第一个页面DBDA.class.php
<?php class DBDA { public $host = "localhost"; public $uid = "root"; public $pwd = "root"; public $dbname = "dbname"; public function Query($sql,$type=1)//两个参数，第二个参数代表默认值 { $db = new MySQLi($this->host,$this->uid,$this->pwd,$this->dbname); $result = $db->query($sql); if($type=="1")//定义1类型的是查询，其它类型是增删改 { return $result->fetch_all(); }else { return $result; } } }
第二个页面main.php
<!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> <h1>租房子</h1> <form action="main.php" method="post"> <div> <div>区域：<input type="checkbox" onclick="xuan(this,'qx')" />全选</div>//传入两个参数 <div> <?php include("./DBDA.class.php");//引入类文件 $db = new DBDA(); $sqx = "select distinct area from housedb"; $aqx = $db->Query($sqx); foreach($aqx as $v) { echo "<input type='checkbox' name='qx[]' class='qx' value='{$v[0]}' />{$v[0]}"; } ?> </div> </div> <br /> <div> <div>租赁类型：<input type="checkbox" onclick="xuan(this,'zl')" />全选</div> <div> <?php $szl = "select distinct renttype from housedb"; $azl = $db->Query($szl); foreach($azl as $v) { echo "<input type='checkbox' name='zl[]' class='zl' value='{$v[0]}' />{$v[0]}"; } ?> </div> </div> <br /> <div> <div>房屋类型：<input type="checkbox" onclick="xuan(this,'fw')" />全选</div> <div> <?php $sfw = "select distinct housetype from housedb"; $afw = $db->Query($sfw); foreach($afw as $v) { echo "<input type='checkbox' name='fw[]' class='fw' value='{$v[0]}' />{$v[0]}"; } ?> </div> </div> <br /> <div>关键字：<input type="text" name="keywords" /> <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>使用面积</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["qx"]) && count($_POST["qx"])>0) { $str = implode("','",$_POST["qx"]); $tj1 = " area in ('{$str}') "; } if(!empty($_POST["zl"]) && count($_POST["zl"])>0) { $str = implode("','",$_POST["zl"]); $tj2 = " renttype in ('{$str}') "; } if(!empty($_POST["fw"]) && count($_POST["fw"])>0) { $str = implode("','",$_POST["fw"]); $tj3 = " housetype in ('{$str}') "; } if(!empty($_POST["keywords"])) { $key = $_POST["keywords"]; $tj4 = " keyword like '%{$key}%' "; } $sql = "select * from housedb where {$tj1} and {$tj2} and {$tj3} and {$tj4}"; echo $sql; $arr = $db->Query($sql); foreach($arr 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> </body> <script type="text/javascript"> function xuan(qx,lei)//方法类似的尽量写一个，改变参数 { var ck = document.getElementsByClassName(lei); if(qx.checked) { for(var i=0;i<ck.length;i++) { ck[i].setAttribute("checked","checked"); } } else { for(var i=0;i<ck.length;i++) { ck[i].removeAttribute("checked"); } } } </script> </html>