1. ctrl+o 打开张图片
![](https://img.haomeiwen.com/i5627750/b112a48fba6f05e9.png)
2. ctrl+j 复制一个图层,要养成复制图层的好习惯
![](https://img.haomeiwen.com/i5627750/57f35951ba1e27ba.png)
3. 选择椭圆工具
![](https://img.haomeiwen.com/i5627750/b048d6f0a438c40b.png)
4. 设置椭圆工具的值为形状,无填充,无描边
![](https://img.haomeiwen.com/i5627750/641b17c969d991d6.png)
5. 按住shift可以画出圆形
6. ctrl+enter 建立选区
7. ctrl+shift+i 建立反向选区
8. 选择图层1,按delete键将反选的区域删除
![](https://img.haomeiwen.com/i5627750/ea943477c4e83ac4.png)
9. 将背景层隐藏掉
10. ctrl+d取消选区
![](https://img.haomeiwen.com/i5627750/43cda683310c5537.png)
11. ctrl+s保存为png或者jpg格式
![](https://img.haomeiwen.com/i5627750/bdabd0300b759042.png)
12. 测试图片是否成功,这里用HTML代码测试
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
body{
background-color: pink;
}
</style>
</head>
<body>
![](F:\图片\壁纸\images.png)
![](F:\图片\壁纸\images.jpg)
</body>
</html>
测试结果:
![](https://img.haomeiwen.com/i5627750/ef1deba1c82f137f.png)
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