解析雅虎天气API返回的XML数据.doc

解析雅虎天气API返回的XML数据使用XMLReader解析1 $url = /forecastrss?w=15015432&u=c;2 $reader = new XMLReader();3 $reader-open($url,utf-8);4 while($reader-read()5 if($reader-name = yweather:condition)6 $code = $reader-getAttribute(code); /获取天气代码7 $temp = $reader-getAttribute(temp); /获取温度8 9 if($reader-name = yweather:atmosphere)10 $humi = $reader-getAttribute(humidity); /获取湿度11 12 复制代码使用DOMDocument解析13 $url = /forecastrss?w=15015432&u=c;14 $yweather = /ns/rss/1.0; /命名空间15 $res = new DOMDocument();16 $res-load($url);1718 $node = $res-getElementsByTagNameNS($yweather, atmosphere);19 $humi = $node-item(0)-attributes-item(0)-nodeValue; /获取湿度20 $node = $res-getElementsByTagNameNS($yweather, condition);21 $code = $node-item(0)-attributes-item(1)-nodeValue; /获取天气代码22 $temp = $node-item(0)-attributes-item(2)-nodeValue; /获取温度复制代码将数字格式的天气代码转换成相应的中文23 function code2char($code)24 switch($code)25 case 0:26 return 龙卷风;27 case 1:28 return 热带风暴;29 case 2:30 return 暴风;31 case 3:32 return 大雷雨;33 case 4:34 return 雷阵雨;35 case 5:36 return 雨夹雪;37 case 6:38 return 雨夹雹;39 case 7:40 return 雪夹雹;41 case 8:42 return 冻雾雨;43 case 9:44 return 细雨;45 case 10:46 return 冻雨;47 case 11:48 return 阵雨;49 case 12:50 return 阵雨;51 case 13:52 return 阵雪;53 case 14:54 return 小阵雪;55 case 15:56 return 高吹雪;57 case 16:58 return 雪;59 case 17:60 return 冰雹;61 case 18:62 return 雨淞;63 case 19:64 return 粉尘;65 case 20:66 return 雾;67 case 21:68 return 薄雾;69 case 22:70 return 烟雾;71 case 23:72 return 大风;73 case 24:74 return 风;75 case 25:76 return 冷;77 case 26:78 return 阴;79 case 27:80 return 多云;81 case 28:82 return 多云;83 case 29:84 return 局部多云;85 case 30:86 return 局部多云;87 case 31:88 return 晴;89 case 32:90 return 晴;91 case 33:92 return 转晴;93 case 34:94 return 转晴;95 case 35:96 return 雨夹冰雹;97 case 36:98 return 热;99 case 37:100 return 局部雷雨;101 case 38:102 return 偶有雷雨;103 case 39:104 return 偶有雷雨;105 case 40:106 return 偶有阵雨;107 case 41:108 return 大雪;109 case 42:110 return 零星阵雪;111 case 43:112 return 大雪;113 case 44:114 return 局部多云;115 case 45:116 return 雷阵雨;117 case 46:118 retur