IDEA使用maven无法创建servlet的解决方法

导入相应的依赖，刷新一下maven就可以了

	<dependency>
      <groupId>javax.servletgroupId>
      <artifactId>javax.servlet-apiartifactId>
      <version>4.0.1version>
      <scope>providedscope>
    dependency>

    <dependency>
      <groupId>javax.servletgroupId>
      <artifactId>javax.servlet-apiartifactId>
      <version>4.0.1version>
      <scope>providedscope>
    dependency>

    <dependency>
      <groupId>javax.servlet.jspgroupId>
      <artifactId>jsp-apiartifactId>
      <version>2.1version>
      <scope>providedscope>
    dependency>