摘要： 如果觉得内置的元素不够，可以直接用类似屏幕截图软件直接剪切粘贴，并且可以制作自己的元素集合。很好用http://pencil.evolus.vn/Easy GUI PrototypingPencil provides various built-in shapes collection for drawing different types of user interface ranging from desktop to mobile platforms. Starting from 2.0.2, Pencil is shipped with Android and iOS UI stenc 阅读全文