报错：The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path
报错：
- The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path
- Start tag of element <html>
翻译：
-超类"javax.servlet.http。在Java构建中没有找到HttpServlet路径
-元素的起始标签
原因：没有导入tomcat相关类导致的错误。
解决：添加tomcat。
右击web工程 - 属性 - Java构建路径 - 库 - Add Library - Server RunTime - Tomcat - 完成
参考：java错误：The superclass "javax.servlet.http.HttpServlet" was not found on the Java Bu
