PHP是现今很多编程人员会经常使用到的，它有着非常大的作用，能为我们带来很大的便利。这次文章就给大家分享个实例，通过PHP读取、解析文件以及生成网页，这也是一个非常不错的应用，下面我们具体来看看实现代码。

php读取eml实例，本实例可以将导出eml文件解析成正文，并且可以将附件保存到服务器。不多说直接贴代码了。

1. <?php
2. // Author: richard e42083458@163.com
3. // gets parameters
4. error_reporting(E_ALL ^ (E_WARNING|E_NOTICE));
5. header("Content-type: text/html; charset=utf-8");
6. echo "<pre>";
7. define(EML_FILE_PATH,'./yjdata/');
8. //if ($filename == '') $filename = '21724696_niuyufu@qiaodazhao.com_ZC4422-r7GMz_R9QF3K6XUhmJOXd4c.eml';
9. //if ($filename == '') $filename = '21724696_niuyufu@qiaodazhao.com_ZC3218-dGquMgm7ytdF6HQgpSReC4c.eml';
10. //if ($filename == '') $filename = '163.eml';
11. //if ($filename == '') $filename = '166.eml';
12. //if ($filename == '') $filename = 'nyf.eml';
13. //if ($filename == '') $filename = 'email_header_icon.eml';
14. if ($filename == '') $filename = '20141230133705.eml';
15. $eml_file = EML_FILE_PATH.$filename;
16. if (!($content = fread(fopen(EML_FILE_PATH.$filename, 'rb'), filesize(EML_FILE_PATH.$filename))))
17. die('File not found ('.EML_FILE_PATH.$filename.')');
18. //标题内容
19. $pattern="/Subject: (.*?)\n/ims";
20. preg_match($pattern,$content,$subject_results);
21. $subject = getdecodevalue($subject_results[1]);
22. echo "标题：".$subject;
23. //发件人：
24. $pattern="/From: .*?<(.*?)>/ims";
25. preg_match($pattern,$content,$from_results);
26. $from = $from_results[1];
27. echo "\n\r";
28. echo "发件人：".$from;
29. //收件人：
30. $pattern="/To:(.*?):/ims";
31. preg_match($pattern,$content,$to_results);
32. $pattern="/<(.*?)>/ims";
33. preg_match_all($pattern,$to_results[1],$to_results2);
34. if(count($to_results2[1])>0){
35. $to = $to_results2[1];
36. }else{
37. $pattern="/To:(.*?)\n/ims";
38. preg_match($pattern,$content,$to_results);
39. $to = $to_results[1];
40. }
41. echo "\n\r";
42. echo "收件人：";
43. print_r($to);
44. echo "\n\r";
45. //正文内容
46. $pattern = "/Content-Type: multipart\/alternative;.*?boundary=\"(.*?)\"/ims";
47. preg_match($pattern,$content,$results);
48. if($results[1]!=""){
49. $seperator = "--".$results[1];
50. }else{
51. die("boundary匹配失败");
52. }
53. $spcontent = explode($seperator, $content);
54. $items = array();
55. $keyid = 0;
56. $email_front_content_array = array();
57. foreach($spcontent as $spkey=>$item) {
58. //匹配header编码等信息
59. $pattern = "/Content-Type: ([^;]*?);.*?charset=(.*?)\nContent-Transfer-Encoding: (.*?)\n/ims";
60. preg_match($pattern,$item,$item_results);
61. if(count($item_results)==4){
62. $Content_code = str_replace($item_results[0],"",$item);
63. $item_results[4] = $Content_code;
64. if(trim($item_results[3])=="base64"){
65. $item_results[5] = base64_decode($item_results[4]);
66. }
67. if(trim($item_results[3])=="quoted-printable"){
68. $item_results[5] = quoted_printable_decode($item_results[4]);
69. }
70. $item_results[5] = mb_convert_encoding($item_results[5], 'UTF-8', trim($item_results[2]));
71. //echo $item_results[5];exit;
72. $email_front_content_array[] = $item_results;
73. }
74. }
75. foreach ($email_front_content_array as $email_front_content_each_key=>$email_front_content_each_value){
76. if($email_front_content_each_value[1]=='text/html'){
77. $content_html = $email_front_content_each_value[5];
78. break;
79. }else{
80. $content_html = $email_front_content_each_value[5];
81. }
82. }
83. echo "内容：";
84. echo "\n\r";
85. echo $content_html;
86. echo "\n\r";
87. //附件内容
88. $pattern = "/Content-Type: multipart\/mixed;.*?boundary=\"(.*?)\"/ims";
89. preg_match($pattern,$content,$results);
90. if($results[1]!=""){
91. $seperator = "--".$results[1];
92. $spcontent = explode($seperator, $content);
93. $items = array();
94. $keyid = 0;
95. $email_attachment_content_array = array();
96. foreach($spcontent as $spkey=>$item) {
97. //匹配header编码等信息
98. $pattern = "/Content-Type: ([^;]*?);.*?name=(.*?)\nContent-Transfer-Encoding: (.*?)\nContent-Disposition: attachment;.*?filename=(.*?)\n/ims";
99. preg_match($pattern,$item,$item_results);
100. //print_r($item_results);
101. if(count($item_results)==5){
102. $Content_code = str_replace($item_results[0],"",$item);
103. $item_results[5] = trim($Content_code);
104. if(trim($item_results[3])=="base64"){
105. $item_results[6] = base64_decode($item_results[5]);
106. }
107. if(trim($item_results[3])=="quoted-printable"){
108. $item_results[6] = quoted_printable_decode($item_results[5]);
109. }
110. $item_results[7] = str_replace("\"","",getdecodevalue($item_results[2]));
111. $item_results[8] = str_replace("\"","",getdecodevalue($item_results[4]));
112. //保存附件内容到服务器？
113. //符合规范的文件名时：有后缀名时。
114. if(strrpos($item_results[8], '.')!==false){
115. $ext = substr($item_results[8], strrpos($item_results[8], '.') + 1);
116. //$filename = "./yjdata/attachment/".date("YmdHis").mt_rand(10000,99999).".".trim($ext);
117. $attachment_filename = "./yjdata/attachment/".trim(str_replace("\"","",getbase64code($item_results[4]))).".".trim($ext);
118. mkdirs(dirname($attachment_filename));
119. $fp = fopen($attachment_filename, "w+");
120. if (flock($fp, LOCK_EX)) { // 进行排它型锁定
121. fwrite($fp, $item_results[6]);
122. flock($fp, LOCK_UN); // 释放锁定
123. } else {
124. //echo "Couldn't lock the file !";
125. }
126. fclose($fp);
127. $item_results[9] = $attachment_filename;
128. $email_attachment_content_array[] = $item_results;
129. }
130. }
131. }
132. //print_r($email_attachment_content_array);
133. }
134. if(count($email_attachment_content_array)>0){
135. echo "附件：";
136. echo "\n\r";
137. //附件读取
138. foreach($email_attachment_content_array as $email_attachment_content_each_key=>$email_attachment_content_each_value){
139. unset($email_attachment_content_each_value[5]);
140. unset($email_attachment_content_each_value[6]);
141. print_r($email_attachment_content_each_value[8]);
142. print_r($email_attachment_content_each_value[9]);
143. }
144. }
145. function getbase64code($content){
146. $pattern="/=\?GB2312\?B\?(.*?)\?=|=\?GBK\?B\?(.*?)\?=|=\?UTF-8\?B\?(.*?)\?=/ims";
147. preg_match($pattern,$content,$subject_results);
148. if($subject_results[1]!=""){
149. $subject = $subject_results[1];
150. $charset = "GB2312";
151. }
152. elseif($subject_results[2]!=""){
153. $subject = $subject_results[2];
154. $charset = "GBK";
155. }
156. elseif($subject_results[3]!=""){
157. $subject = $subject_results[3];
158. $charset = "UTF-8";
159. }else{
160. $subject = $content;
161. $charset = "";
162. }
163. return $subject;
164. }
165. function getdecodevalue($content){
166. $pattern="/=\?GB2312\?B\?(.*?)\?=|=\?GBK\?B\?(.*?)\?=|=\?UTF-8\?B\?(.*?)\?=/ims";
167. preg_match($pattern,$content,$subject_results);
168. if($subject_results[1]!=""){
169. $subject = base64_decode($subject_results[1]);
170. $charset = "GB2312";
171. }
172. elseif($subject_results[2]!=""){
173. $subject = base64_decode($subject_results[2]);
174. $charset = "GBK";
175. }
176. elseif($subject_results[3]!=""){
177. $subject = base64_decode($subject_results[3]);
178. $charset = "UTF-8";
179. }else{
180. $subject = $content;
181. $charset = "";
182. }
183. if($charset!=""){
184. $subject = mb_convert_encoding($subject, 'UTF-8', $charset);
185. }
186. return $subject;
187. }
188. function mkdirs($dir)
189. {
190. if(!is_dir($dir))
191. {
192. if(!mkdirs(dirname($dir))){
193. return false;
194. }
195. if(!mkdir($dir,0777)){
196. return false;
197. } //phpfensi.com
198. }
199. chmod($dir, 777); //给目录操作权限
200. return true;
201. }
202. ?>