PHP 练习租房

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]}&nbsp;";

        }

        ?>

    </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]}&nbsp;";

        }

        ?>

    </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]}&nbsp;";

        }

        ?>

    </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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