PHP web版各省市 三日内天气预报

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天气预报模块




date("Ymd",filemtime($live_file)) || ($_SGLOBAL['timestamp']-filemtime($live_file))>$cfg['lw_cachetime']) {
		@unlink($live_file);
		//获取实况天气信息,并保存
		$live_weather = get_live_weather($htmlarr);
		save_weather_xml($live_weather, $live_file, 0);
	} else {
		$live_weather = read_weather_xml($live_file, 0);
	}
	if (!@file_exists($cma_file) || date("Ymd")>date("Ymd",filemtime($cma_file)) || ($_SGLOBAL['timestamp']-filemtime($cma_file))>$cfg['w_cachetime']) {
		@unlink($cma_file);
		//获取未来三日天气信息和指数查询,并保存
		$cma_weather = get_cma_weather($htmlarr);
		save_weather_xml($cma_weather, $cma_file, 1);
	} else {
		$cma_weather = read_weather_xml($cma_file, 1);
	}
}
unset($htmlarr);		//销毁指定的变量

foreach ($cma_weather['cma']['gif'] as $k => $v) {			//遍历天气数组元素
	list($gif[$k][0],$gif[$k][1]) = explode(',', $v);
}
?>
   
 
 
 

 

 $arr){
		if(in_array($citycode,$arr)){
			$pkey = $k;
			$flag = false;
			break;
		}
	}
	if($flag){
		$pkey = '0';
		$ckey = '0';
		$citycode = $n[$pkey][$ckey];
	}else{
		$ckeyarr = array_keys($n[$pkey],$citycode);
		$ckey = $ckeyarr[0];
	}
	$city = array($citycode,$p[$pkey],$c[$pkey][$ckey],$pkey);
	return $city;
}

//通过用户ip得到用户所在位置,然后获取该城市信息,$citycode为城市编码,$p为省份数组,$c为城市数组,$n为城市编码数组
function getcitybyip($country,$p,$c,$n){
	$pkey = getkey($p,$country); //获取省份数组下标
	$ckey = getkey($c[$pkey],$country); //获取城市数组下标
	$code = $n[$pkey][$ckey]; //取得相应省份所属的城市在中央天气预报信息库中的编码
	$city= array($code,$country,$c[$pkey][$ckey],$pkey);
	return $city;
}

function getkey($arr,$country){			//获取数组的下标
	if(is_array($arr)){
		foreach($arr as $key => $val){
			if(preg_match('/('.$val.')/',$country,$match)){
				return $key;
			}
		}
	}else{
		if(preg_match('/('.$arr.')/',$country,$match)){
			return $key;
		}
	}
	return 0;
}

function mk_dir($dir) {				//创建文件夹,@param $dir 文件夹路径
	if(!@file_exists($dir)) {
		@mkdir($dir, 0777);
	}
}

/**
 * 功能: 通过城市编码从中国气象局天气预报页面读取信息
 * 参数: $citycode为城市编码
 * 说明: 返回包含天气信息数组
 */
function get_cma_html($citycode) {
	for ($i=0; $i<10; $i++) {
		//中国气象局天气数据
		if (false != ($htmlarr = file('http://www.cma.gov.cn/tqyb/weatherdetail/'.$citycode.'.html'))) {
			return $htmlarr;
		}
	}
	return false;
}

/**
 * 功能: 从天气数组中提取实况天气信息
 * 参数: $htmlarr为天气信息文本
 * 说明: 返回实况天气信息数组
 */
function get_live_weather($htmlarr) {
	$weather = array();
	$weather['date'] = strip_tags($htmlarr[660]);
	$weather['city'] = strip_tags($htmlarr[670]);
	$weather['weather'] = strip_tags($htmlarr[674]);
	$weather['temperature'] = strip_tags($htmlarr[675]);
	$weather['wind'] = strip_tags($htmlarr[681]);
	$weather['air'] = strip_tags($htmlarr[682]);
	$weather['ultraviolet'] = strip_tags($htmlarr[683]);
	$weather['a'] = strip_tags($htmlarr[684]);
	$weather['gif'] = eregi_replace('(.+)*/tqyb/img/weather/(.+)*" width="20" height="20">', "\\2", $htmlarr[671]);
	return $weather;
}


/**
 * 功能: 从天气数组中提取三日天气信息
 * 参数: $htmlarr为天气信息文本
 * 说明: 返回天气信息数组
 */
function get_cma_weather($htmlarr){
	$waather = array();
	list($dateregine,$weather['city']) = explode("   ",strip_tags($htmlarr['861']));
	$arr['date'] = array($htmlarr['871'],$htmlarr['872'],$htmlarr['873']);
	$arr['weather'] = array($htmlarr['883'],$htmlarr['890'],$htmlarr['897']);
	$arr['temperature'] = array($htmlarr['917'],$htmlarr['918'],$htmlarr['919']);
	$gif['gif'] = array($htmlarr['882'],$htmlarr['889'],$htmlarr['896']);
	$winddirect = array($htmlarr['925'],$htmlarr['926'],$htmlarr['927']);
	foreach($arr as $k => $v){
		foreach($v as $key => $val){
			$weather['cma'][$k][$key] = strip_tags($val);
		}
	}
	foreach($winddirect as $k => $v){
		$weather['cma']['winddirect'][$k] = htmlspecialchars(eregi_replace('(.+)*"b-cn">(.+)*',"\\2",$v));
	}
	foreach ($gif['gif'] as $k => $v) {
		$weather['cma']['gif'][$k] = eregi_replace('(.+)*/tqyb/img/weather/(.+)*" width="20" height="20"> ',"\\3,\\2",$v);
	}
	return $weather;
}
/**
 * 功能: 从文本中提取指数查询
 * 参数: $htmlarr为天气信息文本
 * 说明: 返回指数查询数组
 */
function get_zscx_weather($htmlarr) {
    $zscx = array('cyzs'=>$htmlarr['974'],'gmzs'=>$htmlarr['978'],'clzs'=>$htmlarr['982'],'jtzs'=>$htmlarr['986'],'zszs'=>$htmlarr['990'],'gyzs'=>$htmlarr['994'],'fszs'=>$htmlarr['998'],'lxzs'=>$htmlarr['1002']);
    foreach ($zscx as $k => $v) {
    	$weather[$k] = eregi_replace('(.+)*title="(.+)*">(.+)*',"\\2",$v);
    }
    return $weather;
}

/**
 * 功能: 从指定的路径读取存储有天气信息的xml文件
 * 参数: $filepath为文件路径
 * 说明: 返回天气信息数组
 */
function read_weather_xml($filepath, $mod=0){
	$w = simplexml_load_file($filepath);
	if ($mod == 0) {
	    $weather['city'] = $w->city;
	    $weather['date'] = $w->date;
	    $weather['weather'] = $w->weather;
	    $weather['temperature'] = $w->temperature;
	    $weather['wind'] = $w->wind;
	    $weather['air'] = $w->air;
	    $weather['ultraviolet'] = $w->ultraviolet;
	    $weather['gif'] = $w->gif;
	    foreach ($weather as $k => $v) {
	    	$weather[$k] = iconv("utf-8","gb2312",$v);
	    }
	} elseif ($mod == 1) {
		$weather['city'] = iconv("utf-8","gb2312",$w->city);
		$i = 0;
		foreach ($w->data as $k => $v) {
			foreach ($v as $key => $val) {
				$weather['cma'][$key][$i] = iconv("utf-8","gb2312",$val);
			}
			$i++;
		}
		
		foreach ($w->zscx as $v){
			foreach ($v as $key => $val) {
			    $weather['zscx'][$key] = iconv("utf-8","gb2312",$val);
			}
		}
		
	}
	return $weather;
}

/**
 * 功能: 将天气信息存储为指定的xml文件
 * 参数: $w为该城市天气信息,$filepath为文件路径,$mod=0是表示实况天气信息,$mod=1为未来三日天气信息
 */
function save_weather_xml($w, $filepath, $mod=0){
	$dom = new DomDocument();
	$xmlstr = '';
	$xmlstr .= "";
	if ($mod == 1) {
		$xmlstr .= "".$w['city']."";
		$datasize = count($w['cma']['date']);
		for($i=0; $i<$datasize; $i++){
			$xmlstr .= "";
			$xmlstr .="		".$w['cma']['date'][$i]."";
			$xmlstr .="		".$w['cma']['weather'][$i]."";
			$xmlstr .="		".$w['cma']['temperature'][$i]."";
			$xmlstr .="		".$w['cma']['winddirect'][$i]."";
			$xmlstr .="		".$w['cma']['gif'][$i]."";
			$xmlstr .="";
		}
	} elseif ($mod == 0) {
		foreach ($w as $k => $v) {
			$xmlstr .= "<".$k.">".$v."";
		}
	}
	$xmlstr .="";
	$dom->loadXML($xmlstr);
	$dom->save($filepath);
}

//模板调用
function template($tplfile, $tplpath = '', $tplcachepath = '', $userpack = '', $userpackpath = '') {
	$tplpath = $tplpath != '' ? $tplpath : (defined("_TPLPath_") ? _TPLPath_ : '');
	$tplfile = $tplpath.$tplfile;
	$tplcachelimit = defined("_TPLCacheLimit_") ? _TPLCacheLimit_ : 0;
	$cachefile = ($tplcachepath != '' ? $tplcachepath : (defined("_TPLCachePath_") ? _TPLCachePath_ : '')).str_replace(array('/', '.'), '_', $tplfile.($userpack ? '.'.($userpackpath ? $userpackpath : '').$userpack : '')).'.php';
	$cachetime = @filemtime($cachefile);
	if (@filemtime($tplfile) <= $cachetime && (!$tplcachelimit || time() - $cachetime <= $tplcachelimit)) return $cachefile;
	include S_ROOT.'./libs/nemo.php'; 
	$nemotpl = new nemo;
	$nemotpl->userpack = $userpack ? ($userpackpath ? $userpackpath : $tplpath).$userpack.'.php' : '';
	$nemotpl->template = file_get_contents($tplfile);
	$nemotpl->cachefile = $cachefile;
	$nemotpl->extraparms = ',\\\''.$tplpath.'\\\',\\\''.$tplcachepath.'\\\',\\\''.$userpack.'\\\',\\\''.$userpackpath.'\\\'';
	return $nemotpl->compile();
}
?>

 PHP web版各省市 三日内天气预报_第1张图片

  • weather_report.zip (184.7 KB)
  • 下载次数: 27
  • PHP web版各省市 三日内天气预报_第2张图片
  • 大小: 37 KB
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