<!--This only works in android mobile phone-->
<a href="geo:0,0?q=myaddress+encode)__" target="_blank"> Open Map,I am here. </a>
<!--This works under iphone--> <a href="http://maps.apple.com/?q=myaddress+encode" target="_blank">Open Map, I am here. </a>
Here are the pages list:
How to launch Google Maps on iPhone via web link?
Getting Safari to auto open Google Maps App
How to lauch Google Maps App by Web Url under the android
Launch Google Map in Android / IOS Mobile,布布扣,bubuko.com
Launch Google Map in Android / IOS Mobile
原文：http://www.cnblogs.com/shuman/p/3836364.html