解析雅虎天气API返回的XML数据-PHP源码-php.cn

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解析雅虎天气API返回的XML数据

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May 25, 2016 pm 05:06 PM

使用XMLReader解析

$url = &#39;http://weather.yahooapis.com/forecastrss?w=15015432&u=c&#39;;
$reader = new XMLReader();
$reader->open($url,&#39;utf-8&#39;);
while($reader->read()){
    if($reader->name == &#39;yweather:condition&#39;){
        $code = $reader->getAttribute(&#39;code&#39;);   //获取天气代码
        $temp = $reader->getAttribute(&#39;temp&#39;);   //获取温度
    }
    if($reader->name == &#39;yweather:atmosphere&#39;){
        $humi = $reader->getAttribute(&#39;humidity&#39;);   //获取湿度
    }
}

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使用DOMDocument解析

$url = &#39;http://weather.yahooapis.com/forecastrss?w=15015432&u=c&#39;;
$yweather = "http://xml.weather.yahoo.com/ns/rss/1.0";  //命名空间
$res = new DOMDocument();
$res->load($url);
 
$node = $res->getElementsByTagNameNS($yweather, &#39;atmosphere&#39;);
$humi = $node->item(0)->attributes->item(0)->nodeValue;     //获取湿度
$node = $res->getElementsByTagNameNS($yweather, &#39;condition&#39;);
$code = $node->item(0)->attributes->item(1)->nodeValue;     //获取天气代码
$temp = $node->item(0)->attributes->item(2)->nodeValue;     //获取温度

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将数字格式的天气代码转换成相应的中文

function code2char($code){
    switch($code){
        case 0:
            return &#39;龙卷风&#39;;
        case 1:
            return &#39;热带风暴&#39;;
        case 2:
            return &#39;暴风&#39;;
        case 3:
            return &#39;大雷雨&#39;;
        case 4:
            return &#39;雷阵雨&#39;;
        case 5:
            return &#39;雨夹雪&#39;;
        case 6:
            return &#39;雨夹雹&#39;;
        case 7:
            return &#39;雪夹雹&#39;;
        case 8:
            return &#39;冻雾雨&#39;;
        case 9:
            return &#39;细雨&#39;;
        case 10:
            return &#39;冻雨&#39;;
        case 11:
            return &#39;阵雨&#39;;
        case 12:
            return &#39;阵雨&#39;;
        case 13:
            return &#39;阵雪&#39;;
        case 14:
            return &#39;小阵雪&#39;;
        case 15:
            return &#39;高吹雪&#39;;
        case 16:
            return &#39;雪&#39;;
        case 17:
            return &#39;冰雹&#39;;
        case 18:
            return &#39;雨淞&#39;;
        case 19:
            return &#39;粉尘&#39;;
        case 20:
            return &#39;雾&#39;;
        case 21:
            return &#39;薄雾&#39;;
        case 22:
            return &#39;烟雾&#39;;
        case 23:
            return &#39;大风&#39;;
        case 24:
            return &#39;风&#39;;
        case 25:
            return &#39;冷&#39;;
        case 26:
            return &#39;阴&#39;;
        case 27:
            return &#39;多云&#39;;
        case 28:
            return &#39;多云&#39;;
        case 29:
            return &#39;局部多云&#39;;
        case 30:
            return &#39;局部多云&#39;;
        case 31:
            return &#39;晴&#39;;
        case 32:
            return &#39;晴&#39;;
        case 33:
            return &#39;转晴&#39;;
        case 34:
            return &#39;转晴&#39;;
        case 35:
            return &#39;雨夹冰雹&#39;;
        case 36:
            return &#39;热&#39;;
        case 37:
            return &#39;局部雷雨&#39;;
        case 38:
            return &#39;偶有雷雨&#39;;
        case 39:
            return &#39;偶有雷雨&#39;;
        case 40:
            return &#39;偶有阵雨&#39;;
        case 41:
            return &#39;大雪&#39;;
        case 42:
            return &#39;零星阵雪&#39;;
        case 43:
            return &#39;大雪&#39;;
        case 44:
            return &#39;局部多云&#39;;
        case 45:
            return &#39;雷阵雨&#39;;
        case 46:
            return &#39;阵雪&#39;;
        case 47:
            return &#39;局部雷阵雨&#39;;
        default:
            return &#39;水深火热&#39;;
    }

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