复选框式查询例题租房子

来源：互联网发布：ps怎么添加字体mac 编辑：程序博客网时间：2024/04/27 21:47
<!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 $v){    echo "<input type='checkbox' name='qx[]' value='{$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 $v){    echo "<input type='checkbox' name='zl[]' value='{$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 $v){    echo "<input type='checkbox' name='lx[]' value='{$v[0]}'> {$v[0]}";}?></div><br /><div>关键字：<input type="text" name="key" /><input type="submit" value="查询" /></div><br /></form><table width="100%" border="1" cellpadding="0" cellspacing="0"><tr><td>关键字</td><td>区域</td><td>面积</td><td>租金</td><td>租赁类型</td><td>房屋类型</td></tr><?php$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>
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复选框式查询 例题租房子

复选框式查询例题租房子
