使用 @Override 出现错误：The method getAll() of type CategoryServiceImpl must override a superclass method
要是因为你的Compiler是jdk5,(5不支持@Override等形式的批注）只要把它改为更高版本的就可以了。 方法：将window->preferences->java-compiler中的Compiler compliance level修改为1.7。 1、将window->preferences->java-compiler中的Compiler compliance level修改为1.
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