emailclass.php
[php] view plaincopyprint?
01.<?
02.class CMailFile {
03.
04. var $subject;
05. var $addr_to;
06. var $text_body;
07. var $text_encoded;
08. var $mime_headers;
09. var $mime_boundary = "--==================_846811060==_";
10. var $smtp_headers;
11.
12. function CMailFile($subject,$to,$from,$msg,$filename,$downfilename,$mimetype = "application/octet-stream",$mime_filename = false) {
13. $this->subject = $subject;
14. $this->addr_to = $to;
15. $this->smtp_headers = $this->write_smtpheaders($from);
16. $this->text_body = $this->write_body($msg);
17. $this->text_encoded = $this->attach_file($filename,$downfilename,$mimetype,$mime_filename);
18. $this->mime_headers = $this->write_mimeheaders($filename, $mime_filename);
19. }
20.
21. function attach_file($filename,$downfilename,$mimetype,$mime_filename) {
22. $encoded = $this->encode_file($filename);
23. if ($mime_filename) $filename = $mime_filename;
24. $out = "--" . $this->mime_boundary . "\n";
25. $out = $out . "Content-type: " . $mimetype . "; name=\"$filename\";\n";
26. $out = $out . "Content-Transfer-Encoding: base64\n";
27. $out = $out . "Content-disposition: attachment; filename=\"$downfilename\"\n\n";
28. $out = $out . $encoded . "\n";
29. $out = $out . "--" . $this->mime_boundary . "--" . "\n";
30. return $out;
31. }
32.
33. function encode_file($sourcefile) {
34. if (is_readable($sourcefile)) {
35. $fd = fopen($sourcefile, "r");
36. $contents = fread($fd, filesize($sourcefile));
37. $encoded = chunk_split(base64_encode($contents));
38. fclose($fd);
39. }
40. return $encoded;
41. }
42.
43. function sendfile() {
44. $headers = $this->smtp_headers . $this->mime_headers;
45. $message = $this->text_body . $this->text_encoded;
46. mail($this->addr_to,$this->subject,$message,$headers);
47. }
48.
49. function write_body($msgtext) {
50. $out = "--" . $this->mime_boundary . "\n";
51. $out = $out . "Content-Type: text/plain; charset=\"us-ascii\"\n\n";
52. $out = $out . $msgtext . "\n";
53. return $out;
54. }
55.
56. function write_mimeheaders($filename, $mime_filename) {
57. if ($mime_filename) $filename = $mime_filename;
58. $out = "MIME-version: 1.0\n";
59. $out = $out . "Content-type: multipart/mixed; ";
60. $out = $out . "boundary=\"$this->mime_boundary\"\n";
61. $out = $out . "Content-transfer-encoding: 7BIT\n";
62. $out = $out . "X-attachments: $filename;\n\n";
63. return $out;
64. }
65.
66. function write_smtpheaders($addr_from) {
67. $out = "From: $addr_from\n";
68. $out = $out . "Reply-To: $addr_from\n";
69. $out = $out . "X-Mailer: PHP3\n";
70. $out = $out . "X-Sender: $addr_from\n";
71. return $out;
72. }
73.}
74.
75./*用法 - 例如:mimetype 為 "image/gif"
76. $mailfile = new CMailFile($subject,$sendto,$replyto,$message,$filename,$mimetype);
77. $mailfile->sendfile();
78.
79. $subject -- 主題
80. $sendto -- 收信人地址
81. $replyto -- 回復地址
82. $message -- 信件內容
83. $filename -- 附件文件名
84. $downfilename -- 下載的文件名
85. $mimetype -- mime類型
86.*/
87.?>
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