<?php // +---------------------------------------------------------------------- // | bronet [ 以客户为中心 以奋斗者为本 ] // +---------------------------------------------------------------------- // | Copyright (c) 2013-2017 http://www.bronet.cn All rights reserved. // +---------------------------------------------------------------------- namespace api\portal\service; use Think\Db; class ParamService { public function BMI($weight=0,$height=0){ $bmi=$weight/pow(($height/100),2); return $bmi; } public function status($weight=0,$height=0){ $bmi=$weight/pow(($height/100),2); if($bmi<=18.5){ $status='消瘦'; }elseif (18.5<$bmi&&$bmi<=23.9){ $status='正常'; }elseif (24<$bmi&&$bmi<=27.9){ $status='超重'; }elseif ($bmi>=28){ $status='肥胖'; } return $status; } public function overplus($weight=0,$height=0){ $bmi=$weight/pow(($height/100),2); if($bmi<18.5){ $overplus=18; }elseif (18.5<=$bmi&&$bmi<=24.9){ $overplus=16; }elseif (25<$bmi){ $overplus=11.5; } return $overplus; } public function bashBoard($before_weight=0,$weight=0,$height=0){ $bmi=$weight/pow(($height/100),2); if($bmi<=18.5){ $i=0.2; }elseif (18.5<$bmi&&$bmi<=23.9){ $i=0.4; }elseif (24<$bmi&&$bmi<=27.9){ $i=0.6; }elseif ($bmi>=28){ $i=0.8; } return $before_weight+($this->overplus($weight,$height)*$i); } public function week_status($weight=0,$height=0){ $bmi=$weight/pow(($height/100),2); if($bmi<=18.5){ $status='1'; }elseif (18.5<$bmi&&$bmi<=23.9){ $status='2'; }elseif (24<$bmi&&$bmi<=27.9){ $status='3'; }elseif ($bmi>=28){ $status='4'; } return $status; } }