rpx与px之间的转换

px与rpx之间转换的公式：px = rpx / 750 * wx.getSystemInfoSync().windowWidth;

rpx　=   px *(750/ wx.getSystemInfoSync().windowWidth)

 

参考:https://blog.csdn.net/qq_41080490/article/details/80268298

https://blog.csdn.net/m0_37865510/article/details/108245083