使用spring框架时报错：

       class path resource [mybatis.xml] cannot be opened because it does not exist

信息: Loading XML bean definitions from class path resource [mybatis.xml]
Exception in thread "main" org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from class path resource [mybatis.xml]; nested exception is java.io.FileNotFoundException: class path resource [mybatis.xml] cannot be opened because it does not exist
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:344)
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:304)
	at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:181)
	at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:217)
	at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:188)
	at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:252)
	at org.springframework.context.support.AbstractXmlApplicationContext.loadBeanDefinitions(AbstractXmlApplicationContext.java:127)
	at org.springframework.context.support.AbstractXmlApplicationContext.loadBeanDefinitions(AbstractXmlApplicationContext.java:93)
	at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:129)
	at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:608)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:509)
	at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
	at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)
	at com.cyan.spring.SpringUtil.<init>(SpringUtil.java:16)
	at com.cyan.spring.SpringUtil.getInstance(SpringUtil.java:21)
	at com.cyan.spring.Client.main(Client.java:14)
Caused by: java.io.FileNotFoundException: class path resource [mybatis.xml] cannot be opened because it does not exist
	at org.springframework.core.io.ClassPathResource.getInputStream(ClassPathResource.java:172)
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:330)
	... 15 more

Process finished with exit code 1

大概意思是：找不到资源文件下的spring.xml，

解决办法：

1.检查spring.xml文件是否放在资源文件夹下，代码引用的文件路径是否出错

2.检查放资源的文件是否是一个资源文件夹（我就是这个错误）

如果不是，将普通文件夹转为资源文件夹，做法如下：

1>.建一个新的普通文件夹

2>.将鼠标放在该文件上，鼠标单击右键选择：Mark directory as             resource root

做完这些操作，resource文件夹颜色改变就好了