租房子示例
<!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> <?php require_once "./2018.1.18/1.php"; $db = new DBDA(); $tj1 = " 1=1 "; $tj2 = " 1=1 "; $tj3 = " 1=1 "; $tj4 = " 1=1 "; $arr1 = array(); if(!empty($_POST["qy"])){ // area in ('','','','') $arr1 = $_POST["qy"]; $str = implode("','",$arr1); $tj1 = " area in ('{$str}') "; } $arr2 = array(); if(!empty($_POST["zl"])){ // area in ('','','','') $arr2 = $_POST["zl"]; $str = implode("','",$arr2); $tj2 = " renttype in ('{$str}') "; } $arr3 = array(); if(!empty($_POST["fw"])){ // area in ('','','','') $arr3 = $_POST["fw"]; $str = implode("','",$arr3); $tj3 = " housetype in ('{$str}') "; } $key = ""; if(!empty($_POST["key"])){ $key = $_POST["key"]; $tj4 = " keyword like '%{$key}%' "; } ?> <form action="main.php" method="post"> <div> 区域：<input type="checkbox" id="qy" />全选<br /> <?php $sqlqy = "select distinct area from house"; $arrqy = $db->query($sqlqy); foreach($arrqy as $v){ if(in_array($v[0],$arr1)){ echo "<input class='qy' type='checkbox' name='qy[]' value='{$v[0]}' checked='checked' />{$v[0]} "; }else{ echo "<input class='qy' type='checkbox' name='qy[]' value='{$v[0]}' />{$v[0]} "; } } ?> </div> <br /> <div> 租赁类型：<input type="checkbox" id="zl" />全选<br /> <?php $sqlzl = "select distinct renttype from house"; $arrzl = $db->query($sqlzl); foreach($arrzl as $v){ if(in_array($v[0],$arr2)){ echo "<input class='zl' type='checkbox' name='zl[]' value='{$v[0]}' checked='checked' />{$v[0]} "; }else{ echo "<input class='zl' type='checkbox' name='zl[]' value='{$v[0]}' />{$v[0]} "; } } ?> </div> <br /> <div> 房屋类型：<input type="checkbox" id="fw" />全选<br /> <?php $sqlfw = "select distinct housetype from house"; $arrfw = $db->query($sqlfw); foreach($arrfw as $v){ if(in_array($v[0],$arr3)){ echo "<input class='fw' type='checkbox' name='fw[]' value='{$v[0]}' checked='checked' />{$v[0]} "; }else{ echo "<input class='fw' type='checkbox' name='fw[]' value='{$v[0]}' />{$v[0]} "; } } ?> </div> <br /> <div> 关键字：<input type="text" name="key" value='<?php echo $key; ?>' /> </div> <br /> <div> <input type="submit" value="搜索" /> </div> <br /> </form> <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 $sql = "select * from house where {$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"> var qy = document.getElementById("qy"); qy.onclick = function(){ var zt = qy.checked; var ck = document.getElementsByClassName("qy"); for(var i=0;i<ck.length;i++){ ck[i].checked = zt; } } var zl = document.getElementById("zl"); zl.onclick = function(){ var zt = zl.checked; var ck = document.getElementsByClassName("zl"); for(var i=0;i<ck.length;i++){ ck[i].checked = zt; } } var fw = document.getElementById("fw"); fw.onclick = function(){ var zt = fw.checked; var ck = document.getElementsByClassName("fw"); for(var i=0;i<ck.length;i++){ ck[i].checked = zt; } } </script> </html>
效果图
