[Li Jingshan php] every day tp5-20170112|thinkphp5-model.php-5

/** *  setting the fields allowed to write  *  @access  public *  @param  bool|array  $field   Allow Write fields   If True only allow write to data table fields  *  @return   $this  */public function allowfield ($ field) {//  about database operations, set license fields     if  (true ===  $field)  {//  IF field  true         $field  =  $this->db ()->gettableinfo (' ',  ' type ');//  get   table fields    information          $this->db ( )->setfieldtype ($field);//  settings   field type          $field  =  array_keys ($field);//  return   field information     }     $this->field  =  $field;//  Otherwise   Get fields   SET field information to the current model     return  $this;//  Returns whether the object itself}/** *  Update data  *  @access  public *  @param  bool   $update  *  @param  mixed  $where  *  @return   $this  */public function isupdate ($update  =  true,  $where  = null) {//  is   update   data      $this isupdate =  $update;//  default   is  true    if  (!empty ($where))   {         $this->updatewhere =  $where; //  if not   Conditions   is not an UPDATE statement     }    return  $this;//  returns the object itself}/**  *  Data autocomplete  *  @access  public *  @param  array  $auto   List of fields to update automatically  *  @return  void */protected function autocompletedata ($auto  = []) {//   Data Auto-complete   auto-complete data ingress     foreach  ($auto  as  $field  => $ Value)  {//  cycle         if  (Is_integer ($field))  {//   If the field is an integral type              $field  =  $value;//  assignment fields   come               $value  = null;//  assignment to null          }        if  (!in_array ( $field,  $this->change)  {//  If field   is within range of change, use change function   settings               $this->setattr ($field,  !is_null ($value)  ?  $value  :  (Isset ($this->data[$field])  ?  $this->data[$field] :  $value));         }    }}/** *  Delete the current record  * @ access public *  @return  integer */public function delete () {//  were formed, respectively, on  db  two times   packaging     if  (false ===  $this->trigger (' Before_delete ',  $this)  {//  KaiThings before moving         return false;    }      $result  =  $this->db ()->delete ($this->data);//  Delete     $ This->trigger (' After_delete ',  $this);//  after the deletion of the things     return  $result;   Return Delete results}/** *  set auto-complete fields (  rules defined by modifier)  *  @access  public *  @param  array  $fields   fields that need to be auto-completed  *  @return   $this  */public function auto ($ Fields)//  AutoComplete   field {     $this->auto =  $fields;//  fields   Auto-complete   fields     return  $this;} /** *  setting Field validation  *  @access  public *  @param  array|string|bool  $rule   Validation Rule  true represents an automatic Read validator class  *  @param  array               $msg   Tips  *  @return   $this  */pubLic function validate ($rule  = true,  $msg  = [])//  setting fields   verifying {     if  (Is_array ($rule))  {//  settings   Auto-complete rules           $this->validate = [              ' rule '  =>  $rule,             ' Msg '   =>  $msg,         ];    }  else {         $this->validate = true ===   $rule  ?  $this->name :  $rule;//  Auto-complete   fields     }     return  $this;} /** *  set whether to throw an exception after validation fails  *  @access  public *  @param  bool  $fail   Throw exception  *  @return   $this  */public function validatefailexception ($fail = true) {     $this->failexception =  $fail;//    anomalies   Throw     return  $this;} /** *  Auto-Validate data  *  @access  protected *  @param  array  $data   Validate data  *  @return  bool */protected function validatedata ($data)//  automatically validate data {     if  (!empty ($this->validate))  {//  If the rule is empty   floats directly, otherwise           $info  =  $this->validate;//  Get information          if  (Is_array ($info))  {//  Arrays               $validate  = loader::validate ();//  Load Auto-Validate class               $validate->rule ($info [' rule ']);//  set rules               $validate->message ($info [' msg ']);/  Setup Information         } else {              $name  = is_string ($info)  ?  $info  : $ this->name;//single field   validation,            if  ( Strpos ($name,  '. '))  {                list ($ name,  $scene)  = explode ('. ',  $name);             }             $validate  =  loader::validate ($name);            if  (!empty ($scene))  {                  $validate->scene ($scene);//  Special handling usage             }        }         if  (! $validate->check ($data))  {//  data validation   results               $this->error =  $validate->geterror ();//  failed to pass the validation error message             if  ($this->failexception)  {//  throws an exception if it is allowed to throw an exception                  throw new validateexception ($this->error);             } else {                 return false;             }        }          $this->validate = null;//  emptying   validation rules     }    return true;} /** *  error message for return model  *  @access  public *  @return  string */public  Function geterror ()//  returns error message {    return  $this->error;} /** *  Registration callback method  *  @access  public *  @param  string          $event   Event name  *  @param  callable      $ callback  callback method  *  @param  bool          $ override  whether to cover  *  @return  void */public static function event ($event,   $callback,  $override  = false) {     $class  = get_called_class ();//  Get callback Class     if  ($override)  {         self:: $event [$class] [$event] =&NBSp [];    }    self:: $event [$class] [$event][] =  $callback;//   Event callback method}/** *  trigger event  *  @access  protected *  @param  string      $event   Event name  *  @param  mixed      $params   Incoming parameters (references)  *  @return  bool */protected function trigger ($event, & $params)/ /  triggers the corresponding event {    if  (Isset (self:: $event [$this->class][$event])  {//  Gets the   time   function         foreach  (self:: $event [$this- class][$event] as  $callback)  {             if  (Is_callable ($callback))  {//  can call                   $result  = call_user_func_array ($callback,  [ &  $params]);//  Call result                 if   (false ===  $result)  {                     return false;//  if one of them terminates the thing, stop the execution                  }             }        }     }    return true;} /** *  writing data  *  @access  public *  @param  array       $data   Data arrays  *  @return   $this  */public static function create ($data  = []) {     $model  = new static ();     $model- >isupdate (False)->save ($data,  []);//  data writes, writes by model ,It's still very powerful.     return  $model;} /** *  Update Data  *  @access  public *  @param  array       $data   Data Arrays  *  @param  array      $where   Update conditions  *  @return   $this  */public static function update ($data  = [],  $where   = []) {     $model   = new static ();     $result  =  $model->isupdate (True)->save ($data,  $where);//  data   conditions      return  $model;} /** *  find a single record  *  @access  public *  @param  mixed          $data    primary key values or query criteria (closures)  *  @param  array|string  $with     Associate pre-query  *  @param  bool          $cache   whether to cache  *  @return  static *  @throws  eXception\dbexception */public static function get ($data  = null,  $with   = [],  $cache  = false) {     $query  = static::p arsequery ($data,   $with,  $cache);    return  $query->find ($data);//single record}/** *  Find all records  *  @access  public *  @param  mixed          $data    primary key list or query criteria (closures)  *  @param  array|string  $with    correlated pre-query  *   @param  bool          $cache   Cache  * @ return static[]|false *  @throws  exception\DbException */public static  Function all ($data  = null,  $with  = [],  $cache  = false) {      $query  = static::p arsequery ($data,  $with,  $cache);     return  $query->sElect ($data);//  more than one data} 

This article is from the "Focus on PHP Group number: 414194301" blog, please be sure to keep this source http://jingshanls.blog.51cto.com/3357095/1881007

[Li Jingshan php] every day tp5-20170112|thinkphp5-model.php-5