实现预定房间的功能

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<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style type="text/css">
.qylist
{
    float:left;
}
.zllist
{
    float:left;
}
.fwlist
{
    float:left;
}
</style>
</head>

<body>
<?php
    include("DBDA.php");
    $db = new DBDA();
    
    @$qytj = $_POST["qy"];
    @$zltj = $_POST["zl"];
    @$fwtj = $_POST["fw"];
    @$key = $_POST["key"];
    
    //造查询字符串
    $str1 = " 1=1";
    $str2 = " 1=1";
    $str3 = " 1=1";
    $str4 = " 1=1";
    
    //判断第一个条件是否有值
    if(count($qytj)>0)
    {
        $ss = implode("','",$qytj);
        $str1 = " Area in ('{$ss}')";
    }
    //判断租赁类型
    if(count($zltj)>0)
    {
        $ss = implode("','",$zltj);
        $str2 = " RentType in ('{$ss}')";
    }
    //判断房屋类型
    if(count($fwtj)>0)
    {
        $ss = implode("','",$fwtj);
        $str3 = " HouseType in ('{$ss}')";
    }
    //判断关键字
    if($key!="")
    {
        $str4 = " KeyWord like '%{$key}%'";
    }
    
    $sqltj = " where".$str1." and".$str2." and".$str3." and".$str4;
    
    
?>

<form action="0329House.php" method="post">
<div>
    <div style="margin-top:10px">区域：<input type="checkbox" id="qyall" name="qyall" onclick="CheckAll(this,'qy')" />全选</div>
    <div>
        <?php
        $sqlqy = "select distinct(Area) from HouseDB";
        $attrqy = $db->Query($sqlqy);
        for($i=0;$i<count($attrqy);$i++)
        {
            echo "<div class='qylist'>
            <input type='checkbox' name='qy[]' class='qy' value='{$attrqy[$i][0]}' />
            {$attrqy[$i][0]}
            </div>";
        }
        ?>
    </div>
    <div style="clear:both"></div>
    <div style="margin-top:20px;">租赁类型：<input type="checkbox" id="zlall" name="zlall" onclick="CheckAll(this,'zl')" />全选</div>
    
    <div>
        <?php
        $sqlzl = "select distinct(RentType) from HouseDB";
        $attrzl = $db->Query($sqlzl);
        for($i=0;$i<count($attrzl);$i++)
        {
            echo "<div class='zllist'>
            <input type='checkbox' name='zl[]' class='zl' value='{$attrzl[$i][0]}' />
            {$attrzl[$i][0]}
            </div>";
        }
        ?>
    </div>
    <div style="clear:both"></div>
    <div style="margin-top:20px">房屋类型：<input type="checkbox" id="fwall" name="fwall" onclick="CheckAll(this,'fw')" />全选</div>
    
       <div>
        <?php
        $sqlfw = "select distinct(HouseType) from HouseDB";
        $attrfw = $db->Query($sqlfw);
        for($i=0;$i<count($attrfw);$i++)
        {
            echo "<div class='fwlist'>
            <input type='checkbox' name='fw[]' class='fw' value='{$attrfw[$i][0]}' />
            {$attrfw[$i][0]}
            </div>";
        }
        ?>
    </div>
    <div style="clear:both"></div>
    
    <div style="margin:20px 0px 20px 0px">关键字：<input type="text" name="key" /> &nbsp;<input type="submit" value="搜索" /></div>
    
</div>
</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
        
        $sqlall = "select * from HouseDB".$sqltj;
        $rall = $db->Query($sqlall);
        
        for($i=0;$i<count($rall);$i++)
        {
            echo "<tr>
            <td>{$rall[$i][1]}</td>
            <td>{$rall[$i][2]}</td>
            <td>{$rall[$i][3]}</td>
            <td>{$rall[$i][4]}</td>
            <td>{$rall[$i][5]}</td>
            <td>{$rall[$i][6]}</td>
            </tr>";
            
        }
    
    ?>
    
</table>

</body>
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原文地址：https://www.cnblogs.com/hellodp/p/5339498.html