如何实现PHP抓取天气预报的功能_PHP教程

PHP抓取天气预报绝对精简代码

1. < form method="post">
2. < input name="a" type="text" id="a" />
3. < input type="submit" name="Submit" value="查" />
4. < /form>
5. < ?php
6. $city = $_REQUEST["a"];
7. if ($city=="")
8. {
9. $city="菏泽";
10. }
11. $url = 'http://www.baidu.com/s?wd='.$city.'天气';
12. $lines_array = file($url);
13. $lines_string = implode('', $lines_array);
14. eregi("今天（(.*)今日气象指数", $lines_string, $body);
15. $body[0]=strip_tags($body[0]);
16. $body[0] = str_replace(" 今日气象指数","",$body[0]);
17. $body[0] = str_replace(" ","",$body[0]);
18. echo $city.$body[0];
19. ?>

以上代码示例就是PHP抓取天气预报的实现方法。

http://www.bkjia.com/PHPjc/446178.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/446178.htmlTechArticle我们可以使用 PHP抓取天气预报绝对精简代码 form method = post input name = a type = text id = a / input type = submit name = Submit value = 查 / / form ?php $ city...