批量图片尺寸更改

该插件能够批量处理长方形图片，在不改变原图尺寸的基础上，自动添加白色背景并输出为正方形图片。非常适用于淘宝、微店等电商平台的商品主图要求。由 Eric Wang (ewanghai@gmail.com) 开发于 2024.12.1，最后更新于 2024.12.2

This plugin allows for batch processing of rectangular images. It automatically adds a white background and outputs the image as a square, without changing the original image dimensions. It is particularly useful for meeting the main image requirements of e-commerce platforms such as Taobao and Weidian.