weather_cityId.php中国天气网天气查询城市代码，城市对应城市代码。例如"北京"=>"101010100"，"海淀"=>"101010200"，"朝阳"=>"101010300"，"顺义"=>"101010400"-weather_cityId.php China Weather Network Weather inquiries city code, the city code that corresponds to the city. For examp