<!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>汽车表</h1>
<?php
include("../DBDA.php");
$db=new DBDA();
//查询时查询框里面显示用
$value1="";
$value2="";
//select语句条件用 条件必须是恒等的
$cx="";
$tj1=" 1=1";
$tj2=" 1=1";
if(!empty($_POST["name"]))
{
$tj1=" name like '%{$_POST['name']}%'";
$value1=$_POST["name"];
}
if(!empty($_POST["brand"]))
{
$tj2=" brand='{$_POST['brand']}'";
$value2=$_POST["brand"];
}
$cx=" where {$tj1} and {$tj2}";
?>
<form action="dtjchaxun.php" method="post">
<div>
请输入名称：<input type="text" name="name" value="<?php echo $value1 ?>"/>
请输入系列：<input type="text" name="brand" value="<?php echo $value2 ?>"/>
<input type="submit" value="查询" />
</div>
</form>
<table border="1" width="100%" cellpadding="0" cellspacing="0">
<tr>
<td>代号</td>
<td>名称</td>
<td>系列</td>
<td>时间</td>
<td>油耗</td>
<td>价格</td>
</tr>
<?php
$sql="select * from car".$cx;
$zhi=$db->Query($sql);
foreach($zhi as $v)
{
$daiti1="<mark>{$value1}</mark>";
$daiti2="<mark>{$value2}</mark>";
$th1=str_replace($value1,$daiti1,$v[1]);
$th2=str_replace($value2,$daiti2,$v[2]);
echo"<tr>
<td>{$v[0]}</td>
<td>{$th1}</td>
<td>{$th2}</td>
<td>{$v[3]}</td>
<td>{$v[4]}</td>
<td>{$v[7]}</td>
</tr>";
}
?>
</table>
</body>
</html>
页面不查询的时候显示
查询时页面显示
