PHP+Mysql多条件多值查询示例代码：
index.html代码：
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>SQL多条件查询示例</title>
</head>
<body>
<form method="post" action="deal.php">
<h1>房屋出租</h1>
房屋类型：<select name="type">
<option value="1">一居室</option>
<option value="2">二居室</option>
<option value="3">三居室</option>
</select>
面积：<input name="area" type="text"/>
地址：<input name="addr" type="text"/>
<input name="btn" type="submit" value="搜索" />
</form>
</body>
</html>
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deal.php文件：
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<?php//连接数据库$conn=mysql_connect("localhost","root","");
//选择数据库$db=mysql_select_db("数据库名");
//接收 参数$type=$_POST['type'];
$area=$_POST['area'];
$addr=$_POST['addr'];
//SQL语句主题$query="select * from room where ";
//根据条件和传的值拼接sql语句//判断面积不为空if($type!=""){
//然后根据具体面积分情况拼接
switch($type){
case 1:
//一居室
$query.=" room_type=1";
break;
case 2:
$query.=" room_type=2";
break;
case 3:
$query.=" room_type=3";
break;
}
}//面积if($area!=""){
$query.=" and area ={$area}";
}//地址if($addr!=""){
$query.=" and addr like '%{$addr}%'"; //地址
}//执行查询$result=mysql_query($query);
//遍历结果echo "搜搜结果如下：";
while($row=mysql_fetch_array($result)){
echo "地址：".$row['addr'];
echo "";
echo "面积：".$row['area'];
echo "";
echo "居室：".$row['type'];
echo "";
echo "价格：".$row['addr'];
echo "";
//等等
}?> |