📄 hw.php
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<?php header("Content-Type: text/html; charset=UTF8");?><?php putenv("NLS_LANG=AMERICAN_AMERICA.AL32UTF8");?><html><head><title>Teacher Assistant System</title><link href="tas.css" rel="stylesheet" type="text/css"></head><body><center><a href=index.php><span class=red>[INDEX]</span></a><h1>Homework<a href=hw_edit.php?action=new><span class=green>[ADD]</span></a></h1><?php $conn=oci_connect("zhangsan","p06123456","//127.0.0.1/XE"); if(!$conn) { echo "<h2>db connection error.</h2>".var_dump(oci_error()); die(); } $major_selected=0; if(isset($_REQUEST['m']) && $_REQUEST['m']!="" && $_REQUEST['m']!="0") { $major_selected=htmlentities($_REQUEST['m']); } if($_REQUEST['action']=="del") { $sql="DELETE FROM homework WHERE HOMEWORK_NO={$_REQUEST['id']}"; $s=oci_parse($conn,$sql); oci_execute($s,OCI_COMMIT_ON_SUCCESS); } ?><table border=0 cellpadding=0 cellspacing=0><tr bgcolor=#f87820><td><img src=img/blank.gif width=10 height=25></td><td class=tabhead><img src=img/blank.gif width=50 height=6><br><b>No</b></td><td class=tabhead><img src=img/blank.gif width=300 height=6><br><b>DESCRIPTION</b></td><td class=tabhead><img src=img/blank.gif width=80 height=6><br><b>#Classes</b></td><td class=tabhead><img src=img/blank.gif width=80 height=6><br><b>#Students</b></td><td class=tabhead><img src=img/blank.gif width=200 height=6><br><b>COMMAND</b></td><td><img src=img/blank.gif width=10 height=25></td></tr><?php $sql="SELECT HOMEWORK_NO,DESCRIPTION,(select count(*) from assign where assign.HOMEWORK_NO=homework.HOMEWORK_NO) as NUMCLASS, (select count(*) from handin where handin.HOMEWORK_NO=homework.HOMEWORK_NO) as NUMSTUDENT FROM homework ORDER BY HOMEWORK_NO"; $s=oci_parse($conn,$sql); $result=oci_execute($s,OCI_DEFAULT); if(!$result) { echo $sql; echo "error!".var_dump(oci_error()); } echo "<p><spen class=yellow>".$sql."</span><p>"; $i=0; while( $row=oci_fetch_array($s,OCI_BOTH) ) { if($i>0) { echo "<tr valign=bottom>"; echo "<td bgcolor=#ffffff background='img/strichel.gif' colspan=7><img src=img/blank.gif width=1 height=1></td>"; echo "</tr>"; } echo "<tr valign=center>"; echo "<td class=tabval><img src=img/blank.gif width=10 height=20></td>"; echo "<td class=tabval><b>".$row['HOMEWORK_NO']."</b></td>"; echo "<td class=tabval>".$row['DESCRIPTION']." </td>"; echo "<td class=tabval align=center>".$row['NUMCLASS']." </td>"; echo "<td class=tabval align=center>".$row['NUMSTUDENT']." </td>"; echo "<td class=tabval>"; echo "<a onclick=\"return confirm('Delete This Homework?');\" href=hw.php?action=del&id=".$row['HOMEWORK_NO']."><span class=red>[DEL]</span></a>/"; echo "<a href=hw_edit.php?action=edit&id=".$row['HOMEWORK_NO']."><span class=green>[EDIT]</span></a>/"; echo "<a href=assign.php?hw=".$row['HOMEWORK_NO']."><span class=green>[ASSIGN]</span></a>/"; echo "<a href=handin.php?hw=".$row['HOMEWORK_NO']."><span class=green>[HAND-IN]</span></a>"; echo "</td>"; echo "<td class=tabval></td>"; echo "</tr>"; $i++; } echo "<tr valign=bottom>"; echo "<td bgcolor=#fb7922 colspan=7><img src=img/blank.gif width=1 height=8></td>"; echo "</tr>"; oci_close($conn);?></table></center></body></html>⌨️ 快捷键说明
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