[小技巧] 【使用Curl组件GET/POST数据】

原帖地址 http://phpcup.cn/thread-114-1-2.html

1. //CurlGet数据
2. function_curl_get($url){
3. $ch=curl_init();
4. curl_setopt($ch,CURLOPT_URL,$url);
5. curl_setopt($ch,CURLOPT_HEADER,0);
6. curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
7. $data=curl_exec($ch);
8. curl_close($ch);
9. if($data)
10. return$data;
11. else
12. returnfalse;
13. }
15. //CurlPost数据
16. function_curl_post($url,$vars){
17. $ch=curl_init();
18. curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
19. curl_setopt($ch,CURLOPT_URL,$url);
20. curl_setopt($ch,CURLOPT_POST,1);
21. curl_setopt($ch,CURLOPT_POSTFIELDS,$vars);
22. $data=curl_exec($ch);
23. curl_close($ch);
24. if($data)
25. return$data;
26. else
27. returnfalse;
28. }

通用函数

1. /**
2. *使用GET方法发送HTTP请求
3. *
4. *@paramstring$url需要请求的URL，完整URL，例如：http://www.example.com:8080/test.php?parm1=var1&parm2=var2
5. *@paramarray/string$cookies如果有COOKIE数据可以发送过去，可以是Cookie数组，也可以是Cookie字符串
6. *@returnmixed成功返回GET回来的数据，失败返回false
7. */
8. functionhttp_get($url,$cookies=array()){
9. /**
10. *使用cURL处理GET请求
11. */
12. if(function_exists('curl_init')){
13. //组织COOKIE数据
14. $header=array();
15. if(!emptyempty($cookies)){
16. if(is_array($cookies)){
17. $encoded='';
18. while(list($k,$v)=each($cookies)){
19. $encoded.=($encoded?";":"");
20. $encoded.=rawurlencode($k)."=".rawurlencode($v);
21. }
22. $header=array("Cookie:".$encoded);
23. }elseif(is_string($cookies)){
24. if(strtolower(substr($cookies,0,7))=='cookie:'){
25. $header=array($cookies);
26. }else{
27. $header=array("Cookie:".$cookies);
28. }
29. }
30. }
32. //处理请求
33. $ch=curl_init();
34. curl_setopt($ch,CURLOPT_URL,$url);
35. curl_setopt($ch,CURLOPT_HTTPHEADER,$header);
36. curl_setopt($ch,CURLOPT_HEADER,0);
37. curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
38. $data=curl_exec($ch);
39. curl_close($ch);
40. if($data)
41. return$data;
42. else
43. returnfalse;
44. }
46. /**
47. *使用fsockopen处理GET请求
48. */
49. else{
50. //组织COOKIE数据
51. $cookie='';
52. if(!emptyempty($cookies)){
53. if(is_array($cookies)){
54. $encoded='';
55. while(list($k,$v)=each($cookies)){
56. $encoded.=($encoded?";":"");
57. $encoded.=rawurlencode($k)."=".rawurlencode($v);
58. }
59. $cookie=$encoded;
60. }elseif(is_string($cookies)){
61. if(strtolower(substr($cookies,0,7))=='cookie:'){
62. $cookie=substr($cookies,7);
63. }else{
64. $cookie=$cookies;
65. }
66. }
67. }
69. //处理请求
70. $url=parse_url($url);
71. if(strtolower($url['scheme'])!='http'&&$url['scheme']!=''){
72. returnfalse;
73. }
74. if(!($fp=fsockopen($url['host'],$url['port']?$url['port']:80,$errno,$errstr,10))){
75. returnfalse;
76. }
77. fputs($fp,sprintf("GET%s%s%sHTTP/1.0/n",$url['path'],$url['query']?"?":"",$url['query']));
78. fputs($fp,"Host:$url[host]/n");
79. fputs($fp,"User-Agent:HFHttp-Client/n");
80. if($cookie!=''){
81. fputs($fp,"Cookie:$cookie/n/n");
82. }
83. fputs($fp,"Connection:close/n/n");
84. fputs($fp,"$post/n");
85. $ret='';
86. while(!feof($fp)){
87. $c=fgets($fp,1024);
88. if(preg_match("/^HTTP/",$c)||preg_match("/^P3P/",$c)||preg_match("/^([A-Za-z/-]+)/:/s*(.*)$/",$c)){
89. continue;
90. }
91. if(trim($c)==""){
92. continue;
93. }
94. $ret.=$c;
95. }
96. fclose($fp);
98. return$ret;
99. }
100. }
103. /**
104. *使用POST方法发送HTTP请求
105. *
106. *@paramstring$url需要请求的URL，完整URL，例如：http://www.example.com:8080/test.php?parm1=var1&parm2=var2
107. *@paramarray$vars需要POST提交的变量数组
108. *@paramarray/string$cookies如果有COOKIE数据可以发送过去，可以是Cookie数组，也可以是Cookie字符串
109. *@returnmixed成功返回GET回来的数据，失败返回false
110. */
112. functionhttp_post($url,$vars=array(),$cookies=array()){
113. /**
114. *使用cURL处理POST请求
115. */
116. if(function_exists('curl_init')){
117. //组织COOKIE数据
118. $header=array();
119. if(!emptyempty($cookies)){
120. if(is_array($cookies)){
121. $encoded='';
122. while(list($k,$v)=each($cookies)){
123. $encoded.=($encoded?";":"");
124. $encoded.=rawurlencode($k)."=".rawurlencode($v);
125. }
126. $header=array("Cookie:".$encoded);
127. }elseif(is_string($cookies)){
128. if(strtolower(substr($cookies,0,7))=='cookie:'){
129. $header=array($cookies);
130. }else{
131. $header=array("Cookie:".$cookies);
132. }
133. }
134. }
136. //执行POST请求
137. $ch=curl_init();
138. curl_setopt($ch,CURLOPT_URL,$url);
139. curl_setopt($ch,CURLOPT_HTTPHEADER,$header);
140. curl_setopt($ch,CURLOPT_POST,1);
141. curl_setopt($ch,CURLOPT_POSTFIELDS,$vars);
142. curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
143. $data=curl_exec($ch);
144. curl_close($ch);
145. if($data)
146. return$data;
147. else
148. returnfalse;
149. }
151. /**
152. *使用fsockopen处理POST请求
153. */
154. else{
155. //组织COOKIE数据
156. $cookie='';
157. if(!emptyempty($cookies)){
158. if(is_array($cookies)){
159. $encoded='';
160. while(list($k,$v)=each($cookies)){
161. $encoded.=($encoded?";":"");
162. $encoded.=rawurlencode($k)."=".rawurlencode($v);
163. }
164. $cookie=$encoded;
165. }elseif(is_string($cookies)){
166. if(strtolower(substr($cookies,0,7))=='cookie:'){
167. $cookie=substr($cookies,7);
168. }else{
169. $cookie=$cookies;
170. }
171. }
172. }
174. //组织POST数据
175. $post='';
176. if(!emptyempty($vars)){
177. if(is_array($vars)){
178. $encoded='';
179. while(list($k,$v)=each($vars)){
180. $encoded.=($encoded?"&":"");
181. $encoded.=rawurlencode($k)."=".rawurlencode($v);
182. }
183. $post=$encoded;
184. }else{
185. $post=$vars;
186. }
187. }
190. //处理请求
191. $url=parse_url($url);
192. if(strtolower($url['scheme'])!='http'&&$url['scheme']!=''){
193. returnfalse;
194. }
195. if(!($fp=fsockopen($url['host'],$url['port']?$url['port']:80,$errno,$errstr,10))){
196. returnfalse;
197. }
198. fputs($fp,sprintf("POST%s%s%sHTTP/1.0/n",$url['path'],$url['query']?"?":"",$url['query']));
199. fputs($fp,"Host:$url[host]/n");
200. fputs($fp,"User-Agent:HFHttp-Client/n");
201. if($cookie!=''){
202. fputs($fp,"Cookie:$cookie/n/n");
203. }
204. fputs($fp,"Content-type:application/x-www-form-urlencoded/n");
205. fputs($fp,"Content-length:".strlen($post)."/n");
206. fputs($fp,"Connection:close/n/n");
207. fputs($fp,"$post/n");
208. $ret='';
209. while(!feof($fp)){
210. $c=fgets($fp,1024);
211. if(preg_match("/^HTTP/",$c)||preg_match("/^P3P/",$c)||preg_match("/^([A-Za-z/-]+)/:/s*(.*)$/",$c)){
212. continue;
213. }
214. if(trim($c)==""){
215. continue;
216. }
217. $ret.=$c;
218. }
219. fclose($fp);
221. return$ret;
222. }
223. }