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5.3、junit异常在使用junit时，要同时导入hamcrest驱动包，否则报异常。5.4、图解IDEA中配置MySQLIDEA左侧有一个database，点开可以看到：点击"+"：如图选择MySQL。配置MySQL：设置驱动：打开控制台：可以开始编写SQL...

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