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service实现类里面为何一直报红
2022-06-28 02:16:00 【热爱Java的编程小白】
之前在完成项目时，有个错让我找了好久才解决，最后发现这个错来自于自己的粗心大意。
复现一下这个错的出现的原因
在利用MybatisPlus创建完三层架构后，发现有个地方一直报红。
最后发现原来是mapper里面忘记继承BaseMapper
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