google地图
判断依据,你打开chrome开发者工具的网络分析面板,或者fiddler,当你拖动放大地图,你会发现
curl "http://mt2.google.cn/vt/lyrs=t@131,r@216000000&hl=zh-CN&gl=CN&src=app&x=108769&y=53211&z=17&s=Gal" -H "Accept: image/webp,*/*;q=0.8" -H "Connection: keep-alive" -H "Accept-Encoding: gzip, deflate, sdch" -H "Referer: http://typhoon.zjwater.gov.cn/default.aspx" -H "Accept-Language: en-US,en;q=0.8,zh-CN;q=0.6,zh;q=0.4" -H "User-Agent: Mozilla/5.0 (Windows NT 6.3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.130 Safari/537.36" --compressed
这样的请求。