关键词抓取歌曲列表，获取hash
http://mobilecdn.kugou.com/api/v3/search/song?format=json&keyword=%E6%88%91%E4%BB%AC%E4%B8%8D%E4%B8%80%E6%A0%B7&page=1&pagesize=20&showtype=1
{"status":1,"error":"","data":{"aggregation":[{"key":"DJ","count":0},{"key":"现场","count":0},{"key":"广场舞","count":0},{"key":"伴奏","count":0},{"key":"铃声","count":0}],"tab":"全部","info":[{"othername_original":"","pay_type_320":0,"m4afilesize":1111879,"price_sq":0,"isoriginal":1,"filesize":4334854,"source":"","bitrate":128,"topic":"","price":0,"Accompany":1,"old_cpy":1,"songname_original":"我们不一样","singername":"大壮","pay_type":0,"sourceid":0,"topic_url":"","fail_process_320":0,"pkg_price":0,"feetype":0,"filename":"大壮 - 我们不一样","price_320":0,"songname":"我们不一样","hash":"1035269c05791f1665e36dffe478326c"
根据 hash获取歌曲地址
http://www.kugou.com/yy/index.php?r=play/getdata&hash=1035269c05791f1665e36dffe478326c