谷歌POI查询：
包含餐饮、住宿、娱乐等30大类，约共1400W条POI数据
详情：http://www.haoservice.com/docs/20
示例：
{ "error_code":0,
"reason":"Success",
"total":2305,
"result":[{
"uid":"5e53af1aabd4c7464151c039",
"name":"醉库绿领庄园红酒主题餐厅",
"latitude":"39.999924",
"longitude":"116.514033",
"address":"北京市朝阳区草场地村甲8号",
"street_id":"5e53af1aabd4c7464151c039",
"telephone":"(010)64333033,(010)64343033" },
{ "uid":"b9e5d0b88ec5b3a581a12ec2",
"name":"乌巢(三里屯店)",
"latitude":"39.937321",
"longitude":"116.463272",
"address":"北京朝阳区工体北路4号院机电研究院内(近三里屯)",
"street_id":"b9e5d0b88ec5b3a581a12ec2",
"telephone":"(010)65535253" },
{ ……
},{ "uid":"fa01e9371cd80653764ff18e",
"name":"王品台塑牛排(亚运村店)",
"latitude":"39.99837",
"longitude":"116.413486",
"address":"朝阳区北辰东路8号院北辰时代大厦地下一层B10（北辰购物中心南50米）",
"street_id":"fa01e9371cd80653764ff18e", "telephone":"(010)84985734,(010)84985743"
}]}