我使用此代码获得了以前的记录
<?php
$previousRow = array();
while ($temp = mysql_fetch_row($res2))
{
echo "<br>currentRow:".$temp[1];
echo "previousRow:".$previousRow[1];
$previousRow = $temp;
}
?>
currentRow:1previousRow:
currentRow:5previousRow:1
currentRow:6previousRow:5
currentRow:7previousRow:6
currentRow:8previousRow:7
如何检查上一行替换的下一行的值?
任何帮助都会感激不尽。
答案 0 :(得分:1)
如果我能帮到你,那么这样的事情会有所帮助吗?
$previousRow = array();
$currentRow = mysql_fetch_row($res2);
while ($currentRow) {
$nextRow = mysql_fetch_row($res2);
echo "<br>currentRow:".$currentRow[1];
echo "previousRow:".$previousRow[1];
echo "nextRow:".$nextRow[1];
$previousRow = $currentRow;
$currentRow = $nextRow;
}
答案 1 :(得分:1)
请尝试以下代码。
$res = array();
while ($result = mysql_fetch_row($r)) {
$res[] = $result;
}
echo "<pre>";
foreach($res AS $index=>$res1){
echo "Current".$res1[1];
echo " Next" . $res[$index+1][1];
echo " Prev" . $res[$index-1][1]; echo "<br>";
}
感谢
答案 2 :(得分:0)
我首先收集所有行,然后使用for:
遍历它们<?php
$rows = array();
while ($temp = mysql_fetch_row($res2))
{
$rows[] = $temp;
}
$rowCount = count($rows);
for ($i = 0; $i < $rowCount; $i++) {
echo "<br>currentRow:".$rows[$i][1];
if ($i > 0) {
echo "previousRow:".$rows[$i - 1][1];
}
if ($i + 1 < $rowCount - 1) {
echo "nextRow:".$rows[$i + 1][1];
}
}
?>