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手动把这个 zip 包下载下来,然后找个地方放着,比如放到D盘上 然后把 里面的bin目录添加到系统的环境变量上
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设置好环境变量后,关闭cmd窗口,重新运行就可以了
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M
第一步 获取 到当前元素的中心点