<?php<liu21st@gmail.com>namespace Think;
class Model {
protected $db = null;
private $_db = array();
protected $pk = 'id';
protected $autoinc = false;
protected $tablePrefix = null;
protected $name = '';
protected $dbName = '';
protected $connection = '';
protected $tableName = '';
protected $trueTableName = '';
protected $error = '';
protected $fields = array();
protected $data = array();
protected $options = array();
protected $_validate = array(); protected $_auto = array(); protected $_map = array(); protected $_scope = array(); protected $autoCheckFields = true;
protected $patchValidate = false;
protected $methods = array('strict','order','alias','having','group','lock','distinct','auto','filter','validate','result','token','index','force');
public function __construct($name='',$tablePrefix='',$connection='') {
$this->_initialize();
if(!empty($name)) {
if(strpos($name,'.')) { list($this->dbName,$this->name) = explode('.',$name);
}else{
$this->name = $name;
}
}elseif(empty($this->name)){
$this->name = $this->getModelName();
}
if(is_null($tablePrefix)) $this->tablePrefix = '';
}elseif('' != $tablePrefix) {
$this->tablePrefix = $tablePrefix;
}elseif(!isset($this->tablePrefix)){
$this->tablePrefix = C('DB_PREFIX');
}
$this->db(0,empty($this->connection)?$connection:$this->connection,true);
}
protected function _checkTableInfo() {
if(empty($this->fields)) {
if(C('DB_FIELDS_CACHE')) {
$db = $this->dbName?:C('DB_NAME');
$fields = F('_fields/'.strtolower($db.'.'.$this->tablePrefix.$this->name));
if($fields) {
$this->fields = $fields;
if(!empty($fields['_pk'])){
$this->pk = $fields['_pk'];
}
return ;
}
}
$this->flush();
}
}
public function flush() {
$this->db->setModel($this->name);
$fields = $this->db->getFields($this->getTableName());
if(!$fields) { return false;
}
$this->fields = array_keys($fields);
unset($this->fields['_pk']);
foreach ($fields as $key=>$val){
$type[$key] = $val['type'];
if($val['primary']) {
if (isset($this->fields['_pk']) && $this->fields['_pk'] != null) {
if (is_string($this->fields['_pk'])) {
$this->pk = array($this->fields['_pk']);
$this->fields['_pk'] = $this->pk;
}
$this->pk[] = $key;
$this->fields['_pk'][] = $key;
} else {
$this->pk = $key;
$this->fields['_pk'] = $key;
}
if($val['autoinc']) $this->autoinc = true;
}
}
$this->fields['_type'] = $type;
if(C('DB_FIELDS_CACHE')){
$db = $this->dbName?:C('DB_NAME');
F('_fields/'.strtolower($db.'.'.$this->tablePrefix.$this->name),$this->fields);
}
}
public function __set($name,$value) {
$this->data[$name] = $value;
}
public function __get($name) {
return isset($this->data[$name])?$this->data[$name]:null;
}
public function __isset($name) {
return isset($this->data[$name]);
}
public function __unset($name) {
unset($this->data[$name]);
}
public function __call($method,$args) {
if(in_array(strtolower($method),$this->methods,true)) {
$this->options[strtolower($method)] = $args[0];
return $this;
}elseif(in_array(strtolower($method),array('count','sum','min','max','avg'),true)){
$field = isset($args[0])?$args[0]:'*';
return $this->getField(strtoupper($method).'('.$field.') AS tp_'.$method);
}elseif(strtolower(substr($method,0,5))=='getby') {
$field = parse_name(substr($method,5));
$where[$field] = $args[0];
return $this->where($where)->find();
}elseif(strtolower(substr($method,0,10))=='getfieldby') {
$name = parse_name(substr($method,10));
$where[$name] =$args[0];
return $this->where($where)->getField($args[1]);
}elseif(isset($this->_scope[$method])) return $this->scope($method,$args[0]);
}else{
E(__CLASS__.':'.$method.L('_METHOD_NOT_EXIST_'));
return;
}
}
protected function _initialize() {}
protected function _facade($data) {
if(!empty($this->fields)) {
if(!empty($this->options['field'])) {
$fields = $this->options['field'];
unset($this->options['field']);
if(is_string($fields)) {
$fields = explode(',',$fields);
}
}else{
$fields = $this->fields;
}
foreach ($data as $key=>$val){
if(!in_array($key,$fields,true)){
if(!empty($this->options['strict'])){
E(L('_DATA_TYPE_INVALID_').':['.$key.'=>'.$val.']');
}
unset($data[$key]);
}elseif(is_scalar($val)) {
$this->_parseType($data,$key);
}
}
}
if(!empty($this->options['filter'])) {
$data = array_map($this->options['filter'],$data);
unset($this->options['filter']);
}
$this->_before_write($data);
return $data;
}
protected function _before_write(&$data) {}
public function add($data='',$options=array(),$replace=false) {
if(empty($data)) {
if(!empty($this->data)) {
$data = $this->data;
$this->data = array();
}else{
$this->error = L('_DATA_TYPE_INVALID_');
return false;
}
}
$data = $this->_facade($data);
$options = $this->_parseOptions($options);
if(false === $this->_before_insert($data,$options)) {
return false;
}
$result = $this->db->insert($data,$options,$replace);
if(false !== $result && is_numeric($result)) {
$pk = $this->getPk();
if (is_array($pk)) return $result;
$insertId = $this->getLastInsID();
if($insertId) {
$data[$pk] = $insertId;
if(false === $this->_after_insert($data,$options)) {
return false;
}
return $insertId;
}
if(false === $this->_after_insert($data,$options)) {
return false;
}
}
return $result;
}
protected function _before_insert(&$data,$options) {}
protected function _after_insert($data,$options) {}
public function addAll($dataList,$options=array(),$replace=false){
if(empty($dataList)) {
$this->error = L('_DATA_TYPE_INVALID_');
return false;
}
foreach ($dataList as $key=>$data){
$dataList[$key] = $this->_facade($data);
}
$options = $this->_parseOptions($options);
$result = $this->db->insertAll($dataList,$options,$replace);
if(false !== $result ) {
$insertId = $this->getLastInsID();
if($insertId) {
return $insertId;
}
}
return $result;
}
public function save($data='',$options=array()) {
if(empty($data)) {
if(!empty($this->data)) {
$data = $this->data;
$this->data = array();
}else{
$this->error = L('_DATA_TYPE_INVALID_');
return false;
}
}
$data = $this->_facade($data);
if(empty($data)){
$this->error = L('_DATA_TYPE_INVALID_');
return false;
}
$options = $this->_parseOptions($options);
$pk = $this->getPk();
if(!isset($options['where']) ) {
if (is_string($pk) && isset($data[$pk])) {
$where[$pk] = $data[$pk];
unset($data[$pk]);
} elseif (is_array($pk)) {
foreach ($pk as $field) {
if(isset($data[$field])) {
$where[$field] = $data[$field];
} else {
$this->error = L('_OPERATION_WRONG_');
return false;
}
unset($data[$field]);
}
}
if(!isset($where)){
$this->error = L('_OPERATION_WRONG_');
return false;
}else{
$options['where'] = $where;
}
}
if(is_array($options['where']) && isset($options['where'][$pk])){
$pkValue = $options['where'][$pk];
}
if(false === $this->_before_update($data,$options)) {
return false;
}
$result = $this->db->update($data,$options);
if(false !== $result && is_numeric($result)) {
if(isset($pkValue)) $data[$pk] = $pkValue;
$this->_after_update($data,$options);
}
return $result;
}
protected function _before_update(&$data,$options) {}
protected function _after_update($data,$options) {}
public function delete($options=array()) {
$pk = $this->getPk();
if(empty($options) && empty($this->options['where'])) {
if(!empty($this->data) && isset($this->data[$pk]))
return $this->delete($this->data[$pk]);
else
return false;
}
if(is_numeric($options) || is_string($options)) {
if(strpos($options,',')) {
$where[$pk] = array('IN', $options);
}else{
$where[$pk] = $options;
}
$options = array();
$options['where'] = $where;
}
if (is_array($options) && (count($options) > 0) && is_array($pk)) {
$count = 0;
foreach (array_keys($options) as $key) {
if (is_int($key)) $count++;
}
if ($count == count($pk)) {
$i = 0;
foreach ($pk as $field) {
$where[$field] = $options[$i];
unset($options[$i++]);
}
$options['where'] = $where;
} else {
return false;
}
}
$options = $this->_parseOptions($options);
if(empty($options['where'])){
return false;
}
if(is_array($options['where']) && isset($options['where'][$pk])){
$pkValue = $options['where'][$pk];
}
if(false === $this->_before_delete($options)) {
return false;
}
$result = $this->db->delete($options);
if(false !== $result && is_numeric($result)) {
$data = array();
if(isset($pkValue)) $data[$pk] = $pkValue;
$this->_after_delete($data,$options);
}
return $result;
}
protected function _before_delete($options) {}
protected function _after_delete($data,$options) {}
public function select($options=array()) {
$pk = $this->getPk();
if(is_string($options) || is_numeric($options)) {
if(strpos($options,',')) {
$where[$pk] = array('IN',$options);
}else{
$where[$pk] = $options;
}
$options = array();
$options['where'] = $where;
}elseif (is_array($options) && (count($options) > 0) && is_array($pk)) {
$count = 0;
foreach (array_keys($options) as $key) {
if (is_int($key)) $count++;
}
if ($count == count($pk)) {
$i = 0;
foreach ($pk as $field) {
$where[$field] = $options[$i];
unset($options[$i++]);
}
$options['where'] = $where;
} else {
return false;
}
} elseif(false === $options){ $options = array();
$options = $this->_parseOptions($options);
return '( '.$this->fetchSql(true)->select($options).' )';
}
$options = $this->_parseOptions($options);
if(isset($options['cache'])){
$cache = $options['cache'];
$key = is_string($cache['key'])?$cache['key']:md5(serialize($options));
$data = S($key,'',$cache);
if(false !== $data){
return $data;
}
}
$resultSet = $this->db->select($options);
if(false === $resultSet) {
return false;
}
if(empty($resultSet)) { return null;
}
if(is_string($resultSet)){
return $resultSet;
}
$resultSet = array_map(array($this,'_read_data'),$resultSet);
$this->_after_select($resultSet,$options);
if(isset($options['index'])){ $index = explode(',',$options['index']);
foreach ($resultSet as $result){
$_key = $result[$index[0]];
if(isset($index[1]) && isset($result[$index[1]])){
$cols[$_key] = $result[$index[1]];
}else{
$cols[$_key] = $result;
}
}
$resultSet = $cols;
}
if(isset($cache)){
S($key,$resultSet,$cache);
}
return $resultSet;
}
protected function _after_select(&$resultSet,$options) {}
protected function _parseOptions($options=array()) {
if(is_array($options))
$options = array_merge($this->options,$options);
if(!isset($options['table'])){
$options['table'] = $this->getTableName();
$fields = $this->fields;
}else{
$fields = $this->getDbFields();
}
if(!empty($options['alias'])) {
$options['table'] .= ' '.$options['alias'];
}
$options['model'] = $this->name;
if(isset($options['where']) && is_array($options['where']) && !empty($fields) && !isset($options['join'])) {
foreach ($options['where'] as $key=>$val){
$key = trim($key);
if(in_array($key,$fields,true)){
if(is_scalar($val)) {
$this->_parseType($options['where'],$key);
}
}elseif(!is_numeric($key) && '_' != substr($key,0,1) && false === strpos($key,'.') && false === strpos($key,'(') && false === strpos($key,'|') && false === strpos($key,'&')){
if(!empty($this->options['strict'])){
E(L('_ERROR_QUERY_EXPRESS_').':['.$key.'=>'.$val.']');
}
unset($options['where'][$key]);
}
}
}
$this->options = array();
$this->_options_filter($options);
return $options;
}
protected function _options_filter(&$options) {}
protected function _parseType(&$data,$key) {
if(!isset($this->options['bind'][':'.$key]) && isset($this->fields['_type'][$key])){
$fieldType = strtolower($this->fields['_type'][$key]);
if(false !== strpos($fieldType,'enum')){
}elseif(false === strpos($fieldType,'bigint') && false !== strpos($fieldType,'int')) {
$data[$key] = intval($data[$key]);
}elseif(false !== strpos($fieldType,'float') || false !== strpos($fieldType,'double')){
$data[$key] = floatval($data[$key]);
}elseif(false !== strpos($fieldType,'bool')){
$data[$key] = (bool)$data[$key];
}
}
}
protected function _read_data($data) {
if(!empty($this->_map) && C('READ_DATA_MAP')) {
foreach ($this->_map as $key=>$val){
if(isset($data[$val])) {
$data[$key] = $data[$val];
unset($data[$val]);
}
}
}
return $data;
}
public function find($options=array()) {
if(is_numeric($options) || is_string($options)) {
$where[$this->getPk()] = $options;
$options = array();
$options['where'] = $where;
}
$pk = $this->getPk();
if (is_array($options) && (count($options) > 0) && is_array($pk)) {
$count = 0;
foreach (array_keys($options) as $key) {
if (is_int($key)) $count++;
}
if ($count == count($pk)) {
$i = 0;
foreach ($pk as $field) {
$where[$field] = $options[$i];
unset($options[$i++]);
}
$options['where'] = $where;
} else {
return false;
}
}
$options['limit'] = 1;
$options = $this->_parseOptions($options);
if(isset($options['cache'])){
$cache = $options['cache'];
$key = is_string($cache['key'])?$cache['key']:md5(serialize($options));
$data = S($key,'',$cache);
if(false !== $data){
$this->data = $data;
return $data;
}
}
$resultSet = $this->db->select($options);
if(false === $resultSet) {
return false;
}
if(empty($resultSet)) return null;
}
if(is_string($resultSet)){
return $resultSet;
}
$data = $this->_read_data($resultSet[0]);
$this->_after_find($data,$options);
$this->data = $data;
if(isset($cache)){
S($key,$data,$cache);
}
return $this->data;
}
protected function _after_find(&$result,$options) {}
public function setField($field,$value='') {
if(is_array($field)) {
$data = $field;
}else{
$data[$field] = $value;
}
return $this->save($data);
}
public function setInc($field,$step=1) {
return $this->setField($field,array('exp',$field.'+'.$step));
}
public function setDec($field,$step=1) {
return $this->setField($field,array('exp',$field.'-'.$step));
}
public function getField($field,$sepa=null) {
$options['field'] = $field;
$options = $this->_parseOptions($options);
if(isset($options['cache'])){
$cache = $options['cache'];
$key = is_string($cache['key'])?$cache['key']:md5($sepa.serialize($options));
$data = S($key,'',$cache);
if(false !== $data){
return $data;
}
}
$field = trim($field);
if(strpos($field,',') && false !== $sepa) { if(!isset($options['limit'])){
$options['limit'] = is_numeric($sepa)?$sepa:'';
}
$resultSet = $this->db->select($options);
if(!empty($resultSet)) {
$_field = explode(',', $field);
$field = array_keys($resultSet[0]);
$key1 = array_shift($field);
$key2 = array_shift($field);
$cols = array();
$count = count($_field);
foreach ($resultSet as $result){
$name = $result[$key1];
if(2==$count) {
$cols[$name] = $result[$key2];
}else{
$cols[$name] = is_string($sepa)?implode($sepa,array_slice($result,1)):$result;
}
}
if(isset($cache)){
S($key,$cols,$cache);
}
return $cols;
}
}else{ if(true !== $sepa) $options['limit'] = is_numeric($sepa)?$sepa:1;
}
$result = $this->db->select($options);
if(!empty($result)) {
if(true !== $sepa && 1==$options['limit']) {
$data = reset($result[0]);
if(isset($cache)){
S($key,$data,$cache);
}
return $data;
}
foreach ($result as $val){
$array[] = $val[$field];
}
if(isset($cache)){
S($key,$array,$cache);
}
return $array;
}
}
return null;
}
public function create($data='') {
if(empty($data)) {
$data = I('post.');
}elseif(is_object($data)){
$data = get_object_vars($data);
}
if(empty($data) || !is_array($data)) {
$this->error = L('_DATA_TYPE_INVALID_');
return false;
}
if(isset($this->options['field'])) { $fields = $this->options['field'];
unset($this->options['field']);
}
if(isset($fields)) {
if(is_string($fields)) {
$fields = explode(',',$fields);
}
}
if($this->autoCheckFields) { $fields = $this->getDbFields();
foreach ($data as $key=>$val){
if(!in_array($key,$fields)) {
unset($data[$key]);
}elseif(MAGIC_QUOTES_GPC && is_string($val)){
$data[$key] = stripslashes($val);
}
}
}
$this->data = $data;
return $data;
}
public function regex($value,$rule) {
$validate = array(
'require' => '/\S+/',
'email' => '/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/',
'url' => '/^http(s?):\/\/(?:[A-za-z0-9-]+\.)+[A-za-z]{2,4}(:\d+)?(?:[\/\?#][\/=\?%\-&~`@[\]\':+!\.#\w]*)?$/',
'currency' => '/^\d+(\.\d+)?$/',
'number' => '/^\d+$/',
'zip' => '/^\d{6}$/',
'integer' => '/^[-\+]?\d+$/',
'double' => '/^[-\+]?\d+(\.\d+)?$/',
'english' => '/^[A-Za-z]+$/',
);
if(isset($validate[strtolower($rule)]))
$rule = $validate[strtolower($rule)];
return preg_match($rule,$value)===1;
}
public function check($value,$rule,$type='regex'){
$type = strtolower(trim($type));
switch($type) {
case 'in': case 'notin':
$range = is_array($rule)? $rule : explode(',',$rule);
return $type == 'in' ? in_array($value ,$range) : !in_array($value ,$range);
case 'between': case 'notbetween': if (is_array($rule)){
$min = $rule[0];
$max = $rule[1];
}else{
list($min,$max) = explode(',',$rule);
}
return $type == 'between' ? $value>=$min && $value<=$max : $value<$min || $value>$max;
case 'equal': case 'notequal': return $type == 'equal' ? $value == $rule : $value != $rule;
case 'length': $length = mb_strlen($value,'utf-8'); if(strpos($rule,',')) { list($min,$max) = explode(',',$rule);
return $length >= $min && $length <= $max;
}else return $length == $rule;
}
case 'expire':
list($start,$end) = explode(',',$rule);
if(!is_numeric($start)) $start = strtotime($start);
if(!is_numeric($end)) $end = strtotime($end);
return NOW_TIME >= $start && NOW_TIME <= $end;
case 'ip_allow': return in_array(get_client_ip(),explode(',',$rule));
case 'ip_deny': return !in_array(get_client_ip(),explode(',',$rule));
case 'regex':
default: return $this->regex($value,$rule);
}
}
public function query($sql) {
return $this->db->query($sql);
}
public function execute($sql) {
return $this->db->execute($sql);
}
public function db($linkNum='',$config='',$force=false) {
if('' === $linkNum && $this->db) {
return $this->db;
}
if(!isset($this->_db[$linkNum]) || $force ) {
if(!empty($config) && is_string($config) && false === strpos($config,'/')) { $config = C($config);
}
$this->_db[$linkNum] = Db::getInstance($config);
}elseif(NULL === $config){
$this->_db[$linkNum]->close(); unset($this->_db[$linkNum]);
return ;
}
$this->db = $this->_db[$linkNum];
$this->_after_db();
if(!empty($this->name) && $this->autoCheckFields) $this->_checkTableInfo();
return $this;
}
protected function _after_db() {}
public function getModelName() {
if(empty($this->name)){
$name = substr(get_class($this),0,-strlen(C('DEFAULT_M_LAYER')));
if ( $pos = strrpos($name,'\\') ) $this->name = substr($name,$pos+1);
}else{
$this->name = $name;
}
}
return $this->name;
}
public function getTableName() {
if(empty($this->trueTableName)) {
$tableName = !empty($this->tablePrefix) ? $this->tablePrefix : '';
if(!empty($this->tableName)) {
$tableName .= $this->tableName;
}else{
$tableName .= parse_name($this->name);
}
$this->trueTableName = strtolower($tableName);
}
return (!empty($this->dbName)?$this->dbName.'.':'').$this->trueTableName;
}
public function startTrans() {
$this->commit();
$this->db->startTrans();
return ;
}
public function commit() {
return $this->db->commit();
}
public function rollback() {
return $this->db->rollback();
}
public function getError(){
return $this->error;
}
public function getDbError() {
return $this->db->getError();
}
public function getLastInsID() {
return $this->db->getLastInsID();
}
public function getLastSql() {
return $this->db->getLastSql($this->name);
}
public function _sql(){
return $this->getLastSql();
}
public function getPk() {
return $this->pk;
}
public function getDbFields(){
if(isset($this->options['table'])) if(is_array($this->options['table'])){
$table = key($this->options['table']);
}else{
$table = $this->options['table'];
}
$fields = $this->db->getFields($table);
return $fields ? array_keys($fields) : false;
}
if($this->fields) {
$fields = $this->fields;
unset($fields['_type'],$fields['_pk']);
return $fields;
}
return false;
}
public function data($data=''){
if('' === $data && !empty($this->data)) {
return $this->data;
}
if(is_object($data)){
$data = get_object_vars($data);
}elseif(is_string($data)){
parse_str($data,$data);
}elseif(!is_array($data)){
E(L('_DATA_TYPE_INVALID_'));
}
$this->data = $data;
return $this;
}
public function table($table) {
$prefix = $this->tablePrefix;
if(is_array($table)) {
$this->options['table'] = $table;
}elseif(!empty($table)) {
$table = preg_replace_callback("/__([A-Z0-9_-]+)__/sU", function($match) use($prefix){ return $prefix.strtolower($match[1]);}, $table);
$this->options['table'] = $table;
}
return $this;
}
public function using($using){
$prefix = $this->tablePrefix;
if(is_array($using)) {
$this->options['using'] = $using;
}elseif(!empty($using)) {
$using = preg_replace_callback("/__([A-Z0-9_-]+)__/sU", function($match) use($prefix){ return $prefix.strtolower($match[1]);}, $using);
$this->options['using'] = $using;
}
return $this;
}
public function join($join,$type='INNER') {
$prefix = $this->tablePrefix;
if(is_array($join)) {
foreach ($join as $key=>&$_join){
$_join = preg_replace_callback("/__([A-Z0-9_-]+)__/sU", function($match) use($prefix){ return $prefix.strtolower($match[1]);}, $_join);
$_join = false !== stripos($_join,'JOIN')? $_join : $type.' JOIN ' .$_join;
}
$this->options['join'] = $join;
}elseif(!empty($join)) {
$join = preg_replace_callback("/__([A-Z0-9_-]+)__/sU", function($match) use($prefix){ return $prefix.strtolower($match[1]);}, $join);
$this->options['join'][] = false !== stripos($join,'JOIN')? $join : $type.' JOIN '.$join;
}
return $this;
}
public function union($union,$all=false) {
if(empty($union)) return $this;
if($all) {
$this->options['union']['_all'] = true;
}
if(is_object($union)) {
$union = get_object_vars($union);
}
if(is_string($union) ) {
$prefix = $this->tablePrefix;
$options = preg_replace_callback("/__([A-Z0-9_-]+)__/sU", function($match) use($prefix){ return $prefix.strtolower($match[1]);}, $union);
}elseif(is_array($union)){
if(isset($union[0])) {
$this->options['union'] = array_merge($this->options['union'],$union);
return $this;
}else{
$options = $union;
}
}else{
E(L('_DATA_TYPE_INVALID_'));
}
$this->options['union'][] = $options;
return $this;
}
public function cache($key=true,$expire=null,$type=''){
if(is_numeric($key) && is_null($expire)){
$expire = $key;
$key = true;
}
if(false !== $key)
$this->options['cache'] = array('key'=>$key,'expire'=>$expire,'type'=>$type);
return $this;
}
public function field($field,$except=false){
if(true === $field) $fields = $this->getDbFields();
$field = $fields?:'*';
}elseif($except) if(is_string($field)) {
$field = explode(',',$field);
}
$fields = $this->getDbFields();
$field = $fields?array_diff($fields,$field):$field;
}
$this->options['field'] = $field;
return $this;
}
public function scope($scope='',$args=NULL){
if('' === $scope) {
if(isset($this->_scope['default'])) {
$options = $this->_scope['default'];
}else{
return $this;
}
}elseif(is_string($scope)){ $scopes = explode(',',$scope);
$options = array();
foreach ($scopes as $name){
if(!isset($this->_scope[$name])) continue;
$options = array_merge($options,$this->_scope[$name]);
}
if(!empty($args) && is_array($args)) {
$options = array_merge($options,$args);
}
}elseif(is_array($scope)){ $options = $scope;
}
if(is_array($options) && !empty($options)){
$this->options = array_merge($this->options,array_change_key_case($options));
}
return $this;
}
public function where($where,$parse=null){
if(!is_null($parse) && is_string($where)) {
if(!is_array($parse)) {
$parse = func_get_args();
array_shift($parse);
}
$parse = array_map(array($this->db,'escapeString'),$parse);
$where = vsprintf($where,$parse);
}elseif(is_object($where)){
$where = get_object_vars($where);
}
if(is_string($where) && '' != $where){
$map = array();
$map['_string'] = $where;
$where = $map;
}
if(isset($this->options['where'])){
$this->options['where'] = array_merge($this->options['where'],$where);
}else{
$this->options['where'] = $where;
}
return $this;
}
public function limit($offset,$length=null){
if(is_null($length) && strpos($offset,',')){
list($offset,$length) = explode(',',$offset);
}
$this->options['limit'] = intval($offset).( $length? ','.intval($length) : '' );
return $this;
}
public function page($page,$listRows=null){
if(is_null($listRows) && strpos($page,',')){
list($page,$listRows) = explode(',',$page);
}
$this->options['page'] = array(intval($page),intval($listRows));
return $this;
}
public function comment($comment){
$this->options['comment'] = $comment;
return $this;
}
public function fetchSql($fetch){
$this->options['fetch_sql'] = $fetch;
return $this;
}
public function bind($key,$value=false) {
if(is_array($key)){
$this->options['bind'] = $key;
}else{
$num = func_num_args();
if($num>2){
$params = func_get_args();
array_shift($params);
$this->options['bind'][$key] = $params;
}else{
$this->options['bind'][$key] = $value;
}
}
return $this;
}
public function setProperty($name,$value) {
if(property_exists($this,$name))
$this->$name = $value;
return $this;
}
}