无法解析符号 'RestCotrller'

回答: 无法解析符号 'RestCotrller' 错误通常是由于拼写错误或者缺少相应的依赖库引起的。请确保你正确拼写了'RestController'，并且在你的项目中引入了相应的Spring框架依赖。如果你使用的是IntelliJ IDEA进行开发，你可以在项目的pom.xml文件中添加以下依赖来引入Spring框架:

<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-web</artifactId>
    <version>版本号</version>
</dependency>

请将"版本号"替换为你希望使用的Spring版本号。然后重新构建你的项目，这个错误应该就会被解决了。\[3\]
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