PHP開發簡單圖書借閱系統之創建公共網頁
在我們這個借閱系統中頭部的HTML是固定不變的
#不會隨著頁面的跳躍而改變。
為了不重複的編寫頭部程式碼,我們需要製作一個head.php檔案
寫入頭部HTML程式碼,以方便在各個檔案中呼叫。
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<table width="" border="0" align="center" cellpadding="0" cellspacing="1" bgcolor="#CCCCCC" >
<tr>
<td bgcolor="#FFFFFF"><img src="https://img.php.cn/upload/course/000/000/008/58215f071f35b180.jpg" width="440" height="200" /></td>
</tr>
<tr>
<td bgcolor="#FFFFFF"><table width="440" height="50" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td align="center" background="https://img.php.cn/upload/course/000/000/008/58215f29827c0755.jpg">
<a href="index.php" title="首页">首页</a></td>
<td align="center" background="https://img.php.cn/upload/course/000/000/008/58215f29827c0755.jpg">
<a href="index.php?proid=<?php echo urlencode('网页美工');?>" title="网页美工">网页美工</a></td>
<td align="center" background="https://img.php.cn/upload/course/000/000/008/58215f29827c0755.jpg">
<a href="index.php?proid=<?php echo urlencode('大数据');?>" title="大数据">大数据</a></td>
<td align="center" background="https://img.php.cn/upload/course/000/000/008/58215f29827c0755.jpg">
<a href="index.php?proid=<?php echo urlencode('asp编程');?>" title="asp编程">asp编程</a></td>
<td align="center" background="https://img.php.cn/upload/course/000/000/008/58215f29827c0755.jpg">
<a href="index.php?proid=<?php echo urlencode('php编程');?>" title="php编程">php编程</a></td>
<td align="center" background="https://img.php.cn/upload/course/000/000/008/58215f29827c0755.jpg">
<a href="index.php?proid=<?php echo urlencode('软件开发');?>" title="软件开发">软件开发</a></td>
<td align="center" background="https://img.php.cn/upload/course/000/000/008/58215f29827c0755.jpg">
<a href="landing.php" title="用户登陆">用户登陆</a>
</td>
</tr>
</table></td>
</tr>
</table>這裡把使用者的登出登入功能也加入其中:
<td align="center" background = "https://img.php.cn/upload/course/000/000/008/58215f29827c0755.jpg">
<a href="landing.php" title="用户登陆">用户登陆</a>
<?php
if ($_SESSION['id']){
echo "<a href='landing.php?tj=out' title='退出'>退出</a>";
}
?>
</td>在登入功能頁面進行判斷
<?php
//初始化session
if(isset($_GET['tj']) == 'out'){
session_destroy();
echo "<script language=javascript>alert('退出成功!');window.location='landing.php'</script>";
}
?>
新建檔案
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<table width="" border="0" align="center" cellpadding="0" cellspacing="1" bgcolor="#CCCCCC" >
<tr>
<td bgcolor="#FFFFFF"><img src="http://img.php.cn/upload/course/000/000/008/58215f071f35b180.jpg" width="440" height="200" /></td>
</tr>
<tr>
<td bgcolor="#FFFFFF"><table width="440" height="50" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td align="center" background="http://img.php.cn/upload/course/000/000/008/58215f29827c0755.jpg">
<a href="index.php" title="首页">首页</a></td>
<td align="center" background="http://img.php.cn/upload/course/000/000/008/58215f29827c0755.jpg">
<a href="index.php?proid=<?php echo urlencode('网页美工');?>" title="网页美工">网页美工</a></td>
<td align="center" background="http://img.php.cn/upload/course/000/000/008/58215f29827c0755.jpg">
<a href="index.php?proid=<?php echo urlencode('大数据');?>" title="大数据">大数据</a></td>
<td align="center" background="http://img.php.cn/upload/course/000/000/008/58215f29827c0755.jpg">
<a href="index.php?proid=<?php echo urlencode('asp编程');?>" title="asp编程">asp编程</a></td>
<td align="center" background="http://img.php.cn/upload/course/000/000/008/58215f29827c0755.jpg">
<a href="index.php?proid=<?php echo urlencode('php编程');?>" title="php编程">php编程</a></td>
<td align="center" background="http://img.php.cn/upload/course/000/000/008/58215f29827c0755.jpg">
<a href="index.php?proid=<?php echo urlencode('软件开发');?>" title="软件开发">软件开发</a></td>
<td align="center" background="http://img.php.cn/upload/course/000/000/008/58215f29827c0755.jpg">
<a href="landing.php" title="用户登陆">用户登陆</a>
</td>
</tr>
</table></td>
</tr>
</table>
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