PHP CURL封装类代码一例

2. /**
3. * CURL封装类
4. * by bbs.it-home.org
5. */
6. class Curl_Class
7. {
8. function Curl_Class()
9. {
10. return true;
11. }
13. function execute($method, $url, $fields = '', $userAgent = '', $httpHeaders = '', $username = '', $password = '')
14. {
15. $ch = Curl_Class::create();
16. if (false === $ch)
17. {
18. return false;
19. }
21. if (is_string($url) && strlen($url))
22. {
23. $ret = curl_setopt($ch, CURLOPT_URL, $url);
24. }
25. else
26. {
27. return false;
28. }
29. //是否显示头部信息
30. curl_setopt($ch, CURLOPT_HEADER, false);
31. //
32. curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
34. if ($username != '')
35. {
36. curl_setopt($ch, CURLOPT_USERPWD, $username . ':' . $password);
37. }
39. $method = strtolower($method);
40. if ('post' == $method)
41. {
42. curl_setopt($ch, CURLOPT_POST, true);
43. if (is_array($fields))
44. {
45. $sets = array();
46. foreach ($fields AS $key => $val)
47. {
48. $sets[] = $key . '=' . urlencode($val);
49. }
50. $fields = implode('&',$sets);
51. }
52. curl_setopt($ch, CURLOPT_POSTFIELDS, $fields);
53. }
54. else if ('put' == $method)
55. {
56. curl_setopt($ch, CURLOPT_PUT, true);
57. }
59. //curl_setopt($ch, CURLOPT_PROGRESS, true);
60. //curl_setopt($ch, CURLOPT_VERBOSE, true);
61. //curl_setopt($ch, CURLOPT_MUTE, false);
62. curl_setopt($ch, CURLOPT_TIMEOUT, 3);//设置curl超时秒数，例如将信息POST出去3秒钟后自动结束运行。
64. if (strlen($userAgent))
65. {
66. curl_setopt($ch, CURLOPT_USERAGENT, $userAgent);
67. }
69. if (is_array($httpHeaders))
70. { // bbs.it-home.org
71. curl_setopt($ch, CURLOPT_HTTPHEADER, $httpHeaders);
72. }
74. $ret = curl_exec($ch);
76. if (curl_errno($ch))
77. {
78. curl_close($ch);
79. return array(curl_error($ch), curl_errno($ch));
80. }
81. else
82. {
83. curl_close($ch);
84. if (!is_string($ret) || !strlen($ret))
85. {
86. return false;
87. }
88. return $ret;
89. }
90. }
92. function post($url, $fields, $userAgent = '', $httpHeaders = '', $username = '', $password = '')
93. {
94. $ret = Curl_Class::execute('POST', $url, $fields, $userAgent, $httpHeaders, $username, $password);
95. if (false === $ret)
96. {
97. return false;
98. }
100. if (is_array($ret))
101. {
102. return false;
103. }
104. return $ret;
105. }
107. function get($url, $userAgent = '', $httpHeaders = '', $username = '', $password = '')
108. {
109. $ret = Curl_Class::execute('GET', $url, '', $userAgent, $httpHeaders, $username, $password);
110. if (false === $ret)
111. {
112. return false;
113. }
115. if (is_array($ret))
116. {
117. return false;
118. }
119. return $ret;
120. }
122. function create()
123. {
124. $ch = null;
125. if (!function_exists('curl_init'))
126. {
127. return false;
128. }
129. $ch = curl_init();
130. if (!is_resource($ch))
131. {
132. return false;
133. }
134. return $ch;
135. }
136. }

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