ParamService.php
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<?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;
}
}