php 发送带附件邮件的类

3. /**
4. * 发送带附件的邮件
5. * by bbs.it-home.org
6. */
7. class CMailFile {
8. var $subject;
9. var $addr_to;
10. var $text_body;
11. var $text_encoded;
12. var $mime_headers;
13. var $mime_boundary = "--==================_846811060==_";
14. var $smtp_headers;
16. function CMailFile($subject,$to,$from,$msg,$filename,$downfilename,$mimetype = "application/octet-stream",$mime_filename = false) {
17. $this->subject = $subject;
18. $this->addr_to = $to;
19. $this->smtp_headers = $this->write_smtpheaders($from);
20. $this->text_body = $this->write_body($msg);
21. $this->text_encoded = $this->attach_file($filename,$downfilename,$mimetype,$mime_filename);
22. $this->mime_headers = $this->write_mimeheaders($filename, $mime_filename);
23. }
25. function attach_file($filename,$downfilename,$mimetype,$mime_filename) {
26. $encoded = $this->encode_file($filename);
27. if ($mime_filename) $filename = $mime_filename;
28. $out = "--" . $this->mime_boundary . "\n";
29. $out = $out . "Content-type: " . $mimetype . "; name=\"$filename\";\n";
30. $out = $out . "Content-Transfer-Encoding: base64\n";
31. $out = $out . "Content-disposition: attachment; filename=\"$downfilename\"\n\n";
32. $out = $out . $encoded . "\n";
33. $out = $out . "--" . $this->mime_boundary . "--" . "\n";
34. return $out;
35. }
37. function encode_file($sourcefile) {
38. if (is_readable($sourcefile)) {
39. $fd = fopen($sourcefile, "r");
40. $contents = fread($fd, filesize($sourcefile));
41. $encoded = chunk_split(base64_encode($contents));
42. fclose($fd);
43. }
44. return $encoded;
45. }
47. function sendfile() {
48. $headers = $this->smtp_headers . $this->mime_headers;
49. $message = $this->text_body . $this->text_encoded;
50. mail($this->addr_to,$this->subject,$message,$headers);
51. }
53. function write_body($msgtext) {
54. $out = "--" . $this->mime_boundary . "\n";
55. $out = $out . "Content-Type: text/plain; charset=\"us-ascii\"\n\n";
56. $out = $out . $msgtext . "\n";
57. return $out;
58. }
60. function write_mimeheaders($filename, $mime_filename) {
61. if ($mime_filename) $filename = $mime_filename;
62. $out = "MIME-version: 1.0\n";
63. $out = $out . "Content-type: multipart/mixed; ";
64. $out = $out . "boundary=\"$this->mime_boundary\"\n";
65. $out = $out . "Content-transfer-encoding: 7BIT\n";
66. $out = $out . "X-attachments: $filename;\n\n";
67. return $out;
68. }
70. function write_smtpheaders($addr_from) {
71. $out = "From: $addr_from\n";
72. $out = $out . "Reply-To: $addr_from\n";
73. $out = $out . "X-Mailer: PHP3\n";
74. $out = $out . "X-Sender: $addr_from\n";
75. return $out;
76. }
77. }
79. /*用法 - 例如:mimetype 为 "image/gif"
80. $mailfile = new CMailFile($subject,$sendto,$replyto,$message,$filename,$mimetype);
81. $mailfile->sendfile();
83. $subject -- 主题
84. $sendto -- 收信人地址
85. $replyto -- 回复地址
86. $message -- 信件内容
87. $filename -- 附件文件名
88. $downfilename -- 下載的文件名
89. $mimetype -- mime类型
90. */
91. ?>

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2，演示示例 demo.php

2. require_once('emailclass.php');
4. //发送邮件
6. //主題
7. $subject = "test send email";
9. //收件人
10. $sendto = '[e-mail]';
12. //發件人
13. $replyto = '[e-mail]';
15. //內容
16. $message = "test send email content";
18. //附件
19. $filename = 'test.jpg';
21. //附件类別
22. $mimetype = "image/jpeg";
24. $mailfile = new CMailFile($subject,$sendto,$replyto,$message,$filename,$excelname,$mimetype);
25. $mailfile->sendfile();
26. ?>

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