php多条件查询

Posted 2020-09-16 <一>

tags:

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需要查询的表格

代码：

<!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
require "Wang.class.php"; //调用类
$db= new Wang();
$keyword=""; 
	 
$tj1 = " 1=1 ";
$tj2 = " 1=1 ";
$tj3 = " 1=1 ";
$tj4 = " 1=1 ";
 if(!empty($_POST["area"]))
	{
		$area=$_POST["area"];
		$str1 = implode("\',\'",$area);

		$tj1 = " area in (\'{$str1}\') ";
	}
	
 if(!empty($_POST["renttype"]))
	{
		$renttype =$_POST["renttype"];
		$str2 = implode("\',\'",$renttype);

		$tj2 = " renttype in (\'{$str2}\') ";
	}
	
 if(!empty($_POST["housetype"]))
	{
		$housetype =$_POST["housetype"];
		$str3 = implode("\',\'",$housetype);

		$tj3 = " housetype in (\'{$str3}\') ";
	}
	
	
if(!empty($_POST["keyword"]))
	{
		$keyword=$_POST["keyword"];

		$tj4 = " keyword like \'%{$keyword}%\' ";
	}
		
?>

	<form action="Fchaxun.php" method="post">
  
	<div>	
    区    域:<input  type="checkbox"  onclick="quanxuan(this,\'qy\')"/>全选
	</div>
    <div>
	<?php
		$sql = "select distinct area from house";
		$arr = $db->query($sql);
		foreach($arr as $v)
		{
	 	echo "<td><input type=\'checkbox\' name=\'area[]\' value=\'{$v[0]}\' class=\'qy\'/>{$v[0]}	</td>";	
		}
	?>
 	</div>
   <br />

   <div>
	
		租赁类型: <input  type="checkbox" onclick="quanxuan(this,\'zp\')"/>全选
	
    </div>
    <div>
    	<?php
        $sqlr = "select distinct renttype from house";
		$arr1 = $db->query($sqlr);
		foreach($arr1 as $r)
		{
	 		echo "<td><input type=\'checkbox\' name=\'renttype[]\' value=\'{$r[0]}\' class=\'zp\'/>{$r[0]}</td>";	
		}
		?>
    </div>
    <br />
	<div>
 
		房屋类型:<input  type="checkbox"  onclick="quanxuan(this,\'fw\')"/>全选
	
    </div>
    <div>
    	<?php
        $sqlh = "select distinct housetype from house";
		$arr2 = $db->query($sqlh);
		foreach($arr2 as $h)
		{
	 		echo "<td><input type=\'checkbox\' name=\'housetype[]\' value=\'{$h[0]}\' class=\'fw\'/>{$h[0]}</td>";	
		}
		
		?>
      </div>
    <br />
		<div>
    	关 键 字：
    	<input type="text" name="keyword" value="<?php echo $keyword ?>"/>
		</div>
    <div><input  type="submit" value="搜索"/></div>
    </form>
    
    </br>
    
    <table border="1">
    	<tr>
    	<!--<td>标识</td>-->
        <td>关键字</td>
        <td>区域</td>
        <td>面积</td>
        <td>租金（每月）</td>
    	<td>租赁类型</td>
        <td>房屋类型</td>
    </tr>
	<?php
		$tj =" {$tj1} and {$tj2} and {$tj3} and {$tj4} ";
		
        $sqly = "select * from house where ".$tj;
		$arry = $db->query($sqly,1); 
		foreach($arry as $y)
		{
			$str = str_replace($keyword,"<span style=\'color:red\'>{$keyword}</span>",$y[1]);
	 		echo "<tr>
			
					<td>{$str}</td>
					<td>{$y[2]}</td>
					<td>{$y[3]}</td>
					<td>{$y[4]}</td>
					<td>{$y[5]}</td>
					<td>{$y[6]}</td>
					
				 </tr>";	
		}
		?>

</table>


</body>
</html>
<script type="text/javascript">
function quanxuan(a,qy)
{
	var ck = document.getElementsByClassName(qy);
	if(a.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>

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