<!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}%' "; } ?> <h2>租房子</h2> <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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