新浪天气API接口获取最近几天天气数据！

新浪天气api接口文件：Weather.class.php

<?php
/*
 * 获取连续几天天气
 */
class Weather
{

    //日期数组，0代表几天
    private $_day;
    
    public function __construct($day = 0){
     
        $this->_day = range(0,(int)$day);
 
    }
    //获取xml信息
    public function getXmlInfo($city_name)
    {
        //城市名称
        $city = $this->filter($city_name);

        $return = array();
        //具体日期
        foreach ($this->_day as $item)
        {
            //新浪天气api

            $api_address = "http://php.weather.sina.com.cn/xml.php?city={$city}&password=DJOYnieT8234jlsK&day={$item}";
            $xml = simplexml_load_file($api_address);
            $data = array();            

            if(isset($xml->Weather)){

                $data['city'] = $xml->Weather->city;
                
                //天气状况
                $data['status_day'] = $xml->Weather->status1;
                $data['status_night'] = $xml->Weather->status2;
                
                //风级
                $data['power_day'] = $xml->Weather->power1;
                $data['power_night'] = $xml->Weather->power2;
                
                //温度
                $data['temperature_day'] = $xml->Weather->temperature1;
                $data['temperature_night'] = $xml->Weather->temperature2;
                
                //日期
                $data['savedate_weather'] = $xml->Weather->savedate_weather;
                
                $return[] = $data;
            }else{
                return false;
                exit;
            }
        }
        
        return $return;
    }
    
    
    //过滤相关字眼
    private  static function filter($city_name)
    {
        if(strstr($city_name, "自治州")){
            
            return false;exit;
        
        }
        
        $filter_arr = array("市", "县", "地区");
        
        foreach ($filter_arr as $item){
            if(strstr($city_name, $item)){
                $city_name = str_replace($item, "", $city_name);
                break;
            }
        }
        
        $city_name = iconv('utf-8', "gb2312", $city_name);
        
        return urlencode($city_name);
    
    } 

}

调用实例：

 $weather=new Weather(7); //不传默认0，传正整数，获取最近几天天气
print_R($weather->getXmlInfo("杭州"));

返回数据：

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