第一个页面DBDA.class.php
<?php
class DBDA
{
public $host = "localhost";
public $uid = "root";
public $pwd = "root";
public $dbname = "dbname"; public function Query($sql,$type=1)//两个参数，第二个参数代表默认值
{
$db = new MySQLi($this->host,$this->uid,$this->pwd,$this->dbname);
$result = $db->query($sql); if($type=="1")//定义1类型的是查询，其它类型是增删改
{
return $result->fetch_all();
}else
{
return $result;
}
}
}
第二个页面main.php
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head><body>
<h1>租房子</h1>
<form action="main.php" method="post">
<div>
<div>区域：<input type="checkbox" onclick="xuan(this,'qx')" />全选</div>//传入两个参数
<div>
<?php
include("./DBDA.class.php");//引入类文件
$db = new DBDA();
$sqx = "select distinct area from housedb";
$aqx = $db->Query($sqx); foreach($aqx as $v)
{
echo "<input type='checkbox' name='qx[]' class='qx' value='{$v[0]}' />{$v[0]}";
}
?>
</div>
</div>
<br />
<div>
<div>租赁类型：<input type="checkbox" onclick="xuan(this,'zl')" />全选</div>
<div>
<?php
$szl = "select distinct renttype from housedb";
$azl = $db->Query($szl); foreach($azl as $v)
{
echo "<input type='checkbox' name='zl[]' class='zl' value='{$v[0]}' />{$v[0]}";
}
?>
</div>
</div>
<br />
<div>
<div>房屋类型：<input type="checkbox" onclick="xuan(this,'fw')" />全选</div>
<div>
<?php
$sfw = "select distinct housetype from housedb";
$afw = $db->Query($sfw); foreach($afw as $v)
{
echo "<input type='checkbox' name='fw[]' class='fw' value='{$v[0]}' />{$v[0]}";
}
?>
</div>
</div>
<br />
<div>关键字：<input type="text" name="keywords" />
<input type="submit" value="查询" />
</div>
<br />
</form>
<table width="100%" border="1" cellpadding="0" cellspacing="0">
<tr>
<td>关键字</td>
<td>区域</td>
<td>使用面积</td>
<td>租金</td>
<td>租赁类型</td>
<td>房屋类型</td>
</tr> <?php $tj1 = " 1=1 ";
$tj2 = " 1=1 ";
$tj3 = " 1=1 ";
$tj4 = " 1=1 "; if(!empty($_POST["qx"]) && count($_POST["qx"])>0)
{
$str = implode("','",$_POST["qx"]);
$tj1 = " area in ('{$str}') ";
}
if(!empty($_POST["zl"]) && count($_POST["zl"])>0)
{
$str = implode("','",$_POST["zl"]);
$tj2 = " renttype in ('{$str}') ";
}
if(!empty($_POST["fw"]) && count($_POST["fw"])>0)
{
$str = implode("','",$_POST["fw"]);
$tj3 = " housetype in ('{$str}') ";
}
if(!empty($_POST["keywords"]))
{
$key = $_POST["keywords"];
$tj4 = " keyword like '%{$key}%' ";
} $sql = "select * from housedb where {$tj1} and {$tj2} and {$tj3} and {$tj4}"; echo $sql; $arr = $db->Query($sql); foreach($arr as $v)
{
echo "<tr>
<td>{$v[1]}</td>
<td>{$v[2]}</td>
<td>{$v[3]}</td>
<td>{$v[4]}</td>
<td>{$v[5]}</td>
<td>{$v[6]}</td>
</tr>";
}
?></table>
</body>
<script type="text/javascript">
function xuan(qx,lei)//方法类似的尽量写一个，改变参数
{
var ck = document.getElementsByClassName(lei);
if(qx.checked)
{
for(var i=0;i<ck.length;i++)
{
ck[i].setAttribute("checked","checked");
}
}
else
{
for(var i=0;i<ck.length;i++)
{
ck[i].removeAttribute("checked");
}
}
}
</script>
</html>
