如何实现PHP抓取天气预报的功能
Release: 2016-06-13 11:09:04
Original
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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 = $_REQUEST["a"];
-
if ($city=="")
- {
-
$city="菏泽";
- }
-
$url = 'http://www.baidu.com/s?wd='.$city.'天气';
-
$lines_array = file($url);
-
$lines_string = implode('', $lines_array);
- eregi("今天((.*)今日气象指数", $lines_string, $body);
- $body[0]=strip_tags($body[0]);
- $body[0] = str_replace(" 今日气象指数","",$body[0]);
- $body[0] = str_replace(" ","",$body[0]);
- echo $city.$body[0];
-
?>
以上代码示例就是PHP抓取天气预报的实现方法。
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