https://blog.youkuaiyun.com/Smile_Growingzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/Smile_Growing/article/details/51858469https://blog.youkuaiyun.com/Smile_Growing/article/details/51858469Smile_GrowingFri, 08 Jul 2016 09:56:45 +0800https://blog.youkuaiyun.com/Smile_Growing/article/details/51858431https://blog.youkuaiyun.com/Smile_Growing/article/details/51858431Smile_GrowingFri, 08 Jul 2016 09:53:43 +0800https://blog.youkuaiyun.com/Smile_Growing/article/details/51854635https://blog.youkuaiyun.com/Smile_Growing/article/details/51854635Smile_GrowingThu, 07 Jul 2016 22:02:05 +0800https://blog.youkuaiyun.com/Smile_Growing/article/details/51852945https://blog.youkuaiyun.com/Smile_Growing/article/details/51852945Smile_GrowingThu, 07 Jul 2016 19:06:15 +0800屏幕尺寸：屏幕对角线的长度 1英寸=2.54厘米 ->屏幕分辨率：是指横纵向上的像素点数 单位px，1px=1个像素点 一般以纵向像素*横向像素：如1920*1080 ->屏幕像素密度：指每英寸上的像素点数 单位dpi 屏幕像素密度与屏幕尺寸和屏幕分辨率有关 eg: 屏幕尺寸：  4.95inch（英寸） 分辨率：1920*1080 屏幕像素]]>