【问题】

Description:

Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured.

Reason: Failed to determine a suitable driver class

Action:

Consider the following:
 If you want an embedded database (H2, HSQL or Derby), please put it on the classpath.
 If you have database settings to be loaded from a particular profile you may need to activate it (no profiles are currently active).

以上问题困扰了我很久，面相度娘发现，说明都是千篇一律，实际大部分情况根本不是度娘上说的问题，这个问题根本出在idea机制（资源文件夹被idea设置成了普通目录，导致编译的时候找不到正常的配置文件）！下面直接放出解决办法！

【解决办法】

设置完毕后，再次愉快的运行吧！