php blog website development example tutorial
This chapter introduces a simple text-based BLOG system. Of course, we can use the development of this blog system to have a good understanding of the principles of PHP website development. In fact, website development is easier than blogging. Let’s take a look at the functional modules.
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This chapter introduces a simple text-based blog system, of course we can use this After developing a blog system, I have a good understanding of the principles of PHP website development. In fact, website development is easier than opening a blog. Let’s take a look at the functional modules.
post.php PHP program that reads files and displays log content.
page.html Displays the html document of the log article.
style.css tutorial css code for page display effect.
add.php PHP program to add blog articles.
config/auth.php username and password configuration file.
index.php Blog home page program.
edit.php A program for editing blog articles.
delete.php Program to delete blog posts.
archives.php Archives program for displaying blog posts.
logout.php Logout program.
*/
//post.php PHP program that reads files and displays log content.
<?php
if(!isset($_get['entry']))
{
echo '请求参数错误';
exit;
}
$post_data = array();
$path = substr($_get['entry'],0,6); //日志存储目录
$entry = substr($_get['entry'],7,9); //日志文件名称
$file_name = 'contents/'.$path.'/'.$entry.'.txt';
if(file_exists($file_name))
{
$fp = @($file_name, 'r');
if($fp)
{
flock($fp, lock_sh);
$result = fread($fp, filesize($file_name)*100);
}
flock($fp, lock_un);
fclose($fp);
}
$content_array = explode('|', $result);
$post_data['subject'] = $content_array[0];
$post_data['date'] = date('y-m-d h:i:s',$content_array[1]);
$post_data['content'] = $content_array[2];
//print_r($post_data);
?>
<!doctype html public "-//w3c//dtd xhtml 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd">
<html>
<head>
<title>基于文本的简易blog</title>
<link rel="stylesheet" type="text/css" href="style.css" />
</head>
<body>
<div id="container">
<div id="header">
<h1 id="我的blog">我的blog</h1>
</div>
<div id="title">
----i have dream....
</div>
<div id="left">
<div id="blog_entry">
<div id="blog_title"><? echo $post_data['subject'];?></div>
<div id="blog_body">
<div id="blog_date"><? echo $post_data['date'];?></div>
<? echo $post_data['content'];?>
</div><!--blog_body-->
</div><!--blog_entry-->
</div>
<div id="right">
<div id="sidebar">
<div id="menu_title">关于我</div>
<div id="menu_body">www.111cn.net</div>
</div>
</div>
<div id="footer">
copyright 2007
</div>
</div>
<body>
</html>
//page.html Displays the html document of the log article.
The code is as follows
<!doctype html public "-//w3c//dtd xhtml 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd">
<html>
<head>
<title>blog</title>
<link rel="stylesheet" type="text/css" href="style.css" />
</head>
<body>
<div id="container">
<div id="header">
<h1 id="我的blog">我的blog</h1>
</div>
<div id="title">
----i have a dream....
</div>
<div id="left">
<div id="blog_entry">
<div id="blog_title">日志文章标题</div>
<div id="blog_body">
<div id="blog_date">2007-12-01</div>
日志文章内容
</div>
</div>
</div>
<div id="right">
<div id="sidebar">
<div id="menu_title">关于我</div>
<div id="menu_body">www.php.cn</div>
</div>
</div>
<div id="footer">
copyright 2007
</div>
</div>
<body>
</html>
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php怎么除以100保留两位小数Apr 22, 2022 pm 06:23 PMphp除以100保留两位小数的方法：1、利用“/”运算符进行除法运算，语法“数值 / 100”；2、使用“number_format(除法结果, 2)”或“sprintf("%.2f",除法结果)”语句进行四舍五入的处理值，并保留两位小数。
php字符串有没有下标Apr 24, 2022 am 11:49 AMphp字符串有下标。在PHP中，下标不仅可以应用于数组和对象，还可应用于字符串，利用字符串的下标和中括号“[]”可以访问指定索引位置的字符，并对该字符进行读写，语法“字符串名[下标值]”；字符串的下标值（索引值）只能是整数类型，起始值为0。
php怎么根据年月日判断是一年的第几天Apr 22, 2022 pm 05:02 PM判断方法：1、使用“strtotime("年-月-日")”语句将给定的年月日转换为时间戳格式；2、用“date("z",时间戳)+1”语句计算指定时间戳是一年的第几天。date()返回的天数是从0开始计算的，因此真实天数需要在此基础上加1。
php怎么读取字符串后几个字符Apr 22, 2022 pm 08:31 PM在php中，可以使用substr()函数来读取字符串后几个字符，只需要将该函数的第二个参数设置为负值，第三个参数省略即可；语法为“substr(字符串,-n)”，表示读取从字符串结尾处向前数第n个字符开始，直到字符串结尾的全部字符。
php怎么替换nbsp空格符Apr 24, 2022 pm 02:55 PM方法：1、用“str_replace(" ","其他字符",$str)”语句，可将nbsp符替换为其他字符；2、用“preg_replace("/(\s|\ \;||\xc2\xa0)/","其他字符",$str)”语句。
php怎么判断有没有小数点Apr 20, 2022 pm 08:12 PMphp判断有没有小数点的方法：1、使用“strpos(数字字符串,'.')”语法，如果返回小数点在字符串中第一次出现的位置，则有小数点；2、使用“strrpos(数字字符串,'.')”语句，如果返回小数点在字符串中最后一次出现的位置，则有。
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mPDF
mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),
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