公交线路导航：可以查询到全国哪个城市的公交站点，线路，乘线路程等一系列信息！
详情参见;http://www.haoservice.com/docs/23
示例演示：
{
"error_code":0,
"reason":"Success",
"result":{
"busstops":[{
"adcode":320506,
"citycode":"0512", /*城市区号*/
"timestamp":null,
"id":"BV20030270",
"name":"生物纳米园西(公交站)", /*站点名称*/
"location":"120.727766,31.258087", /*站点坐标*/
"buslines":[{ /*公交线路*/
"start_stop":"启月街首末站",
"end_stop":"星华街游客中心首末站",
"id":"320500012825",
"name":"176路(启月街首末站--星华街游客中心首末站)",
"location":"120.727766,31.258087"
},{
"start_stop":"启月街首末站",
"end_stop":"星华街游客中心首末站",
"id":"320500011036","name":"176路空调(启月街首末站--星华街游客中心首末站)",
"location":"120.727766,31.258087"
},{
"start_stop":"星华街游客中心首末站",
"end_stop":"启月街首末站",
"id":"320500012826",
"name":"176路(星华街游客中心首末站--启月街首末站)",
"location":"120.727677,31.258105"
},{
"start_stop":"星华街游客中心首末站",
"end_stop":"启月街首末站",
"id":"320500011038",
"name":"176路空调(星华街游客中心首末站--启月街首末站)",
"location":"120.727677,31.258105"
}]
}]
}
}