1.引用封装类
<!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>
<table width="100%" border="1" cellpadding="0" cellspacing="0">
<tr>
<td>地区代号</td>
<td>地区名称</td>
<td>地区父级代号</td>
</tr>
<?php
//加载类
include("DBDA.php");
include("page.class.php");
//造对象
$db = new DBDA();
$sqlcount = "select count(*) from ChinaStates";
$atrrc = $db->Query($sqlcount);
$total = $atrrc[0][0];
//造分页对象
$page = new page($total,15,"");
$page->set(‘head‘,‘条数据‘);
$page->set(‘prev‘,"<img src=‘0063.png‘ width=‘15‘ height=‘15‘ />");
$page->set(‘frist‘,‘第一页‘);
//显示
$sql = "select * from ChinaStates ".$page->limit;
echo $sql;
$attr = $db->Query($sql);
for($i=0;$i<count($attr);$i++)
{
echo "<tr><td>{$attr[$i][0]}</td><td>{$attr[$i][1]}</td><td>{$attr[$i][2]}</td></tr>";
}
?>
</table>
<?php
echo $page->fpage();
?>
</body>
</html>
2.查询
<!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>
<div>
<form action="Test.php" method="post">
<div>
名称：
<input type="text" name="name" />
价格：
<input type="text" name="price" />
<input type="submit" value="查询" />
</div>
</form>
</div>
<br />
<table width="100%" border="1" cellpadding="0" cellspacing="0">
<tr>
<td>代号</td>
<td>名称</td>
<td>价格</td>
</tr>
<?php
include("DBDA.php");
$db = new DBDA();
/*$str = "";
if(!empty($_POST["name"]))
{
$name = $_POST["name"];
$price = $_POST["price"];
$str ="";
$str = "where";
$tj1 = "";
if($name !="")
{
$tj1 = " Name like ‘%{$name}%‘";
}
else
{
$tj1 =" 1=1";
}
if($price !="")
{
$tj2 = "price =‘{$price}‘";
}
else
{
$tj2 ="1=1";
}
$str = "where".$tj1." and ".$tj2;
}*/
@$name = $_POST["name"];
@$price = $_POST["price"];
$str ="";
//查询
$tj1 = " 1=1";
$tj2 = " 1=1";
if($name !="")
{
$tj1 = " Name like ‘%{$name}%‘";
}
if($price !="")
{
$tj2 = "price ={$price}";
}
$str = " where".$tj1." and ".$tj2;
//写SQL语句
$sql = "select Code,Name,Price from Car".$str;
echo $sql;
//调用里面的query方法执行SQL语句
$attr = $db->Query($sql);
for($i=0;$i<count($attr);$i++)
{
//关键字变色处理
$mc = str_replace($name,"<mark><span style= ‘color:red‘>{$name}</span></mark>>",$attr[$i][1]);
//$attr[$i][0];
echo "<tr><td>{$attr[$i][0]}</td><td>{$mc}</td><td>{$attr[$i][2]}</td></tr>";
}
?>
</table>
</body>
</html>
查询关键字变色处理
时间： 2024-10-08 14:01:09