动态网页技术PHP通过参数来生成MYSQL语句类

动态网页技术PHP通过参数来生成MYSQL语句类(9)   
   if ( $this -> getConditions())
   {
   if ( ! $this -> BuildCondition()){ $this -> dbgFailed( $funct ); return ;}
   $sql .= " WHERE " . $this -> getCondition();
   }
   $this -> Result = $sql ;
   return true ;
   }
   function getInsertSQL()
   {
   $funct = " getInsertSQL " ;
   $className = get_class ( $this );
   if ( ! $this -> getValues()){ $this -> Error = " $className::$funct \nProperty Values was empty " ; return ;}
   if ( ! $this -> getFields()){ $this -> Error = " $className::$funct \nProperty Fields was empty " ; return ;}
   if ( ! $this -> getTables()){ $this -> Error = " $className::$funct \nProperty Tables was empty " ; return ;}
  
   if ( ! $this -> CombineFieldValue()){ $this -> dbgFailed( $funct ); return ;}
   $Tables = $this -> getTables();
  
   $sql = " INSERT INTO " . $Tables [ 0 ] . " ( " . $this -> fieldSQL . " ) VALUES ( " . $this -> valueSQL . " ) " ;
  
   $this -> Result = $sql ;
  
   return true ;
   }
   function getUpdateSQL()
   {
   $funct = " getUpdateSQL " ;
   $className = get_class ( $this );
  
   if ( ! $this -> getValues()){ $this -> Error = " $className::$funct \nProperty Values was empty " ; return ;}
   if ( ! $this -> getFields()){ $this -> Error = " $className::$funct \nProperty Fields was empty " ; return ;}
   if ( ! $this -> getTables()){ $this -> Error = " $className::$funct \nProperty Tables was empty " ; return ;}
  
   if ( ! $this -> CombineFieldValue()){ $this -> dbgFailed( $funct ); return ;}