准备工具：电脑、PS。
1、PS整个图像放大显示快捷键是：Ctrl+，PS整个图像缩小显示快捷键是：Ctrl-。
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2、ALT+鼠标滑轮上下，也可以放大缩小图像。
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3、按下Z键，可以调出“缩放工具”，Z+鼠标左键,放大图像。双击“缩放工具”，图像以100%显示。双击“抓手工具”或者快捷键：Ctrl+，图像以最合适满画布完整比例显示。
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