PHP基础PHP教程php框架JavaScript

asp.netAJAX正则表达式ASP

输入banner图图片脚本导航/分类

抓取豆瓣电影TOP250的PHP代码

  1. for ($start = 0; $start < 250; $start += 25) {
  2. $url = "http://movie.douban.com/top250?start=$start&filter=&type=";
  3. $titles = parsePage($url);
  4. if ($titles === false) {
  5. echo $url, "\n";
  6. } else {
  7. array_walk($titles, 'printTitle');
  8. }
  9. }
  12. function parsePage($url) {
  13. $html = file_get_contents($url);
  14. if ($html === false) {
  15. return false;
  16. }
  18. if (preg_match_all('/([^<]+)/s', $html, $matches) === false) {
  19. return false;
  20. }
  22. $titles = array();
  23. foreach($matches[1] as $item) {
  24. $titles[] = iconv('utf-8', 'gbk', $item);
  25. }
  26. return $titles;
  27. }
  30. $count = 0;
  31. function printTitle($title) {
  32. global $count;
  33. ++$count;
  34. printf("%3d %s\n", $count, $title);
  35. }

PHP