javaWeb项目在用maven启动时必须要用到的坐标

 <!-- jsp -->
  <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>javax.servlet-api</artifactId>
      <version>3.0.1</version>
      <scope>provided</scope>
  </dependency>
  <dependency>
      <groupId>javax.servlet.jsp</groupId>
     <artifactId>jsp-api</artifactId>
     <version>2.1</version>
     <scope>provided</scope>
 </dependency>
 <dependency>
     <groupId>javax.servlet</groupId>
     <artifactId>jstl</artifactId>
     <version>1.2</version>
 </dependency>
 <!-- jsp -->