 
-     			$this->tableCacheFlag = $tmpVal;
 
-     			return $this->tableCacheFlag;
 
-     		}
 
-     		
 
-     		# TODO 设置缓存失败的处理
 
-     		throw new DaoException(DaoException::CACHE_SET_TABLE_FLAG_ERROR);
 
-     	}
 
-     	
 
-     	if (!$tmpGetResult) {
 
-     		# TODO memcache服务不可用的处理
 
-     		throw new DaoException(DaoException::CACHE_SERVICE_UNAVAILABLE);
 
-     	}
 
-     }
 
-     
 
-     /**
 
-      * 
 
-      * 获取指定ids集对应的缓存key集
 
-      * @param array $ids  array(13343, 9939);
 
-      * @Exception DaoException::CACHE_SET_TABLE_FLAG_ERROR
 
-      * @Exception DaoException::CACHE_SERVICE_UNAVAILABLE
 
-      * @return array 格式:array(
 
-      *  (int) id => (string) cacheKey,
 
-      *  ... ,
 
-      * 
 
-      * )
 
-      */
 
-     public function getsCacheKeys(array $ids) {
 
-     	$tableCacheFlag = $this->getTableCacheFlag();
 
-     	$cacheKeys = array();
 
-     	$dbconfig = Config::getInstance()->get('db');
 
-     	foreach ($ids as $id) {
 
-     		$cacheKey_elements = array(
 
-     			$tableCacheFlag,
 
-     			serialize($dbconfig[$this->cluster_flag]),
 
-     			$this->tableName,
 
-     			$id,
 
-     			'row_cache',// 这是针对数据库记录行的缓存
 
-     		);
 
-     		$cacheKeys[$id] = Math::md5_16(join($cacheKey_elements, '::'));
 
-     	}
 
-     	
 
-     	return $cacheKeys;
 
-     }
 
-     
 
-     /**
 
-      * 
 
-      * 从缓存里取数据表对应的行记录
 
-      * @param array $ids
 
-      * @return array 只返回缓存里有的值,如果缓存里没有任何值,则返回空数组
 
-      */
 
-     private function getsFromCache(array $ids) {
 
-     	$return = array();
 
-     	if (!$this->useCache) {
 
-     		return $return;
 
-     	}
 
-     	try {
 
-     		$cacheKeys = self::getsCacheKeys($ids);
 
-     	} catch (DaoException $e) {
 
-     		return $return;
 
-     	}
 
-     	
 
-     	$objMemcached = new Memcached($this->memcacheClusterFlag);
 
-     	$cacheVals = $objMemcached->gets($cacheKeys);
 
-     	
 
-     	$cache_return = array_combine(array_keys($cacheKeys), $cacheVals);
 
-     	foreach ($cacheVals as $tmpK => $tmpV) {
 
-     		if (is_null($tmpV)) {
 
-     			continue;
 
-     		}
 
-     		
 
-     		$return[array_search($tmpK, $cacheKeys)] = $tmpV;
 
-     	}
 
-     	
 
-     	return $return;
 
-     }
 
-     
 
-     /**
 
-      * 
 
-      * 从缓存里将$id对应的行记录删除
 
-      * @param int $id
 
-      * @throws Exception
 
-      * @return Boolean
 
-      */
 
-     private function deleteFromCache($id) {
 
-     	if (!$this->useCache) {
 
-     		return false;
 
-     	}
 
-     	$objMemcached = new Memcached($this->memcacheClusterFlag);
 
-     	
 
-     	if (Verify::unsignedInt($id)) {
 
- 	    	try {
 
- 	    		$cacheKeys = self::getsCacheKeys(array($id));
 
- 	    	} catch (DaoException $e) {
 
- 	    		return false;
 
- 	    	}
 
-     		return $objMemcached->delete(array_pop($cacheKeys));
 
-     	}
 
-     	
 
-     	if (is_array($id) && !empty($id)) {
 
-     		try {
 
- 	    		$cacheKeys = self::getsCacheKeys($id);
 
- 	    	} catch (DaoException $e) {
 
- 	    		return false;
 
- 	    	}
 
- 	    	
 
-     		if (count($cacheKeys) == 1) {
 
-     			return $objMemcached->delete(array_pop($cacheKeys));
 
-     		}
 
-     		return $objMemcached->deletes($cacheKeys);
 
-     	}
 
-     	
 
-     	return false;
 
-     }
 
-     
 
-     /**
 
-      * 
 
-      * 清除缓存的这张表的所有记录
 
-      * @return Boolean
 
-      */
 
-     public function deleteAllCaches() {
 
-     	if (!$this->useCache) {
 
-     		return false;
 
-     	}
 
-     	
 
-     	try {
 
-     		$tableCacheFlag = $this->getTableCacheFlag();
 
-     	} catch (DaoException $e) {
 
-     		return false;
 
-     	}
 
-     	
 
-     	$objMemcached = new Memcached($this->memcacheClusterFlag);
 
-     	return $objMemcached->delete($tableCacheFlag);
 
-     }
 
-     
 
-     /**
 
-      * 
 
-      * 将gets出来的结果集,存到缓存
 
-      * @param array $results
 
-      * @return boolean
 
-      */
 
-     private function setToCache(array $results) {
 
-     	if (!$this->useCache) {
 
-     		return false;
 
-     	}
 
-     	if (!$results) {
 
-     		return false;
 
-     	}
 
-     	try {
 
-     		$cacheKeys = self::getsCacheKeys(array_keys($results));
 
-     	} catch (DaoException $e) {
 
-     		return false;
 
-     	}
 
-     	$objMemcached = new Memcached($this->memcacheClusterFlag);
 
-     	return $objMemcached->sets(array_combine($cacheKeys, $results), $this->cache_expiration);
 
-     }
 
-     /**
 
-      * 创建一条记录
 
-      * @param array $tableInfo 待插入的数据
 
-      * @param boolean $isAutoIncrement 操作成功时,如果该值为true,返回最后插入的id;否则返回true
 
-      * @return boolean | int
 
-      */
 
-     private function _create(array $tableInfo, $isAutoIncrement = true, $action = self::PARAM_CREATE_ACTION_INSERT) {
 
-         if(empty($tableInfo)) return false;
 
-         switch($action) {
 
-             case self::PARAM_CREATE_ACTION_INSERT :
 
-             case self::PARAM_CREATE_ACTION_INSERT_IGNORE :
 
-             case self::PARAM_CREATE_ACTION_REPLACE :
 
-                 break;
 
-             default:
 
-                 throw new Exception('error insert action');
 
-         }
 
-         $sql = "{$action} {$this->tableName}
 
-             SET
 
-         ";
 
-         $sqlSets = '';
 
-         $tableInfo = $this->quote($tableInfo);
 
-         foreach($tableInfo as $key => $val) {
 
-             if($sqlSets != '') $sqlSets .= ' ,';
 
-             $sqlSets .= "
 
-                `{$key}` = {$val}
 
-             ";
 
-         }
 
-         $sql .= $sqlSets;
 
-         if($this->db->query($sql)) {
 
-             if($isAutoIncrement) {
 
-                 $id = $this->db->insertId();
 
-                 
 
-                 # 清空这条记录的缓存
 
-                 self::deleteFromCache($id);
 
-                 
 
-                 return $id > 0 ? $id : true;
 
-             } else {
 
-                 return true;
 
-             }
 
-         }
 
-         return false;
 
-     }
 
-     /**
 
-      * 创建一条记录,如果重复,则替换
 
-      * @param array $tableInfo 待插入的数据
 
-      * @param boolean $isAutoIncrement 操作成功时,如果该值为true,返回最后插入的id;否则返回true
 
-      * @return boolean | int
 
-      */
 
-     public function replace(array $tableInfo, $isAutoIncrement = true) {
 
-         return $this->_create($tableInfo, $isAutoIncrement, self::PARAM_CREATE_ACTION_REPLACE);
 
-     }
 
-     /**
 
-      * 创建一条记录
 
-      * @param array $tableInfo 待插入的数据
 
-      * @param boolean $isAutoIncrement 操作成功时,如果该值为true,返回最后插入的id;否则返回true
 
-      * @return boolean | int
 
-      */
 
-     public function create(array $tableInfo, $isAutoIncrement = true) {
 
-         return $this->_create($tableInfo, $isAutoIncrement, self::PARAM_CREATE_ACTION_INSERT);
 
-     }
 
-     /**
 
-      * 创建一条记录,如果重复,则忽略
 
-      * @param array $tableInfo 待插入的数据
 
-      * @param boolean $isAutoIncrement 操作成功时,如果该值为true,返回最后插入的id;否则返回true
 
-      * @return boolean | int PS:$isAutoIncrement = true时:1、如果插入了,返回自动id值;2、如果已存在,返回true。
 
-      */
 
-     public function insertIgnore(array $tableInfo, $isAutoIncrement = true) {
 
-         return $this->_create($tableInfo, $isAutoIncrement, self::PARAM_CREATE_ACTION_INSERT_IGNORE);
 
-     }
 
-     /**
 
-      *
 
-      * 插入一条记录,如果重复,自动转为更新语句
 
-      * @param array $tableInfo
 
-      * @param array $onDuplicate 如果重复时,需要更新的信息。如果不指定,则使用$tableInfo的值,即认为要全部更新
 
-      * @return int | Boolean
 
-      * 		   int:只要存在,无论之前记录是否存在,都会返回记录的id;
 
-      * 		   true:执行成功,但获取记录id时失败;
 
-      * 		   false:执行失败
 
-      */
 
-     public function insertDuplicate(array $tableInfo, array $onDuplicate = array()) {
 
-     	if (!$tableInfo) {
 
-     		return false;
 
-     	}
 
-     	$tmpArrKeys = array();
 
- 		foreach ($tableInfo as $tmpKey => $tmpV) {
 
- 			$tmpArrKeys[] = "`{$tmpKey}`";
 
- 		}
 
- 		$sql = "INSERT INTO {$this->tableName} (" . join(', ', $tmpArrKeys). ") VALUES ";
 
-         $tmpArrValues = array();
 
-         $new_tableInfo = $this->quote($tableInfo);
 
-         foreach ($new_tableInfo as $tmpKey => $tmpV) {
 
- 			$tmpArrValues[] = $tmpV;
 
-         }
 
-         $sql .= " ( " . join(', ', $tmpArrValues) . " ) ";
 
-         $sql .= "
 
-             ON DUPLICATE KEY UPDATE
 
-         ";
 
-         $tmpArrDps = array();
 
-         if (empty($onDuplicate)) {
 
-         	$onDuplicate = $tableInfo;
 
-         }
 
-         $new_onDuplicate = $this->quote($onDuplicate);
 
- 		foreach ($new_onDuplicate as $tmpKey => $tmpV) {
 
- 			$tmpArrDps[] = " `{$tmpKey}` = {$tmpV} ";
 
- 		}
 
- 		$sql .= join(', ', $tmpArrDps);
 
- 		if (!$this->db->query($sql)) {
 
- 			return false;
 
- 		}
 
- 		$id = $this->db->insertId();
 
- 		
 
- 		# 清空这条记录的缓存
 
-         self::deleteFromCache($id);
 
-         
 
-         return $id > 0 ? $id : true;
 
-     }
 
-     /**
 
-      * 根据条件更新指定数据
 
-      * @param array $tableInfo 待更新的数据(与数据库字段对应的数据)
 
-      * @param array $condition 条件(与数据库字段对应的数据)
 
-      * @return boolean
 
-      */
 
-     public function update(array $tableInfo, array $condition) {
 
-         if(empty($tableInfo)) return false;
 
-         $sql = "UPDATE {$this->tableName}
 
-             SET
 
-         ";
 
-         $sqlSets = '';
 
-         foreach($tableInfo as $key => $val) {
 
-             if($sqlSets != '') $sqlSets .= ' ,';
 
-             $sqlSets .= "
 
-                `{$key}` = {$this->quote($val)}
 
-             ";
 
-         }
 
-         $sql .= $sqlSets;
 
-         $where = $this->parseCondition($condition);
 
-         $sql .= "
 
-             {$where}
 
-             ;
 
-         ";
 
-         $tmpQueryResult = $this->db->query($sql);
 
-         
 
-         if ($tmpQueryResult) {
 
-         	if (isset($condition[$this->primaryKey])) {
 
-         		# 清空这条记录的缓存,条件里有可能是一批ids
 
-         		self::deleteFromCache($condition[$this->primaryKey]);
 
-         	} else {
 
-         		$this->deleteAllCaches();
 
-         	}
 
-         }
 
-         
 
-         return $tmpQueryResult;
 
-     }
 
-     /**
 
-      * 根据条件删除数据
 
-      * @param Array|String $condition 条件
 
-      * @return boolean
 
-      */
 
-     public function delete($condition) {
 
-         $where = $this->parseCondition($condition);
 
-         $sql = "DELETE FROM {$this->tableName}
 
-             {$where}
 
-             ;
 
-         ";
 
-            
 
-         $tmpQueryResult = $this->db->query($sql);
 
-         
 
-         if ($tmpQueryResult) {
 
-         	if (isset($condition[$this->primaryKey])) {
 
-         		# 清空这条记录的缓存,条件里有可能是一批ids
 
-         		self::deleteFromCache($condition[$this->primaryKey]);
 
-         	} else {
 
-         		$this->deleteAllCaches();
 
-         	}
 
-         }
 
-         
 
-         return $tmpQueryResult;
 
-     }
 
-     /**
 
-      * 转义数据
 
-      * @param mixed $data
 
-      */
 
-     public function quote($data) {
 
-         return SqlHelper::escape($data, true);
 
-     }
 
-     /**
 
-      * 判断给定的值是否是有效的自增主键值
 
-      * @param mixid $pk
 
-      * @return boolean
 
-      */
 
-     static protected function isValidPK($pk) {
 
-         return SqlHelper::isValidPK($pk);
 
-     }
 
-     /**
 
-      * 判断给定数组的某个key的值,是否是有效的自增主键值
 
-      * @param array $arr
 
-      * @param mixid $key
 
-      * @return boolean
 
-      */
 
-     static protected function isValidPKWithArray(array $arr, $key) {
 
-         return SqlHelper::isValidPKWithArray($arr, $key);
 
-     }
 
-     /**
 
-      * 获取指定条件的记录数
 
-      * @return int
 
-      */
 
-     public function totals($condtion = null){
 
-         $result = $this->findBy($condtion, null, null, "count(*)");
 
-         if (!$result) {
 
-             return 0;
 
-         }
 
-         return (int) array_pop(array_pop($result));
 
-     }
 
- }
 
 
  |