自己写的实现地图缩放和标图的程序 有菜单 有slider 自己很满意-map items menu slider

该程序实现在ubutnu环境下利用qtcreator编写的滑动条与spinbox控件的值保侍同步。-The program implements the use of the value of the slider and spinbox qtcreator written under the control of environmental protection ubutnu paternity synchronization.