php发送带附件邮件的类

2. /**
3. * 发送带附件的邮件
4. * by bbs.it-home.org
5. */
6. class CMailFile {
7. var $subject;
8. var $addr_to;
9. var $text_body;
10. var $text_encoded;
11. var $mime_headers;
12. var $mime_boundary = "--==================_846811060==_";
13. var $smtp_headers;
15. function CMailFile($subject,$to,$from,$msg,$filename,$downfilename,$mimetype = "application/octet-stream",$mime_filename = false) {
16. $this->subject = $subject;
17. $this->addr_to = $to;
18. $this->smtp_headers = $this->write_smtpheaders($from);
19. $this->text_body = $this->write_body($msg);
20. $this->text_encoded = $this->attach_file($filename,$downfilename,$mimetype,$mime_filename);
21. $this->mime_headers = $this->write_mimeheaders($filename, $mime_filename);
22. }
24. function attach_file($filename,$downfilename,$mimetype,$mime_filename) {
25. $encoded = $this->encode_file($filename);
26. if ($mime_filename) $filename = $mime_filename;
27. $out = "--" . $this->mime_boundary . "\n";
28. $out = $out . "Content-type: " . $mimetype . "; name=\"$filename\";\n";
29. $out = $out . "Content-Transfer-Encoding: base64\n";
30. $out = $out . "Content-disposition: attachment; filename=\"$downfilename\"\n\n";
31. $out = $out . $encoded . "\n";
32. $out = $out . "--" . $this->mime_boundary . "--" . "\n";
33. return $out;
34. }
36. function encode_file($sourcefile) {
37. if (is_readable($sourcefile)) {
38. $fd = fopen($sourcefile, "r");
39. $contents = fread($fd, filesize($sourcefile));
40. $encoded = chunk_split(base64_encode($contents));
41. fclose($fd);
42. }
43. return $encoded;
44. }
46. function sendfile() {
47. $headers = $this->smtp_headers . $this->mime_headers;
48. $message = $this->text_body . $this->text_encoded;
49. mail($this->addr_to,$this->subject,$message,$headers);
50. }
52. function write_body($msgtext) {
53. $out = "--" . $this->mime_boundary . "\n";
54. $out = $out . "Content-Type: text/plain; charset=\"us-ascii\"\n\n";
55. $out = $out . $msgtext . "\n";
56. return $out;
57. }
59. function write_mimeheaders($filename, $mime_filename) {
60. if ($mime_filename) $filename = $mime_filename;
61. $out = "MIME-version: 1.0\n";
62. $out = $out . "Content-type: multipart/mixed; ";
63. $out = $out . "boundary=\"$this->mime_boundary\"\n";
64. $out = $out . "Content-transfer-encoding: 7BIT\n";
65. $out = $out . "X-attachments: $filename;\n\n";
66. return $out;
67. }
69. function write_smtpheaders($addr_from) {
70. $out = "From: $addr_from\n";
71. $out = $out . "Reply-To: $addr_from\n";
72. $out = $out . "X-Mailer: PHP3\n";
73. $out = $out . "X-Sender: $addr_from\n";
74. return $out;
75. }
76. }
78. /*用法 - 例如:mimetype 为 "image/gif"
79. $mailfile = new CMailFile($subject,$sendto,$replyto,$message,$filename,$mimetype);
80. $mailfile->sendfile();
82. $subject -- 主题
83. $sendto -- 收信人地址
84. $replyto -- 回复地址
85. $message -- 信件内容
86. $filename -- 附件文件名
87. $downfilename -- 下載的文件名
88. $mimetype -- mime类型
89. */
90. ?>

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 = 'abc@163.com';
12. //發件人
13. $replyto = 'cdf@163.com';
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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