*****为什么我的servlet找不到javax.servlet.*和javax.servlet.http.*
程序如下:
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class HelloWorld extends HttpServlet {
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws IOException,ServletException
{
response.setContentType("text/html");
PrintWriter out=response.getWriter();
out.println("<html>");
out.println("<body bgcolor=\"white\">");
out.println("<head>");
String title="hello world";
out.println("<title>"+title+"</title>");
out.println("</head>");
out.println("<body>");
out.println("<h1>"+title+"</h1>");
out.println("</body></html>");
}
}
存为HelloWorld.java
然后javac HelloWorld.java
报错:package javax.servlet does not exist
package javax.servlet.http does not exist
这是为什么?