xml前言中不允许有内容_PHP中的XML解析的5种方法

header("Content-type:text/html; Charset&＃61;utf-8");
$url &＃61; "http://www.google.com/ig/api?weather&＃61;shenzhen";// 加载XML内容
$content &＃61; file_get_contents($url);
$content &＃61; get_utf8_string($content);
$dom &＃61; DOMDocument::loadXML($content);
/*
此处也可使用如下所示的代码&＃xff0c;
$dom &＃61; new DOMDocument();
$dom->load($url);*/$elements &＃61; $dom->getElementsByTagName("current_conditions");
$element &＃61; $elements->item(0);
$condition &＃61; get_google_xml_data($element, "condition");
$temp_c &＃61; get_google_xml_data($element, "temp_c");
echo &＃39;天气&＃xff1a;&＃39;, $condition, &＃39;
&＃39;;
echo &＃39;温度&＃xff1a;&＃39;, $temp_c, &＃39;
&＃39;;function get_utf8_string($content) { // 将一些字符转化成utf8格式$encoding &＃61; mb_detect_encoding($content, array(&＃39;ASCII&＃39;,&＃39;UTF-8&＃39;,&＃39;GB2312&＃39;,&＃39;GBK&＃39;,&＃39;BIG5&＃39;));return mb_convert_encoding($content, &＃39;utf-8&＃39;, $encoding);
}function get_google_xml_data($element, $tagname) {$tags &＃61; $element->getElementsByTagName($tagname); // 取得所有的$tagname$tag &＃61; $tags->item(0); // 获取第一个以$tagname命名的标签if ($tag->hasAttributes()) { // 获取data属性$attribute &＃61; $tag->getAttribute("data");return $attribute;}else {return false;}
}
?>

header("Content-type:text/html; Charset&＃61;utf-8");
$url &＃61; "http://www.google.com/ig/api?weather&＃61;shenzhen";// 加载XML内容
$xml &＃61; new XMLReader();
$xml->open($url);$condition &＃61; &＃39;&＃39;;
$temp_c &＃61; &＃39;&＃39;;
while ($xml->read()) {
// echo $xml->name, "&＃61;&＃61;>", $xml->depth, "
";if (!empty($condition) && !empty($temp_c)) {break;}if ($xml->name &＃61;&＃61; &＃39;condition&＃39; && empty($condition)) { // 取第一个condition$condition &＃61; $xml->getAttribute(&＃39;data&＃39;);}if ($xml->name &＃61;&＃61; &＃39;temp_c&＃39; && empty($temp_c)) { // 取第一个temp_c$temp_c &＃61; $xml->getAttribute(&＃39;data&＃39;);}$xml->read();
}$xml->close();
echo &＃39;天气&＃xff1a;&＃39;, $condition, &＃39;
&＃39;;
echo &＃39;温度&＃xff1a;&＃39;, $temp_c, &＃39;
&＃39;;

header("Content-type:text/html; Charset&＃61;utf-8");
$url &＃61; "http://www.google.com/ig/api?weather&＃61;shenzhen";// 加载XML内容
$dom &＃61; new DOMDocument();
$dom->load($url);$xpath &＃61; new DOMXPath($dom);
$element &＃61; $xpath->query("/xml_api_reply/weather/current_conditions")->item(0);
$condition &＃61; get_google_xml_data($element, "condition");
$temp_c &＃61; get_google_xml_data($element, "temp_c");
echo &＃39;天气&＃xff1a;&＃39;, $condition, &＃39;
&＃39;;
echo &＃39;温度&＃xff1a;&＃39;, $temp_c, &＃39;
&＃39;;function get_google_xml_data($element, $tagname) {$tags &＃61; $element->getElementsByTagName($tagname); // 取得所有的$tagname$tag &＃61; $tags->item(0); // 获取第一个以$tagname命名的标签if ($tag->hasAttributes()) { // 获取data属性$attribute &＃61; $tag->getAttribute("data");return $attribute;}else {return false;}
}
?>

header("Content-type:text/html; Charset&＃61;utf-8");
$url &＃61; "http://www.google.com/ig/api?weather&＃61;shenzhen";// 加载XML内容
$content &＃61; file_get_contents($url);
$p &＃61; xml_parser_create();
xml_parse_into_struct($p, $content, $vals, $index);
xml_parser_free($p);echo &＃39;天气&＃xff1a;&＃39;, $vals[$index[&＃39;CONDITION&＃39;][0]][&＃39;attributes&＃39;][&＃39;DATA&＃39;], &＃39;
&＃39;;
echo &＃39;温度&＃xff1a;&＃39;, $vals[$index[&＃39;TEMP_C&＃39;][0]][&＃39;attributes&＃39;][&＃39;DATA&＃39;], &＃39;
&＃39;;

// Charset: utf-8
/*** 用php Simplexml 调用google天气预报api,和g官方的例子不一样* google 官方php domxml 获取google天气预报的例子* http://www.google.com/tools/toolbar/buttons/intl/zh-CN/apis/howto_guide.html** &＃64;copyright Copyright (c) 2008 * &＃64;license New BSD License* &＃64;version 2008-11-9*/// 城市&＃xff0c;用城市拼音
$city &＃61; empty($_GET[&＃39;city&＃39;]) ? &＃39;shenzhen&＃39; : $_GET[&＃39;city&＃39;];
$content &＃61; file_get_contents("http://www.google.com/ig/api?weather&＃61;$city&hl&＃61;zh-cn");
$content || die("No such city&＃39;s data");
$content &＃61; mb_convert_encoding($content, &＃39;UTF-8&＃39;, &＃39;GBK&＃39;);
$xml &＃61; simplexml_load_string($content);$date &＃61; $xml->weather->forecast_information->forecast_date->attributes();
$html &＃61; $date. "
rn";$current &＃61; $xml->weather->current_conditions;$condition &＃61; $current->condition->attributes();
$temp_c &＃61; $current->temp_c->attributes();
$humidity &＃61; $current->humidity->attributes();
$icon &＃61; $current->icon->attributes();
$wind &＃61; $current->wind_condition->attributes();$condition && $condition &＃61; $xml->weather->forecast_conditions->condition->attributes();
$icon && $icon &＃61; $xml->weather->forecast_conditions->icon->attributes();$html.&＃61; "当前: {$condition}, {$temp_c}°C, {$humidity} {$wind}
rn";foreach($xml->weather->forecast_conditions as $forecast) {$low &＃61; $forecast->low->attributes();$high &＃61; $forecast->high->attributes();$icon &＃61; $forecast->icon->attributes();$condition &＃61; $forecast->condition->attributes();$day_of_week &＃61; $forecast->day_of_week->attributes();$html.&＃61; "{$day_of_week} : {$high} / {$low} °C, {$condition}
rn";
}header(&＃39;Content-type: text/html; Charset: utf-8&＃39;);
print $html;
?>

来源&＃xff1a;https://www.cnblogs.com/mzhaox/p/11294317.html