Php 允许重复的“标题”值？是否有一个特定的“中点”值，希望得到结果？这就是$submission的值吗？@rdlowery中点是$submission等于标题的位置。它们都是文本。+1如果多个提交记录在点上共享相同的值，那么这里有一些微妙之处。可能有两种情况：

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允许重复的“标题”值？是否有一个特定的“中点”值，希望得到结果？这就是$submission的值吗？@rdlowery中点是$submission等于标题的位置。它们都是文本。+1如果多个

提交

记录在

点

上共享相同的值，那么这里有一些微妙之处。可能有两种情况：（没有公认的答案，但更好的搜索标题）。你能更具体一点吗？谢谢。@John，关于哪一部分更具体一点？@pilcrow我怎么能把所有这些合并到一个查询中呢？我试过了，但没有成功。我是不是应该让这个问题保持不变？是的，这就是我的想法。什么不适合你？我忘记了数组拼接上的分号（$priorEntries，5）；然而，我现在已经编辑了我的答案。

$sqlStr = "SELECT title, points, submissionid
             FROM submission 
         ORDER BY points DESC"; 


$result = mysql_query($sqlStr);

$arr = array();

$count=1;

echo "<table class=\"samplesrec\">";

while ($row = mysql_fetch_array($result)) { 


    echo '<tr >';

    echo '<td>'.$count++.'.</td>';

    echo '<td class="sitename1">'.$row["title"].'</td>';

    echo '<td class="sitename2"><div class="pointlink2">'.number_format($row["points"]).'</div></td>';
    echo '</tr>';

}

echo "</table>";

(
    SELECT title, points, submissionid
    FROM submission
    WHERE points < (SELECT points FROM submission WHERE title = <row_title> LIMIT 1)
    ORDER BY points DESC LIMIT 5
)UNION(
    SELECT title, points, submissionid
    FROM submission
    WHERE points > (SELECT points FROM submission WHERE title = <row_title> LIMIT 1)
    ORDER BY points ASC LIMIT 5
) ORDER BY points DESC

$entryFound = false;
$counter = 0;
$priorEntries = array();

while ($row = mysql_fetch_array($result)) { 
    $rowHtml = '<tr >';
    $rowHtml .=  '<td>'.$count++.'.</td>';
    $rowHtml .= '<td class="sitename1">'.$row["title"].'</td>';
    $rowHtml .= '<td class="sitename2"><div class="pointlink2">'.number_format($row["points"]).'</div></td>';
    $rowHtml .= '</tr>';

    if ($entryFound) {
            if ($counter < 5) {
                $counter++;
                echo $rowHtml;
            }
    } else {            
            array_unshift($priorEntries, $rowHtml); 
            if (strcmp($row["title"], $submission) == 0) {
                echo implode(array_reverse($priorEntries));
                $entryFound = true;
            }   
    array_splice($priorEntries, 5);
    }
}

points | title | submissionid
------ + ----- + ------------
    ...
   50  | 'foo' | ABCD01234     <-- If (50, 'foo') is the "midpoint" record,
   50  | 'bar' | EF7654321     <-- does (50, 'bar') come before or after?
    ...

-- First, initialize user variables with the points and
-- title of our midpoint (including midpoint)
--
SELECT @title := title,
       @points := points
  FROM submission
 WHERE title = ?          -- bind your $submission variable bere
 LIMIT 1;

-- Now, select six records greater than or equal to our
-- midpoint.
--
  SELECT title, points, submissionid
        FROM (  SELECT title, points, submissionid
                  FROM submission
                 WHERE (points, title) >= (@points, @title)
              ORDER BY points ASC, title ASC
                 LIMIT 6) gte
-- and UNION those records with five records less than
-- our midpoint
--
   UNION
  SELECT title, points, submissionid
        FROM (  SELECT title, points, submissionid
                  FROM submission
                 WHERE (points, title) < (@points, @title)
              ORDER BY points DESC, title DESC
                 LIMIT 5) lt
-- Finally sort the result set
--
ORDER BY points DESC, title DESC

SELECT 
    title, points, submissionid
FROM
    submission 
WHERE 
    ROWID >= (SELECT ROWID FROM submission WHERE ..... ORDER BY points DESC) - 5
AND
    ROWID <= (SELECT ROWID FROM submission WHERE ..... ORDER BY points DESC) + 5
ORDER BY 
    points DESC

$sqlStr = "SELECT title, points, submissionid FROM submission ORDER BY points DESC"; 

$result = mysql_query($sqlStr);

$count = 1;

$found = false;

$continue = true;

$records = array();

$row = mysql_fetch_array($result);
while ($row !== false && $continue === true)
{ 
    if($found == false && $row['title'] == $submission)
    {
        $found = true;
    }
    elseif($found == true && $count < 6) 
    {
        $count++;
    }
    elseif($found == true && $count >= 6)
    {
        $continue = false;
    }

    $records[] = $row;
    $row = mysql_fetch_array($result);
}

if($found === true)
{
    if(array_count($records) > 11)
        $records = array_splice($records, -11);
}
else
{
    $records = array();
}

echo "<table class=\"samplesrec\">";

for($i = 1; $i <= count($records); $i++)
{
    echo '<tr >';

    echo '<td>'.$i.'.</td>';

    echo '<td class="sitename1">'.$records[$i]["title"].'</td>';

    echo '<td class="sitename2"><div class="pointlink2">'.number_format($records[$i]["points"]).'</div></td>';

    echo '</tr>';
}

echo "</table>";

SELECT title, points, submissionid
FROM submission 
WHERE points <=
      ( SELECT points
        FROM submission
        WHERE points >= 
              ( SELECT points
                FROM submission
                WHERE title = @row_title
              )
        ORDER BY points ASC
        LIMIT 1 OFFSET 5
      )
ORDER BY points DESC
LIMIT 11 OFFSET 0

SELECT b.title, b.points FROM (
  SELECT @rank1 := @rank1 + 1 as slno, temp1.* FROM (
    SELECT s1.title, s1.points, COUNT(s2.title) rank
    FROM submission s1
    JOIN submission s2 ON s1.points <= s2.points
    GROUP BY s1.title, s1.points
    ORDER BY rank, s1.title ASC
  ) as temp1 
  JOIN( SELECT @rank1 := 0 ) AS init
  ORDER BY slno 
) a
LEFT JOIN (
  SELECT @rank2 := @rank2 + 1 as slno, temp1.* FROM (
    SELECT s1.title, s1.points, COUNT(s2.title) rank
    FROM submission s1
    JOIN submission s2 ON s1.points <= s2.points
    GROUP BY s1.title, s1.points
    ORDER BY rank, s1.title ASC
  ) as temp1 
  JOIN( SELECT @rank2 := 0 ) AS init
  ORDER BY slno 
) b ON a.slno BETWEEN b.slno - 5 AND b.slno + 5
WHERE a.title = <row_title>;