存档：
post.php
1 <form method="post" action="viewthread.php" target="_blank"> 2 <h2 align="center">发表文章实例开发</h2> 3 <div style="width:200;float:left"> 4 <h5>选项</h5> 5 <ul style="list-style:none;margin:0px;padding:0px"> 6 <li><input type="checkbox" name="parse[]" value="1">删除HTML标签</li> 7 <li><input type="checkbox" name="parse[]" value="2">转换HTML标签为实体</li> 8 <li><input type="checkbox" name="parse[]" value="3">使用UBB代码</li> 9 <li><input type="checkbox" name="parse[]" value="4">开启URL识别</li> 10 <li title="可用的表情: 11 【:),/wx,微笑】【:@,/fn,发怒】 12 【:kiss,/kill,/sa,示爱】 13 【:p,/tx,偷笑】【:q,/dk,大哭】"> 14 <input type="checkbox" name="parse[]" value="5">使用表情</li> 15 <li><input type="checkbox" name="parse[]" value="6">禁用非法关键字</li> 16 <li><input type="checkbox" name="parse[]" value="7">PHP代码设为高亮</li> 17 <li><input type="checkbox" name="parse[]" value="8">原样显示</li> 18 <li><input type="checkbox" name="parse[]" value="9">同步换行</li> 19 </ul> 20 </div> 21 <div style="width:300;float:left"> 22 <h5>标题<input type="text" name="subject" size=50></h5> 23 <h5>内容<textarea rows="7" cols="50" name="message"></textarea></h5> 24 <input type="submit" name="replysubmit" value="发表帖子"> 25 </div> 26 </form>
viewthread.php
1 <?php 2 require "article.class.php"; 3 $article = new Article($_POST["subject"],$_POST["message"],$_POST["parse"]); 4 echo $article->getSubject(); 5 echo "<hr>"; 6 echo $article->getMessage(); 7 ?>
article.class.php
1 <?php
2 class Article{
3 private $subject;
4 private $message;
5 function __construct($subject="",$message="",$parse=array()){
6 $this->subject = $this->html2Text($subject);
7 if(!empty($parse)){
8 foreach($parse as $value){
9 switch($value){
10 case 1:
11 $message = $this->delHtmlTags($message);
12 break;
13 case 2:
14 $message = $this->html2Text($message);
15 break;
16 case 3:
17 $message = $this->UBBCode2Html($message);
18 break;
19 case 4:
20 $message = $this->parseURL($message);
21 break;
22 case 5:
23 $message = $this->parseSmilies($message);
24 break;
25 case 6:
26 $message = $this->disableKeyWords($message);
27 break;
28 case 7:
29 $message = $this->prasePHPCode($message);
30 break;
31 case 8:
32 $message = $this->prasePer($message);
33 break;
34 case 9:
35 $message = $this->nltobr($message);
36 break;
37 }
38 }
39 }
40 $this->message = $message;
41 }
42
43 private function delHtmlTags($message){
44 return strip_tags($message);
45 }
46
47 private function html2Text($message){
48 return htmlspecialchars(stripslashes($message));
49 }
50
51 private function UBBCode2Html($message){
52 $pattern = array(
53 ‘/\[b\]/i‘,‘/\[\/b\]/i‘,‘/\[i\]/i‘,
54 ‘/\[\/i\]/i‘,‘/\[u\]/i‘,‘/\[\/u\]/i‘,
55 ‘/\[font=([^\[\<]+?)\]/i‘,
56 ‘/\[color=([#\w]+?)\]/i‘,
57 ‘/\[size=(\d+?)\]/i‘,
58 ‘/\[size=(\d+(\.\d+)?(px|pt|in|cm|mm|pc|em|ex|%)+?)\]/i‘,
59 ‘/\[align=(left|center|right)\]/i‘,
60 ‘/\[url=www.([^\["\‘]+?)\](.+?)\[\/url\]/is‘,
61 ‘/\[url=(https?|ftp|gopher|news|telnet){1}:\/\/([^\["\‘]+?)\](.+?)\[\/url]/is‘,
62 ‘/\[email\]\s*([a-z0-9\-_.+]+)@([a-z0-9\-_.]+)\s*\[\/email\]/i‘,
63 ‘/\[email=([a-z0-9\-_.+]+)@([a-z0-9\-_]+[.][a-z0-9\-_.]+)\](.+?)\[\/email\]/is‘,
64 ‘/\[img\](.+?)\[\/img\]/‘,
65 ‘/\[\/color\]/i‘,
66 ‘/\[\/size\]/i‘,
67 ‘/\[\/font\]/i‘,
68 ‘/\[\/align\]/‘
69 );
70
71 $replace = array(
72 ‘<b>‘,‘</b>‘,‘<i>‘,
73 ‘</i>‘,‘<u>‘,‘</u>‘,
74 ‘<font face="\\1">‘,
75 ‘<font color="\\1">‘,
76 ‘<font size="\\1">‘,
77 ‘<font style=\"font-size:\\1\">‘,
78 ‘<p align="\\1">‘,
79 ‘<a href="http://www.\\1" target="_blank">\\2</a>‘,
80 ‘<a href="\\1://\\2" target="_blank">\\3</a>‘,
81 ‘<a href="mailto:\\[email protected]\\2">\\[email protected]\\2</a>‘,
82 ‘<a href="mailto:\\[email protected]\\2">\\3</a>‘,
83 ‘<img src="\\1">‘,
84 ‘</font>‘,‘</font>‘,‘</font>‘,‘</p>‘
85 );
86 return preg_replace($pattern,$replace,$message);
87 }
88
89 private function cuturl($url){
90 $length = 65;
91 $url = substr(strtolower($url),0,4) == ‘www.‘?"http://$url":$url;
92 $urllink = "<a href=\"".$url.‘"target="_blank">‘;
93 if(strlen($url)>$length){
94 $url = substr($url,0,intval($length*0.5)).‘...‘.substr($url,-intval($length*0.3));
95 }
96 $urllink .=$url.‘</a>‘;
97 return $urllink;
98 }
99
100 private function parseURL($message){
101 $urlPattern = "/(www.|https?:\/\/|ftp:\/\/|news:\/\/|telnet:\/\/){1}([^\[\"‘]+?)(com|net|org)(\/[\w-\.\/?\%\&\=]*)?/ei";
102 return preg_replace($urlPattern,"\$this->cuturl(‘\\1\\2\\3\\4‘)",$message);
103 }
104
105 private function parseSmilies($message){
106 $pattern = array(
107 ‘/:\)|\/wx|微笑/i‘,
108 ‘/:@|\/fn|发怒/i‘,
109 ‘/:kiss|\/kill|\/sa|示爱/‘,
110 ‘/:p|\/tx|偷笑/i‘,
111 ‘/:q|\/dk|大哭/i‘
112 );
113 $replace = array(
114 ‘<img src="smilies/smile.png" alt="微笑">‘,
115 ‘<img src="smilies/huffy.png" alt="发怒">‘,
116 ‘<img src="smilies/kiss.png" alt="示爱">‘,
117 ‘<img src="smilies/titter.png" alt="偷笑">‘,
118 ‘<img src="smilies/cry.png" alt="大哭">‘
119 );
120 return preg_replace($pattern,$replace,$message);
121 }
122
123 private function disableKeyWords($message){
124 $keywords_disable = array("非法关键字一","非法关键字二","非法关键字三");
125 return str_replace($keywords_disable,"**",$message);
126 }
127
128 private function prasePHPCode($message){
129 $pattern = ‘/(<\?.*?\?>)/ise‘;
130 $replace = ‘"<pre style=\"background:#ddd\">".highlight_string("\\1",true)."</pre>"‘;
131 return preg_replace($pattern,$replace,$message);
132 }
133
134 private function prasePer($message){
135 return ‘<pre>‘.$message.‘</pre>‘;
136 }
137
138 private function nltobr($message){
139 return nl2br($message);
140 }
141
142 public function getSubject(){
143 return ‘<h1 align=center>‘.$this->subject.‘</h1>‘;
144 }
145
146 public function getMessage(){
147 return $this->message;
148 }
149 }
150 ?>
结果如下：
原文地址：https://www.cnblogs.com/ECJTUACM-873284962/p/8399025.html
时间： 2024-10-10 07:17:44