接口地址：

以json格式提供，格式如下

{"weatherinfo":{

//基本信息;

"city":"北京","city_en":"beijing",

"date_y":"2011年8月10日","date":"辛卯年","week":"星期三","fchh":"18","cityid":"101010100",

//摄氏温度

"temp1":"24℃~33℃","temp2":"24℃~32℃","temp3":"25℃~31℃","temp4":"23℃~30℃","temp5":"22℃~30℃","temp6":"21℃~32℃",

//华氏温度;

"tempF1":"75.2℉~91.4℉","tempF2":"75.2℉~89.6℉","tempF3":"77℉~87.8℉","tempF4":"73.4℉~86℉","tempF5":"71.6℉~86℉","tempF6":"69.8℉~89.6℉",

//天气描述;

"weather1":"多云","weather2":"晴转多云","weather3":"阴","weat