练习：租房子
<body>
<form action="test.php" method="post">
<div>区域：
<input type="checkbox" onclick="CheckAll(this,'qy')" />全选
</div>
<div>
<?php
include("../DBDA.php");
$db = new DBDA();
$sqlqy = "select distinct Area from housedb";
$attrqy = $db->Query($sqlqy);
foreach($attrqy as $v)
{
echo "<input class='qy' type='checkbox' value='{$v[0]}' name='qy[]' />{$v[0]} ";
}
?>
</div><br />
<div>租赁类型：
<input type="checkbox" onclick="CheckAll(this,'zl')" />全选
</div>
<div>
<?php
$sqlzl = "select distinct RentType from housedb";
$attrzl = $db->Query($sqlzl);
foreach($attrzl as $v)
{
echo "<input class='zl' type='checkbox' value='{$v[0]}' name='zl[]' />{$v[0]} ";
}
?>
</div><br />
<div>房屋类型：
<input type="checkbox" onclick="CheckAll(this,'fw')" />全选
</div>
<div>
<?php
$sqlfw = "select distinct HouseType from housedb";
$attrfw = $db->Query($sqlfw);
foreach($attrfw as $v)
{
echo "<input class='fw' type='checkbox' value='{$v[0]}' name='fw[]' />{$v[0]} ";
}
?>
</div><br />
<div>关键字：<input type="text" name="key" /></div>
<br />
<input type="submit" value="搜索" />
</form>
<br />
<table width="100%" border="1" cellpadding="0" cellspacing="0">
<tr>
<td>关键字</td>
<td>区域</td>
<td>建筑面积</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["qy"]))
{
$attr = $_POST["qy"];
$str = implode("','",$attr);
$tj1 = " Area in ('{$str}')";
}
if(!empty($_POST["zl"]))
{
$attr = $_POST["zl"];
$str = implode("','",$attr);
$tj2 = " RentType in ('{$str}')";
}
if(!empty($_POST["fw"]))
{
$attr = $_POST["fw"];
$str = implode("','",$attr);
$tj3 = " HouseType in ('{$str}')";
}
if(!empty($_POST["key"]))
{
$key = $_POST["key"];
$tj4 = " KeyWord like '%{$key}%'";
}
$tj = " where {$tj1} and {$tj2} and {$tj3} and {$tj4}";
$sql = "select * from housedb".$tj;
$attrall = $db->Query($sql);
foreach($attrall 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>
<script type="text/javascript">
function CheckAll(a,b)
{
var xz = a.checked;//找到全选的选中状态
var ck = document.getElementsByClassName(b);
for(var i=0; i<ck.length;i++)
{
ck[i].checked = xz;
}
}
</script>
</body>
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