for($i=1;$i++;$i<=10000){
echo $i;
}现在是输出从1到一万,
我想做成下拉菜单,如果i是当前页,就显示i附近的前后10个,往前或往后的数字不要按顺序,隔几个数字显示一个,越往前或后间距越大如当前i等于1
就显示
1,2,3,4,5,6,7,8,9,10,20,30,50,100,200,500,1000,5000,10000如i等于4000
就显示1,500,1000,2000,3000,3500,3995,3996,3997,3998,3999,4000,4001,4002,4003,4004,4014,4024,4054,5000,6000....这样怎么弄呀
echo $i;
}现在是输出从1到一万,
我想做成下拉菜单,如果i是当前页,就显示i附近的前后10个,往前或往后的数字不要按顺序,隔几个数字显示一个,越往前或后间距越大如当前i等于1
就显示
1,2,3,4,5,6,7,8,9,10,20,30,50,100,200,500,1000,5000,10000如i等于4000
就显示1,500,1000,2000,3000,3500,3995,3996,3997,3998,3999,4000,4001,4002,4003,4004,4014,4024,4054,5000,6000....这样怎么弄呀
<?php
$p=$_GET["page"]?$_GET["page"]:1;//当前页$step=5;//设定当前页码前后各显示多少页码
$totalPage=50;//设定总页数
$pagenumbers=10;//设定显示多少页码
$pagesize=10;//设定分页尺寸if($p>$step)
{
$start=$p-$step;
$end=$p+$step;
if($end>=$totalPage)
{
$end=$totalPage;
$start=$totalPage-$pagenumbers;
}
}
else
{
$start=1;
$end=$pagenumbers;
}
for($i=$start;$i<=$end;$i++)
{
if($i==$p)
{
echo "[<b>$i</b>]";
}
else
{
echo "[<a href='?page=$i'>$i</a>]";
}
}
?>
{
$divide = true;
$dividebase = 2;
$dividecount = 2; $powbase = 2;
$powexp = 2; $block = 5;
$prevs = $p - $block; if ( $prevs <= 0) { $prevs = 1; }
$prev = $p - 1; if($prev <= 0) { $prev = 1;}
$prevb = $prevs - 1; if ( $prevb <= 0) { $prevb = 1; }
$nexts = $p + $block + 1; if ( $nexts > $total) { $nexts = $total; }
$next = $p + 1; if($next > $total) { $next = $total; }
$nextb = $nexts + 1; if ( $nextb > $total) { $nextb = $total; } $j = 10;
$i = $prevs - $prevs % $j;
while($i > 1)
{
$pagenavi = "<a href=\"$site?page=$i\">$i</a> " . $pagenavi;
for($a = 0;$a < 2;$a++)
{
$i -= $j;
if($i >= 1)
{
$pagenavi = "<a href=\"$site?page=$i\">$i</a> " . $pagenavi;
}
else
{
break;
}
}
$j = $j * 10;
$i = $prevs - $prevs % $j;
} for ( $i = $prevs; $i <= $p-1; $i++ )
{
$pagenavi .= "<a href=\"$site?page=$i\">$i</a> ";
}
$pagenavi .= "<strong>$p</strong> ";
for ( $i = $p+1; $i <= $nexts; $i++ )
{
$pagenavi .= "<a href=\"$site?page=$i\">$i</a> ";
} $j = 10;
$i = $nexts + (10 - $nexts % $j);
while($i < $total)
{
$pagenavi .= "<a href=\"$site?page=$i\">$i</a> ";
for($a = 0;$a < 2;$a++)
{
$i += $j;
if($i <= $total)
{
$pagenavi .= "<a href=\"$site?page=$i\">$i</a> ";
}
else
{
break;
}
}
$j = $j * 10;
$i = $nexts + ($j - $nexts % $j);
} $pagenavi = "<a href=\"$site?page=$prevb\">...</a> " . $pagenavi;
$pagenavi = "<a href=\"$site?page=$prev\">上页</a> " . $pagenavi;
$pagenavi = "<a href=\"$site?page=1\">首页</a> " . $pagenavi; $pagenavi .= "<a href=\"$site?page=$nextb\">...</a> ";
$pagenavi .= "<a href=\"$site?page=$next\">下页</a> ";
$pagenavi .= "<a href=\"$site?page=$total\">尾页</a> "; return $pagenavi;
}$p = $_GET['page'];
if($p < 0)
{
$p = 1;
}echo fenye($p, 1000, 'test.php');
而且也没有多大的实际意义.function fenye ($p, $total, $site)
{
$divide = true;
$dividebase = 2;
$dividecount = 2; $powbase = 2;
$powexp = 2; $block = 5; $prevs = $p - $block; if ( $prevs <= 0) { $prevs = 1; }
$prev = $p - 1; if($prev <= 0) { $prev = 1;}
$prevb = $prevs - 1; if ( $prevb <= 0) { $prevb = 1; }
$nexts = $p + $block + 1; if ( $nexts > $total) { $nexts = $total; }
$next = $p + 1; if($next > $total) { $next = $total; }
$nextb = $nexts + 1; if ( $nextb > $total) { $nextb = $total; } $c = 2;
while($prevs - pow($powbase, $c) > 1)
{
$i = $prevs - pow($powbase, $c);
$pagenavi = "<a href=\"$site?page=$i\">$i</a> " . $pagenavi;
$c += $powexp;
} if($divide === true)
{
$i = floor($i / $dividebase); $count = 1;
while($i > 1)
{
$pagenavi = "<a href=\"$site?page=$i\">$i</a> " . $pagenavi;
$i = floor($i / $dividebase);
$count++;
if($count > $dividecount)
{
break;
}
}
} for ( $i = $prevs; $i <= $p-1; $i++ )
{
$pagenavi .= "<a href=\"$site?page=$i\">$i</a> ";
}
$pagenavi .= "<strong>$p</strong> ";
for ( $i = $p+1; $i <= $nexts; $i++ )
{
$pagenavi .= "<a href=\"$site?page=$i\">$i</a> ";
} $c = 2;
while($nexts + pow($powbase, $c) < $total)
{
$i = $nexts + pow($powbase, $c);
$pagenavi .= "<a href=\"$site?page=$i\">$i</a> ";
$c += $powexp;
} if($divide === true)
{
$i = floor($i + (($total - $i) / $dividebase));
$count = 1;
while($i < $total - 1)
{
$pagenavi .= "<a href=\"$site?page=$i\">$i</a> ";
$i = floor($i + (($total - $i) / $dividebase));
$count++;
if($count > $dividecount)
{
break;
}
}
} $pagenavi = "<a href=\"$site?page=$prevb\">...</a> " . $pagenavi;
$pagenavi = "<a href=\"$site?page=$prev\">上页</a> " . $pagenavi;
$pagenavi = "<a href=\"$site?page=1\">首页</a> " . $pagenavi; $pagenavi .= "<a href=\"$site?page=$nextb\">...</a> ";
$pagenavi .= "<a href=\"$site?page=$next\">下页</a> ";
$pagenavi .= "<a href=\"$site?page=$total\">尾页</a> ";
$pagenavi .= '<input id="pagebox" type="text" value="' . $p . '" style="width:50px;" />';
$pagenavi .= '<input type="button" value="Go" onclick="gopage();" style="width:30px;" />'; return $pagenavi;
}$p = $_GET['page'];
if($p < 0)
{
$p = 1;
}echo fenye($p, 1000, 'test.php');