157 lines
5.3 KiB
PHP
157 lines
5.3 KiB
PHP
<?php
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set_time_limit(0);
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//安全检查：只接受来自westdc.westgis.ac.cn的访问
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if(@$_SERVER['HTTP_CLIENT_IP']){
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$onlineip=$_SERVER['HTTP_CLIENT_IP'];
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}elseif(@$_SERVER['HTTP_X_FORWARDED_FOR']){
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$onlineip=$_SERVER['HTTP_X_FORWARDED_FOR'];
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}else{
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$onlineip=$_SERVER['REMOTE_ADDR'];
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}
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if ($onlineip!='210.77.68.241' && $onlineip!='210.77.68.215' && $onlineip!='2001:cc0:f006::9')
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die("error! You are not permitted to visit this page.".$onlineip);
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$db = new PDO('pgsql:host=210.77.68.40;dbname=observation', "gis", "gispassword");
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$station = 0;
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$site = 0;
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$logger = 0;
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$variable = 0;
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$start;
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$end;
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$uid=0;
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$sitename="";
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$mailname = "";
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$createtime = date("Ymd",time());
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$endtime="";
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$html="";
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$time="";
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$value="";
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$var="";
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$file=array();
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$basepath='/disk1/WestDC/wsndata/';
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//接收用户uid，只生成这个用户的数据
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$uid = (int)@$_GET['uid'];
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if (!($uid>0))
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{
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die("Error in parameter.");
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}
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if(!empty($uid))
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{
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$sql_user = "SELECT * from users_pm_down where starttime is not null and result=-1 and type='down' and uid=$uid";
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$sth_user = $db->query($sql_user);
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$rows_user = $sth_user->fetchAll();
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//有需要生成的数据
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if(!empty($rows_user))
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{
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foreach($rows_user as $k=>$v )
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{
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//逐个生成
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$site = $v['site'];
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$variable = $v['variable'];
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$start = $v['starttime'];
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$end = $v['endtime'];
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$uid = $v['uid'];
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//计算有多少天
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$days=round((strtotime($end)-strtotime($start))/3600/24)+1;
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//获取观测点的名称
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$sql_site= "SELECT fld_name from tbl_site_info where fld_site_id=$site";
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$sth_site = $db->query($sql_site);
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$rows_site = $sth_site->fetch();
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$sitename= $rows_site['fld_name'];
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//获取用户的邮箱
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$sql_mail= "SELECT email from users where id=$uid";
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$sth_mail = $db->query($sql_mail);
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$rows_mail = $sth_mail->fetch();
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if(empty($rows_mail))
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{$rows_mail['email']=="wuadan@lzb.ac.cn";}
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//先为该用户创建一个文件夹
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$aimDir_user=$basepath.'wsn_'.$uid;
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if (!file_exists($aimDir_user))
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{
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$result = mkdir($aimDir_user);
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}
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//在该用户文件夹下面再建立一个观测点文件夹
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$aimDir_site=$aimDir_user.DIRECTORY_SEPARATOR.$site;
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if (!file_exists($aimDir_site))
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{
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$result = mkdir($aimDir_site);
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}
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//选择全部变量
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if($variable==-1)
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{
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//获取数据
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for ($i = 1; $i <= $days; $i++)
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{
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$endtime=date("Y-m-d 00:00:00",strtotime($start)+24*3600);
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$sql2= "SELECT v.fld_time as time,v.fld_value as value,va.fld_name as variablename FROM tbl_value v left join tbl_variable_info va on v.fld_variable_id=va.fld_variable_id WHERE v.fld_site_id=$site AND v.fld_time>='$start' AND v.fld_time<'$endtime' ORDER BY time ";
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$sth2 = $db->query($sql2);
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$rows2 = $sth2->fetchAll();
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$datamount=count( $rows2);
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//组装数据
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$html="";
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foreach($rows2 as $k=>$v)
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{
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$time[$k] = $v['time'];
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$value[$k] = $v['value'];
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$var[$k] = $v['variablename'];
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$html .=$time[$k].",".$var[$k].",".$value[$k]."\n";
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}
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$head = "Time,Variable,Value, \n";
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//将数据写入文件
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$resulttime=date("Ymd",strtotime($start));
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$fp = fopen($aimDir_site.DIRECTORY_SEPARATOR.$sitename."_all_".$resulttime.".CSV","a"); //打开csv文件，如果不存在则创建
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fwrite($fp,$head.$html); //写入数据
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fclose($fp); //关闭文件句柄
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$start = $endtime;
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}
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$sql_up= "update users_pm_down set result=0 WHERE site=$site and variable=-1 and uid=$uid and result=-1 and type='down'";
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$sth_up = $db->query($sql_up);
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} else {
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//获取观测变量的名称
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$sql3= "SELECT fld_name from tbl_variable_info where fld_variable_id=$variable";
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$sth3 = $db->query($sql3);
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$rows3 = $sth3->fetch();
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$varname=$rows3['fld_name'];
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//获取数据
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$endtime="";
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for ($i = 1; $i <= $days; $i++)
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{
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$endtime=date("Y-m-d H:m:s",strtotime($start)+24*3600);
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$sql2= "SELECT v.fld_time as time,v.fld_value as value,va.fld_name as variablename FROM tbl_value v left join tbl_variable_info va on v.fld_variable_id=va.fld_variable_id WHERE v.fld_variable_id =$variable and v.fld_site_id=$site AND v.fld_time>='$start' AND v.fld_time<='$endtime' ORDER BY time ";
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$sth2 = $db->query($sql2);
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$rows2 = $sth2->fetchAll();
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$datamount=count( $rows2);
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//组装数据
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$html="";
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foreach($rows2 as $k=>$v)
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{
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$time[$k] = $v['time'];
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$value[$k] = $v['value'];
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$var[$k] = $v['variablename'];
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$html .=$time[$k].",".$var[$k].",".$value[$k]."\n";
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}
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$head = "Time,Variable,Value, \n";
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//写入文件
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$resulttime=date("Ymd",strtotime($start));
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$fp = fopen($aimDir_site.DIRECTORY_SEPARATOR.$sitename."_".$varname."_".$resulttime.".CSV","a+");
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fwrite($fp,$head.$html); //写入数据
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fclose($fp); //关闭文件句柄
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$start = $endtime;
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}
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//给处理的数据做个标记result=0
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$sql_up= "update users_pm_down set result=0 WHERE site=$site and variable=$variable and uid=$uid and result=-1 and type='down'";
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$sth_up = $db->query($sql_up);
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}
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}
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}
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} |