bbsxsearch.php

linux/unix环境下的建站系统

<?php
	require("www2-funcs.php");
	login_init();
	
	page_header("令狐冲精华区全文检索");

	if (isset($_GET["q"]))
		$select = $_GET["q"];
	else
		$select = "";
	if (isset($_GET["b"]))
		$board = $_GET["b"];
	else
		$board = "";
?>
<form action="bbsxsearch.php" class="large">
<div class="fleft" style="padding: 1em 1em 0 0;"><a href="bbsxsearch.php"><img src="images/xsearch.jpg" border="0"></a></div>
	<fieldset><legend>令狐冲精华区全文检索</legend>
		<div class="inputs">
			<input type="text" name="q" value="<?php echo $select; ?>" size="41" id="sselect"/><br/>
			<label>版面名称:</label><input type="text" name="b" value="<?php echo $board; ?>" size="20"/>
			<input type="submit" value="<?php if ($select=="") echo "开始搜索"; else echo "重新搜索"; ?>"/>
		</div>
	</fieldset>
</form><br class="clear"/>
<div class="main wide">
<?php

	function reg($num, $per) {
		return (floor($num / $per) * $per);
	}
	
	if ($select != "") {
		$query = $select;
		if ($board != "") $query = "=$board $select";
		if (isset($_GET["s"])) $start = $_GET["s"]; else $start = 0;
		if (!is_numeric($start)) $start = 0; if ($start < 0) $start = 0;
		$per_page = 10;
		$per_query = 100;
		
		$re = bbs_x_search($query, (int)($start/$per_query), $total_records);
		$len = count($re);

		$min = reg($start - $per_query, $per_page);
		if ($min < 0) $min = 0;
		$prev = reg($start - $per_page, $per_page);
		if ($prev < 0) $prev = 0;
		$max = $min + 2 * $per_query;
		if ($max > $total_records - 1) $max = reg($total_records - 1, $per_page);
		$next = ($start + $per_page) / $per_page * $per_page;
		if ($next > $total_records - 1) $next = reg($total_records - 1, $per_page);
		
		$ss1 = $start + 1;
		$ss2 = $ss1 + $per_page - 1;
		if ($ss2 > $total_records) $ss2 = $total_records;
		if ($ss2 >= $ss1) $str = "显示第 $ss1 条到 第 $ss2 条记录。";
		else $str = "";

		echo "<p><b>查到 $total_records 条记录。</b> $str</p>";
		$stop_index = $start % $per_query + $per_page;
		if ($stop_index > $len) $stop_index = $len;
		for ($i = $start % $per_query; $i < $stop_index; $i++) {
			echo "<p><a href=\"bbsanc.php?path=".urlencode(substr($re[$i]["filename"],9))."\">".htmlspecialchars(trim($re[$i]["title"]))."</a> 位置：".htmlspecialchars($re[$i]["path"])."<br /><span style=\"font-size: 10pt;\">".$re[$i]["content"]."</span></p>\n";
		}
		$links = array();
		if ($prev < $start) $links[] = "<a href=\"bbsxsearch.php?q=".urlencode($select)."&b=".urlencode($board)."&s=$prev\">上一页</a>";
		for ($i = $min; $i <= $max; $i += $per_page) {
			if ($start >= $i && $start < $i + $per_page) {
				$links[] = $i/$per_page+1;
			} else {
				$links[] = "<a href=\"bbsxsearch.php?q=".urlencode($select)."&b=".urlencode($board)."&s=$i\">".(int)($i/$per_page+1)."</a>";
			}
		}
		if ($next > $start) $links[] = "<a href=\"bbsxsearch.php?q=".urlencode($select)."&b=".urlencode($board)."&s=$next\">下一页</a>";
		$len = count($links);
		if ($len > 1) {
			echo "<p align=\"center\">";
			for ($i = 0; $i < $len - 1; $i++) {
				echo $links[$i]." ";
			}
			echo $links[$len - 1];
			echo "</p>";
		}
	}
?>
</div>
<hr />
<p align="center">
Powered By <a href="http://www.aka.cn/" target="_blank">Aka</a>
<a href="http://www.aka.cn/serv_prod/coreSearch/index.shtml" target="_blank">coreSearch海量中文检索系统</a>
</p>
<?php
	page_footer();
?>