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Bob's stroe orders put in file and view
$DOCUMENT_ROOT = $_SERVER[‘DOCUMENT_ROOT‘];
$fp = fopen("$DOCUMENT_ROOT/../orders/orders.txt",‘w‘);
$DOCUMENT_ROOT 是脚本所在文件根目录 就是www文件夹 ".."是表示根目录的父目录 即wamp文件夹 是为了后面方便读取
<?php// creat short variable$tireqty = $_POST[‘tireqty‘];$oilqty = $_POST[‘oilqty‘];$sparkqty = $_POST[‘sparkqty‘];$address = $_POST[‘address‘];$DOCUMENT_ROOT = $_SERVER[‘DOCUMENT_ROOT‘];$date= date(‘H:i,jS F Y‘);?><html><head><title>Bob‘ Auto Parts - Order Results</title>
</head><body><h1>Bob‘ Auto Parts</h1><h2>Order Results</h2><?php echo"<p>Order processed at ".date(‘H:i jS F Y‘)."</p>"; echo"<p>Your order is follows:</p>"; //订单总数 $totalqty = 0; $totalqty = $tireqty + $oilqty + $sparkqty; //echo "Items order : $totalqty<br/>"; //订单详细显示 //先判断订单是否为空，在依次判断每项单独的订单 if($totalqty == 0){ echo "<h2>You did not order anything on previous page!</h2><br/>"; }else{ if($tireqty > 0){ echo $tireqty."tires<br/>"; } if($oilqty > 0){ echo $oilqty."bottle of oil<br/>"; } if($sparkqty > 0){ echo $sparkqty."spark plugs<br/>"; } } //订单总数 $totalamout = 0.00; define(‘TIREPRICE‘,100); define(‘OILPRICE‘,10); define(‘SPARKPRICE‘,4); $totalamount = $tireqty*TIREPRICE + $oilqty*OILPRICE + $sparkqty*SPARKPRICE; //小数点用“.” 千位分割符用“ ” $totalamout = number_format($totalamount,2,‘.‘,‘‘); //关于<p></p>段落与<br/>换行 <p>空白高度 <br/>只是换行 <p>=2个<br/> echo "<p>Total of order is: $".$totalamout."<p/>"; //运送地址 echo "<p>Address to ship to is ".$address."</p>"; //先拼接要打印的字符串,tires轮胎,spark plugs 火花塞 $outputstring = $date."\t".$tireqty."tires\t".$oilqty."oil\t" .$sparkqty."spark plugs\t\$".$totalamount."\t".$address."\n"; echo $outputstring; //open file for appending //这里用了相对路径，但是出现了错误，先用绝对路径 // @ $fp = fopen("C:\wamp\www\orders\orders.txt","ab"); $fp = fopen("$DOCUMENT_ROOT/../orders/orders.txt","ab"); flock($fp,LOCK_EX); //人性化错误提示 if(!$fp){ echo"<p><strong>Your order could not be processed at this time . please try again later. </strong></p></body></html>"; exit; } fwrite($fp , $outputstring , strlen($outputstring)); fclose($fp); echo"<p>Order Written</p>"; //$taxrate = 0.10; //local tax10% //$totalamout = $totalamout*(1+$taxrate); //echo "Total include tax :$".number_format($totalamout,2)."<br/>";?></body>
读取文件显示
<?php$DOCUMENT_ROOT = $_SERVER[‘DOCUMENT_ROOT‘];?><html><body><?php$fp = fopen("$DOCUMENT_ROOT/../orders/orders.txt",‘rd‘);while(!feof($fp)){$order=fgetS($fp,999);echo $order."<br/>";}?></body><html>
Bob's stroe orders put in file and view
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