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复选框式查询 例题租房子
<!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>
<?php$db = new MySQLi("localhost","root","726","housedb");//一共有四个条件$tj1 = "1=1";$tj2 = "1=1";$tj3 = "1=1";$tj4 = "1=1";//区域的条件if(!empty($_POST["qx"]) && count($_POST["qx"])>0)//判断区域有没有传入数据，qs是一个数组 并且它数量大于0{
$qx = $_POST["qx"];
$str = implode("‘,‘",$qx); 分隔符 返回一个字符串 $tj1 = " area in(‘{$str}‘) ";
}//租赁类型的条件if(!empty($_POST["zl"]) && count($_POST["zl"])>0)
{
$zl = $_POST["zl"]; //code in(‘类型‘,‘数量‘,‘都好久‘,‘队伍‘,‘额‘)
$str = implode("‘,‘",$zl);
$tj2 = " renttype in(‘{$str}‘) ";
}//房屋类型的条件if(!empty($_POST["fw"]) && count($_POST["fw"])>0)
{
$fw = $_POST["fw"]; //code in(‘类型‘,‘数量‘,‘都好久‘,‘队伍‘,‘额‘)
$str = implode("‘,‘",$fw);
$tj3 = " housetype in(‘{$str}‘) ";
}//关键字的条件if(!empty($_POST["key"]))
{ $key = $_POST["key"]; $tj4 = " keyword like ‘%{$key}%‘ ";
}
?>
<h1>租房子</h1>
<form action="zfchaxun.php" method="post">
<div>区域：<input type="checkbox" onclick="checkall(this)" />全选</div>
<div>
<?php$sqlq = "select distinct area from house";$rq = $db->query($sqlq);$aq = $rq->fetch_all();foreach($aq as $v)
{ echo "<input type=‘checkbox‘ name=‘qx[]‘ value=http://www.mamicode.com/‘{$v[0]}‘> {$v[0]}";
}
?>
</div>
<br />
<div>租赁类型：<input type="checkbox" />全选</div>
<div>
<?php$sqlz = "select distinct renttype from house";$rz = $db->query($sqlz);$az = $rz->fetch_all();foreach($az as $v)
{ echo "<input type=‘checkbox‘ name=‘zl[]‘ value=http://www.mamicode.com/‘{$v[0]}‘> {$v[0]}"; //设置name值}
?>
</div>
<br />
<div>房屋类型：<input type="checkbox" />全选</div>
<div>
<?php$sqlf = "select distinct housetype from house";$rf = $db->query($sqlf);$af = $rf->fetch_all();foreach($af as $v)
{ echo "<input type=‘checkbox‘ name=‘lx[]‘ value=http://www.mamicode.com/‘{$v[0]}‘> {$v[0]}";
}
?>
</div>
<br />
<div>关键字：<input type="text" name="key" />
<input type="submit" value="http://www.mamicode.com/查询" />
</div>
<br />
</form>
<table width="100%" border="1" cellpadding="0" cellspacing="0">
<tr>
<td>关键字</td>
<td>区域</td>
<td>面积</td>
<td>租金</td>
<td>租赁类型</td>
<td>房屋类型</td>
</tr>
<?php$sqlall = "select * from house where {$tj1} and {$tj2} and {$tj3} and {$tj4}";$rall = $db->query($sqlall);$aall = $rall->fetch_all();foreach($aall 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"> //实现复选框的全选function checkall(a)
{ var ck = document.getElementsByClassName("qxlist");
if(a.checked)
{ for(var i=0;i<ck.length;i++)
{
ck[i].setAttribute("checked","checked"); 复选框加个属性
}
} else
{ for(var i=0;i<ck.length;i++)
{
ck[i].removeAttribute("checked");
}
}
}
</script>
</body>
</html>
复选框式查询 例题租房子
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