<?php

namespace app\index\controller;
use think\Controller;
use think\Db;
class Line extends Controller
{
public function index()
{
if (empty($_GET['id'])) die('无效的编号');
$id = $_GET['id'];
$edate=date("Y-m-d");
$sdate=date('Y-m-d',strtotime("$edate -1 month"));
if (!empty($_GET['stime'])) {
$sdate=$_GET['stime'];
}
if (!empty($_GET['etime'])) {
$edate=substr($_GET['etime'],0,10);
}
$this->assign('id',$id);
$this->assign('edate',$edate);
$this->assign('sdate',$sdate);
return $this->fetch('line');
}
public function getjson()
{
$edate=date("Y-m-d");
$sdate=date('Y-m-d',strtotime("$edate -1 month"));
if (empty($_GET['sid'])) return;
$sid = $_GET['sid'];
if (!empty($_GET['stime'])) {
$sdate=date('Y-m-d',strtotime($_GET['stime']));
}
if (!empty($_GET['etime'])) {
$edate=date('Y-m-d',strtotime($_GET['etime']));
$edate=date('Y-m-d',strtotime("$edate 1 day"));
}
$b = Db::query("select d_Time,CH4ppm,C2H4ppm,C2H6ppm,C2H2ppm,H2ppm,COppm,CO2ppm,TotalHydrocarbon from data_epa_h where EQMID='{$sid}' and d_time >'{$sdate}' and d_Time<'{$edate}'");
$data = json_encode($b);
echo $data;
}
}
?>