maven仓库的国内镜像
http://mvnrepository.com
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小幺鸡
http://www.xiaoyaoji.cn
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最代码
zuidaima.com
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jar 下载地址
https://www.findjar.com/index.x
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蓝灯下载地址
https://s3.amazonaws.com/lantern/lantern-installer-beta.exe
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免费FQ俩小时
https://go.no123.info/123/tutorial/windows