https://apis.map.qq.com/ws/place/v1/search?
keyword=酒店&
boundary=nearby(39.908491,116.374328,1000)&
key=[你的key]&
sn=df1f287a8332d4a92b0dcb0117c66749
    "status": 0,
    "message": "query ok",
    "count": 97,
    "data": [
            "id": "295455046025378887",
            "title": "华威商务酒店",
            "address": "北京市西城区西单北大街130号华威大厦",
            "tel": "010-66028888",
            "category": "酒店宾馆:星级酒店",
            "type": 0,
            "location": {
                "lat": 39.911258,
                "lng": 116.374522
            "boundary": "",
            "_distance": 308.76,
            "pano": {
                "id": "10011007131125121004700",
                "heading": 300,
                "pitch": 0,
                "zoom": 1
    //省略其它结果，本例仅提供一条POI做为演示说明
其中key为申请的key，而sn是需要sk进行计算得出，sk不需要出现在url里。
sn = MD5(urlencode(basicString + sk))
basicString算法
get 请求
• url 中 http://域名{uri}
• basicString = uri

post 请求

• url 中 http://域名{uri} POST 参数按照key进行从小大到字母排序 • 然后拼装成：k1= v1&k2= v2&k3=v3&...&kn=vn的格式=> {params} • basicString = uri +?+ params