IDEA查看类库源代码

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有的时候在IDEA里查看通过 MAVEN 引入的第三方 jar 包源代码、下载源代码码会报错，不能成功下载、查看源代码，

可以在IDEA下方的 Terminal 中运行：

PS E:\record\2022\12\9\tutorials-master\tutorials-master\jdbc> mvn dependency:resolve -Dclassifier=sources
[INFO] Scanning for projects...
……
Downloading from nexus-aliyun: http://maven.aliyun.com/nexus/content/groups/public/mysql/mysql-connector-java/8.0.30/mysql-connector-java-8.0.30-sources.jar
Downloaded from nexus-aliyun: http://maven.aliyun.com/nexus/content/groups/public/mysql/mysql-connector-java/8.0.30/mysql-connector-java-8.0.30-sources.jar (1.6 MB at 4.3 MB/s)
……

这时再重新打开第三方 jar 包源代码就可以正常查看了

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