错误：javax.servlet不存在

我已经检查了几乎所有可能出现错误的帖子。我编辑了网上给出的几乎所有环境变量。以下是我的环境变量：

蚂蚁之家=C:\Ant9；C:\Tomcat7\lib\servlet-api.jar

类路径=C:\Program Files\Java\jdk1.6.0\u 24\bin；C:\ProgramFiles\Java\jre6\bin；C:\Tomcat7\lib\servlet api.jar

JAVA\u HOME=C:\Program Files\JAVA\jdk1.6.0\u 24

路径=C:\Program Files\Java\jdk1.6.0\u 24\bin

TOMCAT_HOME=C:\Tomcat7

C:\Tomcat7\webapps\DBConnection\WEB_INF\classes\DBConnection>javac -cp .,C:\Tomc
at7\lib\servlet-api.jar DBConnnection.java
DBConnnection.java:4: package javax.servlet does not exist
import javax.servlet.*;
^
DBConnnection.java:5: package javax.servlet.http does not exist
import javax.servlet.http.*;
^
DBConnnection.java:11: cannot find symbol
symbol: class HttpServlet
public class DBConnnection extends HttpServlet
                                   ^
DBConnnection.java:14: cannot find symbol
symbol  : class HttpServletRequest
location: class DBConnection.DBConnnection
  public void doGet(HttpServletRequest request, HttpServletResponse response) th
rows ServletException, IOException
                    ^
DBConnnection.java:14: cannot find symbol
symbol  : class HttpServletResponse
location: class DBConnection.DBConnnection
  public void doGet(HttpServletRequest request, HttpServletResponse response) th
rows ServletException, IOException
                                                ^
DBConnnection.java:14: cannot find symbol
symbol  : class ServletException
location: class DBConnection.DBConnnection
  public void doGet(HttpServletRequest request, HttpServletResponse response) th
rows ServletException, IOException

     ^
DBConnnection.java:53: cannot find symbol
symbol  : class EmployeeInformation
location: class DBConnection.DBConnnection
                    EmployeeInformation empInfo = new EmployeeInformation();
                    ^
DBConnnection.java:53: cannot find symbol
symbol  : class EmployeeInformation
location: class DBConnection.DBConnnection
                    EmployeeInformation empInfo = new EmployeeInformation();
                                                      ^
DBConnnection.java:13: method does not override or implement a method from a sup
ertype
  @Override
  ^
9 errors

---

我真的不知道该怎么做！在这一点上被卡住了

您应该使用

在Windows中分隔类路径项

javac-cp。；C:\Tomcat7\lib\servlet-api.jar dbconnection.java

但是，您使用了逗号
，
。将逗号改为分号

注意：*nix系列环境使用冒号
：
分隔类路径条目
您应该使用
在Windows中分隔类路径项

javac-cp。；C:\Tomcat7\lib\servlet-api.jar dbconnection.java

但是，您使用了逗号
，
。将逗号改为分号

注意：*nix系列环境使用冒号
：
分隔类路径条目
运行echo%classpath%并检查是否存在类路径外观正常。运行echo%classpath%并检查是否存在类路径外观正常。工作正常。忽略了这一点，我觉得很傻！很高兴，成功了：）。请接受答案以结束问题。工作完美。忽略了这一点，我觉得很傻！很高兴，成功了：）。请接受答案以结束问题。