基于google api开发的地图校友录，可以定义学生照片，地理经纬度和自我介绍。具体情况请参看xml文档 使用时主要要去google官方申请key-Developed based on the google api map recorded alumni, students can be defined photos, geographic latitude and longitude and self-introduction. Please refer to the specific circumstances of xml document using the official application for the main key to go to google