[原创]“Parse error: parse error, unexpected $ ”请问，到底是哪里出了问题呢？--一起PHP技术联盟

[原创]“Parse error: parse error, unexpected $ ”请问，到底是哪里出了问题呢？

聂老师，这是一段实现“查询搜索”的代码；程序运行时，不知道为什么，总是出现如下错误：

Parse error: parse error, unexpected $ in /var/www/html/tsg/search_book.php on line 224

也就是提示说，问题出在第224行，可是我的这段代码，总共才223行
我也找过这个问题的解决方法，有的说是 “{“ 没有成对匹配，可我找了很久，都没找出来。

请问，到底是哪里出了问题呢？
代码如下：

**************************************************************

<?php
include("db_connect.php");
//进行数据库连接
$conn=@mysql_connect($db_server,$db_user_name,$db_user_password);
if(! $conn)
{
echo "<P align=center>数据库连接出错";
exit(0);
}
$flag=@mysql_select_db($db_name,$conn);
if(! $flag)
{
echo "<P align=center>选择数据库出错";
exit(0);
}
if($mode==""):
?>
//产生书籍查询页面
<p>　</p>
<div align="center">
<center>
<table border="1" width="60%" bordercolor="#008000"
cellspacing="0" cellpadding="0" height="277">
<tr>
<td width="100%" height="275" valign="top">
<p align="center" class="1">书籍查询</P>
<form action="search_book.php?mode=doit" method="post">
<table border="0" width="100%" cellspacing="0" cellpadding="0">
<tr>
<td width="50%" align="right">书名：</td>
<td width="50%"><input type="text" name="book_title" size="20"></td>
</tr>
<tr>
    <td width="50%" align="right">作者：</td>
    <td width="50%">
<input type="text" name="member_name" size="20"></td>
</tr>
<tr>
<td width="50%" align="right">出版社：</td>
    <td width="50%"><input type="text" name="publish" size="20"></td>
</tr>
<tr>
    <td width="50%" align="right">出版时间：</td>
    <td width="50%"><input type="text" name="outtime1" size="4">年
<input type="text" name="outtime2" size="2">月</td>
</tr>
<tr>
<td width="50%" align="right">各条件：与
<input type="radio" value="and" name="select1" checked>或
<input type="radio" value="or" name="select1"> </td>
  <td width="50%">绝对匹配
<input type="radio" value="yes" name="select2" checked>
模糊匹配<input type="radio" value="no" name="select2"></td>
</tr>
<tr>
<td width="50%" align="center" colspan="2">
<input type="submit" value="查询" name="B1"></td>
</tr>
    </table>
    </form>
    <p align=center><font color=red size=2>请注意：
输入条件中应至少有一项不为空</font></p>
   </td>
    </tr>
  </table>
  </center>
</div>
<?php
endif;

function selects($strname,$strname2,$selectkey,$selectname)
{
global $sql;
if($selectname=="" || $selectname==" ")
;
else
if(strpos($sql,"=") || strpos($sql,"like"))
if($selectkey=="yes")
return " ".$strname2." ".$strname."='".$selectname."'";
else
return " ".$strname2." ".$strname." like '%".$selectname."%'";
else
if($selectkey=="yes")
return $strname."='".$selectname."'";
else
return $strname." like '%".$selectname."%'";

}
if($mode=="doit")
{
//构造查询条件
$postword="search_book.php?mode=doit&book_title=".$book_title."
&member_name=".$member_name;
$postword.="&publish=".$publish."&outtime1=".$outtime1."
&outtime2=".$outtime2."&select1=".$select1."&select2=".$select2;
if($pager=="")
$pagenum=0;
else
$pagenum=$pager;
$pagenum=(int)$pagenum;
$sql="select * from book where (".selects("book_title",$select1,$select2,$book_title);
$sql.=selects("book_author",$select1,$select2,$member_name);
$sql.=selects("book_publishing",$select1,$select2,$publish);
if(trim($outtime1)=="")
$outtimes="";
else
{
if(trim($outtime2)=="")
$temptime="01";
else
$temptime=$outtime2;
echo $temptime."01".$outtime1;
if(checkdate($temptime,"01",$outtime1))
{
$outtimes=$outtime1."-".$temptime."-01";
}
else
$outtimes="";

}
$sql.=") order by book_publishinging_time desc";
$sql.=" limit ".($pagenum*$page_counter).",".(($pagenum+1)*$page_counter);
//进行查询
$rs=@mysql_query($sql,$conn) or die ("<P align=center>查询发生错误<br>
<a href=\"javascript:history.go(-1)\">返回</a>");
if(mysql_num_rows($rs)==0)
echo "<P align=center>数据库中没有符合要求的记录<br>
<a href=\"javascript:history.go(-1)\">返回</a>";
else
list_sequel($rs,$postword,$oldsql);
}
mysql_close($conn);

//显示查询结果
function list_sequel($rs,$postword,$oldsql)
{
global $conn,$page_counter,$pagenum;
?>
<div align="center">
<center>
<table border="1" width="90%" bordercolor="#008000" cellspacing="0"
cellpadding="0" height="205">
    <tr>
    <td width="100%" height="203" valign="top">
    <p align="center" class="1">查询结果</p>
    <table border="1" width="100%" cellspacing="0"
cellpadding="0" bordercolor="#FFCCCC">
<tr>
<td width="20%" align="center" height="21">书名</td>
<td width="10%" align="center">作者</td>
<td width="20%" align="center">出版社</td>
<td width="10%" align="center">出版日期</td>
<td width="24%" align="center">书籍编号</td>
<td width="8%" align="center">总库存</td>
<td width="8%" align="center">现存</td>
    </tr>
<?php
while($lists=mysql_fetch_array($rs))
{
  echo "<tr><td width=\"20%\" height=\"21\">";
  echo $lists[book_title];
  echo "</td>";

  echo "<td width=\"10%\">";
  echo $lists[book_author];
  echo "</td>";

  echo "<td width=\"20%\">";
  echo $lists[book_publishing];
  echo "</td>";
  echo "<td width=\"10%\">";
  echo substr($lists[book_publishinging_time],0,7);
  echo "</td>";

  echo "<td width=\"24%\">";
  echo $lists[book_number];
  echo "</td>";

  echo "<td width=\"8%\">";
  echo $lists[book_in_number];
  echo "</td>";

  echo "<td width=\"8%\">";
  echo $lists[book_stocks];
  echo "</td>";

  echo "</tr>";
}
   echo "</table>";
   //分页显示, 确定每页显示记录的条数
   $rs1=mysql_query($oldsql,$conn);
   $maxnum=mysql_num_rows($rs1);
   if($maxnum >= $page_counter)
$maxpagenum= $maxnum / $page_counter;
   if(($maxnum % $page_counter)!=0)
   $maxpagenum+=1;
   echo "<P >";
   $j=0;
   for($i=0;$i<$maxpagenum;$i++)
   {
    if($pagenum!=$i)
    echo "<a href=\"".$postword."&pager=".$i."\">".($i+1)."</a>";
     else
     echo ($i+1);
     if((($j+1) % 15)==0)
     echo "<br>";
     $j+=1;
    }
   echo "</center>";
echo "<p align=\"right\" >".($pagenum+1)."/".$maxpagenum.";
?>
  </td>
    </tr>
  </table>
</div>
<?php
}
?>
</ body>
</html>

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