2018-04-09 update 利用python中的内置函数 eval() ,函数说明: def eval(*args, **kwargs): # real signature unknown """ Evaluate the given source in the context of globals and locals. The source may be a string representing a Python expression or a code obj…
public static ImageUtilEngine getImageEngine() { return imageEngine; } 这个是什么啊........纠结了一个多星期的东西 忽然间看到了 /** A safe way to get an instance of the Camera object. */ public static Camera getCameraInstance(){ Camera c = null; try { c = Camera.open(); //…