1.数据库建表
2. zufangzi.php
1 <body> 2 3 <h1>租房子</h1> 4 5 <form action="zufangzi.php" method="post"> 6 <div>区域：<input type="checkbox" name="qx" onclick="quanxuan(this,'qy')" />全选</div> 7 <div> 8 <?php 9 require "DBDA.class1.php"; 10 $db = new DBDA(); 11 12 $sqy = "select distinct area from house";//写SQL语句，并去重 13 $aqy = $db->query($sqy); 14 foreach($aqy as $v) 15 { 16 echo "<input type='checkbox' name='qy[]' value='{$v[0]}' class='qy' />{$v[0]}"; 17 } 18 ?> 19 </div> 20 <br /> 21 22 <div>租赁类型：<input type="checkbox" name="zlqx" onclick="quanxuan(this,'zl')" />全选</div> 23 <div> 24 <?php 25 $szl = "select distinct renttype from house"; 26 $azl = $db->query($szl); 27 foreach($azl as $v) 28 { 29 echo "<input type='checkbox' name='zl[]' value='{$v[0]}' class='zl' />{$v[0]}"; 30 } 31 ?> 32 </div> 33 <br /> 34 <div>房屋类型：<input type="checkbox" name="fwqx" onclick="quanxuan(this,'fw')" />全选</div> 35 <div> 36 <?php 37 $sfw = "select distinct housetype from house"; 38 $afw = $db->query($sfw); 39 foreach($afw as $v) 40 { 41 echo "<input type='checkbox' name='fw[]' value='{$v[0]}' class='fw' />{$v[0]}"; 42 } 43 ?> 44 </div> 45 <br /> 46 <div>关键字：<input type="text" name="key" /> <input type="submit" value="查询" /></div> 47 </form> 48 <br /> 49 50 <table width="100%" border="1" cellpadding="0" cellspacing="0"> 51 <tr> 52 <td>关键字</td> 53 <td>区域</td> 54 <td>建筑面积</td> 55 <td>租金</td> 56 <td>租赁类型</td> 57 <td>房屋类型</td> 58 </tr> 59 <?php 60 61 $tj1 = " 1=1 "; 62 $tj2 = " 1=1 "; 63 $tj3 = " 1=1 "; 64 $tj4 = " 1=1 "; 65 66 if(!empty($_POST["qy"])) 67 { 68 $aqy = $_POST["qy"]; 69 $sqy = implode("','",$aqy); 70 71 $tj1 = " area in ('{$sqy}') "; 72 } 73 74 if(!empty($_POST["zl"])) 75 { 76 $azl = $_POST["zl"]; 77 $szl = implode("','",$azl); 78 79 $tj2 = " renttype in ('{$szl}') "; 80 } 81 82 if(!empty($_POST["fw"])) 83 { 84 $afw = $_POST["fw"]; 85 $sfw = implode("','",$afw); 86 87 $tj3 = " housetype in ('{$sfw}') "; 88 } 89 90 if(!empty($_POST["key"])) 91 { 92 $k = $_POST["key"]; 93 $tj4 = " keyword like '%{$k}%' "; 94 } 95 96 97 $sql = "select * from house where {$tj1} and {$tj2} and {$tj3} and {$tj4}"; 98 echo $sql; 99 100 $arr = $db->query($sql); 101 foreach($arr as $v) 102 { 103 echo "<tr> 104 <td>{$v[1]}</td> 105 <td>{$v[2]}</td> 106 <td>{$v[3]}</td> 107 <td>{$v[4]}</td> 108 <td>{$v[5]}</td> 109 <td>{$v[6]}</td> 110 </tr>"; 111 } 112 ?> 113 </table> 114 115 </body> 116 <script type="text/javascript"> 117 function quanxuan(qx,a) 118 { 119 //找到该全选按钮对应的checkbox列表 120 var ck = document.getElementsByClassName(a); 121 //找全选按钮选中状态 122 if(qx.checked) 123 { 124 for(var i=0;i<ck.length;i++) 125 { 126 ck[i].setAttribute("checked","checked"); 127 } 128 } 129 else 130 { 131 for(var i=0;i<ck.length;i++) 132 { 133 ck[i].removeAttribute("checked"); 134 } 135 } 136 137 } 138 </script> 139 </html>
所引用的封装类
1 <?php 2 class DBDA 3 { 4 public $host = "localhost"; 5 public $uid = "root"; 6 public $pwd = "123"; 7 public $dbname = "test_123"; 8 //执行SQL语句返回相应的结果 9 //$sql 要执行的SQL语句 10 //$type 代表SQL语句的类型，0代表增删改，1代表查询 11 function query($sql,$type=1) 12 { 13 $db = new MySQLi($this->host,$this->uid,$this->pwd,$this->dbname); 14 15 $result = $db->query($sql); 16 17 if($type) 18 { 19 //如果是查询，显示数据 20 return $result->fetch_all(); 21 } 22 else 23 { 24 //如果是增删改，返回true或者false 25 return $result; 26 } 27 } 28 }
呈现页面
